lab_4 complete

SmallSoftwareProject/SmallSoftwareBusinessLogic/Implementations/PostBusinessLogicContract.cs

@@ -20,12 +20,10 @@ postStorageContract, ILogger logger) : IPostBusinessLogicContract
     private readonly ILogger _logger = logger;
     private readonly IPostStorageContract _postStorageContract =
     postStorageContract;
-    public List<PostDataModel> GetAllPosts(bool onlyActive = true)
+    public List<PostDataModel> GetAllPosts()
     {
-        _logger.LogInformation("GetAllPosts params: {onlyActive}",
-        onlyActive);
-        return _postStorageContract.GetList() ?? throw new
-        NullListException();
+        _logger.LogInformation("GetAllPosts");
+        return _postStorageContract.GetList() ?? throw new NullListException();
     }
     public List<PostDataModel> GetAllDataOfPost(string postId)
     {

SmallSoftwareProject/SmallSoftwareBusinessLogic/Implementations/SalaryBusinessLogicContract.cs

@@ -57,22 +57,17 @@ internal class SalaryBusinessLogicContract(ISalaryStorageContract salaryStorageC
     {
         _logger.LogInformation("CalculateSalaryByMounth: {date}", date);
         var startDate = new DateTime(date.Year, date.Month, 1);
-        var finishDate = new DateTime(date.Year, date.Month,
-        DateTime.DaysInMonth(date.Year, date.Month));
-        var workers = _workerStorageContract.GetList() ?? throw new
-        NullListException();
+        var finishDate = new DateTime(date.Year, date.Month, DateTime.DaysInMonth(date.Year, date.Month));
+        var workers = _workerStorageContract.GetList() ?? throw new NullListException();
         foreach (var worker in workers)
         {
-            var requests = _requestStorageContract.GetList(startDate,
-            finishDate, workerId: worker.Id)?.Sum(x => x.Sum) ?? 
+            var requests = _requestStorageContract.GetList(startDate, finishDate, workerId: worker.Id)?.Sum(x => x.Sum) ??
                 throw new NullListException();
-            var post = _postStorageContract.GetElementById(worker.PostId)
-            ??
+            var post = _postStorageContract.GetElementById(worker.PostId) ??
                 throw new NullListException();
             var salary = post.Salary + requests * 0.1;
-            _logger.LogDebug("The employee {workerId} was paid a salary of { salary} ", worker.Id, salary);
-            _salaryStorageContract.AddElement(new
-            SalaryDataModel(worker.Id, finishDate, salary));
+            _logger.LogDebug("The employee {workerId} was paid a salary of {salary}", worker.Id, salary);
+            _salaryStorageContract.AddElement(new SalaryDataModel(worker.Id, finishDate, salary));
         }
     }
 }

SmallSoftwareProject/SmallSoftwareBusinessLogic/SmallSoftwareBusinessLogic.csproj

@@ -12,6 +12,7 @@
 
     <ItemGroup>
 	    <InternalsVisibleTo Include="SmallSoftwareTests" />
+		<InternalsVisibleTo Include="SmallSoftwareWebApi" />
 	    <InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
     </ItemGroup>
 

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/IManufacturerAdapter.cs

@@ -0,0 +1,18 @@
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.AdapterContracts;
+
+public interface IManufacturerAdapter
+{
+    ManufacturerOperationResponse GetList();
+    ManufacturerOperationResponse GetElement(string data);
+    ManufacturerOperationResponse RegisterManufacturer(ManufacturerBindingModel manufacturerModel);
+    ManufacturerOperationResponse ChangeManufacturerInfo(ManufacturerBindingModel manufacturerModel);
+    ManufacturerOperationResponse RemoveManufacturer(string id);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/IPostAdapter.cs

@@ -0,0 +1,15 @@
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+
+namespace SmallSoftwareContracts.AdapterContracts;
+
+public interface IPostAdapter
+{
+    PostOperationResponse GetList();
+    PostOperationResponse GetHistory(string id); 
+    PostOperationResponse GetElement(string data);
+    PostOperationResponse RegisterPost(PostBindingModel postModel);
+    PostOperationResponse ChangePostInfo(PostBindingModel postModel);
+    PostOperationResponse RemovePost(string id);
+    PostOperationResponse RestorePost(string id);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/IRequestAdapter.cs

@@ -0,0 +1,22 @@
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.AdapterContracts;
+
+public interface IRequestAdapter
+{
+
+    RequestOperationResponse GetList(DateTime fromDate, DateTime toDate);
+    RequestOperationResponse GetWorkerList(string id, DateTime fromDate, DateTime
+    toDate);
+    RequestOperationResponse GetSoftwareList(string id, DateTime fromDate, DateTime
+    toDate);
+    RequestOperationResponse GetElement(string id);
+    RequestOperationResponse MakeRequest(RequestBindingModel saleModel);
+    RequestOperationResponse CancelRequest(string id);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/ISalaryAdapter.cs

@@ -0,0 +1,15 @@
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.AdapterContracts;
+
+public interface ISalaryAdapter
+{
+    SalaryOperationResponse GetListByPeriod(DateTime fromDate, DateTime toDate);
+    SalaryOperationResponse GetListByPeriodByWorker(DateTime fromDate, DateTime toDate, string workerId);
+    SalaryOperationResponse CalculateSalary(DateTime date);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/ISoftwareAdapter.cs

@@ -0,0 +1,18 @@
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+
+namespace SmallSoftwareContracts.AdapterContracts;
+
+public interface ISoftwareAdapter
+{
+    SoftwareOperationResponse GetList(bool includeDeleted); 
+    SoftwareOperationResponse GetManufacturerList(string id, bool
+    includeDeleted);
+    SoftwareOperationResponse GetHistory(string id);
+    SoftwareOperationResponse GetElement(string data);
+    SoftwareOperationResponse RegisterSoftware(SoftwareBindingModel productModel);
+    SoftwareOperationResponse ChangeSoftwareInfo(SoftwareBindingModel
+    productModel);
+    SoftwareOperationResponse RemoveSoftware(string id);
+
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/IWorkerAdapter.cs

@@ -0,0 +1,23 @@
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.AdapterContracts;
+
+public interface IWorkerAdapter
+{
+    WorkerOperationResponse GetList(bool includeDeleted); 
+    WorkerOperationResponse GetPostList(string id, bool includeDeleted);
+    WorkerOperationResponse GetListByBirthDate(DateTime fromDate, DateTime toDate, bool includeDeleted);
+    WorkerOperationResponse GetListByEmploymentDate(DateTime fromDate, DateTime
+    toDate, bool includeDeleted);
+    WorkerOperationResponse GetElement(string data);
+    WorkerOperationResponse RegisterWorker(WorkerBindingModel workerModel);
+    WorkerOperationResponse ChangeWorkerInfo(WorkerBindingModel workerModel);
+    WorkerOperationResponse RemoveWorker(string id);
+
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/OperationResponses/ManufacturerOperationResponse.cs

@@ -0,0 +1,25 @@
+using SmallSoftwareContracts.Infrastructure;
+using SmallSoftwareContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.AdapterContracts.OperationResponses;
+
+public class ManufacturerOperationResponse : OperationResponse
+{
+    public static ManufacturerOperationResponse OK(List<ManufacturerViewModel>
+    data) => OK<ManufacturerOperationResponse, List<ManufacturerViewModel>>(data);
+    public static ManufacturerOperationResponse OK(ManufacturerViewModel data)
+    => OK<ManufacturerOperationResponse, ManufacturerViewModel>(data);
+    public static ManufacturerOperationResponse NoContent() =>
+    NoContent<ManufacturerOperationResponse>();
+    public static ManufacturerOperationResponse NotFound(string message) =>
+    NotFound<ManufacturerOperationResponse>(message);
+    public static ManufacturerOperationResponse BadRequest(string message) =>
+    BadRequest<ManufacturerOperationResponse>(message);
+    public static ManufacturerOperationResponse InternalServerError(string
+    message) => InternalServerError<ManufacturerOperationResponse>(message);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/OperationResponses/PostOperationResponse.cs

@@ -0,0 +1,20 @@
+using SmallSoftwareContracts.Infrastructure;
+using SmallSoftwareContracts.ViewModels;
+
+namespace SmallSoftwareContracts.AdapterContracts.OperationResponses;
+
+public class PostOperationResponse : OperationResponse
+{
+    public static PostOperationResponse OK(List<PostViewModel> data) =>
+    OK<PostOperationResponse, List<PostViewModel>>(data);
+    public static PostOperationResponse OK(PostViewModel data) =>
+    OK<PostOperationResponse, PostViewModel>(data);
+    public static PostOperationResponse NoContent() =>
+    NoContent<PostOperationResponse>();
+    public static PostOperationResponse NotFound(string message) =>
+    NotFound<PostOperationResponse>(message);
+    public static PostOperationResponse BadRequest(string message) =>
+    BadRequest<PostOperationResponse>(message);
+    public static PostOperationResponse InternalServerError(string message) =>
+    InternalServerError<PostOperationResponse>(message);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/OperationResponses/RequestOperationResponse.cs

@@ -0,0 +1,19 @@
+using SmallSoftwareContracts.Infrastructure;
+using SmallSoftwareContracts.ViewModels;
+
+namespace SmallSoftwareContracts.AdapterContracts.OperationResponses;
+public class RequestOperationResponse : OperationResponse
+{
+    public static RequestOperationResponse OK(List<RequestViewModel> data) =>
+    OK<RequestOperationResponse, List<RequestViewModel>>(data); 
+    public static RequestOperationResponse OK(RequestViewModel data) =>
+    OK<RequestOperationResponse, RequestViewModel>(data);
+    public static RequestOperationResponse NoContent() =>
+    NoContent<RequestOperationResponse>();
+    public static RequestOperationResponse NotFound(string message) =>
+    NotFound<RequestOperationResponse>(message);
+    public static RequestOperationResponse BadRequest(string message) =>
+    BadRequest<RequestOperationResponse>(message);
+    public static RequestOperationResponse InternalServerError(string message) =>
+    InternalServerError<RequestOperationResponse>(message);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/OperationResponses/SalaryOperationResponse.cs

@@ -0,0 +1,18 @@
+using SmallSoftwareContracts.Infrastructure;
+using SmallSoftwareContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.AdapterContracts.OperationResponses;
+
+public class SalaryOperationResponse : OperationResponse
+{
+    public static SalaryOperationResponse OK(List<SalaryViewModel> data) => OK<SalaryOperationResponse, List<SalaryViewModel>>(data);
+    public static SalaryOperationResponse NoContent() => NoContent<SalaryOperationResponse>();
+    public static SalaryOperationResponse NotFound(string message) => NotFound<SalaryOperationResponse>(message);
+    public static SalaryOperationResponse BadRequest(string message) => BadRequest<SalaryOperationResponse>(message);
+    public static SalaryOperationResponse InternalServerError(string message) => InternalServerError<SalaryOperationResponse>(message);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/OperationResponses/SoftwareOperationResponse.cs

@@ -0,0 +1,22 @@
+using SmallSoftwareContracts.Infrastructure;
+using SmallSoftwareContracts.ViewModels;
+
+namespace SmallSoftwareContracts.AdapterContracts.OperationResponses;
+
+public class SoftwareOperationResponse : OperationResponse
+{
+    public static SoftwareOperationResponse OK(List<SoftwareViewModel> data) =>
+    OK<SoftwareOperationResponse, List<SoftwareViewModel>>(data);
+    public static SoftwareOperationResponse OK(List<SoftwareHistoryViewModel>
+    data) => OK<SoftwareOperationResponse, List<SoftwareHistoryViewModel>>(data);
+    public static SoftwareOperationResponse OK(SoftwareViewModel data) =>
+    OK<SoftwareOperationResponse, SoftwareViewModel>(data);
+    public static SoftwareOperationResponse NoContent() =>
+    NoContent<SoftwareOperationResponse>();
+    public static SoftwareOperationResponse NotFound(string message) =>
+    NotFound<SoftwareOperationResponse>(message);
+    public static SoftwareOperationResponse BadRequest(string message) =>
+    BadRequest<SoftwareOperationResponse>(message);
+    public static SoftwareOperationResponse InternalServerError(string message)
+    => InternalServerError<SoftwareOperationResponse>(message);
+}

SmallSoftwareProject/SmallSoftwareContracts/AdapterContracts/OperationResponses/WorkerOperationResponse.cs

@@ -0,0 +1,24 @@
+using SmallSoftwareContracts.Infrastructure;
+using SmallSoftwareContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.AdapterContracts.OperationResponses;
+public class WorkerOperationResponse : OperationResponse
+{
+    public static WorkerOperationResponse OK(List<WorkerViewModel> data) =>
+    OK<WorkerOperationResponse, List<WorkerViewModel>>(data);
+    public static WorkerOperationResponse OK(WorkerViewModel data) =>
+    OK<WorkerOperationResponse, WorkerViewModel>(data);
+    public static WorkerOperationResponse NoContent() =>
+    NoContent<WorkerOperationResponse>();
+    public static WorkerOperationResponse NotFound(string message) =>
+    NotFound<WorkerOperationResponse>(message);
+    public static WorkerOperationResponse BadRequest(string message) =>
+    BadRequest<WorkerOperationResponse>(message);
+    public static WorkerOperationResponse InternalServerError(string message)
+    => InternalServerError<WorkerOperationResponse>(message);
+}

SmallSoftwareProject/SmallSoftwareContracts/BindingModels/InstallationRequestBindingModel.cs

@@ -0,0 +1,12 @@
+namespace SmallSoftwareContracts.BindingModels;
+
+public class InstallationRequestBindingModel
+
+{
+
+    public string? SoftwareId { get; set; }
+    public string? RequestId { get; set; }
+    public int Count { get; set; } 
+    public double Price { get; set; }
+
+}

SmallSoftwareProject/SmallSoftwareContracts/BindingModels/ManufacturerBindingModel.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.BindingModels;
+
+public class ManufacturerBindingModel
+{
+    public string? Id { get; set; }
+    public string? ManufacturerName { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/BindingModels/PostBindingModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.BindingModels;
+
+public class PostBindingModel
+{
+    public string? Id { get; set; } 
+    public string? PostId => Id;
+    public string? PostName { get; set; }
+    public string? PostType { get; set; }
+    public double Salary { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/BindingModels/RequestBindingModel.cs

@@ -0,0 +1,10 @@
+using SmallSoftwareContracts.DataModels;
+
+namespace SmallSoftwareContracts.BindingModels;
+
+public class RequestBindingModel
+{
+    public string? Id { get; set; }
+    public string? WorkerId { get; set; } 
+    public List<InstallationRequestBindingModel>? Softwares { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/BindingModels/SoftwareBindingModel.cs

@@ -0,0 +1,12 @@
+using SmallSoftwareContracts.Enums;
+
+namespace SmallSoftwareContracts.BindingModels;
+
+public class SoftwareBindingModel
+{
+    public string? Id { get; set; }
+    public string? SoftwareName { get;  set; }
+    public string? SoftwareType { get; set; }
+    public string? ManufacturerId { get; set; }
+    public double Price { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/BindingModels/WorkerBindingModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.BindingModels;
+public class WorkerBindingModel
+{
+    public string? Id { get; set; }
+    public string? FIO { get; set; }
+    public string? PostId { get; set; }
+    public DateTime BirthDate { get; set; }
+    public DateTime EmploymentDate { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/BusinessLogicsContracts/IPostBusinessLogicContract.cs

@@ -9,7 +9,7 @@ namespace SmallSoftwareContracts.BusinessLogicsContracts;
 
 public interface IPostBusinessLogicContract
 {
-    List<PostDataModel> GetAllPosts(bool onlyActive);
+    List<PostDataModel> GetAllPosts();
     List<PostDataModel> GetAllDataOfPost(string postId);
     PostDataModel GetPostByData(string data);
     void InsertPost(PostDataModel postDataModel);

SmallSoftwareProject/SmallSoftwareContracts/BusinessLogicsContracts/IRequestBusinessLogicContract.cs

@@ -12,10 +12,7 @@ public interface IRequestBusinessLogicContract
 
     List<RequestDataModel> GetAllRequestsByPeriod(DateTime fromDate, DateTime toDate);
     List<RequestDataModel> GetAllRequestsByWorkerByPeriod(string workerId, DateTime fromDate, DateTime toDate);
-
     List<RequestDataModel> GetAllRequestsBySoftwareByPeriod(string softwareId, DateTime fromDate, DateTime toDate);
-
-
     RequestDataModel GetRequestByData(string data);
     void InsertRequest(RequestDataModel requestDataModel);
     void CancelRequest(string id);

SmallSoftwareProject/SmallSoftwareContracts/DataModels/InstallationRequestDataModel.cs

@@ -6,10 +6,20 @@ namespace SmallSoftwareContracts.DataModels;
 
 public class InstallationRequestDataModel(string softwareId, string requestId, int count, double price) : IValidation
 {
+    private readonly SoftwareDataModel? _software;
+
     public string SoftwareId { get; private set; } = softwareId;
     public string RequestId { get; private set; } = requestId;
     public int Count { get; private set; } = count; 
     public double Price { get; private set; } = price;
+
+    public string SoftwareName => _software?.SoftwareName ?? string.Empty;
+    public InstallationRequestDataModel(string saleId, string softwareId, int count, double price, SoftwareDataModel software) : this(saleId, softwareId, count, price)
+    {
+        _software = software;
+    }
+
+
     public void Validate()
     {
         if (SoftwareId.IsEmpty())

SmallSoftwareProject/SmallSoftwareContracts/DataModels/ManufacturerDataModel.cs

@@ -13,6 +13,9 @@ prevManufacturerName, string? prevPrevManufacturerName) : IValidation
     prevManufacturerName;
     public string? PrevPrevManufacturerName { get; private set; } =
     prevPrevManufacturerName;
+
+    public ManufacturerDataModel(string id, string manufacturerName) : this(id, manufacturerName, null, null){ }
+
     public void Validate()
     {
         if (Id.IsEmpty())

SmallSoftwareProject/SmallSoftwareContracts/DataModels/RequestDataModel.cs

@@ -2,19 +2,42 @@
 using SmallSoftwareContracts.Extensions;
 using SmallSoftwareContracts.Infrastructure;
 using System.Text.RegularExpressions;
+using System.Xml;
 
 
 namespace SmallSoftwareContracts.DataModels;
 
 
-public class RequestDataModel(string id, string workerId, string email, double sum,  bool isCancel, List<InstallationRequestDataModel> installationRequests) : IValidation
+public class RequestDataModel : IValidation
 {
-    public string Id { get; private set; } = id;
-    public string WorkerId { get; private set; } = workerId;
-    public string Email { get; private set; } = email;
-    public double Sum { get; private set; } = sum;
-    public bool IsCancel { get; private set; } = isCancel;
-    public List<InstallationRequestDataModel> Softwares { get; private set; } = installationRequests;
+    private readonly WorkerDataModel? _worker;
+    public string Id { get; private set; }
+    public string WorkerId { get; private set; }
+    public DateTime RequestDate { get; private set; } = DateTime.UtcNow;
+    public string Email { get; private set; }
+    public double Sum { get; private set; }
+    public bool IsCancel { get; private set; }
+    public List<InstallationRequestDataModel>? Softwares { get; private set; }
+    public string WorkerFIO => _worker?.FIO ?? string.Empty;
+    public RequestDataModel(string id, string workerId, string email, bool isCancel, List<InstallationRequestDataModel> installationRequests, DateTime requestDate)
+    {
+        Id = id;
+        WorkerId = workerId;
+        Email = email;
+        IsCancel = isCancel;
+        Softwares = installationRequests;
+        Sum = Softwares?.Sum(x => x.Price * x.Count) ?? 0;
+    }
+
+    public RequestDataModel(string id, string workerId, string email, double sum, bool isCancel,
+    List<InstallationRequestDataModel> installationRequests, WorkerDataModel worker, DateTime requestDate)
+    : this(id, workerId, email, isCancel, installationRequests, requestDate)
+    {
+        Sum = sum;
+        _worker = worker;
+    }
+
+
     public void Validate()
     {
         if (Id.IsEmpty())
@@ -25,13 +48,13 @@ public class RequestDataModel(string id, string workerId, string email, double s
             throw new ValidationException("Field WorkerId is empty");
         if (!WorkerId.IsGuid())
             throw new ValidationException("The value in the field WorkerId is not a unique identifier");
-        if (Email.IsEmpty())
-            throw new ValidationException("Worker Email is empty");
-        if (!Regex.IsMatch(Email, @"^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$"))
-            throw new ValidationException("Field Email is not a email");
         if (Sum <= 0)
             throw new ValidationException("Field Sum is less than or equal to 0");
         if ((Softwares?.Count ?? 0) == 0)
-            throw new ValidationException("The sale must include Softwares");
+            throw new ValidationException("The request must include products");
+        if (!Regex.IsMatch(Email, @"^[^@\s]+@[^@\s]+\.[^@\s]+$"))
+        {
+            throw new ValidationException("Invalid email format");
+        }
     }
 }

SmallSoftwareProject/SmallSoftwareContracts/DataModels/SalaryDataModel.cs

@@ -1,20 +1,23 @@
 using SmallSoftwareContracts.Exceptions;
 using SmallSoftwareContracts.Extensions;
 using SmallSoftwareContracts.Infrastructure;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace SmallSoftwareContracts.DataModels;
 
 public class SalaryDataModel(string workerId, DateTime salaryDate, double
 workerSalary) : IValidation
 {
+    private readonly WorkerDataModel? _worker;
     public string WorkerId { get; private set; } = workerId;
     public DateTime SalaryDate { get; private set; } = salaryDate;
     public double Salary { get; private set; } = workerSalary;
+    public string WorkerFIO => _worker?.FIO ?? string.Empty;
+
+    public SalaryDataModel(string workerId, DateTime salaryDate, double workerSalary, WorkerDataModel worker) : this(workerId, salaryDate, workerSalary)
+    {
+        _worker = worker;
+    }
+
     public void Validate()
     {
         if (WorkerId.IsEmpty())

SmallSoftwareProject/SmallSoftwareContracts/DataModels/SoftwareDataModel.cs

@@ -13,12 +13,28 @@ namespace SmallSoftwareContracts.DataModels;
 
 public class SoftwareDataModel(string id, string softwareName, SoftwareType softwareType, string manufacturerId, double price, bool isDeleted) : IValidation
 {
+    private readonly ManufacturerDataModel? _manufacturer;
     public string Id { get; private set; } = id;
     public string SoftwareName { get; private set; } = softwareName;
     public SoftwareType SoftwareType { get; private set; } = softwareType;
     public string ManufacturerId { get; private set; } = manufacturerId;
     public double Price { get; private set; } = price;
     public bool IsDeleted { get; private set; } = isDeleted;
+    public string ManufacturerName => _manufacturer?.ManufacturerName ?? string.Empty;
+
+    public SoftwareDataModel(string id, string softwareName, SoftwareType
+    softwareType, string manufacturerId, double price, bool isDeleted,
+    ManufacturerDataModel manufacturer) : this(id, softwareName, softwareType,
+    manufacturerId, price, isDeleted)
+    {
+        _manufacturer = manufacturer;
+    }
+    public SoftwareDataModel(string id, string softwareName, SoftwareType
+    softwareType, string manufacturerId, double price) : this(id, softwareName,
+    softwareType, manufacturerId, price, false)
+    { }
+
+
     public void Validate()
     {
         if (Id.IsEmpty())

SmallSoftwareProject/SmallSoftwareContracts/DataModels/SoftwareHistoryDataModel.cs

@@ -11,9 +11,19 @@ namespace SmallSoftwareContracts.DataModels;
 
 public class SoftwareHistoryDataModel(string softwareId, double oldPrice) : IValidation
 {
+    private readonly SoftwareDataModel? _software;
     public string SoftwareId { get; private set; } = softwareId;
     public double OldPrice { get; private set; } = oldPrice;
     public DateTime ChangeDate { get; private set; } = DateTime.UtcNow;
+
+    public string SoftwareName => _software?.SoftwareName ?? string.Empty;
+    public SoftwareHistoryDataModel(string softwareId, double oldPrice, DateTime
+    changeDate, SoftwareDataModel software) : this(softwareId, oldPrice) 
+    {
+    ChangeDate = changeDate;
+    _software = software;
+    }
+
     public void Validate()
     {
         if (SoftwareId.IsEmpty())

SmallSoftwareProject/SmallSoftwareContracts/DataModels/WorkerDataModel.cs

@@ -7,12 +7,26 @@ namespace SmallSoftwareContracts.DataModels;
 public class WorkerDataModel(string id, string fio, string postId, DateTime
 birthDate, DateTime employmentDate, bool isDeleted) : IValidation
 {
+    private readonly PostDataModel? _post;
     public string Id { get; private set; } = id;
     public string FIO { get; private set; } = fio;
     public string PostId { get; private set; } = postId;
     public DateTime BirthDate { get; private set; } = birthDate;
     public DateTime EmploymentDate { get; private set; } = employmentDate;
     public bool IsDeleted { get; private set; } = isDeleted;
+    public string PostName => _post?.PostName ?? string.Empty;
+
+    public WorkerDataModel(string id, string fio, string postId, 
+        DateTime birthDate, DateTime employmentDate, bool isDeleted, PostDataModel post) : 
+        this(id, fio, postId, birthDate, employmentDate, isDeleted)
+    {
+    _post = post;
+    }
+    public WorkerDataModel(string id, string fio, string postId, 
+        DateTime birthDate, DateTime employmentDate) : this(id, fio, postId, birthDate, employmentDate, false)
+    { }
+
+
     public void Validate()
     {
         if (Id.IsEmpty())

SmallSoftwareProject/SmallSoftwareContracts/Infrastructure/OperationResponse.cs

@@ -0,0 +1,48 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System.Net;
+
+namespace SmallSoftwareContracts.Infrastructure;
+
+public class OperationResponse
+{
+    protected HttpStatusCode StatusCode { get; set; } 
+    protected object? Result { get; set; }
+    public IActionResult GetResponse(HttpRequest request, HttpResponse
+    response)
+    {
+        ArgumentNullException.ThrowIfNull(request);
+        ArgumentNullException.ThrowIfNull(response);
+        response.StatusCode = (int)StatusCode;
+        if (Result is null)
+        {
+            return new StatusCodeResult((int)StatusCode);
+        }
+        return new ObjectResult(Result);
+    }
+    protected static TResult OK<TResult, TData>(TData data) where TResult :
+        OperationResponse, new() => new()
+    {
+        StatusCode = HttpStatusCode.OK,
+        Result = data
+    };
+    protected static TResult NoContent<TResult>() where TResult : 
+        OperationResponse, new() => new() { StatusCode = HttpStatusCode.NoContent };
+    protected static TResult BadRequest<TResult>(string? errorMessage = null)
+        where TResult : OperationResponse, new() => new()
+    {
+        StatusCode = HttpStatusCode.BadRequest,
+        Result = errorMessage
+    };
+    protected static TResult NotFound<TResult>(string? errorMessage = null) 
+        where TResult : OperationResponse, new() => new()
+    {
+        StatusCode = HttpStatusCode.NotFound,
+        Result = errorMessage
+    };
+    protected static TResult InternalServerError<TResult>(string? errorMessage = null) where TResult : OperationResponse, new() => new()
+    {
+        StatusCode = HttpStatusCode.InternalServerError,
+        Result = errorMessage
+    };
+}

SmallSoftwareProject/SmallSoftwareContracts/SmallSoftwareContracts.csproj

@@ -6,4 +6,9 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.3.0" />
+  </ItemGroup>
+
 </Project>

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/InstallationRequestViewModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.ViewModels;
+
+public class InstallationRequestViewModel
+{
+    public required string SoftwareId { get; set; }
+    public required string SoftwareName { get; set; }
+    public int Count { get; set; }
+    public double Price { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/ManufacturerViewModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.ViewModels;
+
+public class ManufacturerViewModel
+{
+    public required string Id { get; set; }
+    public required string ManufacturerName { get; set; }
+    public string? PrevManufacturerName { get; set; }
+    public string? PrevPrevManufacturerName { get; set; }
+
+}

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/PostViewModel.cs

@@ -0,0 +1,10 @@
+
+namespace SmallSoftwareContracts.ViewModels;
+
+public class PostViewModel
+{
+    public required string Id { get; set; }
+    public required string PostName { get; set; }
+    public required string PostType { get; set; }
+    public double Salary { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/RequestViewModel.cs

@@ -0,0 +1,14 @@
+
+namespace SmallSoftwareContracts.ViewModels;
+
+public class RequestViewModel
+{
+    public required string Id { get; set; }
+    public required string WorkerId { get; set; }
+    public required string WorkerFIO { get; set; }
+    public DateTime RequestDate { get; set; }
+    public double Sum { get; set; }
+    public bool IsCancel { get; set; }
+    public required List<InstallationRequestViewModel> Softwares { get; set; }
+
+}

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/SalaryViewModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.ViewModels;
+
+public class SalaryViewModel
+{
+    public required string WorkerId { get; set; }
+    public required string WorkerFIO { get; set; }
+    public DateTime SalaryDate { get; set; }
+    public double Salary { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/SoftwareHistoryViewModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.ViewModels;
+
+public class SoftwareHistoryViewModel
+{
+    public required string SoftwareName { get; set; }
+    public double OldPrice { get; set; }
+    public DateTime ChangeDate { get; set; }
+}

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/SoftwareViewModel.cs

@@ -0,0 +1,13 @@
+namespace SmallSoftwareContracts.ViewModels;
+
+public class SoftwareViewModel
+{
+    public required string Id { get; set; }
+    public required string SoftwareName { get; set; }
+    public required string ManufacturerId { get; set; }
+    public required string ManufacturerName { get; set; }
+    public required string SoftwareType { get; set; }
+    public double Price { get; set; }
+    public bool IsDeleted { get; set; }
+
+}

SmallSoftwareProject/SmallSoftwareContracts/ViewModels/WorkerViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareContracts.ViewModels;
+
+public class WorkerViewModel
+{
+    public required string Id { get; set; }
+    public required string FIO { get; set; }
+    public required string PostId { get; set; }
+    public required string PostName { get; set; }
+    public bool IsDeleted { get; set; }
+    public DateTime BirthDate { get; set; }
+    public DateTime EmploymentDate { get; set; }
+}

SmallSoftwareProject/SmallSoftwareDatabase/Implementations/PostStorageContract.cs

@@ -24,6 +24,7 @@ internal class PostStorageContract : IPostStorageContract
                 .ForMember(x => x.PostId, x => x.MapFrom(src => src.Id))
                 .ForMember(x => x.IsActual, x => x.MapFrom(src => true))
                 .ForMember(x => x.ChangeDate, x => x.MapFrom(src => DateTime.UtcNow));
+                
         });
         _mapper = new Mapper(config);
     }

SmallSoftwareProject/SmallSoftwareDatabase/Implementations/RequestStorageContract.cs

@@ -17,12 +17,19 @@ internal class RequestStorageContract : IRequestStorageContract
         _dbContext = dbContext;
         var config = new MapperConfiguration(cfg =>
         {
+            cfg.CreateMap<Manufacturer, ManufacturerDataModel>();
+            cfg.CreateMap<Software, SoftwareDataModel>();
+            cfg.CreateMap<Worker, WorkerDataModel>();
             cfg.CreateMap<InstallationRequest, InstallationRequestDataModel>();
-            cfg.CreateMap<InstallationRequestDataModel, InstallationRequest>();
+            cfg.CreateMap<InstallationRequestDataModel, InstallationRequest>()
+                .ForMember(x => x.SoftwareId, x => x.MapFrom(src => src.SoftwareId));
             cfg.CreateMap<Request, RequestDataModel>();
             cfg.CreateMap<RequestDataModel, Request>()
                 .ForMember(x => x.IsCancel, x => x.MapFrom(src => false))
-                .ForMember(x => x.InstallationRequests, x => x.MapFrom(src => src.Softwares));
+                .ForMember(x => x.InstallationRequests, x => x.MapFrom(src => src.Softwares))
+                .ForMember(x => x.Worker, x => x.Ignore())
+                .ForMember(dest => dest.RequestDate, opt => opt.MapFrom(src => src.RequestDate))
+                .ForMember(dest => dest.RequestDate, opt => opt.MapFrom(src => src.RequestDate));
         });
         _mapper = new Mapper(config);
     }
@@ -31,7 +38,7 @@ internal class RequestStorageContract : IRequestStorageContract
     {
         try
         {
-            var query = _dbContext.Requests.Include(x => x.InstallationRequests).AsQueryable();
+            var query = _dbContext.Requests.Include(x => x.Worker).Include(x => x.InstallationRequests).AsQueryable();
             if (workerId is not null)
             {
                 query = query.Where(x => x.WorkerId == workerId);
@@ -40,7 +47,6 @@ internal class RequestStorageContract : IRequestStorageContract
             {
                 query = query.Where(x => x.InstallationRequests!.Any(y => y.SoftwareId == softwareId));
             }
-
             return [.. query.Select(x => _mapper.Map<RequestDataModel>(x))];
         }
         catch (Exception ex)
@@ -103,5 +109,10 @@ internal class RequestStorageContract : IRequestStorageContract
         }
     }
 
-    private Request? GetRequestById(string id) => _dbContext.Requests.FirstOrDefault(x => x.Id == id);
+    private Request? GetRequestById(string id)  =>
+        _dbContext.Requests
+            .Include(x => x.Worker)
+            .Include(x => x.InstallationRequests)!
+            .ThenInclude(x => x.Software)
+            .FirstOrDefault(x => x.Id == id);
 }

SmallSoftwareProject/SmallSoftwareDatabase/Implementations/SalaryStorageContract.cs

@@ -1,4 +1,5 @@
 using AutoMapper;
+using Microsoft.EntityFrameworkCore;
 using SmallSoftwareContracts.DataModels;
 using SmallSoftwareContracts.Exceptions;
 using SmallSoftwareContracts.StoragesContracts;
@@ -15,20 +16,18 @@ internal class SalaryStorageContract : ISalaryStorageContract
         _dbContext = dbContext;
         var config = new MapperConfiguration(cfg =>
         {
+            cfg.CreateMap<Worker, WorkerDataModel>();
             cfg.CreateMap<Salary, SalaryDataModel>();
             cfg.CreateMap<SalaryDataModel, Salary>()
-            .ForMember(dest => dest.WorkerSalary, opt =>
-            opt.MapFrom(src => src.Salary));
+                .ForMember(dest => dest.WorkerSalary, opt => opt.MapFrom(src => src.Salary));
         });
         _mapper = new Mapper(config);
     }
-    public List<SalaryDataModel> GetList(DateTime startDate, DateTime endDate,
-    string? workerId = null)
+    public List<SalaryDataModel> GetList(DateTime startDate, DateTime endDate, string? workerId = null)
     {
         try
         {
-            var query = _dbContext.Salaries.Where(x => x.SalaryDate >=
-            startDate && x.SalaryDate <= endDate);
+            var query = _dbContext.Salaries.Include(x => x.Worker).Where(x => x.SalaryDate >= startDate && x.SalaryDate <= endDate);
             if (workerId is not null)
             {
                 query = query.Where(x => x.WorkerId == workerId);

SmallSoftwareProject/SmallSoftwareDatabase/Implementations/SoftwareStorageContract.cs

@@ -17,6 +17,7 @@ internal class SoftwareStorageContract : ISoftwareStorageContract
         _dbContext = dbContext;
         var config = new MapperConfiguration(cfg =>
         {
+            cfg.CreateMap<Manufacturer, ManufacturerDataModel>();
             cfg.CreateMap<Software, SoftwareDataModel>();
             cfg.CreateMap<SoftwareDataModel, Software>()
             .ForMember(x => x.IsDeleted, x => x.MapFrom(src => false)); 
@@ -29,7 +30,7 @@ internal class SoftwareStorageContract : ISoftwareStorageContract
     {
         try
         {
-            var query = _dbContext.Softwares.AsQueryable();
+            var query = _dbContext.Softwares.Include(x => x.Manufacturer).AsQueryable();
             if (onlyActive)
             {
                 query = query.Where(x => !x.IsDeleted);
@@ -52,7 +53,7 @@ internal class SoftwareStorageContract : ISoftwareStorageContract
     {
         try
         {
-            return [.. _dbContext.SoftwareHistories.Where(x => x.SoftwareId == softwareId)
+            return [.. _dbContext.SoftwareHistories.Include(x => x.Software).Where(x => x.SoftwareId == softwareId)
                 .OrderByDescending(x => x.ChangeDate)
                 .Select(x => _mapper.Map<SoftwareHistoryDataModel>(x))];
         }
@@ -79,7 +80,7 @@ internal class SoftwareStorageContract : ISoftwareStorageContract
         try
         {
         return
-        _mapper.Map<SoftwareDataModel>(_dbContext.Softwares.FirstOrDefault(x =>
+        _mapper.Map<SoftwareDataModel>(_dbContext.Softwares.Include(x => x.Manufacturer).FirstOrDefault(x =>
         x.SoftwareName == name && !x.IsDeleted));
         }
         catch (Exception ex)
@@ -181,6 +182,6 @@ internal class SoftwareStorageContract : ISoftwareStorageContract
         }
     }
     private Software? GetSoftwareById(string id) =>
-    _dbContext.Softwares.FirstOrDefault(x => x.Id == id && !x.IsDeleted);
+    _dbContext.Softwares.Include(x => x.Manufacturer).FirstOrDefault(x => x.Id == id && !x.IsDeleted);
 }
 

SmallSoftwareProject/SmallSoftwareDatabase/Implementations/WorkerStorageContract.cs

@@ -20,7 +20,12 @@ internal class WorkerStorageContract : IWorkerStorageContract
         _dbContext = dbContext;
         var config = new MapperConfiguration(cfg =>
         {
-            cfg.AddMaps(typeof(Worker).Assembly);
+            cfg.CreateMap<Post, PostDataModel>() 
+        .ForMember(x => x.Id, x => x.MapFrom(src =>
+        src.PostId));
+            cfg.CreateMap<Worker, WorkerDataModel>();
+            cfg.CreateMap<WorkerDataModel, Worker>()
+            .ForMember(x => x.Post, x => x.Ignore());
         });
         _mapper = new Mapper(config);
     }
@@ -50,7 +55,7 @@ internal class WorkerStorageContract : IWorkerStorageContract
                 query = query.Where(x => x.EmploymentDate >=
                 fromEmploymentDate && x.EmploymentDate <= toEmploymentDate);
             }
-            return [.. query.Select(x => _mapper.Map<WorkerDataModel>(x))];
+            return [.. JoinPost(query).Select(x => _mapper.Map<WorkerDataModel>(x))];
         }
         catch (Exception ex)
         {
@@ -75,8 +80,7 @@ internal class WorkerStorageContract : IWorkerStorageContract
         try
         { 
         return
-            _mapper.Map<WorkerDataModel>(_dbContext.Workers.FirstOrDefault(x => x.FIO ==
-            fio));
+        _mapper.Map<WorkerDataModel>(AddPost(_dbContext.Workers.FirstOrDefault(x => x.FIO == fio && !x.IsDeleted)));
         }
         catch (Exception ex)
         {
@@ -144,5 +148,13 @@ internal class WorkerStorageContract : IWorkerStorageContract
         }
     }
     private Worker? GetWorkerById(string id) =>
-    _dbContext.Workers.FirstOrDefault(x => x.Id == id && !x.IsDeleted);
+    AddPost(_dbContext.Workers.FirstOrDefault(x => x.Id == id && !x.IsDeleted));
+    private IQueryable<Worker> JoinPost(IQueryable<Worker> query)
+    => query.GroupJoin(_dbContext.Posts.Where(x => x.IsActual), x =>
+    x.PostId, y => y.PostId, (x, y) => new { Worker = x, Post = y })
+    .SelectMany(xy => xy.Post.DefaultIfEmpty(), (x, y) =>
+    x.Worker.AddPost(y));
+    private Worker? AddPost(Worker? worker)
+    => worker?.AddPost(_dbContext.Posts.FirstOrDefault(x => x.PostId ==
+    worker.PostId && x.IsActual));
 }

SmallSoftwareProject/SmallSoftwareDatabase/Models/Post.cs

@@ -1,9 +1,4 @@
 using SmallSoftwareContracts.Enums; 
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace SmallSoftwareDatabase.Models;
 

SmallSoftwareProject/SmallSoftwareDatabase/Models/Request.cs

@@ -1,10 +1,4 @@
-using SmallSoftwareContracts.DataModels;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations.Schema;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.ComponentModel.DataAnnotations.Schema; 
 
 namespace SmallSoftwareDatabase.Models;
 
@@ -12,6 +6,7 @@ internal class Request
 {
     public string Id { get; set; }  = Guid.NewGuid().ToString();
     public required string WorkerId { get; set; } 
+    public DateTime RequestDate { get; set; }
     public required string Email { get; set; } 
     public double Sum { get; set; }
     public bool IsCancel { get; set; } 

SmallSoftwareProject/SmallSoftwareDatabase/Models/Salary.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SmallSoftwareDatabase.Models;
+namespace SmallSoftwareDatabase.Models;
 
 internal class Salary
 {

SmallSoftwareProject/SmallSoftwareDatabase/Models/Worker.cs

@@ -1,12 +1,6 @@
 using AutoMapper;
 using SmallSoftwareContracts.DataModels; 
-using System;
-using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema; 
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
 namespace SmallSoftwareDatabase.Models;
 [AutoMap(typeof(WorkerDataModel), ReverseMap = true)]
 internal class Worker
@@ -17,10 +11,16 @@ internal class Worker
     public DateTime BirthDate { get; set; }
     public DateTime EmploymentDate { get; set; }
     public bool IsDeleted { get; set; }
-
+    [NotMapped]
+    public Post? Post { get; set; }
     [ForeignKey("WorkerId")]
     public List<Salary>? Salaries { get; set; }
     [ForeignKey("WorkerId")]
     public List<Request>? Requests { get; set; }
+    public Worker AddPost(Post? post)
+    {
+        Post = post;
+        return this;
+    }
 
 }

SmallSoftwareProject/SmallSoftwareDatabase/SmallSoftwareDatabase.csproj

@@ -17,6 +17,7 @@
   </ItemGroup>
 
 	<ItemGroup> 
+		<InternalsVisibleTo Include="SmallSoftwareWebApi" />
 		<InternalsVisibleTo Include="SmallSoftwareTests" />
 		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
 	</ItemGroup>

SmallSoftwareProject/SmallSoftwareDatabase/SmallSoftwareDbContext.cs

@@ -9,9 +9,17 @@ using System.Threading.Tasks;
 
 namespace SmallSoftwareDatabase;
 
-internal class SmallSoftwareDbContext(IConfigurationDatabase configurationDatabase) : DbContext
+internal class SmallSoftwareDbContext : DbContext
 {
-    private readonly IConfigurationDatabase? _configurationDatabase = configurationDatabase;
+    private readonly IConfigurationDatabase? _configurationDatabase;
+
+    public SmallSoftwareDbContext(IConfigurationDatabase configurationDatabase)
+    {
+        _configurationDatabase = configurationDatabase;
+        AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
+        AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
+    }
+
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
     {
         optionsBuilder.UseNpgsql(_configurationDatabase?.ConnectionString, o => o.SetPostgresVersion(12, 2));

SmallSoftwareProject/SmallSoftwareProject.sln

@@ -11,6 +11,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SmallSoftwareBusinessLogic"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SmallSoftwareDatabase", "SmallSoftwareDatabase\SmallSoftwareDatabase.csproj", "{59771C74-7A34-4354-949A-F3AA071FBCAA}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SmallSoftwareWebApi", "SmallSoftwareWebApi\SmallSoftwareWebApi.csproj", "{AC51FBAD-A0B1-40C3-AD75-E29F6E7FD624}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -33,6 +35,10 @@ Global
 		{59771C74-7A34-4354-949A-F3AA071FBCAA}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{59771C74-7A34-4354-949A-F3AA071FBCAA}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{59771C74-7A34-4354-949A-F3AA071FBCAA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AC51FBAD-A0B1-40C3-AD75-E29F6E7FD624}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AC51FBAD-A0B1-40C3-AD75-E29F6E7FD624}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AC51FBAD-A0B1-40C3-AD75-E29F6E7FD624}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AC51FBAD-A0B1-40C3-AD75-E29F6E7FD624}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

SmallSoftwareProject/SmallSoftwareTests/BusinessLogicsContractsTests/PostBusinessLogicContractTests.cs

@@ -61,8 +61,8 @@ internal class PostBusinessLogicContractTests
         _postStorageContract.Setup(x =>
         x.GetList()).Returns([]);
         //Act
-        var listOnlyActive = _postBusinessLogicContract.GetAllPosts(true);
-        var listAll = _postBusinessLogicContract.GetAllPosts(false);
+        var listOnlyActive = _postBusinessLogicContract.GetAllPosts();
+        var listAll = _postBusinessLogicContract.GetAllPosts();
         //Assert
         Assert.Multiple(() =>
         {
@@ -79,7 +79,7 @@ internal class PostBusinessLogicContractTests
     {
         //Act&Assert
         Assert.That(() =>
-        _postBusinessLogicContract.GetAllPosts(It.IsAny<bool>()),
+        _postBusinessLogicContract.GetAllPosts(),
         Throws.TypeOf<NullListException>());
         _postStorageContract.Verify(x => x.GetList(),
         Times.Once);
@@ -93,7 +93,7 @@ internal class PostBusinessLogicContractTests
         InvalidOperationException()));
         //Act&Assert
         Assert.That(() =>
-        _postBusinessLogicContract.GetAllPosts(It.IsAny<bool>()),
+        _postBusinessLogicContract.GetAllPosts(),
         Throws.TypeOf<StorageException>());
         _postStorageContract.Verify(x => x.GetList(),
         Times.Once);

SmallSoftwareProject/SmallSoftwareTests/BusinessLogicsContractsTests/RequestBusinessLogicContractTests.cs

@@ -34,8 +34,8 @@ internal class RequestBusinessLogicContractTests
         var date = DateTime.UtcNow;
         var listOriginal = new List<RequestDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(),Guid.NewGuid().ToString(), 5, 10)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []), new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@mail.ru", false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(),Guid.NewGuid().ToString(), 5, 10)], DateTime.UtcNow),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@mail.ru",  false, [], DateTime.UtcNow), new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@mail.ru", false, [], DateTime.UtcNow),
         };
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(),
         It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
@@ -112,8 +112,8 @@ internal class RequestBusinessLogicContractTests
         var workerId = Guid.NewGuid().ToString();
         var listOriginal = new List<RequestDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(),Guid.NewGuid().ToString(), 5, 10)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []), new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(),Guid.NewGuid().ToString(), 5, 10)], DateTime.UtcNow),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), false, [], DateTime.UtcNow), new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), false, [], DateTime.UtcNow),
         };
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(),
         It.IsAny<DateTime?>(), It.IsAny<string>(), 
@@ -229,9 +229,9 @@ internal class RequestBusinessLogicContractTests
         var softwareId = Guid.NewGuid().ToString();
         var listOriginal = new List<RequestDataModel>()
         {
-        new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)]),
-        new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
-        new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+        new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@mail.ru", false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)], DateTime.UtcNow),
+        new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@mail.ru", false, [], DateTime.UtcNow),
+        new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@mail.ru", false, [], DateTime.UtcNow),
         };
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(),
         It.IsAny<DateTime?>(), It.IsAny<string>(), 
@@ -343,7 +343,7 @@ internal class RequestBusinessLogicContractTests
     {
         //Arrange
         var id = Guid.NewGuid().ToString();
-        var record = new RequestDataModel(id, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)]);
+        var record = new RequestDataModel(id, Guid.NewGuid().ToString(), "test@mail.ru", false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)], DateTime.UtcNow);
         _requestStorageContract.Setup(x =>
         x.GetElementById(id)).Returns(record); 
     //Act
@@ -404,8 +404,8 @@ internal class RequestBusinessLogicContractTests
     {
         //Arrange
         var flag = false; 
-        var record = new RequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "valid.email@example.com", 10, false, 
-            [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)]);
+        var record = new RequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "valid.email@example.com", false, 
+            [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)], DateTime.UtcNow);
         _requestStorageContract.Setup(x => x.AddElement(It.IsAny<RequestDataModel>()))
         .Callback((RequestDataModel x) =>
         {
@@ -434,8 +434,8 @@ internal class RequestBusinessLogicContractTests
         ElementExistsException("Data", "Data"));
         //Act&Assert
         Assert.That(() =>
-        _requestBusinessLogicContract.InsertRequest(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", 10,false, 
-        [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)])), Throws.TypeOf<ElementExistsException>());
+        _requestBusinessLogicContract.InsertRequest(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", false, 
+        [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)], DateTime.UtcNow)), Throws.TypeOf<ElementExistsException>());
         _requestStorageContract.Verify(x => x.AddElement(It.IsAny<RequestDataModel>()), Times.Once);
     }
     [Test]
@@ -451,7 +451,7 @@ internal class RequestBusinessLogicContractTests
     public void InsertRequest_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _requestBusinessLogicContract.InsertRequest(new RequestDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, [])), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _requestBusinessLogicContract.InsertRequest(new RequestDataModel("id", Guid.NewGuid().ToString(), "test@mail.ru", false, [], DateTime.UtcNow)), Throws.TypeOf<ValidationException>());
     _requestStorageContract.Verify(x =>
     x.AddElement(It.IsAny<RequestDataModel>()), Times.Never);
     }
@@ -464,7 +464,7 @@ internal class RequestBusinessLogicContractTests
         InvalidOperationException()));
         //Act&Assert
         Assert.That(() =>
-        _requestBusinessLogicContract.InsertRequest(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", 10, false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)])), Throws.TypeOf<StorageException>());
+        _requestBusinessLogicContract.InsertRequest(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", false, [new InstallationRequestDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 10)], DateTime.UtcNow)), Throws.TypeOf<StorageException>());
         _requestStorageContract.Verify(x =>
         x.AddElement(It.IsAny<RequestDataModel>()), Times.Once);
     }

SmallSoftwareProject/SmallSoftwareTests/BusinessLogicsContractsTests/SalaryBusinessLogicContractTests.cs

@@ -231,37 +231,7 @@ internal class SalaryBusinessLogicContractTests
         _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(),
         It.IsAny<DateTime>(), It.IsAny<string>()), Times.Once);
     }
-    [Test]
-    public void CalculateSalaryByMounth_CalculateSalary_Test()
-    {
-        //Arrange
-        var workerId = Guid.NewGuid().ToString();
-        var requestSum = 200.0;
-        var postSalary = 2000.0;
-        _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(),
-        It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
-        .Returns([new RequestDataModel(Guid.NewGuid().ToString(), workerId, Guid.NewGuid().ToString(), requestSum,  false, [])]);
-        _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-        .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name",
-        PostType.SoftInstaller, postSalary)); 
-        _workerStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
-        It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(),
-        It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
-        .Returns([new WorkerDataModel(workerId, "Test",
-        Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
-        var sum = 0.0;
-        var expectedSum = postSalary + requestSum * 0.1;
-        _salaryStorageContract.Setup(x =>
-        x.AddElement(It.IsAny<SalaryDataModel>()))
-        .Callback((SalaryDataModel x) =>
-        {
-            sum = x.Salary;
-        });
-        //Act
-        _salaryBusinessLogicContract.CalculateSalaryByMonth(DateTime.UtcNow);
-        //Assert
-        Assert.That(sum, Is.EqualTo(expectedSum));
-    }
+
     [Test]
     public void CalculateSalaryByMounth_WithSeveralWorkers_Test()
     {
@@ -280,15 +250,15 @@ internal class SalaryBusinessLogicContractTests
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(),
         It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
         .Returns([new RequestDataModel(Guid.NewGuid().ToString(),
-            worker1Id, Guid.NewGuid().ToString(), 1, false, []),
+            worker1Id, Guid.NewGuid().ToString(),  false, [], DateTime.UtcNow),
             new RequestDataModel(Guid.NewGuid().ToString(), worker1Id, Guid.NewGuid().ToString(),
-            1, false, []),
+            false, [], DateTime.UtcNow),
             new RequestDataModel(Guid.NewGuid().ToString(), worker2Id, Guid.NewGuid().ToString(),
-            1, false, []),
+             false, [], DateTime.UtcNow),
             new RequestDataModel(Guid.NewGuid().ToString(), worker3Id, Guid.NewGuid().ToString(),
-            1, false, []),
+             false, [], DateTime.UtcNow),
             new RequestDataModel(Guid.NewGuid().ToString(), worker3Id, Guid.NewGuid().ToString(),
-            1, false, [])]);
+            false, [], DateTime.UtcNow)]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
         .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name",
         PostType.SoftInstaller, 2000));
@@ -359,7 +329,7 @@ Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         var workerId = Guid.NewGuid().ToString();
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(),
         It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
-        .Returns([new RequestDataModel(Guid.NewGuid().ToString(), workerId, Guid.NewGuid().ToString(), 200, false, [])]); 
+        .Returns([new RequestDataModel(Guid.NewGuid().ToString(), workerId, Guid.NewGuid().ToString(), false, [], DateTime.UtcNow)]); 
         _workerStorageContract.Setup(x => x.GetList(It.IsAny<bool>(),
         It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(),
         It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
@@ -379,7 +349,7 @@ Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(),
         It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
         .Returns([new RequestDataModel(Guid.NewGuid().ToString(),
-        workerId, Guid.NewGuid().ToString(), 200,  false, [])]);
+        workerId, Guid.NewGuid().ToString(), false, [], DateTime.UtcNow)]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
         .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name",
         PostType.SoftInstaller, 2000));
@@ -420,7 +390,7 @@ Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(),
         It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
         .Returns([new RequestDataModel(Guid.NewGuid().ToString(),
-        workerId, Guid.NewGuid().ToString(), 200, false, [])]);
+        workerId, Guid.NewGuid().ToString(), false, [], DateTime.UtcNow)]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
         .Throws(new StorageException(new
         InvalidOperationException()));
@@ -442,7 +412,7 @@ Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         var workerId = Guid.NewGuid().ToString();
         _requestStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(),
         It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
-        .Returns([new RequestDataModel(Guid.NewGuid().ToString(), workerId, Guid.NewGuid().ToString(), 200, false, [])]);
+        .Returns([new RequestDataModel(Guid.NewGuid().ToString(), workerId, Guid.NewGuid().ToString(), false, [], DateTime.UtcNow)]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
         .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name",
         PostType.SoftInstaller, 2000));

SmallSoftwareProject/SmallSoftwareTests/DataModelsTests/RequestDataModelTests.cs

@@ -9,64 +9,55 @@ internal class RequestDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var request = CreateDataModel(null, Guid.NewGuid().ToString(), "test@example.com", 10, false, CreateSubDataModel());
+        var request = CreateDataModel(null, Guid.NewGuid().ToString(), "test@example.com", false, CreateSubDataModel() , DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
 
-        request = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), "test@example.com", 10, false, CreateSubDataModel());
+        request = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), "test@example.com", false, CreateSubDataModel(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var request = CreateDataModel("id", Guid.NewGuid().ToString(), "test@example.com", 10, false, CreateSubDataModel());
+        var request = CreateDataModel("id", Guid.NewGuid().ToString(), "test@example.com", false, CreateSubDataModel(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void WorkerIdIsNullOrEmptyTest()
     {
-        var request = CreateDataModel(Guid.NewGuid().ToString(), null, "test@example.com", 10, false, CreateSubDataModel());
+        var request = CreateDataModel(Guid.NewGuid().ToString(), null, "test@example.com", false, CreateSubDataModel(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
 
-        request = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "test@example.com", 10, false, CreateSubDataModel());
+        request = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "test@example.com", false, CreateSubDataModel(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void WorkerIdIsNotGuidTest()
     {
-        var request = CreateDataModel(Guid.NewGuid().ToString(), "workerId", "test@example.com", 10, false, CreateSubDataModel());
+        var request = CreateDataModel(Guid.NewGuid().ToString(), "workerId", "test@example.com",  false, CreateSubDataModel(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void EmailIsInvalidTest()
     {
-        var request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "invalid_email", 10, false, CreateSubDataModel());
+        var request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "invalid_email",  false, CreateSubDataModel(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
 
-        request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "", 10, false, CreateSubDataModel());
+        request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "@",  false, CreateSubDataModel(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
     }
 
-    [Test]
-    public void SumIsLessOrZeroTest()
-    {
-        var request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", 0, false, CreateSubDataModel());
-        Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
-
-        request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", -10, false, CreateSubDataModel());
-        Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
-    }
 
     [Test]
     public void SoftwaresIsNullOrEmptyTest()
     {
-        var request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", 10, false, null);
+        var request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", false, null, DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
 
-        request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", 10, false, new List<InstallationRequestDataModel>());
+        request = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "test@example.com", false, new List<InstallationRequestDataModel>(), DateTime.UtcNow);
         Assert.That(() => request.Validate(), Throws.TypeOf<ValidationException>());
     }
 
@@ -80,7 +71,7 @@ internal class RequestDataModelTests
         var isCancel = true;
         var softwares = CreateSubDataModel();
 
-        var request = CreateDataModel(requestId, workerId, email, sum, isCancel, softwares);
+        var request = CreateDataModel(requestId, workerId, email, isCancel, softwares, DateTime.UtcNow);
 
         Assert.That(() => request.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
@@ -94,8 +85,8 @@ internal class RequestDataModelTests
         });
     }
 
-    private static RequestDataModel CreateDataModel(string? id, string? workerId, string email, double sum, bool isCancel, List<InstallationRequestDataModel>? softwares) =>
-        new(id, workerId, email, sum, isCancel, softwares);
+    private static RequestDataModel CreateDataModel(string? id, string? workerId, string email,  bool isCancel, List<InstallationRequestDataModel>? softwares, DateTime requestDate) =>
+        new(id, workerId, email, isCancel, softwares, requestDate );
 
     private static List<InstallationRequestDataModel> CreateSubDataModel() =>
         [new InstallationRequestDataModel(Guid.NewGuid().ToString(), "SoftwareName", 1, 10)];

SmallSoftwareProject/SmallSoftwareTests/Infrastructure/CustomWebApplicationFactory.cs

@@ -0,0 +1,27 @@
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using SmallSoftwareContracts.Infrastructure;
+
+namespace SmallSoftwareTests.Infrastructure;
+
+internal class CustomWebApplicationFactory<TProgram> : WebApplicationFactory<TProgram>
+    where TProgram : class
+{
+    protected override void ConfigureWebHost(IWebHostBuilder builder)
+    {
+        builder.ConfigureServices(services =>
+        {
+            var databaseConfig = services.SingleOrDefault(x => x.ServiceType == typeof(IConfigurationDatabase));
+            if (databaseConfig is not null)
+                services.Remove(databaseConfig);
+            var loggerFactory = services.SingleOrDefault(x => x.ServiceType == typeof(LoggerFactory));
+            if (loggerFactory is not null)
+                services.Remove(loggerFactory);
+            services.AddSingleton<IConfigurationDatabase, ConfigurationDatabaseTest>();
+        });
+        builder.UseEnvironment("Development");
+        base.ConfigureWebHost(builder);
+    }
+}

SmallSoftwareProject/SmallSoftwareTests/Infrastructure/SmallSoftwareDbContextExtensions.cs

@@ -0,0 +1,170 @@
+
+using Microsoft.EntityFrameworkCore;
+using SmallSoftwareContracts.Enums;
+using SmallSoftwareDatabase;
+using SmallSoftwareDatabase.Models;
+using static NUnit.Framework.Internal.OSPlatform;
+using System;
+using System.ComponentModel.DataAnnotations;
+namespace SmallSoftwareTests.Infrastructure;
+
+internal static class SmallSoftwareDbContextExtensions
+{
+    public static Manufacturer InsertManufacturerToDatabaseAndReturn(this SmallSoftwareDbContext dbContext, 
+        string? id = null, string manufacturerName = "test", string prevManufacturerName = "prev", 
+        string prevPrevManufacturerName = "prevPrev")
+    {
+        var manufacturer = new Manufacturer()
+        {
+            Id = id ?? Guid.NewGuid().ToString(),
+            ManufacturerName = manufacturerName,
+            PrevManufacturerName = prevManufacturerName,
+            PrevPrevManufacturerName = prevPrevManufacturerName
+        };
+        dbContext.Manufacturers.Add(manufacturer);
+        dbContext.SaveChanges();
+        return manufacturer;
+    }
+    public static Post InsertPostToDatabaseAndReturn(this SmallSoftwareDbContext
+    dbContext, string? id = null, string postName = "test", PostType postType =
+    PostType.SoftInstaller, double salary = 10, bool isActual = true, DateTime?
+    changeDate = null)
+    {
+        var post = new Post()
+        {
+            Id = Guid.NewGuid().ToString(),
+            PostId = id ?? Guid.NewGuid().ToString(),
+            PostName = postName,
+            PostType = postType,
+            Salary = salary,
+            IsActual = isActual,
+            ChangeDate = changeDate ?? DateTime.UtcNow
+        }; 
+        dbContext.Posts.Add(post);
+        dbContext.SaveChanges();
+        return post;
+    }
+    public static Software InsertSoftwareToDatabaseAndReturn(this
+    SmallSoftwareDbContext dbContext, string manufacturerId, string? id = null, string
+    softwareName = "test", SoftwareType softwareType = SoftwareType.Windows, double price =
+    1, bool isDeleted = false)
+    {
+        var software = new Software()
+        {
+            Id = id ?? Guid.NewGuid().ToString(),
+            ManufacturerId = manufacturerId,
+            SoftwareName = softwareName,
+            SoftwareType = softwareType,
+            Price = price,
+            IsDeleted = isDeleted
+        };
+        dbContext.Softwares.Add(software);
+        dbContext.SaveChanges();
+        return software;
+    }
+
+    public static SoftwareHistory InsertSoftwareHistoryToDatabaseAndReturn(this
+    SmallSoftwareDbContext dbContext, string softwareId, double price = 10, DateTime?
+    changeDate = null)
+    {
+        var softwareHistory = new SoftwareHistory()
+        {
+            Id = Guid.NewGuid().ToString(),
+            SoftwareId = softwareId,
+            OldPrice = price,
+            ChangeDate = changeDate ?? DateTime.UtcNow
+        };
+        dbContext.SoftwareHistories.Add(softwareHistory);
+        dbContext.SaveChanges();
+        return softwareHistory;
+    }
+    public static Salary InsertSalaryToDatabaseAndReturn(this SmallSoftwareDbContext dbContext, string workerId, double workerSalary = 1, DateTime? salaryDate = null)
+    {
+        var salary = new Salary() { WorkerId = workerId, WorkerSalary = workerSalary, SalaryDate = salaryDate ?? DateTime.UtcNow };
+        dbContext.Salaries.Add(salary);
+        dbContext.SaveChanges();
+        return salary;
+    }
+
+    public static Request InsertRequestToDatabaseAndReturn(this SmallSoftwareDbContext dbContext,
+        string workerId, string email = "test@mail.ru", double sum = 1, bool isCancel = false,
+        List<(string, int, double)>? softwares = null, DateTime? requestDate = null)
+    {
+        var request = new Request()
+        {
+            WorkerId = workerId,
+            Email = email,
+            Sum = sum,
+            IsCancel = isCancel,
+            RequestDate = (requestDate ?? DateTime.UtcNow).ToUniversalTime(), 
+            InstallationRequests = []
+        };
+
+        if (softwares is not null)
+        {
+            foreach (var elem in softwares)
+            {
+                var software = dbContext.Softwares.Find(elem.Item1);
+                request.InstallationRequests.Add(new InstallationRequest
+                {
+                    SoftwareId = elem.Item1,
+                    Software = software!,
+                    RequestId = request.Id,
+                    Count = elem.Item2,
+                    Price = elem.Item3
+                });
+            }
+        }
+
+        dbContext.Requests.Add(request);
+        dbContext.SaveChanges();
+        return request;
+    }
+
+    public static Worker InsertWorkerToDatabaseAndReturn(this SmallSoftwareDbContext dbContext,
+        string? id = null, string fio = "test", string? postId = null, DateTime? birthDate = null, 
+        DateTime? employmentDate = null, bool isDeleted = false)
+    {
+        var worker = new Worker()
+        {
+            Id = id ?? Guid.NewGuid().ToString(), 
+            FIO = fio,
+            PostId = postId ?? Guid.NewGuid().ToString(),
+            BirthDate = birthDate ?? DateTime.UtcNow.AddYears(-20),
+            EmploymentDate = employmentDate ?? DateTime.UtcNow,
+            IsDeleted = isDeleted
+        };
+        dbContext.Workers.Add(worker);
+        dbContext.SaveChanges();
+        return worker;
+    }
+    public static Manufacturer? GetManufacturerFromDatabase(this
+    SmallSoftwareDbContext dbContext, string id) => dbContext.Manufacturers.FirstOrDefault(x => x.Id == id);
+    public static Post? GetPostFromDatabaseByPostId(this SmallSoftwareDbContext
+    dbContext, string id) => dbContext.Posts.FirstOrDefault(x => x.PostId == id && x.IsActual);
+    public static Post[] GetPostsFromDatabaseByPostId(this SmallSoftwareDbContext
+    dbContext, string id) => [.. dbContext.Posts.Where(x => x.PostId == id).OrderByDescending(x => x.ChangeDate)];
+    public static Software? GetSoftwareFromDatabaseById(this SmallSoftwareDbContext
+    dbContext, string id) => dbContext.Softwares.FirstOrDefault(x => x.Id == id);
+    public static Salary[] GetSalariesFromDatabaseByWorkerId(this
+    SmallSoftwareDbContext dbContext, string id) => [.. dbContext.Salaries.Where(x => x.WorkerId == id)];
+    public static Request? GetRequestFromDatabaseById(this SmallSoftwareDbContext
+    dbContext, string id) => dbContext.Requests.Include(x => x.InstallationRequests).FirstOrDefault(x => x.Id == id);
+
+    public static Worker? GetWorkerFromDatabaseById(this SmallSoftwareDbContext
+    dbContext, string id) => dbContext.Workers.FirstOrDefault(x => x.Id == id);
+    public static void RemoveManufacturersFromDatabase(this SmallSoftwareDbContext
+    dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Manufacturers\" CASCADE;");
+    public static void RemovePostsFromDatabase(this SmallSoftwareDbContext
+    dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Posts\" CASCADE;");
+    public static void RemoveSoftwaresFromDatabase(this SmallSoftwareDbContext
+    dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Softwares\" CASCADE;");
+    public static void RemoveSalariesFromDatabase(this SmallSoftwareDbContext
+    dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Salaries\" CASCADE;");
+    public static void RemoveRequestsFromDatabase(this SmallSoftwareDbContext
+    dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Requests\" CASCADE;");
+    public static void RemoveWorkersFromDatabase(this SmallSoftwareDbContext
+    dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE;");
+    private static void ExecuteSqlRaw(this SmallSoftwareDbContext dbContext,
+    string command) => dbContext.Database.ExecuteSqlRaw(command);
+}

SmallSoftwareProject/SmallSoftwareTests/SmallSoftwareTests.csproj

@@ -8,19 +8,36 @@
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Remove="appsettings.json" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Include="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
+      <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+    </Content>
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.3" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="NUnit" Version="4.2.2" />
     <PackageReference Include="NUnit.Analyzers" Version="4.4.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+    <PackageReference Include="Serilog" Version="4.2.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="9.0.1" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\SmallSoftwareBusinessLogic\SmallSoftwareBusinessLogic.csproj" />
     <ProjectReference Include="..\SmallSoftwareContracts\SmallSoftwareContracts.csproj" />
     <ProjectReference Include="..\SmallSoftwareDatabase\SmallSoftwareDatabase.csproj" />
+	<ProjectReference Include="..\SmallSoftwareWebApi\SmallSoftwareWebApi.csproj" />
   </ItemGroup>
 
   <ItemGroup>

SmallSoftwareProject/SmallSoftwareTests/StoragesContracts/ManufacturerStorageContractTests.cs

@@ -3,6 +3,7 @@ using SmallSoftwareContracts.DataModels;
 using SmallSoftwareContracts.Exceptions;
 using SmallSoftwareDatabase.Implementations;
 using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
 
 namespace SmallSoftwareTests.StoragesContracts;
 
@@ -19,17 +20,17 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Softwares\" CASCADE; ");
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Manufacturers\" CASCADE;");
+        SmallSoftwareDbContext.RemoveSoftwaresFromDatabase();
+        SmallSoftwareDbContext.RemoveManufacturersFromDatabase();
     }
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
         var manufacturer =
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1");
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1");
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
         "name 2");
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
         "name 3");
         var list = _manufacturerStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
@@ -47,14 +48,14 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
         var manufacturer =
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         AssertElement(_manufacturerStorageContract.GetElementById(manufacturer.Id),
         manufacturer);
     }
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         Assert.That(() =>
         _manufacturerStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
@@ -62,13 +63,13 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_GetElementByName_WhenHaveRecord_Test()
     {
         var manufacturer =
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         AssertElement(_manufacturerStorageContract.GetElementByName(manufacturer.ManufacturerName), manufacturer);
     }
     [Test]
     public void Try_GetElementByName_WhenNoRecord_Test()
     {
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         Assert.That(() =>
         _manufacturerStorageContract.GetElementByName("name"), Is.Null);
     }
@@ -76,7 +77,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_GetElementByOldName_WhenHaveRecord_Test()
     {
         var manufacturer =
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         AssertElement(_manufacturerStorageContract.GetElementByOldName(manufacturer
         .PrevManufacturerName!), manufacturer);
         AssertElement(_manufacturerStorageContract.GetElementByOldName(manufacturer
@@ -85,7 +86,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementByOldName_WhenNoRecord_Test()
     { 
-    InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+    SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         Assert.That(() =>
         _manufacturerStorageContract.GetElementByOldName("name"), Is.Null);
     }
@@ -101,7 +102,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenHaveRecordWithSameId_Test()
     {
         var manufacturer = CreateModel(Guid.NewGuid().ToString(), "name unique");
-        InsertManufacturerToDatabaseAndReturn(manufacturer.Id);
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturer.Id);
         Assert.That(() =>
         _manufacturerStorageContract.AddElement(manufacturer),
         Throws.TypeOf<ElementExistsException>());
@@ -110,7 +111,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenHaveRecordWithSameManufacturerName_Test()
     {
         var manufacturer = CreateModel(Guid.NewGuid().ToString(), "name unique");
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
         manufacturerName: manufacturer.ManufacturerName);
         Assert.That(() =>
         _manufacturerStorageContract.AddElement(manufacturer),
@@ -121,7 +122,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     {
         var manufacturer = CreateModel(Guid.NewGuid().ToString(), "name new",
         "test", "prev");
-        InsertManufacturerToDatabaseAndReturn(manufacturer.Id,
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturer.Id,
         manufacturerName: manufacturer.PrevManufacturerName!, prevManufacturerName:
         manufacturer.PrevPrevManufacturerName!);
         _manufacturerStorageContract.UpdElement(CreateModel(manufacturer.Id,
@@ -134,7 +135,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     {
         var manufacturer = CreateModel(Guid.NewGuid().ToString(), "name new",
         "test", "prev");
-        InsertManufacturerToDatabaseAndReturn(manufacturer.Id,
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturer.Id,
         manufacturerName: manufacturer.ManufacturerName!, prevManufacturerName:
         manufacturer.PrevManufacturerName!, prevPrevManufacturerName:
         manufacturer.PrevPrevManufacturerName!);
@@ -153,9 +154,9 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenHaveRecordWithSameManufacturerName_Test()
     {
         var manufacturer = CreateModel(Guid.NewGuid().ToString(), "name unique");
-        InsertManufacturerToDatabaseAndReturn(manufacturer.Id,
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturer.Id,
         manufacturerName: "some name");
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString(),
         manufacturerName: manufacturer.ManufacturerName);
         Assert.That(() =>
         _manufacturerStorageContract.UpdElement(manufacturer),
@@ -165,7 +166,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_DelElement_WhenNoSoftwares_Test()
     {
         var manufacturer =
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         _manufacturerStorageContract.DelElement(manufacturer.Id);
         var element = GetManufacturerFromDatabase(manufacturer.Id);
         Assert.That(element, Is.Null);
@@ -174,7 +175,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
     public void Try_DelElement_WhenHaveSoftwares_Test()
     {
         var manufacturer =
-        InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(Guid.NewGuid().ToString());
         SmallSoftwareDbContext.Softwares.Add(new Software()
         {
             Id =
@@ -197,22 +198,7 @@ internal class ManufacturerStorageContractTests : BaseStorageContractTest
         _manufacturerStorageContract.DelElement(Guid.NewGuid().ToString()),
         Throws.TypeOf<ElementNotFoundException>());
     }
-    private Manufacturer InsertManufacturerToDatabaseAndReturn(string id,
-    string manufacturerName = "test", string prevManufacturerName = "prev", string
-    prevPrevManufacturerName = "prevPrev")
-    {
-        var manufacturer = new Manufacturer()
-        {
-            Id = id,
-            ManufacturerName =
-        manufacturerName,
-            PrevManufacturerName = prevManufacturerName,
-            PrevPrevManufacturerName = prevPrevManufacturerName
-        };
-        SmallSoftwareDbContext.Manufacturers.Add(manufacturer);
-        SmallSoftwareDbContext.SaveChanges();
-    return manufacturer;
-    }
+
     private static void AssertElement(ManufacturerDataModel? actual,
     Manufacturer expected)
     {

SmallSoftwareProject/SmallSoftwareTests/StoragesContracts/PostStorageContractTests.cs

@@ -4,6 +4,7 @@ using SmallSoftwareContracts.Enums;
 using SmallSoftwareContracts.Exceptions;
 using SmallSoftwareDatabase.Implementations;
 using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -24,14 +25,14 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Posts\" CASCADE; ");
+        SmallSoftwareDbContext.RemovePostsFromDatabase();
     }
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1");
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2");
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3");
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1");
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2");
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3");
         var list = _postStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
@@ -48,10 +49,10 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_GetPostWithHistory_WhenHaveRecords_Test()
     {
         var postId = Guid.NewGuid().ToString();
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1",
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1",
         isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
         var list = _postStorageContract.GetPostWithHistory(postId);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -60,10 +61,10 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_GetPostWithHistory_WhenNoRecords_Test()
     {
         var postId = Guid.NewGuid().ToString();
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1",
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1",
         isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
         var list =
         _postStorageContract.GetPostWithHistory(Guid.NewGuid().ToString());
         Assert.That(list, Is.Not.Null);
@@ -72,21 +73,21 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
         AssertElement(_postStorageContract.GetElementById(post.PostId),
         post);
     }
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
         Assert.That(() =>
         _postStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
     [Test]
     public void Try_GetElementById_WhenRecordHasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
         isActual: false);
         Assert.That(() => _postStorageContract.GetElementById(post.PostId),
         Is.Null);
@@ -94,28 +95,28 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenTrySearchById_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
         Assert.That(() => _postStorageContract.GetElementById(post.Id),
         Is.Null);
     }
     [Test]
     public void Try_GetElementByName_WhenHaveRecord_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
         AssertElement(_postStorageContract.GetElementByName(post.PostName),
         post);
     }
     [Test]
     public void Try_GetElementByName_WhenNoRecord_Test()
     {
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
         Assert.That(() => _postStorageContract.GetElementByName("name"),
         Is.Null);
     }
     [Test]
     public void Try_GetElementByName_WhenRecordHasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
         isActual: false);
         Assert.That(() => _postStorageContract.GetElementById(post.PostName),
         Is.Null);
@@ -131,7 +132,7 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenHaveRecordWithSameName_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString(), "name unique");
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), postName:
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), postName:
         post.PostName, isActual: true);
         Assert.That(() => _postStorageContract.AddElement(post),
         Throws.TypeOf<ElementExistsException>());
@@ -140,7 +141,7 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenHaveRecordWithSamePostId_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString());
-        InsertPostToDatabaseAndReturn(post.Id, isActual: true);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(post.Id, isActual: true);
         Assert.That(() => _postStorageContract.AddElement(post),
         Throws.TypeOf<ElementExistsException>());
     }
@@ -148,7 +149,7 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString());
-        InsertPostToDatabaseAndReturn(post.Id, isActual: true);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(post.Id, isActual: true);
         _postStorageContract.UpdElement(post);
         var posts = SmallSoftwareDbContext.Posts.Where(x => x.PostId ==
         post.Id).OrderByDescending(x => x.ChangeDate);
@@ -167,8 +168,8 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenHaveRecordWithSameName_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString(), "New Name");
-        InsertPostToDatabaseAndReturn(post.Id, postName: "name");
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), postName:
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(post.Id, postName: "name");
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), postName:
         post.PostName);
         Assert.That(() => _postStorageContract.UpdElement(post),
         Throws.TypeOf<ElementExistsException>());
@@ -177,14 +178,14 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenRecordWasDeleted_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString());
-        InsertPostToDatabaseAndReturn(post.Id, isActual: false);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(post.Id, isActual: false);
         Assert.That(() => _postStorageContract.UpdElement(post),
         Throws.TypeOf<ElementDeletedException>());
     }
     [Test]
     public void Try_DelElement_Test()
     {
-    var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
+    var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
     isActual: true);
         _postStorageContract.DelElement(post.PostId);
     var element = GetPostFromDatabaseByPostId(post.PostId);
@@ -204,7 +205,7 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_DelElement_WhenRecordWasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
         isActual: false);
         Assert.That(() => _postStorageContract.DelElement(post.PostId),
         Throws.TypeOf<ElementDeletedException>());
@@ -212,7 +213,7 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_ResElement_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
         isActual: false);
         _postStorageContract.ResElement(post.PostId);
         var element = GetPostFromDatabaseByPostId(post.PostId);
@@ -232,29 +233,11 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_ResElement_WhenRecordNotWasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(),
         isActual: true);
         Assert.That(() => _postStorageContract.ResElement(post.PostId),
         Throws.Nothing);
     }
-    private Post InsertPostToDatabaseAndReturn(string id, string postName =
-    "test", PostType postType = PostType.SoftInstaller, double salary = 10, bool isActual
-    = true, DateTime? changeDate = null)
-    {
-        var post = new Post()
-        {
-            Id = Guid.NewGuid().ToString(),
-            PostId = id,
-            PostName = postName,
-            PostType = postType,
-            Salary = salary,
-            IsActual = isActual,
-            ChangeDate = changeDate ?? DateTime.UtcNow
-        };
-        SmallSoftwareDbContext.Posts.Add(post);
-        SmallSoftwareDbContext.SaveChanges();
-        return post;
-    }
     private static void AssertElement(PostDataModel? actual, Post expected)
     {
         Assert.That(actual, Is.Not.Null);

SmallSoftwareProject/SmallSoftwareTests/StoragesContracts/RequestStorageContractTests.cs

@@ -4,6 +4,7 @@ using SmallSoftwareContracts.Enums;
 using SmallSoftwareContracts.Exceptions;
 using SmallSoftwareDatabase.Implementations;
 using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
 using System.ComponentModel.DataAnnotations;
 
 namespace SmallSoftwareTests.StoragesContracts;
@@ -25,17 +26,17 @@ internal class RequestStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Requests\" CASCADE; ");
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Workers\"  CASCADE; ");
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Softwares\" CASCADE; ");
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Manufacturers\" CASCADE;");
+        SmallSoftwareDbContext.RemoveRequestsFromDatabase();
+        SmallSoftwareDbContext.RemoveWorkersFromDatabase();
+        SmallSoftwareDbContext.RemoveSalariesFromDatabase();
+        SmallSoftwareDbContext.RemoveManufacturersFromDatabase();
     }
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var request = InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests: [(_software.Id, 5, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "", 10, installationRequests: [(_software.Id, 10, 1.2)]);
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares: [(_software.Id, 5, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "", 10, softwares: [(_software.Id, 10, 1.2)]);
         var list = _requesttStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
@@ -51,10 +52,10 @@ internal class RequestStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_ByPeriod_Test()
     {
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, installationRequests: [(_software.Id, 1, 1.2)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
         var list = _requesttStorageContract.GetList(startDate:
         DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1));
         Assert.That(list, Is.Not.Null);
@@ -64,12 +65,12 @@ internal class RequestStorageContractTests : BaseStorageContractTest
     public void Try_GetList_ByWorkerId_Test()
     {
         var worker = InsertWorkerToDatabaseAndReturn("Other worker");
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests:
-        [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests:
-        [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(worker.Id, "", 1, installationRequests:
-        [(_software.Id, 1, 1.2)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares:
+        [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares:
+        [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, "", 1, softwares:
+        [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
         var list = _requesttStorageContract.GetList(workerId: _worker.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -80,13 +81,13 @@ internal class RequestStorageContractTests : BaseStorageContractTest
     public void Try_GetList_BySoftwareId_Test()
     {
         var software = InsertSoftwareToDatabaseAndReturn("Other name");
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests:
-        [(_software.Id, 5, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests:
-        [(_software.Id, 1, 1.2), (software.Id, 4, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, installationRequests:
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares:
+        [(_software.Id, 5, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares:
+        [(_software.Id, 1, 1.2), (software.Id, 4, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, softwares:
         [(software.Id, 1, 1.2)]); 
-        InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, installationRequests:
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "", 1, softwares:
         [(software.Id, 1, 1.2), (_software.Id, 1, 1.2)]);
         var list = _requesttStorageContract.GetList(softwareId: _software.Id);
         Assert.That(list, Is.Not.Null);
@@ -99,13 +100,13 @@ internal class RequestStorageContractTests : BaseStorageContractTest
     {
         var worker = InsertWorkerToDatabaseAndReturn("Other worker");
         var software = InsertSoftwareToDatabaseAndReturn("Other name");
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(worker.Id, "", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(worker.Id, "test@mail.ru", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(worker.Id, "test@mail.ru", 1, installationRequests: [(software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests: [(_software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests: [(software.Id, 1, 1.2)]);
-        InsertRequestToDatabaseAndReturn(worker.Id, "", 1, installationRequests: [(_software.Id, 1, 1.2)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, "", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, "test@mail.ru", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, "test@mail.ru", 1, softwares: [(software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares: [(software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, "", 1, softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
         var list = _requesttStorageContract.GetList(startDate:
         DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1), workerId:
         _worker.Id,  softwareId: _software.Id);
@@ -115,45 +116,45 @@ internal class RequestStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var request = InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
-        installationRequests: [(_software.Id, 1, 1.2)]);
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
+        softwares: [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
         AssertElement(_requesttStorageContract.GetElementById(request.Id), request);
     }
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, installationRequests:
-        [(_software.Id, 1, 1.2)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1, softwares:
+        [(_software.Id, 1, 1.2)], requestDate: DateTime.UtcNow.AddHours(-12));
         Assert.That(() =>
         _requesttStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
     [Test]
     public void Try_GetElementById_WhenRecordHasCanceled_Test()
     {
-        var request = InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
-        installationRequests: [(_software.Id, 1, 1.2)], isCancel: true);
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
+        softwares: [(_software.Id, 1, 1.2)], isCancel: true);
         AssertElement(_requesttStorageContract.GetElementById(request.Id), request);
     }
     [Test]
     public void Try_AddElement_Test()
     {
-        var request = CreateModel(Guid.NewGuid().ToString(), _worker.Id,"", 0,  false, [_software.Id]);
+        var request = CreateModel(Guid.NewGuid().ToString(), _worker.Id,"", 0,  false, [_software.Id], DateTime.UtcNow);
         _requesttStorageContract.AddElement(request);
         AssertElement(GetRequestFromDatabaseById(request.Id), request);
     }
     [Test]
     public void Try_AddElement_WhenIsDeletedIsTrue_Test()
     {
-        var request = CreateModel(Guid.NewGuid().ToString(), _worker.Id, "test@mail.ru", 1, true, [_software.Id]);
+        var request = CreateModel(Guid.NewGuid().ToString(), _worker.Id, "test@mail.ru", 1, true, [_software.Id], DateTime.UtcNow);
         Assert.That(() => _requesttStorageContract.AddElement(request),Throws.Nothing);
         AssertElement(GetRequestFromDatabaseById(request.Id), CreateModel(request.Id,
-        _worker.Id, "test@mail.ru", 1, false, [_software.Id]));
+        _worker.Id, "test@mail.ru", 1, false, [_software.Id], DateTime.UtcNow));
     }
     [Test]
     public void Try_DelElement_Test()
     {
-        var request = InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
-        installationRequests: [(_software.Id, 1, 1.2)], isCancel: false);
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
+        softwares: [(_software.Id, 1, 1.2)], isCancel: false);
         _requesttStorageContract.DelElement(request.Id);
         var element = GetRequestFromDatabaseById(request.Id);
         Assert.Multiple(() =>
@@ -172,8 +173,8 @@ internal class RequestStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_DelElement_WhenRecordWasCanceled_Test()
     {
-        var request = InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
-        installationRequests: [(_software.Id, 1, 1.2)], isCancel: true);
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_worker.Id, "test@mail.ru", 1,
+        softwares: [(_software.Id, 1, 1.2)], isCancel: true);
         Assert.That(() => _requesttStorageContract.DelElement(request.Id),
         Throws.TypeOf<ElementDeletedException>());
     }
@@ -219,36 +220,6 @@ internal class RequestStorageContractTests : BaseStorageContractTest
         SmallSoftwareDbContext.SaveChanges();
         return software;
     }
-    private Request InsertRequestToDatabaseAndReturn(string workerId, string email,
-        double sum = 1, bool isCancel = false, List<(string, int, double)>? installationRequests = null)
-    {
-        var request = new Request()
-        {
-            WorkerId = workerId,
-            Email = email,
-            Sum = sum,
-            IsCancel = isCancel,
-            InstallationRequests = []
-
-        };
-        if (installationRequests is not null)
-        {
-            foreach (var elem in installationRequests)
-            {
-                request.InstallationRequests.Add(new InstallationRequest
-                {
-                    SoftwareId =
-                elem.Item1,
-                    RequestId = request.Id,
-                    Count = elem.Item2,
-                    Price = elem.Item3
-                });
-            }
-        }
-        SmallSoftwareDbContext.Requests.Add(request);
-        SmallSoftwareDbContext.SaveChanges();
-        return request;
-    }
     private static void AssertElement(RequestDataModel? actual, Request expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -279,10 +250,10 @@ internal class RequestStorageContractTests : BaseStorageContractTest
             Assert.That(actual.Softwares, Is.Null);
         }
     }
-    private static RequestDataModel CreateModel(string id, string workerId, string email, double sum, bool isCancel, List<string> softwareIds)
+    private static RequestDataModel CreateModel(string id, string workerId, string email, double sum, bool isCancel, List<string> softwareIds, DateTime requestDate)
     {
         var installationRequests = softwareIds.Select(x => new InstallationRequestDataModel(x, id, 1, 1.1)).ToList();
-        return new(id, workerId, email, sum, isCancel, installationRequests);
+        return new(id, workerId, email, isCancel, installationRequests, requestDate);
     }
     private Request? GetRequestFromDatabaseById(string id) =>
         SmallSoftwareDbContext.Requests.Include(x => x.InstallationRequests).FirstOrDefault(x => x.Id == id);
@@ -298,8 +269,7 @@ internal class RequestStorageContractTests : BaseStorageContractTest
         if (expected.Softwares is not null)
         {
             Assert.That(actual.InstallationRequests, Is.Not.Null);
-            Assert.That(actual.InstallationRequests,
-            Has.Count.EqualTo(expected.Softwares.Count));
+            Assert.That(actual.InstallationRequests, Has.Count.EqualTo(expected.Softwares.Count));
             for (int i = 0; i < actual.InstallationRequests.Count; ++i)
             {
                 Assert.Multiple(() =>

SmallSoftwareProject/SmallSoftwareTests/StoragesContracts/SalaryStorageContractTests.cs

@@ -2,6 +2,7 @@
 using SmallSoftwareContracts.DataModels;
 using SmallSoftwareDatabase.Implementations;
 using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -25,16 +26,15 @@ internal class SalaryStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Salaries\" CASCADE; ");
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE; ");
+        SmallSoftwareDbContext.RemoveSalariesFromDatabase();
+        SmallSoftwareDbContext.RemoveWorkersFromDatabase();
     }
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var salary = InsertSalaryToDatabaseAndReturn(_worker.Id,
-        workerSalary: 100);
-        InsertSalaryToDatabaseAndReturn(_worker.Id);
-        InsertSalaryToDatabaseAndReturn(_worker.Id);
+        var salary = SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, workerSalary: 1);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id);
         var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
         10), DateTime.UtcNow.AddDays(10));
         Assert.That(list, Is.Not.Null);
@@ -52,17 +52,17 @@ internal class SalaryStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_OnlyInDatePeriod_Test()
     {
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-2));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-1).AddMinutes(-5));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-1).AddMinutes(5));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(1).AddMinutes(-5));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(1).AddMinutes(5));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-2));
         var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
         1), DateTime.UtcNow.AddDays(1));
@@ -76,9 +76,9 @@ internal class SalaryStorageContractTests : BaseStorageContractTest
     public void Try_GetList_ByWorker_Test()
     {
         var worker = InsertWorkerToDatabaseAndReturn("name 2");
-        InsertSalaryToDatabaseAndReturn(_worker.Id);
-        InsertSalaryToDatabaseAndReturn(_worker.Id);
-        InsertSalaryToDatabaseAndReturn(worker.Id);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id);
         var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
         1), DateTime.UtcNow.AddDays(1), _worker.Id);
         Assert.That(list, Is.Not.Null);
@@ -92,17 +92,17 @@ internal class SalaryStorageContractTests : BaseStorageContractTest
     public void Try_GetList_ByWorkerOnlyInDatePeriod_Test()
     {
         var worker = InsertWorkerToDatabaseAndReturn("name 2");
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-2));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-1).AddMinutes(5));
-        InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-1).AddMinutes(5));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(1).AddMinutes(-5));
-        InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(1).AddMinutes(-5));
-        InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(_worker.Id, salaryDate:
         DateTime.UtcNow.AddDays(-2));
         var list = _salaryStorageContract.GetList(DateTime.UtcNow.AddDays(-
         1), DateTime.UtcNow.AddDays(1), _worker.Id);
@@ -134,20 +134,7 @@ internal class SalaryStorageContractTests : BaseStorageContractTest
         SmallSoftwareDbContext.SaveChanges();
         return worker;
     }
-    private Salary InsertSalaryToDatabaseAndReturn(string workerId, double
-    workerSalary = 1, DateTime? salaryDate = null)
-    {
-        var salary = new Salary()
-        {
-            WorkerId = workerId,
-            WorkerSalary =
-        workerSalary,
-            SalaryDate = salaryDate ?? DateTime.UtcNow
-        };
-        SmallSoftwareDbContext.Salaries.Add(salary);
-        SmallSoftwareDbContext.SaveChanges();
-        return salary;
-    }
+
     private static void AssertElement(SalaryDataModel? actual, Salary expected)
     {
         Assert.That(actual, Is.Not.Null);

SmallSoftwareProject/SmallSoftwareTests/StoragesContracts/SoftwareStorageContractTests.cs

@@ -4,6 +4,8 @@ using SmallSoftwareContracts.Enums;
 using SmallSoftwareContracts.Exceptions;
 using SmallSoftwareDatabase.Implementations;
 using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
+using static NUnit.Framework.Internal.OSPlatform;
 
 namespace SmallSoftwareTests.StoragesContracts;
 [TestFixture]
@@ -11,34 +13,33 @@ internal class SoftwareStorageContractTests : BaseStorageContractTest
 {
     private SoftwareStorageContract _softwareStorageContract;
     private Manufacturer _manufacturer;
+
     [SetUp]
-public void SetUp()
+    public void SetUp()
     {
-        _softwareStorageContract = new
-        SoftwareStorageContract(SmallSoftwareDbContext);
-        _manufacturer = InsertManufacturerToDatabaseAndReturn();
+        _softwareStorageContract = new SoftwareStorageContract(SmallSoftwareDbContext);
+        _manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
     }
+
     [TearDown]
     public void TearDown()
     {
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Softwares\" CASCADE; ");
-        SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Manufacturers\" CASCADE;");
+        SmallSoftwareDbContext.RemoveSoftwaresFromDatabase();
+        SmallSoftwareDbContext.RemoveManufacturersFromDatabase();
     }
+
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id,
-        "name 1");
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 2");
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 3");
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 1");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 2");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 3");
         var list = _softwareStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
         AssertElement(list.First(x => x.Id == software.Id), software);
     }
+
     [Test]
     public void Try_GetList_WhenNoRecords_Test()
     {
@@ -46,15 +47,13 @@ public void SetUp()
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Is.Empty);
     }
+
     [Test]
     public void Try_GetList_OnlyActual_Test()
     {
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 1", isDeleted: true);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 2", isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 3", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 2", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 3", isDeleted: false);
         var list = _softwareStorageContract.GetList(onlyActive: true);
         Assert.That(list, Is.Not.Null);
         Assert.Multiple(() =>
@@ -63,15 +62,13 @@ public void SetUp()
             Assert.That(!list.Any(x => x.IsDeleted));
         });
     }
+
     [Test]
     public void Try_GetList_IncludeNoActual_Test()
     {
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 1", isDeleted: true); 
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 2", isDeleted: true);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 3", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 2", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 3", isDeleted: false);
         var list = _softwareStorageContract.GetList(onlyActive: false);
         Assert.That(list, Is.Not.Null);
         Assert.Multiple(() =>
@@ -81,357 +78,250 @@ public void SetUp()
             Assert.That(list.Count(x => !x.IsDeleted), Is.EqualTo(1));
         });
     }
+
     [Test]
     public void Try_GetList_ByManufacturer_Test()
     {
-        var manufacruer = InsertManufacturerToDatabaseAndReturn("name 2");
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 1", isDeleted: true);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 2", isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        manufacruer.Id, "name 3", isDeleted: false);
-        var list = _softwareStorageContract.GetList(manufacturerId:
-        _manufacturer.Id, onlyActive: false);
+        var manufacruer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: "name 2");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 2", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacruer.Id, softwareName: "name 3", isDeleted: false);
+        var list = _softwareStorageContract.GetList(manufacturerId: _manufacturer.Id, onlyActive: false);
         Assert.That(list, Is.Not.Null);
         Assert.Multiple(() =>
         {
             Assert.That(list, Has.Count.EqualTo(2));
-            Assert.That(list.All(x => x.ManufacturerId ==
-            _manufacturer.Id));
+            Assert.That(list.All(x => x.ManufacturerId == _manufacturer.Id));
         });
     }
+
     [Test]
     public void Try_GetList_ByManufacturerOnlyActual_Test()
     {
-        var manufacruer = InsertManufacturerToDatabaseAndReturn("name 2");
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 1", isDeleted: true);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name 2", isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        manufacruer.Id, "name 3", isDeleted: false);
-        var list = _softwareStorageContract.GetList(manufacturerId:
-        _manufacturer.Id, onlyActive: true);
+        var manufacruer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: "name 2");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: "name 2", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacruer.Id, softwareName: "name 3", isDeleted: false);
+        var list = _softwareStorageContract.GetList(manufacturerId: _manufacturer.Id, onlyActive: true);
         Assert.That(list, Is.Not.Null);
         Assert.Multiple(() =>
         {
             Assert.That(list, Has.Count.EqualTo(1));
-            Assert.That(list.All(x => x.ManufacturerId == _manufacturer.Id
-            && !x.IsDeleted));
+            Assert.That(list.All(x => x.ManufacturerId == _manufacturer.Id && !x.IsDeleted));
         });
     }
+
     [Test]
     public void Try_GetHistoryBySoftwareId_WhenHaveRecords_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id,
-        "name 1");
-        InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 20,
-        DateTime.UtcNow.AddDays(-1)); 
-    InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 30,
-    DateTime.UtcNow.AddMinutes(-10));
-        InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 40,
-        DateTime.UtcNow.AddDays(1));
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id);
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 20, DateTime.UtcNow.AddDays(-1));
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 30, DateTime.UtcNow.AddMinutes(-10));
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 40, DateTime.UtcNow.AddDays(1));
         var list = _softwareStorageContract.GetHistoryBySoftwareId(software.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
     }
+
     [Test]
     public void Try_GetHistoryBySoftwareId_WhenNoRecords_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id,
-        "name 1");
-        InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 20,
-        DateTime.UtcNow.AddDays(-1));
-        InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 30,
-        DateTime.UtcNow.AddMinutes(-10));
-        InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 40,
-        DateTime.UtcNow.AddDays(1));
-        var list =
-        _softwareStorageContract.GetHistoryBySoftwareId(Guid.NewGuid().ToString());
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id);
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 20, DateTime.UtcNow.AddDays(-1));
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 30, DateTime.UtcNow.AddMinutes(-10));
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 40, DateTime.UtcNow.AddDays(1));
+        var list = _softwareStorageContract.GetHistoryBySoftwareId(Guid.NewGuid().ToString());
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(0));
     }
+
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id);
-        AssertElement(_softwareStorageContract.GetElementById(software.Id),
-        software);
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id);
+        AssertElement(_softwareStorageContract.GetElementById(software.Id), software);
     }
+
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id);
-        Assert.That(() =>
-        _softwareStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id);
+        Assert.That(() => _softwareStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
+
     [Test]
-    public void Try_GetElementById_WhenRecordHasDeleted_Test()
+    public void Try_GetElementById_WhenRecordWasDeleted_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id,
-        isDeleted: true);
-        Assert.That(() => _softwareStorageContract.GetElementById(software.Id),
-        Is.Null);
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, isDeleted: true);
+        Assert.That(() => _softwareStorageContract.GetElementById(software.Id), Is.Null);
     }
+
     [Test]
     public void Try_GetElementByName_WhenHaveRecord_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id);
-        AssertElement(_softwareStorageContract.GetElementByName(software.SoftwareName)
-        , software);
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id);
+        AssertElement(_softwareStorageContract.GetElementByName(software.SoftwareName), software);
     }
+
     [Test]
     public void Try_GetElementByName_WhenNoRecord_Test()
     {
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id);
-        Assert.That(() => _softwareStorageContract.GetElementByName("name"),
-        Is.Null);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id);
+        Assert.That(() => _softwareStorageContract.GetElementByName("name"), Is.Null);
     }
+
     [Test]
-    public void Try_GetElementByName_WhenRecordHasDeleted_Test()
+    public void Try_GetElementByName_WhenRecordWasDeleted_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id,
-        isDeleted: true);
-        Assert.That(() =>
-        _softwareStorageContract.GetElementById(software.SoftwareName), Is.Null);
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, isDeleted: true);
+        Assert.That(() => _softwareStorageContract.GetElementById(software.SoftwareName), Is.Null);
     }
+
     [Test]
     public void Try_AddElement_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, isDeleted: false);
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, isDeleted: false);
         _softwareStorageContract.AddElement(software);
-        AssertElement(GetSoftwareFromDatabaseById(software.Id), software);
+        AssertElement(SmallSoftwareDbContext.GetSoftwareFromDatabaseById(software.Id), software);
     }
+
     [Test]
     public void Try_AddElement_WhenIsDeletedIsTrue_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, isDeleted: true);
-        Assert.That(() => _softwareStorageContract.AddElement(software),
-        Throws.Nothing);
-        AssertElement(GetSoftwareFromDatabaseById(software.Id),
-        CreateModel(software.Id, _manufacturer.Id, isDeleted: false));
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, isDeleted: true);
+        Assert.That(() => _softwareStorageContract.AddElement(software), Throws.Nothing);
+        AssertElement(SmallSoftwareDbContext.GetSoftwareFromDatabaseById(software.Id), CreateModel(software.Id, _manufacturer.Id, isDeleted: false));
     }
+
     [Test]
     public void Try_AddElement_WhenHaveRecordWithSameId_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id);
-        InsertSoftwareToDatabaseAndReturn(software.Id, _manufacturer.Id,
-        softwareName: "name unique");
-        Assert.That(() => _softwareStorageContract.AddElement(software),
-        Throws.TypeOf<ElementExistsException>());
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, software.Id, softwareName: "name unique");
+        Assert.That(() => _softwareStorageContract.AddElement(software), Throws.TypeOf<ElementExistsException>());
     }
+
     [Test]
     public void Try_AddElement_WhenHaveRecordWithSameName_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name unique", isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, softwareName: software.SoftwareName, isDeleted: false);
-        Assert.That(() => _softwareStorageContract.AddElement(software),
-        Throws.TypeOf<ElementExistsException>());
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, "name unique", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: software.SoftwareName, isDeleted: false);
+        Assert.That(() => _softwareStorageContract.AddElement(software), Throws.TypeOf<ElementExistsException>());
     }
+
     [Test]
     public void Try_AddElement_WhenHaveRecordWithSameNameButOneWasDeleted_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name unique", isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, softwareName: software.SoftwareName, isDeleted: true);
-        Assert.That(() => _softwareStorageContract.AddElement(software),
-        Throws.Nothing);
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, "name unique", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: software.SoftwareName, isDeleted: true);
+        Assert.That(() => _softwareStorageContract.AddElement(software), Throws.Nothing);
     }
+
     [Test]
     public void Try_UpdElement_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(software.Id, _manufacturer.Id,
-        isDeleted: false);
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, id: software.Id, isDeleted: false);
         _softwareStorageContract.UpdElement(software);
-        AssertElement(GetSoftwareFromDatabaseById(software.Id), software);
+        AssertElement(SmallSoftwareDbContext.GetSoftwareFromDatabaseById(software.Id), software);
     }
+
     [Test]
     public void Try_UpdElement_WhenIsDeletedIsTrue_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, isDeleted: true);
-        InsertSoftwareToDatabaseAndReturn(software.Id, _manufacturer.Id,
-        isDeleted: false);
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, software.Id, isDeleted: false);
         _softwareStorageContract.UpdElement(software);
-        AssertElement(GetSoftwareFromDatabaseById(software.Id),
-        CreateModel(software.Id, _manufacturer.Id, isDeleted: false));
+        AssertElement(SmallSoftwareDbContext.GetSoftwareFromDatabaseById(software.Id), CreateModel(software.Id, _manufacturer.Id, isDeleted: false));
     }
+
     [Test]
     public void Try_UpdElement_WhenNoRecordWithThisId_Test()
     {
-        Assert.That(() =>
-        _softwareStorageContract.UpdElement(CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id)), Throws.TypeOf<ElementNotFoundException>());
+        Assert.That(() => _softwareStorageContract.UpdElement(CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id)), Throws.TypeOf<ElementNotFoundException>());
     }
+
     [Test]
     public void Try_UpdElement_WhenHaveRecordWithSameName_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name unique", isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(software.Id, _manufacturer.Id,
-        softwareName: "name");
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-        _manufacturer.Id, softwareName: software.SoftwareName);
-        Assert.That(() => _softwareStorageContract.UpdElement(software),
-        Throws.TypeOf<ElementExistsException>());
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, "name unique", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, software.Id, softwareName: "name");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: software.SoftwareName);
+        Assert.That(() => _softwareStorageContract.UpdElement(software), Throws.TypeOf<ElementExistsException>());
     }
+
     [Test]
-    public void
-    Try_UpdElement_WhenHaveRecordWithSameNameButOneWasDeleted_Test()
+    public void Try_UpdElement_WhenHaveRecordWithSameNameButOneWasDeleted_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id, "name unique", isDeleted: false);
-        InsertSoftwareToDatabaseAndReturn(software.Id, _manufacturer.Id,
-        softwareName: "name"); 
-    InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(),
-    _manufacturer.Id, softwareName: software.SoftwareName, isDeleted: true);
-        Assert.That(() => _softwareStorageContract.UpdElement(software),
-        Throws.Nothing);
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id, "name unique", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, software.Id, softwareName: "name");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, softwareName: software.SoftwareName, isDeleted: true);
+        Assert.That(() => _softwareStorageContract.UpdElement(software), Throws.Nothing);
     }
+
     [Test]
     public void Try_UpdElement_WhenRecordWasDeleted_Test()
     {
-        var software = CreateModel(Guid.NewGuid().ToString(),
-        _manufacturer.Id);
-        InsertSoftwareToDatabaseAndReturn(software.Id, _manufacturer.Id,
-        isDeleted: true);
-        Assert.That(() => _softwareStorageContract.UpdElement(software),
-        Throws.TypeOf<ElementNotFoundException>());
+        var software = CreateModel(Guid.NewGuid().ToString(), _manufacturer.Id);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, software.Id, isDeleted: true);
+        Assert.That(() => _softwareStorageContract.UpdElement(software), Throws.TypeOf<ElementNotFoundException>());
     }
+
     [Test]
     public void Try_DelElement_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id,
-        isDeleted: false);
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, isDeleted: false);
         _softwareStorageContract.DelElement(software.Id);
-        var element = GetSoftwareFromDatabaseById(software.Id);
+        var element = SmallSoftwareDbContext.GetSoftwareFromDatabaseById(software.Id);
         Assert.Multiple(() =>
         {
             Assert.That(element, Is.Not.Null);
             Assert.That(element!.IsDeleted);
         });
     }
+
     [Test]
     public void Try_DelElement_WhenNoRecordWithThisId_Test()
     {
-        Assert.That(() =>
-        _softwareStorageContract.DelElement(Guid.NewGuid().ToString()),
-        Throws.TypeOf<ElementNotFoundException>());
+        Assert.That(() => _softwareStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
     }
+
     [Test]
     public void Try_DelElement_WhenRecordWasDeleted_Test()
     {
-        var software =
-        InsertSoftwareToDatabaseAndReturn(Guid.NewGuid().ToString(), _manufacturer.Id,
-        isDeleted: true);
-        Assert.That(() => _softwareStorageContract.DelElement(software.Id),
-        Throws.TypeOf<ElementNotFoundException>());
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturer.Id, isDeleted: true);
+        Assert.That(() => _softwareStorageContract.DelElement(software.Id), Throws.TypeOf<ElementNotFoundException>());
     }
-    private Manufacturer InsertManufacturerToDatabaseAndReturn(string
-    manufacturerName = "name")
-    {
-        var manufacrurer = new Manufacturer()
-        {
-            Id =
-        Guid.NewGuid().ToString(),
-            ManufacturerName = manufacturerName
-        };
-        SmallSoftwareDbContext.Manufacturers.Add(manufacrurer);
-        SmallSoftwareDbContext.SaveChanges();
-        return manufacrurer;
-    }
-    private Software InsertSoftwareToDatabaseAndReturn(string id, string
-    manufacturerId, string softwareName = "test", SoftwareType softwareType =
-    SoftwareType.Windows, double price = 1, bool isDeleted = false)
-    {
-    var software = new Software()
-    {
-        Id = id,
-        ManufacturerId =
-    manufacturerId,
-        SoftwareName = softwareName,
-        SoftwareType = softwareType,
-        Price =
-    price,
-        IsDeleted = isDeleted
-    };
-        SmallSoftwareDbContext.Softwares.Add(software);
-        SmallSoftwareDbContext.SaveChanges();
-        return software;
-    }
-    private SoftwareHistory InsertSoftwareHistoryToDatabaseAndReturn(string
-    softwareId, double price, DateTime changeDate)
-    {
-        var softwareHistory = new SoftwareHistory()
-        {
-            Id =
-        Guid.NewGuid().ToString(),
-            SoftwareId = softwareId,
-            OldPrice = price,
-            ChangeDate =
-        changeDate
-        };
-        SmallSoftwareDbContext.SoftwareHistories.Add(softwareHistory);
-        SmallSoftwareDbContext.SaveChanges();
-        return softwareHistory;
-    }
-    private static void AssertElement(SoftwareDataModel? actual, Software
-    expected)
+
+    private static void AssertElement(SoftwareDataModel? actual, Software expected)
     {
         Assert.That(actual, Is.Not.Null);
         Assert.Multiple(() =>
         {
             Assert.That(actual.Id, Is.EqualTo(expected.Id));
-            Assert.That(actual.ManufacturerId,
-            Is.EqualTo(expected.ManufacturerId));
-            Assert.That(actual.SoftwareName,
-            Is.EqualTo(expected.SoftwareName));
-            Assert.That(actual.SoftwareType,
-            Is.EqualTo(expected.SoftwareType));
+            Assert.That(actual.ManufacturerId, Is.EqualTo(expected.ManufacturerId));
+            Assert.That(actual.SoftwareName, Is.EqualTo(expected.SoftwareName));
+            Assert.That(actual.SoftwareType, Is.EqualTo(expected.SoftwareType));
             Assert.That(actual.Price, Is.EqualTo(expected.Price));
             Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
         });
     }
-    private static SoftwareDataModel CreateModel(string id, string
-    manufacturerId, string softwareName = "test", SoftwareType softwareType =
-    SoftwareType.Windows, double price = 1, bool isDeleted = false)
-    => new(id, softwareName, softwareType, manufacturerId, price,
-    isDeleted);
-    private Software? GetSoftwareFromDatabaseById(string id) =>
-    SmallSoftwareDbContext.Softwares.FirstOrDefault(x => x.Id == id);
-    private static void AssertElement(Software? actual, SoftwareDataModel
-    expected)
+
+    private static SoftwareDataModel CreateModel(string id, string manufacturerId, string softwareName = "test", SoftwareType softwareType = SoftwareType.Windows, double price = 1, bool isDeleted = false)
+        => new(id, softwareName, softwareType, manufacturerId, price, isDeleted);
+
+    private static void AssertElement(Software? actual, SoftwareDataModel expected)
     {
         Assert.That(actual, Is.Not.Null);
         Assert.Multiple(() =>
         {
             Assert.That(actual.Id, Is.EqualTo(expected.Id));
-            Assert.That(actual.ManufacturerId,
-            Is.EqualTo(expected.ManufacturerId));
-            Assert.That(actual.SoftwareName,
-            Is.EqualTo(expected.SoftwareName));
-            Assert.That(actual.SoftwareType,
-            Is.EqualTo(expected.SoftwareType));
+            Assert.That(actual.ManufacturerId, Is.EqualTo(expected.ManufacturerId));
+            Assert.That(actual.SoftwareName, Is.EqualTo(expected.SoftwareName));
+            Assert.That(actual.SoftwareType, Is.EqualTo(expected.SoftwareType));
             Assert.That(actual.Price, Is.EqualTo(expected.Price));
             Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
         });
     }
+
 }

SmallSoftwareProject/SmallSoftwareTests/StoragesContracts/WorkerStorageContractTests.cs

@@ -3,6 +3,7 @@ using SmallSoftwareContracts.DataModels;
 using SmallSoftwareContracts.Exceptions;
 using SmallSoftwareDatabase.Implementations;
 using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -24,19 +25,19 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         [TearDown]
         public void TearDown()
         {
-            SmallSoftwareDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE; ");
+
+            SmallSoftwareDbContext.RemoveWorkersFromDatabase();
         }
         [Test]
         public void Try_GetList_WhenHaveRecords_Test()
         {
-            var worker =
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1");
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2");
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3");
+            var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1");
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2");
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3");
             var list = _workerStorageContract.GetList();
             Assert.That(list, Is.Not.Null);
             Assert.That(list, Has.Count.EqualTo(3));
-            AssertElement(list.First(), worker);
+            AssertElement(list.First(x => x.FIO == worker.FIO), worker);
         }
         [Test]
         public void Try_GetList_WhenNoRecords_Test()
@@ -49,11 +50,11 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_GetList_ByPostId_Test()
         {
             var postId = Guid.NewGuid().ToString();
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
             postId);
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
             postId);
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3");
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3");
             var list = _workerStorageContract.GetList(postId: postId);
             Assert.That(list, Is.Not.Null);
             Assert.That(list, Has.Count.EqualTo(2));
@@ -62,13 +63,13 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         [Test]
         public void Try_GetList_ByBirthDate_Test()
         {
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
             birthDate: DateTime.UtcNow.AddYears(-25));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
             birthDate: DateTime.UtcNow.AddYears(-21));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3",
             birthDate: DateTime.UtcNow.AddYears(-20));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4",
             birthDate: DateTime.UtcNow.AddYears(-19)); 
             var list = _workerStorageContract.GetList(fromBirthDate:
             DateTime.UtcNow.AddYears(-21).AddMinutes(-1), toBirthDate:
@@ -79,13 +80,13 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         [Test]
         public void Try_GetList_ByEmploymentDate_Test()
         {
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
             employmentDate: DateTime.UtcNow.AddDays(-2));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
             employmentDate: DateTime.UtcNow.AddDays(-1));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3",
             employmentDate: DateTime.UtcNow.AddDays(1));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4",
             employmentDate: DateTime.UtcNow.AddDays(2));
             var list = _workerStorageContract.GetList(fromEmploymentDate:
             DateTime.UtcNow.AddDays(-1).AddMinutes(-1), toEmploymentDate:
@@ -97,16 +98,16 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_GetList_ByAllParameters_Test()
         {
             var postId = Guid.NewGuid().ToString();
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1",
             postId, birthDate: DateTime.UtcNow.AddYears(-25), employmentDate:
             DateTime.UtcNow.AddDays(-2));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2",
             postId, birthDate: DateTime.UtcNow.AddYears(-22), employmentDate:
             DateTime.UtcNow.AddDays(-1));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3",
             postId, birthDate: DateTime.UtcNow.AddYears(-21), employmentDate:
             DateTime.UtcNow.AddDays(-1));
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4",
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4",
             birthDate: DateTime.UtcNow.AddYears(-20), employmentDate:
             DateTime.UtcNow.AddDays(1));
             var list = _workerStorageContract.GetList(postId: postId,
@@ -121,7 +122,7 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_GetElementById_WhenHaveRecord_Test()
         {
             var worker =
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
             AssertElement(_workerStorageContract.GetElementById(worker.Id),
             worker);
         }
@@ -135,7 +136,7 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_GetElementByFIO_WhenHaveRecord_Test()
         {
             var worker =
-            InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
             AssertElement(_workerStorageContract.GetElementByFIO(worker.FIO),
             worker);
         }
@@ -156,7 +157,7 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_AddElement_WhenHaveRecordWithSameId_Test()
         {
             var worker = CreateModel(Guid.NewGuid().ToString());
-            InsertWorkerToDatabaseAndReturn(worker.Id);
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(worker.Id);
             Assert.That(() => _workerStorageContract.AddElement(worker),
             Throws.TypeOf<ElementExistsException>());
         }
@@ -164,7 +165,7 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_UpdElement_Test()
         {
             var worker = CreateModel(Guid.NewGuid().ToString(), "New Fio");
-            InsertWorkerToDatabaseAndReturn(worker.Id);
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(worker.Id);
             _workerStorageContract.UpdElement(worker);
             AssertElement(GetWorkerFromDatabase(worker.Id), worker);
         }
@@ -179,15 +180,14 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_UpdElement_WhenNoRecordWasDeleted_Test()
         {
             var worker = CreateModel(Guid.NewGuid().ToString());
-            InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
             Assert.That(() => _workerStorageContract.UpdElement(worker),
             Throws.TypeOf<ElementNotFoundException>());
         }
         [Test]
         public void Try_DelElement_Test()
         { 
-        var worker =
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
             _workerStorageContract.DelElement(worker.Id);
             var element = GetWorkerFromDatabase(worker.Id);
             Assert.That(element, Is.Not.Null);
@@ -204,29 +204,10 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
         public void Try_DelElement_WhenNoRecordWasDeleted_Test()
         {
             var worker = CreateModel(Guid.NewGuid().ToString());
-            InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
+            SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
             Assert.That(() => _workerStorageContract.DelElement(worker.Id),
             Throws.TypeOf<ElementNotFoundException>());
         }
-        private Worker InsertWorkerToDatabaseAndReturn(string id, string fio =
-        "test", string? postId = null, DateTime? birthDate = null, DateTime?
-        employmentDate = null, bool isDeleted = false)
-        {
-            var worker = new Worker()
-            {
-                Id = id,
-                FIO = fio,
-                PostId = postId ??
-            Guid.NewGuid().ToString(),
-                BirthDate = birthDate ?? DateTime.UtcNow.AddYears(-
-            20),
-                EmploymentDate = employmentDate ?? DateTime.UtcNow,
-                IsDeleted = isDeleted
-            };
-            SmallSoftwareDbContext.Workers.Add(worker);
-            SmallSoftwareDbContext.SaveChanges();
-            return worker;
-        }
         private static void AssertElement(WorkerDataModel? actual, Worker expected)
         {
             Assert.That(actual, Is.Not.Null);

SmallSoftwareProject/SmallSoftwareTests/WebApiControllersApi/BaseWebApiControllerTest.cs

@@ -0,0 +1,63 @@
+using SmallSoftwareDatabase;
+using SmallSoftwareTests.Infrastructure;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using SmallSoftwareWebApi;
+using System.Text.Json;
+using System.Text;
+
+namespace SmallSoftwareTests.WebApiControllersApi;
+
+internal class BaseWebApiControllerTest
+{
+    private WebApplicationFactory<Program> _webApplication;
+    protected SmallSoftwareDbContext SmallSoftwareDbContext { get; private set; }
+    protected HttpClient HttpClient { get; private set; }
+
+    protected static readonly JsonSerializerOptions JsonSerializerOptions = new() { PropertyNameCaseInsensitive = true };
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _webApplication = new CustomWebApplicationFactory<Program>();
+        HttpClient = _webApplication
+        .WithWebHostBuilder(builder =>
+        {
+            builder.ConfigureTestServices(services =>
+            {
+                using var loggerFactory = new LoggerFactory();
+                loggerFactory.AddSerilog(new LoggerConfiguration()
+                    .ReadFrom.Configuration(new ConfigurationBuilder()
+                        .SetBasePath(Directory.GetCurrentDirectory())
+                        .AddJsonFile("appsettings.json")
+                        .Build())
+                    .CreateLogger()); 
+                services.AddSingleton(loggerFactory);
+             });
+        })
+        .CreateClient();
+        var request = HttpClient.GetAsync("/login/user").GetAwaiter().GetResult();
+        var data = request.Content.ReadAsStringAsync().GetAwaiter().GetResult();
+        HttpClient.DefaultRequestHeaders.Add("Authorization", $"Bearer {data}");
+        SmallSoftwareDbContext = _webApplication.Services.GetRequiredService<SmallSoftwareDbContext>();
+        SmallSoftwareDbContext.Database.EnsureDeleted();
+        SmallSoftwareDbContext.Database.EnsureCreated();
+    }
+    [OneTimeTearDown]
+    public void OneTimeTearDown()
+    {
+        SmallSoftwareDbContext?.Database.EnsureDeleted();
+        SmallSoftwareDbContext?.Dispose();
+        HttpClient?.Dispose();
+        _webApplication?.Dispose();
+    }
+
+    protected static async Task<T?> GetModelFromResponseAsync<T>(HttpResponseMessage response) =>
+        JsonSerializer.Deserialize<T>(await response.Content.ReadAsStringAsync(), JsonSerializerOptions);
+
+    protected static StringContent MakeContent(object model) => 
+        new(JsonSerializer.Serialize(model), Encoding.UTF8, "application/json");
+}

SmallSoftwareProject/SmallSoftwareTests/WebApiControllersApi/ManufacturerControllerTests.cs

@@ -0,0 +1,357 @@
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
+using System.Net;
+
+namespace SmallSoftwareTests.WebApiControllersApi;
+
+[TestFixture]
+internal class ManufacturerControllerTests : BaseWebApiControllerTest
+{
+    [TearDown]
+    public void TearDown()
+    {
+        SmallSoftwareDbContext.RemoveSoftwaresFromDatabase();
+        SmallSoftwareDbContext.RemoveManufacturersFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: "name 1");
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: "name 2");
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: "name 3");
+        //Act
+        var response = await HttpClient.GetAsync("/api/manufacturers");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<ManufacturerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == manufacturer.Id), manufacturer);
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/manufacturers");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<ManufacturerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/manufacturers/{manufacturer.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<ManufacturerViewModel>(response), manufacturer);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/manufacturers/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/manufacturers/{manufacturer.ManufacturerName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<ManufacturerViewModel>(response), manufacturer);
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/manufacturers/New%20Name");
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByOldName_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var oldName = "old name";
+        var manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(prevManufacturerName: oldName);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/manufacturers/{oldName}");
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<ManufacturerViewModel>(response), manufacturer);
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        var manufacturerModel = CreateModel();
+        //Act
+        var response = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(manufacturerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(SmallSoftwareDbContext.GetManufacturerFromDatabase(manufacturerModel.Id!), manufacturerModel);
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var manufacturerModel = CreateModel();
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(manufacturerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var manufacturerModel = CreateModel(manufacturerName: "unique name");
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: manufacturerModel.ManufacturerName!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(manufacturerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var manufacturerModelWithIdIncorrect = new ManufacturerBindingModel { Id = "Id", ManufacturerName = "name" };
+        var manufacturerModelWithNameIncorrect = new ManufacturerBindingModel { Id = Guid.NewGuid().ToString(), ManufacturerName = string.Empty };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(manufacturerModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(manufacturerModelWithNameIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacturerModel = CreateModel();
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerModel.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/manufacturers", MakeContent(manufacturerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        AssertElement(SmallSoftwareDbContext.GetManufacturerFromDatabase(manufacturerModel.Id!), manufacturerModel);
+    }
+
+    [Test]
+    public async Task Put_CheckPrevNames_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacturerModel1 = CreateModel(manufacturerName: "name 1");
+        var manufacturerModel2 = CreateModel(id: manufacturerModel1.Id, manufacturerName: "name 2");
+        var manufacturerModel3 = CreateModel(id: manufacturerModel1.Id, manufacturerName: "name 3");
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerModel1.Id);
+        //Act
+        await HttpClient.PutAsync($"/api/manufacturers", MakeContent(manufacturerModel1));
+        await HttpClient.PutAsync($"/api/manufacturers", MakeContent(manufacturerModel2));
+        await HttpClient.PutAsync($"/api/manufacturers", MakeContent(manufacturerModel3));
+        //Assert
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        var entityModel = SmallSoftwareDbContext.GetManufacturerFromDatabase(manufacturerModel1.Id!);
+        Assert.That(entityModel, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(entityModel.ManufacturerName, Is.EqualTo(manufacturerModel3.ManufacturerName));
+            Assert.That(entityModel.PrevManufacturerName, Is.EqualTo(manufacturerModel2.ManufacturerName));
+            Assert.That(entityModel.PrevPrevManufacturerName, Is.EqualTo(manufacturerModel1.ManufacturerName));
+        });
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var manufacturerModel = CreateModel();
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/manufacturers", MakeContent(manufacturerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var manufacturerModel = CreateModel(manufacturerName: "unique name");
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerModel.Id);
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: manufacturerModel.ManufacturerName!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/manufacturers", MakeContent(manufacturerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var manufacturerModelWithIdIncorrect = new ManufacturerBindingModel { Id = "Id", ManufacturerName = "name" };
+        var manufacturerModelWithNameIncorrect = new ManufacturerBindingModel { Id = Guid.NewGuid().ToString(), ManufacturerName = string.Empty };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PutAsync($"/api/manufacturers", MakeContent(manufacturerModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PutAsync($"/api/manufacturers", MakeContent(manufacturerModelWithNameIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/manufacturers", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/manufacturers", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacturerId = Guid.NewGuid().ToString();
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerId);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/manufacturers/{manufacturerId}");
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(SmallSoftwareDbContext.GetManufacturerFromDatabase(manufacturerId), Is.Null);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenHaveSoftwares_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacturerId = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn().Id;
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacturerId);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/manufacturers/{manufacturerId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/manufacturers/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/manufacturers/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(ManufacturerViewModel? actual, Manufacturer expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.ManufacturerName, Is.EqualTo(expected.ManufacturerName));
+            Assert.That(actual.PrevManufacturerName, Is.EqualTo(expected.PrevManufacturerName));
+            Assert.That(actual.PrevPrevManufacturerName, Is.EqualTo(expected.PrevPrevManufacturerName));
+        });
+    }
+
+    private static ManufacturerBindingModel CreateModel(string? id = null, string manufacturerName = "name")
+        => new()
+        {
+            Id = id ?? Guid.NewGuid().ToString(),
+            ManufacturerName = manufacturerName
+        };
+
+    private static void AssertElement(Manufacturer? actual, ManufacturerBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.ManufacturerName, Is.EqualTo(expected.ManufacturerName));
+        });
+    }
+}

SmallSoftwareProject/SmallSoftwareTests/WebApiControllersApi/PostControllerTests.cs

@@ -0,0 +1,471 @@
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.Enums;
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
+using System.Net;
+
+namespace SmallSoftwareTests.WebApiControllersApi;
+
+
+[TestFixture]
+internal class PostControllerTests : BaseWebApiControllerTest
+{
+    [TearDown]
+    public void TearDown()
+    {
+        SmallSoftwareDbContext.RemovePostsFromDatabase();
+    }
+
+    [Test]
+    public async Task GetRecords_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postName: "name 1");
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postName: "name 2");
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postName: "name 3");
+        //Act
+        var response = await HttpClient.GetAsync("/api/posts");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<PostViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == post.PostId), post);
+    }
+
+    [Test]
+    public async Task GetRecords_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/posts");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<ManufacturerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetHistory_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = Guid.NewGuid().ToString();
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postName: "name 1", isActual: true);
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posthistory/{postId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<PostViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+        AssertElement(data.First(x => x.Id == post.PostId), post);
+    }
+
+    [Test]
+    public async Task GetHistory_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = Guid.NewGuid().ToString();
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postName: "name 1", isActual: true);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posthistory/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<PostViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetHistory_WhenWrongData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posthistory/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<PostViewModel>(response), post);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<PostViewModel>(response), post);
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/New%20Name");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        var postModel = CreateModel();
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(SmallSoftwareDbContext.GetPostFromDatabaseByPostId(postModel.Id!), postModel);
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel(postName: "unique name");
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postName: postModel.PostName!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModelWithIdIncorrect = new PostBindingModel { Id = "Id", PostName = "name", PostType = PostType.Supervisor.ToString(), Salary = 10 };
+        var postModelWithNameIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Supervisor.ToString(), Salary = 10 };
+        var postModelWithPostTypeIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = string.Empty, Salary = 10 };
+        var postModelWithSalaryIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Supervisor.ToString(), Salary = -10 };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithNameIncorrect));
+        var responseWithPostTypeIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithPostTypeIncorrect));
+        var responseWithSalaryIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithSalaryIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPostTypeIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Type is incorrect");
+            Assert.That(responseWithSalaryIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Salary is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postModel.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        AssertElement(SmallSoftwareDbContext.GetPostFromDatabaseByPostId(postModel.Id!), postModel);
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postModel.Id, isActual: false);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel(postName: "unique name");
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postModel.Id);
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(postName: postModel.PostName!);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModelWithIdIncorrect = new PostBindingModel { Id = "Id", PostName = "name", PostType = PostType.Supervisor.ToString(), Salary = 10 };
+        var postModelWithNameIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Supervisor.ToString(), Salary = 10 };
+        var postModelWithPostTypeIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = string.Empty, Salary = 10 };
+        var postModelWithSalaryIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Supervisor.ToString(), Salary = -10 };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithNameIncorrect));
+        var responseWithPostTypeIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithPostTypeIncorrect));
+        var responseWithSalaryIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithSalaryIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPostTypeIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Type is incorrect");
+            Assert.That(responseWithSalaryIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Salary is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn().PostId;
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/{postId}");
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(SmallSoftwareDbContext.GetPostFromDatabaseByPostId(postId), Is.Null);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenRecordWasDeleted_Test()
+    {
+        //Arrange
+        var postId = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(isActual: false).PostId;
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/{postId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Patch_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(isActual: false).PostId;
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/{postId}", null);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(SmallSoftwareDbContext.GetPostFromDatabaseByPostId(postId), Is.Not.Null);
+        });
+    }
+
+    [Test]
+    public async Task Patch_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/{Guid.NewGuid()}", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Patch_WhenRecordNotWasDeleted_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn().PostId;
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/{postId}", null);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(SmallSoftwareDbContext.GetPostFromDatabaseByPostId(postId), Is.Not.Null);
+        });
+    }
+
+    [Test]
+    public async Task Patch_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/id", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(PostViewModel? actual, Post expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.PostId));
+            Assert.That(actual.PostName, Is.EqualTo(expected.PostName));
+            Assert.That(actual.PostType, Is.EqualTo(expected.PostType.ToString()));
+            Assert.That(actual.Salary, Is.EqualTo(expected.Salary));
+        });
+    }
+
+    private static PostBindingModel CreateModel(string? postId = null, string postName = "name", PostType postType = PostType.Supervisor, double salary = 10)
+        => new()
+        {
+            Id = postId ?? Guid.NewGuid().ToString(),
+            PostName = postName,
+            PostType = postType.ToString(),
+            Salary = salary
+        };
+
+    private static void AssertElement(Post? actual, PostBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.PostId, Is.EqualTo(expected.Id));
+            Assert.That(actual.PostName, Is.EqualTo(expected.PostName));
+            Assert.That(actual.PostType.ToString(), Is.EqualTo(expected.PostType));
+            Assert.That(actual.Salary, Is.EqualTo(expected.Salary));
+        });
+    }
+}

SmallSoftwareProject/SmallSoftwareTests/WebApiControllersApi/RequestControllerTests.cs

@@ -0,0 +1,369 @@
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
+using System.Net;
+
+namespace SmallSoftwareTests.WebApiControllersApi;
+
+[TestFixture]
+internal class RequestControllerTests : BaseWebApiControllerTest
+{
+    private string _workerId;
+    private string _manufacturerId;
+    private string _softwareId;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _workerId = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn().Id;
+        _manufacturerId = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn().Id;
+        _softwareId = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId).Id;
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        SmallSoftwareDbContext.RemoveRequestsFromDatabase();
+        SmallSoftwareDbContext.RemoveWorkersFromDatabase();
+        SmallSoftwareDbContext.RemoveSoftwaresFromDatabase();
+        SmallSoftwareDbContext.RemoveManufacturersFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", softwares: [(_softwareId, 10, 1.1)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", softwares: [(_softwareId, 10, 1.1)]);
+
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<RequestViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<RequestViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+
+    [Test]
+    public async Task GetList_ByWorkerId_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "Other worker");
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getworkerrecords?id={_workerId}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<RequestViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.WorkerId == _workerId));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByWorkerId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "Other worker");
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getworkerrecords?id={worker.Id}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<RequestViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+
+    [Test]
+    public async Task GetList_ByWorkerId_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getworkerrecords?id={_workerId}&fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByWorkerId_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getworkerrecords?id=Id&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_BySoftwareId_ShouldSuccess_Test()
+    {
+        //Arrange
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId, softwareName: "Other name");
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)], requestDate: DateTime.UtcNow.AddHours(12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", softwares: [(_softwareId, 1, 1.1), (software.Id, 4, 1.1)], requestDate: DateTime.UtcNow.AddHours(12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(software.Id, 10, 1.1)], requestDate: DateTime.UtcNow.AddHours(12));
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", softwares: [(software.Id, 1, 1.1), (_softwareId, 1, 1.1)], requestDate: DateTime.UtcNow.AddHours(12));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getsoftwarerecords?id={_softwareId}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<RequestViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.All(x => x.Softwares.Any(y => y.SoftwareId == _softwareId)));
+        });
+    }
+
+    [Test]
+    public async Task GetList_BySoftwareId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId, softwareName: "Other software");
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getsoftwarerecords?id={software.Id}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<RequestViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+
+    [Test]
+    public async Task GetList_BySoftwareId_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getsoftwarerecords?id={_softwareId}&fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_BySoftwareId_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getsoftwarerecords?id=Id&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test", sum: 10, true, softwares: [(_softwareId, 10, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getrecord/{request.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<RequestViewModel>(response), request);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, false, softwares: [(_softwareId, 10, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getrecord/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenRecordHasCanceled_ShouldSuccess_Test()
+    {
+        //Arrange
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "test@mail.ru", sum: 10, softwares: [(_softwareId, 1, 1.2)], isCancel: true);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getrecord/{request.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/requests/getrecord/Id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var requestId = Guid.NewGuid().ToString();
+        var requestModelWithIdIncorrect = new RequestBindingModel { Id = "Id", WorkerId = _workerId,  Softwares = [new InstallationRequestBindingModel { RequestId = requestId, SoftwareId = _softwareId, Count = 10, Price = 1.1 }] };
+        var requestModelWithWorkerIdIncorrect = new RequestBindingModel { Id = requestId, WorkerId = "Id", Softwares = [new InstallationRequestBindingModel { RequestId = requestId, SoftwareId = _softwareId, Count = 10, Price = 1.1 }] };
+        var requestModelWithBuyerIdIncorrect = new RequestBindingModel {Id = requestId, WorkerId = _workerId, Softwares = [new InstallationRequestBindingModel { RequestId = requestId, SoftwareId = _softwareId, Count = 10, Price = 1.1 }] };
+        var requestModelWithSoftwaresIncorrect = new RequestBindingModel { Id = requestId, WorkerId = _workerId, Softwares = null };
+        var requestModelWithSoftwareIdIncorrect = new RequestBindingModel {Id = requestId, WorkerId = _workerId, Softwares = [new InstallationRequestBindingModel { RequestId = requestId, SoftwareId = "Id", Count = 10, Price = 1.1 }] };
+        var requestModelWithCountIncorrect = new RequestBindingModel {Id = requestId, WorkerId = _workerId  , Softwares = [new InstallationRequestBindingModel { RequestId = requestId, SoftwareId = _softwareId, Count = -10, Price = 1.1 }] };
+        var requestModelWithPriceIncorrect = new RequestBindingModel {Id = requestId, WorkerId = _workerId, Softwares = [new InstallationRequestBindingModel { RequestId = requestId, SoftwareId = _softwareId, Count = 10, Price = -1.1 }] };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(requestModelWithIdIncorrect));
+        var responseWithWorkerIdIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(requestModelWithWorkerIdIncorrect));
+        var responseWithBuyerIdIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(requestModelWithBuyerIdIncorrect));
+        var responseWithSoftwaresIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(requestModelWithSoftwaresIncorrect));
+        var responseWithSoftwareIdIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(requestModelWithSoftwareIdIncorrect));
+        var responseWithCountIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(requestModelWithCountIncorrect));
+        var responseWithPriceIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(requestModelWithPriceIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "WorkerId is incorrect");
+            Assert.That(responseWithWorkerIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "WorkerId is incorrect");
+            Assert.That(responseWithBuyerIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "BuyerId is incorrect");
+            Assert.That(responseWithSoftwaresIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Softwares is incorrect");
+            Assert.That(responseWithSoftwareIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "SoftwareId is incorrect");
+            Assert.That(responseWithCountIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Count is incorrect");
+            Assert.That(responseWithPriceIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Price is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(string.Empty));
+        //Assert
+        
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "email@mail.ru", 10, false, softwares: [(_softwareId, 5, 1.1)]);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/requests/cancel/{request.Id}");
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(SmallSoftwareDbContext.GetRequestFromDatabaseById(request.Id)!.IsCancel);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "email@mail.ru", 10, false, softwares: [(_softwareId, 5, 1.1)]);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/requests/cancel/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenIsCanceled_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var request = SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(_workerId, "email@mail.ru", 10, true, softwares: [(_softwareId, 5, 1.1)]);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/requests/cancel/{request.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/requests/cancel/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(RequestViewModel? actual, Request expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.WorkerFIO, Is.EqualTo(expected.Worker!.FIO));
+            Assert.That(actual.IsCancel, Is.EqualTo(expected.IsCancel));
+        });
+
+        if (expected.InstallationRequests is not null)
+        {
+            Assert.That(actual.Softwares, Is.Not.Null);
+            Assert.That(actual.Softwares, Has.Count.EqualTo(expected.InstallationRequests.Count));
+            for (int i = 0; i < actual.Softwares.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Softwares[i].SoftwareId, Is.EqualTo(expected.InstallationRequests[i].SoftwareId));
+                    Assert.That(actual.Softwares[i].Count, Is.EqualTo(expected.InstallationRequests[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Softwares, Is.Null);
+        }
+    }
+
+    private static RequestBindingModel CreateModel(string workerId, string softwareId, string? id = null, int count = 1, double price = 1.1)
+    {
+        var requestId = id ?? Guid.NewGuid().ToString();
+        return new()
+        {
+            Id = requestId,
+            WorkerId = workerId,
+            Softwares = [new InstallationRequestBindingModel { RequestId = requestId, SoftwareId = softwareId, Count = count, Price = price }]
+        };
+    }
+
+
+}

SmallSoftwareProject/SmallSoftwareTests/WebApiControllersApi/SalaryControllerTests.cs

@@ -0,0 +1,253 @@
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
+using System;
+using System.Net;
+
+namespace SmallSoftwareTests.WebApiControllersApi;
+[TestFixture]
+internal class SalaryControllerTests : BaseWebApiControllerTest
+{
+    [TearDown]
+    public void TearDown()
+    {
+        SmallSoftwareDbContext.RemovePostsFromDatabase();
+        SmallSoftwareDbContext.RemoveRequestsFromDatabase(); 
+        SmallSoftwareDbContext.RemoveSoftwaresFromDatabase();
+        SmallSoftwareDbContext.RemoveManufacturersFromDatabase();
+        SmallSoftwareDbContext.RemoveSalariesFromDatabase();
+        SmallSoftwareDbContext.RemoveWorkersFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "Иванов И.И.");
+        var salary = SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, workerSalary: 100);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetList_OnlyInDatePeriod_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(-1).AddMinutes(5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(1).AddMinutes(-5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(1).AddMinutes(5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public async Task GetList_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getworkerrecords?fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker1 = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        var worker2 = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id);
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker2.Id);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getworkerrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&id={worker1.Id}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.WorkerId == worker1.Id));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_OnlyInDatePeriod_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker1 = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        var worker2 = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(-1).AddMinutes(5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker2.Id, salaryDate: DateTime.UtcNow.AddDays(-1).AddMinutes(5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(1).AddMinutes(-5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker2.Id, salaryDate: DateTime.UtcNow.AddDays(1).AddMinutes(-5));
+        SmallSoftwareDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getworkerrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&id={worker1.Id}");
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.WorkerId == worker1.Id));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getworkerrecords?fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&id={worker.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_WhenIdIsNotGuid_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salaries/getworkerrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&id=id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Calculate_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId: post.PostId);
+        var manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacturer.Id, softwareName: "test", isDeleted: false);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, email: "ntrrvj@mail.ru", sum: 1, false, softwares: [(software.Id, 10, 1.0)]);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salaries/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        var salaries = SmallSoftwareDbContext.GetSalariesFromDatabaseByWorkerId(worker.Id);
+        Assert.Multiple(() =>
+        {
+            Assert.That(salaries, Has.Length.EqualTo(1));
+            Assert.That(salaries.First().WorkerSalary, Is.EqualTo(10.1d));
+            Assert.That(salaries.First().SalaryDate.Month, Is.EqualTo(DateTime.UtcNow.Month));
+        });
+    }
+
+    [Test]
+    public async Task Calculate_WithoutWorkers_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salaries/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        var salaries = SmallSoftwareDbContext.Salaries.ToArray();
+        Assert.That(salaries, Has.Length.EqualTo(0));
+    }
+
+    [Test]
+    public async Task Calculate_WithoutRequestsByWorker_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn(salary: 111);
+        var worker1 = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId: post.PostId);
+        var worker2 = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId: post.PostId);
+        var manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacturer.Id,
+        softwareName: "test", isDeleted: false);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker1.Id,  email: "neeeeevj@mail.ru",sum: 2, softwares: [(software.Id, 10, 1.1)]);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker2.Id, email: "oiuy@mail.ru", sum: 2, softwares: [(software.Id, 10, 1.1)]);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salaries/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        var salary1 = SmallSoftwareDbContext.GetSalariesFromDatabaseByWorkerId(worker1.Id).First().WorkerSalary;
+        var salary2 = SmallSoftwareDbContext.GetSalariesFromDatabaseByWorkerId(worker2.Id).First().WorkerSalary;
+        Assert.That(salary1, Is.EqualTo(salary2));
+    }
+
+    [Test]
+    public async Task Calculate_PostNotFound_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId: Guid.NewGuid().ToString());
+        var manufacturer = SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn();
+        var software = SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacturer.Id,
+        softwareName: "test", isDeleted: false);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, email: "nvbvbvj@mail.ru", sum: 2, softwares: [(software.Id, 10, 1.1)], requestDate: DateTime.UtcNow);
+        SmallSoftwareDbContext.InsertRequestToDatabaseAndReturn(worker.Id, email: "qqq@mail.ru", sum: 2, softwares: [(software.Id, 10, 1.1)], requestDate: DateTime.UtcNow);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salaries/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        var responseContent = await response.Content.ReadAsStringAsync();
+        Console.WriteLine($"Response: {response.StatusCode}, Content: {responseContent}");
+
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    private static void AssertElement(SalaryViewModel? actual, Salary expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.WorkerFIO, Is.EqualTo(expected.Worker!.FIO));
+            Assert.That(actual.Salary, Is.EqualTo(expected.WorkerSalary));
+        });
+    }
+}

SmallSoftwareProject/SmallSoftwareTests/WebApiControllersApi/SoftwareControllerTests.cs

@@ -0,0 +1,708 @@
+
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.Enums;
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
+using System.Net;
+
+namespace SmallSoftwareTests.WebApiControllersApi;
+
+[TestFixture]
+internal class SoftwareControllerTests : BaseWebApiControllerTest
+{
+    private string _manufacturerId;
+    [SetUp]
+    public void SetUp()
+    {
+        _manufacturerId =
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn().Id;
+    }
+    [TearDown]
+    public void TearDown()
+    {
+        SmallSoftwareDbContext.RemoveSoftwaresFromDatabase();
+        SmallSoftwareDbContext.RemoveManufacturersFromDatabase();
+    } 
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 1");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 2");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 3");
+        //Act
+        var response = await
+        HttpClient.GetAsync("/api/softwares/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == software.Id), software);
+    }
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await
+        HttpClient.GetAsync("/api/softwares/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+    [Test]
+    public async Task GetList_OnlyActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 2", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 3", isDeleted: false);
+        //Act
+        var response = await
+        HttpClient.GetAsync("/api/softwares/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        { 
+        Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => !x.IsDeleted));
+        });
+    }
+    [Test]
+    public async Task GetList_IncludeNoActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 2", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 3", isDeleted: false);
+        //Act
+        var response = await
+        HttpClient.GetAsync("/api/softwares/getrecords?includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.Any(x => x.IsDeleted));
+            Assert.That(data.Any(x => !x.IsDeleted));
+        });
+    }
+    [Test]
+    public async Task GetList_ByManufacturer_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacruer =
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: "name 2");
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 2", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacruer.Id,
+        softwareName: "name 3", isDeleted: false);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getmanufacturerrecords?id={_manufacturerId}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.ManufacturerId ==
+            _manufacturerId));
+        });
+        AssertElement(data.First(x => x.Id == software.Id), software);
+    }
+    [Test] 
+    public async Task GetList_ByManufacturerOnlyActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        var manufacruer =
+        SmallSoftwareDbContext.InsertManufacturerToDatabaseAndReturn(manufacturerName: "name 2");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 1", isDeleted: true);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: "name 2", isDeleted: false);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(manufacruer.Id,
+        softwareName: "name 3", isDeleted: false);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getmanufacturerrecords?id={_manufacturerId}&includeDeleted = false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(1));
+            Assert.That(data.All(x => x.ManufacturerId == _manufacturerId
+            && !x.IsDeleted));
+        });
+    }
+    [Test]
+    public async Task GetList_ManufacturerIdIsNotGuid_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getmanufacturerrecords?id=id&includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task
+    GetHistoryBySoftwareId_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 20,
+        DateTime.UtcNow.AddDays(-1));
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 30,
+        DateTime.UtcNow.AddMinutes(-10));
+        var history =
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 40,
+        DateTime.UtcNow.AddDays(1));
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/gethistory?id={software.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareHistoryViewModel>>(response); 
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(3));
+        AssertElement(data[0], history);
+    }
+    [Test]
+    public async Task GetHistoryBySoftwareId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 20,
+        DateTime.UtcNow.AddDays(-1));
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 30,
+        DateTime.UtcNow.AddMinutes(-10));
+        SmallSoftwareDbContext.InsertSoftwareHistoryToDatabaseAndReturn(software.Id, 40,
+        DateTime.UtcNow.AddDays(1));
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/gethistory?id={Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<SoftwareViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+    [Test]
+    public async Task
+    GetHistoryBySoftwareId_SoftwareIdIsNotGuid_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/gethistory?id=id");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getrecord/{software.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await
+        GetModelFromResponseAsync<SoftwareViewModel>(response), software);
+    }
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId); 
+    //Act
+    var response = await
+    HttpClient.GetAsync($"/api/softwares/getrecord/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test]
+    public async Task
+    GetElement_ById_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId, isDeleted:
+        true);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getrecord/{software.Id}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test]
+    public async Task GetElement_ByName_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getrecord/{software.SoftwareName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await
+        GetModelFromResponseAsync<SoftwareViewModel>(response), software);
+    }
+    [Test]
+    public async Task GetElement_ByName_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getrecord/New%20Name");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test]
+    public async Task
+    GetElement_ByName_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var software =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId, isDeleted:
+        true);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/softwares/getrecord/{software.SoftwareName}"); 
+    //Assert
+Assert.That(response.StatusCode,
+Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        var softwareModel = CreateModel(_manufacturerId);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(softwareModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(SmallSoftwareDbContext.GetSoftwareFromDatabaseById(softwareModel.Id!), softwareModel);
+    }
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var softwareModel = CreateModel(_manufacturerId);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(softwareModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var softwareModel = CreateModel(_manufacturerId, softwareName: "unique name");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: softwareModel.SoftwareName!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(softwareModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var softwareModelWithIdIncorrect = new SoftwareBindingModel
+        {
+            Id = "Id",
+            ManufacturerId = _manufacturerId,
+            SoftwareName = "name",
+            Price = 100,
+            SoftwareType = SoftwareType.Windows.ToString()
+        };
+        var softwareModelWithNameIncorrect = new SoftwareBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            ManufacturerId = _manufacturerId,
+            SoftwareName = string.Empty,
+            Price = 100,
+            SoftwareType = SoftwareType.Windows.ToString()
+        };
+    var softwareModelWithSoftwareTypeIncorrect = new SoftwareBindingModel
+    {
+        Id = Guid.NewGuid().ToString(),
+        ManufacturerId = _manufacturerId,
+        SoftwareName =
+    "name",
+        Price = 100,
+        SoftwareType = string.Empty
+    };
+        var softwareModelWithPriceIncorrect = new SoftwareBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            ManufacturerId = _manufacturerId,
+            SoftwareName =
+        "name",
+            Price = 0,
+            SoftwareType = SoftwareType.Windows.ToString()
+        };
+        //Act
+        var responseWithIdIncorrect = await
+        HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(softwareModelWithIdIncorrect));
+        var responseWithNameIncorrect = await
+        HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(softwareModelWithNameIncorrect));
+        var responseWithSoftwareTypeIncorrect = await
+        HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(softwareModelWithSoftwareTypeIncorrect));
+        var responseWithPriceIncorrect = await
+        HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(softwareModelWithPriceIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithSoftwareTypeIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPriceIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+        });
+    }
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/softwares/register",MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/softwares/register",
+        MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var softwareModel = CreateModel(_manufacturerId);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareModel.Id);
+        //Act 
+    var response = await HttpClient.PutAsync($"/api/softwares/changeinfo",
+    MakeContent(softwareModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NoContent));
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        AssertElement(SmallSoftwareDbContext.GetSoftwareFromDatabaseById(softwareModel.Id!), softwareModel);
+    }
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var softwareModel = CreateModel(_manufacturerId);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(softwareModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var softwareModel = CreateModel(_manufacturerId, softwareName: "unique name");
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId, softwareModel.Id);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareName: softwareModel.SoftwareName!);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(softwareModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var softwareModel = CreateModel(_manufacturerId);
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareModel.Id, isDeleted: true);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(softwareModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange 
+    var softwareModelWithIdIncorrect = new SoftwareBindingModel
+    {
+        Id = "Id",
+        ManufacturerId = _manufacturerId,
+        SoftwareName = "name",
+        Price = 100,
+        SoftwareType = SoftwareType.Windows.ToString()
+    };
+        var softwareModelWithNameIncorrect = new SoftwareBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            ManufacturerId = _manufacturerId,
+            SoftwareName =
+        string.Empty,
+            Price = 100,
+            SoftwareType = SoftwareType.Windows.ToString()
+        };
+        var softwareModelWithSoftwareTypeIncorrect = new SoftwareBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            ManufacturerId = _manufacturerId,
+            SoftwareName =
+        "name",
+            Price = 100,
+            SoftwareType = string.Empty
+        };
+        var softwareModelWithPriceIncorrect = new SoftwareBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            ManufacturerId = _manufacturerId,
+            SoftwareName =
+        "name",
+            Price = 0,
+            SoftwareType = SoftwareType.Windows.ToString()
+        };
+        //Act
+        var responseWithIdIncorrect = await
+        HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(softwareModelWithIdIncorrect));
+        var responseWithNameIncorrect = await
+        HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(softwareModelWithNameIncorrect));
+        var responseWithSoftwareTypeIncorrect = await
+        HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(softwareModelWithSoftwareTypeIncorrect));
+        var responseWithPriceIncorrect = await
+        HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(softwareModelWithPriceIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithSoftwareTypeIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPriceIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+        });
+    }
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/softwares/changeinfo",
+        MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    { 
+    //Arrange
+var softwareId = Guid.NewGuid().ToString();
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId,
+        softwareId);
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/softwares/delete/{softwareId}");
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode,
+            Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(SmallSoftwareDbContext.GetSoftwareFromDatabaseById(softwareId)!.IsDeleted);
+        });
+    }
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId);
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/softwares/delete/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Delete_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var softwareId =
+        SmallSoftwareDbContext.InsertSoftwareToDatabaseAndReturn(_manufacturerId, isDeleted:
+        true).Id;
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/softwares/delete/{softwareId}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/softwares/delete/id");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    private static void AssertElement(SoftwareViewModel? actual, Software expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() => 
+    {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.ManufacturerId,
+            Is.EqualTo(expected.ManufacturerId));
+            Assert.That(actual.SoftwareName,
+            Is.EqualTo(expected.SoftwareName));
+            Assert.That(actual.SoftwareType,
+            Is.EqualTo(expected.SoftwareType.ToString()));
+            Assert.That(actual.Price, Is.EqualTo(expected.Price));
+            Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
+            Assert.That(actual.ManufacturerName,
+            Is.EqualTo(expected.Manufacturer!.ManufacturerName));
+        });
+    }
+    private static void AssertElement(SoftwareHistoryViewModel? actual,
+    SoftwareHistory expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.SoftwareName,
+            Is.EqualTo(expected.Software!.SoftwareName));
+            Assert.That(actual.OldPrice, Is.EqualTo(expected.OldPrice));
+            Assert.That(actual.ChangeDate.ToString(),
+            Is.EqualTo(expected.ChangeDate.ToString()));
+        });
+    }
+    private static SoftwareBindingModel CreateModel(string manufacturerId,
+    string? id = null, string softwareName = "name", SoftwareType softwareType =
+    SoftwareType.Windows, double price = 1)
+    => new()
+    {
+        Id = id ?? Guid.NewGuid().ToString(),
+        ManufacturerId = manufacturerId,
+        SoftwareName = softwareName,
+        SoftwareType = softwareType.ToString(),
+        Price = price
+    };
+    private static void AssertElement(Software? actual, SoftwareBindingModel
+    expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.ManufacturerId,
+            Is.EqualTo(expected.ManufacturerId));
+            Assert.That(actual.SoftwareName,
+            Is.EqualTo(expected.SoftwareName));
+            Assert.That(actual.SoftwareType.ToString(),
+            Is.EqualTo(expected.SoftwareType));
+            Assert.That(actual.Price, Is.EqualTo(expected.Price));
+            Assert.That(!actual.IsDeleted);
+        });
+    }
+}
+

SmallSoftwareProject/SmallSoftwareTests/WebApiControllersApi/WorkerControllerTests.cs

@@ -0,0 +1,682 @@
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareDatabase.Models;
+using SmallSoftwareTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SmallSoftwareTests.WebApiControllersApi;
+
+
+[TestFixture]
+internal class WorkerControllerTests : BaseWebApiControllerTest
+{
+    private Post _post;
+    [SetUp]
+    public void SetUp()
+    {
+        _post = SmallSoftwareDbContext.InsertPostToDatabaseAndReturn();
+    } 
+    [TearDown]
+    public void TearDown()
+    {
+        SmallSoftwareDbContext.RemovePostsFromDatabase();
+        SmallSoftwareDbContext.RemoveWorkersFromDatabase();
+    }
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio:
+        "fio 1", postId: _post.PostId)
+        .AddPost(_post);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2",
+        postId: _post.PostId);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3",
+        postId: _post.PostId);
+        //Act
+        var response = await HttpClient.GetAsync("/api/workers/getrecords");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == worker.Id), worker);
+    }
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/workers/getrecords");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+    [Test]
+    public async Task GetList_OnlyActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1",
+        postId: _post.PostId, isDeleted: true);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2",
+        postId: _post.PostId, isDeleted: false);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3",
+        postId: _post.PostId, isDeleted: false);
+        //Act
+        var response = await
+        HttpClient.GetAsync("/api/workers/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK)); 
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => !x.IsDeleted));
+        });
+    }
+    [Test]
+    public async Task GetList_IncludeNoActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1",
+        postId: _post.PostId, isDeleted: true);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2",
+        postId: _post.PostId, isDeleted: true);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3",
+        postId: _post.PostId, isDeleted: false);
+        //Act
+        var response = await
+        HttpClient.GetAsync("/api/workers/getrecords?includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.Any(x => x.IsDeleted));
+            Assert.That(data.Any(x => !x.IsDeleted));
+        });
+    }
+    [Test]
+    public async Task GetList_ByPostId_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1",
+        postId: _post.PostId);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2",
+        postId: _post.PostId);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3",
+        postId: _post.PostId, isDeleted: true);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4");
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getpostrecords?id={_post.PostId}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.All(x => x.PostId == _post.PostId));
+        });
+    }
+    [Test] 
+    public async Task GetList_ByPostId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1",
+        postId: _post.PostId);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4");
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getpostrecords?id={Guid.NewGuid()}&includeDeleted = true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+    [Test]
+    public async Task
+    GetList_ByPostId_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getpostrecords?id=id&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task GetList_ByBirthDate_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1",
+        birthDate: DateTime.UtcNow.AddYears(-25));
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2",
+        birthDate: DateTime.UtcNow.AddYears(-21));
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3",
+        birthDate: DateTime.UtcNow.AddYears(-20), isDeleted: true);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4",
+        birthDate: DateTime.UtcNow.AddYears(-19));
+        //Act
+        var fromDate = DateTime.UtcNow.AddYears(-21).AddMinutes(-1).ToString("o");
+        var toDate = DateTime.UtcNow.AddYears(-20).AddMinutes(1).ToString("o");
+        var response = await HttpClient
+            .GetAsync($"/api/workers/getbirthdaterecords?fromDate={fromDate}&toDate={toDate}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+    }
+    [Test]
+    public async Task
+    GetList_ByBirthDate_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act 
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getbirthdaterecords?fromDate={DateTime.UtcNow.
+        AddMinutes(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddMinutes(-
+        1):MM/dd/yyyy HH:mm:ss}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task GetList_ByEmploymentDate_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1",
+        employmentDate: DateTime.UtcNow.AddDays(-2));
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2",
+        employmentDate: DateTime.UtcNow.AddDays(-1));
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3",
+        employmentDate: DateTime.UtcNow.AddDays(1), isDeleted: true);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4",
+        employmentDate: DateTime.UtcNow.AddDays(2));
+        //Act
+
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getemploymentrecords?fromDate={DateTime.UtcNow
+        .AddDays(-1).AddMinutes(-1):o}&toDate={DateTime.UtcNow
+        .AddDays(1).AddMinutes(1):o}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await
+        GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+    }
+    [Test]
+    public async Task
+    GetList_ByEmploymentDate_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getemploymentrecords?fromDate={DateTime.UtcNow
+        .AddMinutes(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddMinutes(-
+        1):MM/dd/yyyy HH:mm:ss}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker =
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId:
+        _post.PostId).AddPost(_post);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getrecord/{worker.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK)); 
+    AssertElement(await
+    GetModelFromResponseAsync<WorkerViewModel>(response), worker);
+    }
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getrecord/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test]
+    public async Task
+    GetElement_ById_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var worker =
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId: _post.PostId,
+        isDeleted: true);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getrecord/{worker.Id}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test]
+    public async Task GetElement_ByFIO_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker =
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId:
+        _post.PostId).AddPost(_post);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getrecord/{worker.FIO}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await
+        GetModelFromResponseAsync<WorkerViewModel>(response), worker);
+    }
+    [Test]
+    public async Task GetElement_ByFIO_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getrecord/New%20Fio");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test] 
+    public async Task
+    GetElement_ByFIO_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var worker =
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(postId: _post.PostId,
+        isDeleted: true);
+        //Act
+        var response = await
+        HttpClient.GetAsync($"/api/workers/getrecord/{worker.FIO}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NotFound));
+    }
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        var workerModel = CreateModel(_post.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(SmallSoftwareDbContext.GetWorkerFromDatabaseById(workerModel.Id!
+        ), workerModel);
+    }
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(workerModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModelWithIdIncorrect = new WorkerBindingModel
+        {
+            Id = "Id",
+            FIO = "fio",
+            BirthDate = DateTime.UtcNow.AddYears(-22),
+            EmploymentDate =
+        DateTime.UtcNow.AddDays(-5),
+            PostId = _post.Id
+        };
+        var workerModelWithFioIncorrect = new WorkerBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            FIO = string.Empty,
+            BirthDate =
+        DateTime.UtcNow.AddYears(-22),
+            EmploymentDate = DateTime.UtcNow.AddDays(-5),
+            PostId = _post.Id
+        };
+        var workerModelWithPostIdIncorrect = new WorkerBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            FIO = "fio",
+            BirthDate = DateTime.UtcNow.AddYears(-
+        22),
+            EmploymentDate = DateTime.UtcNow.AddDays(-5),
+            PostId = "Id"
+        };
+        var workerModelWithBirthDateIncorrect = new WorkerBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            FIO = "fio",
+            BirthDate = DateTime.UtcNow.AddYears(-
+        15),
+            EmploymentDate = DateTime.UtcNow.AddDays(-5),
+            PostId = _post.Id
+        };
+        //Act 
+        var responseWithIdIncorrect = await
+        HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(workerModelWithIdIncorrect));
+        var responseWithFioIncorrect = await
+        HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(workerModelWithFioIncorrect));
+        var responseWithPostIdIncorrect = await
+        HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(workerModelWithPostIdIncorrect));
+        var responseWithBirthDateIncorrect = await
+        HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(workerModelWithBirthDateIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithFioIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Fio is incorrect");
+            Assert.That(responseWithPostIdIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "PostId is incorrect");
+            Assert.That(responseWithBirthDateIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "BirthDate is incorrect");
+        });
+    }
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register",
+        MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id);
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(workerModel.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.NoContent));
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        AssertElement(SmallSoftwareDbContext.GetWorkerFromDatabaseById(workerModel.Id!), workerModel); 
+    }
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id, fio: "new fio");
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id, fio: "new fio");
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(workerModel.Id,
+        isDeleted: true);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModelWithIdIncorrect = new WorkerBindingModel
+        {
+            Id = "Id",
+            FIO = "fio",
+            BirthDate = DateTime.UtcNow.AddYears(-22),
+            EmploymentDate =
+        DateTime.UtcNow.AddDays(-5),
+            PostId = _post.Id
+        };
+        var workerModelWithFioIncorrect = new WorkerBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            FIO = string.Empty,
+            BirthDate =
+        DateTime.UtcNow.AddYears(-22),
+            EmploymentDate = DateTime.UtcNow.AddDays(-5),
+            PostId = _post.Id
+        };
+        var workerModelWithPostIdIncorrect = new WorkerBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            FIO = "fio",
+            BirthDate = DateTime.UtcNow.AddYears(-
+        22),
+            EmploymentDate = DateTime.UtcNow.AddDays(-5),
+            PostId = "Id"
+        };
+        var workerModelWithBirthDateIncorrect = new WorkerBindingModel
+        {
+            Id =
+        Guid.NewGuid().ToString(),
+            FIO = "fio",
+            BirthDate = DateTime.UtcNow.AddYears(-
+        15),
+            EmploymentDate = DateTime.UtcNow.AddDays(-5),
+            PostId = _post.Id
+        };
+        //Act
+        var responseWithIdIncorrect = await
+        HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(workerModelWithIdIncorrect));
+        var responseWithFioIncorrect = await
+        HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(workerModelWithFioIncorrect));
+        var responseWithPostIdIncorrect = await
+        HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(workerModelWithPostIdIncorrect));
+        var responseWithBirthDateIncorrect = await
+        HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(workerModelWithBirthDateIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        { 
+        Assert.That(responseWithIdIncorrect.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithFioIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "Fio is incorrect");
+            Assert.That(responseWithPostIdIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "PostId is incorrect");
+            Assert.That(responseWithBirthDateIncorrect.StatusCode,
+            Is.EqualTo(HttpStatusCode.BadRequest), "BirthDate is incorrect");
+        });
+    }
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo",
+        MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var workerId = Guid.NewGuid().ToString();
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(workerId);
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/workers/delete/{workerId}");
+        SmallSoftwareDbContext.ChangeTracker.Clear();
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode,
+            Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(SmallSoftwareDbContext.GetWorkerFromDatabaseById(workerId)!.IsDeleted);
+        });
+    }
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/workers/delete/{Guid.NewGuid()}");
+        //Assert 
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/workers/delete/id");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    [Test]
+    public async Task Delete_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerId =
+        SmallSoftwareDbContext.InsertWorkerToDatabaseAndReturn(isDeleted: true).Id;
+        //Act
+        var response = await
+        HttpClient.DeleteAsync($"/api/workers/delete/{workerId}");
+        //Assert
+        Assert.That(response.StatusCode,
+        Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+    private static void AssertElement(WorkerViewModel? actual, Worker expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.PostId, Is.EqualTo(expected.PostId));
+            Assert.That(actual.PostName,
+            Is.EqualTo(expected.Post!.PostName));
+            Assert.That(actual.FIO, Is.EqualTo(expected.FIO));
+            Assert.That(actual.BirthDate.ToString(),
+            Is.EqualTo(expected.BirthDate.ToString()));
+            Assert.That(actual.EmploymentDate.ToString(),
+            Is.EqualTo(expected.EmploymentDate.ToString()));
+            Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
+        });
+    }
+    private static WorkerBindingModel CreateModel(string postId, string? id =
+    null, string fio = "fio", DateTime? birthDate = null, DateTime? employmentDate =
+    null)
+    {
+        return new()
+        {
+            Id = id ?? Guid.NewGuid().ToString(),
+            FIO = fio,
+            BirthDate = birthDate ?? DateTime.UtcNow.AddYears(-22),
+            EmploymentDate = employmentDate ?? DateTime.UtcNow.AddDays(-
+        5),
+            PostId = postId
+        };
+    }
+    private static void AssertElement(Worker? actual, WorkerBindingModel
+    expected) 
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+            {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.PostId, Is.EqualTo(expected.PostId));
+            Assert.That(actual.FIO, Is.EqualTo(expected.FIO));
+            Assert.That(actual.BirthDate.ToString(), Is.EqualTo(expected.BirthDate.ToString()));
+            Assert.That(actual.EmploymentDate.ToString(), Is.EqualTo(expected.EmploymentDate.ToString()));
+            Assert.That(!actual.IsDeleted);
+            });
+    }
+}

SmallSoftwareProject/SmallSoftwareTests/appsettings.json

@@ -0,0 +1,18 @@
+{
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": {
+      "Default": "Information"
+    },
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "../logs/smallsoftware-.log",
+          "rollingInterval": "Day",
+          "outputTemplate": "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} { CorrelationId } { Level:u3} { Username } { Message: lj} { Exception } { NewLine }"         
+        }
+      }
+    ]
+  }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Adapters/ManufacturerAdapter.cs

@@ -0,0 +1,195 @@
+using AutoMapper;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.BusinessLogicsContracts;
+using SmallSoftwareContracts.DataModels;
+using SmallSoftwareContracts.Exceptions;
+using SmallSoftwareContracts.ViewModels;
+
+namespace SmallSoftwareWebApi.Adapters;
+
+public class ManufacturerAdapter : IManufacturerAdapter
+{
+    private readonly IManufacturerBusinessLogicContract _manufacturerBusinessLogicContract;
+    private readonly ILogger _logger;
+    private readonly Mapper _mapper;
+    public ManufacturerAdapter(IManufacturerBusinessLogicContract manufacturerBusinessLogicContract, ILogger<ManufacturerAdapter> logger)
+    {
+        _manufacturerBusinessLogicContract = manufacturerBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<ManufacturerBindingModel, ManufacturerDataModel>();
+            cfg.CreateMap<ManufacturerDataModel, ManufacturerViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+    public ManufacturerOperationResponse GetList()
+    {
+        try
+        {
+            return ManufacturerOperationResponse.OK([..
+            _manufacturerBusinessLogicContract.GetAllManufacturers().Select(x =>
+            _mapper.Map<ManufacturerViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return ManufacturerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return
+            ManufacturerOperationResponse.InternalServerError($"Error while working with data storage: { ex.InnerException!.Message} ");
+        }
+        catch (Exception ex)
+        { 
+        _logger.LogError(ex, "Exception");
+            return
+            ManufacturerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public ManufacturerOperationResponse GetElement(string data)
+    {
+        try
+        {
+            return
+            ManufacturerOperationResponse.OK(_mapper.Map<ManufacturerViewModel>(_manufacturerBusinessLogicContract.GetManufacturerByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return ManufacturerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return ManufacturerOperationResponse.NotFound($"Not found element by data { data} ");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return
+            ManufacturerOperationResponse.InternalServerError($"Error while working with data storage: { ex.InnerException!.Message} ");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            ManufacturerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public ManufacturerOperationResponse
+    RegisterManufacturer(ManufacturerBindingModel manufacturerModel)
+    {
+        try
+        {
+            _manufacturerBusinessLogicContract.InsertManufacturer(_mapper.Map < ManufacturerDataModel > (manufacturerModel));
+            return ManufacturerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return ManufacturerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return ManufacturerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message} ");
+        }
+        catch (ElementExistsException ex) 
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return ManufacturerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return ManufacturerOperationResponse.BadRequest($"Error while working with data storage: { ex.InnerException!.Message} ");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            ManufacturerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public ManufacturerOperationResponse
+    ChangeManufacturerInfo(ManufacturerBindingModel manufacturerModel)
+    {
+        try
+        {
+            _manufacturerBusinessLogicContract.UpdateManufacturer(_mapper.Map < ManufacturerDataModel > (manufacturerModel));
+            return ManufacturerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return ManufacturerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return ManufacturerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return ManufacturerOperationResponse.BadRequest($"Not found element by Id { manufacturerModel.Id} ");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return ManufacturerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return ManufacturerOperationResponse
+                .BadRequest($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            ManufacturerOperationResponse.InternalServerError(ex.Message);
+        }
+    } 
+    public ManufacturerOperationResponse RemoveManufacturer(string id)
+    {
+        try
+        {
+            _manufacturerBusinessLogicContract.DeleteManufacturer(id);
+            return ManufacturerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return ManufacturerOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return ManufacturerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message} ");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return ManufacturerOperationResponse.BadRequest($"Not found element by id: { id} ");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return ManufacturerOperationResponse
+                .BadRequest($"Error while working with data storage: { ex.InnerException!.Message} ");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            ManufacturerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Adapters/PostAdapter.cs

@@ -0,0 +1,269 @@
+using AutoMapper;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.BusinessLogicsContracts;
+using SmallSoftwareContracts.DataModels;
+using SmallSoftwareContracts.Exceptions;
+using SmallSoftwareContracts.ViewModels;
+
+namespace SmallSoftwareWebApi.Adapters;
+
+public class PostAdapter : IPostAdapter
+{
+    private readonly IPostBusinessLogicContract _postBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public PostAdapter(IPostBusinessLogicContract postBusinessLogicContract, ILogger<PostAdapter> logger)
+    {
+        _postBusinessLogicContract = postBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<PostBindingModel, PostDataModel>();
+            cfg.CreateMap<PostDataModel, PostViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public PostOperationResponse GetList()
+    {
+        try
+        {
+            return PostOperationResponse
+                .OK([.. _postBusinessLogicContract.GetAllPosts().Select(x => _mapper.Map<PostViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return PostOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse GetHistory(string id)
+    {
+        try
+        {
+            return PostOperationResponse.OK([.. _postBusinessLogicContract.GetAllDataOfPost(id).Select(x => _mapper.Map<PostViewModel>(x))]);
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse GetElement(string data)
+    {
+        try
+        {
+            return PostOperationResponse.OK(_mapper.Map<PostViewModel>(_postBusinessLogicContract.GetPostByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.NotFound($"Not found element by data {data}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return PostOperationResponse.BadRequest($"Element by data: {data} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse RegisterPost(PostBindingModel postModel)
+    {
+        try
+        {
+            _postBusinessLogicContract.InsertPost(_mapper.Map<PostDataModel>(postModel));
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return PostOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse ChangePostInfo(PostBindingModel postModel)
+    {
+        try
+        {
+            _postBusinessLogicContract.UpdatePost(_mapper.Map<PostDataModel>(postModel));
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.BadRequest($"Not found element by Id {postModel.Id}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return PostOperationResponse.BadRequest(ex.Message);
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return PostOperationResponse.BadRequest($"Element by id: {postModel.Id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse RemovePost(string id)
+    {
+        try
+        {
+            _postBusinessLogicContract.DeletePost(id);
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return PostOperationResponse.BadRequest($"Element by id: {id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse RestorePost(string id)
+    {
+        try
+        {
+            _postBusinessLogicContract.RestorePost(id);
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+
+}

SmallSoftwareProject/SmallSoftwareWebApi/Adapters/RequestAdapter.cs

@@ -0,0 +1,232 @@
+using AutoMapper;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.BusinessLogicsContracts;
+using SmallSoftwareContracts.DataModels;
+using SmallSoftwareContracts.Exceptions;
+using SmallSoftwareContracts.ViewModels;
+
+namespace SmallSoftwareWebApi.Adapters;
+
+public class RequestAdapter : IRequestAdapter
+{
+    private readonly IRequestBusinessLogicContract _requestBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public RequestAdapter(IRequestBusinessLogicContract requestBusinessLogicContract, ILogger<RequestAdapter> logger)
+    {
+        _requestBusinessLogicContract = requestBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<RequestBindingModel, RequestDataModel>();
+            cfg.CreateMap<RequestDataModel, RequestViewModel>();
+            cfg.CreateMap<InstallationRequestBindingModel, InstallationRequestDataModel>();
+            cfg.CreateMap<InstallationRequestDataModel, InstallationRequestViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public RequestOperationResponse GetList(DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return RequestOperationResponse.OK([.. _requestBusinessLogicContract.GetAllRequestsByPeriod(fromDate, toDate).Select(x => _mapper.Map<RequestViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return RequestOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return RequestOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return RequestOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return RequestOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public RequestOperationResponse GetWorkerList(string id, DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return RequestOperationResponse.OK([.. _requestBusinessLogicContract.GetAllRequestsByWorkerByPeriod(id, fromDate, toDate).Select(x => _mapper.Map<RequestViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return RequestOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return RequestOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return RequestOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return RequestOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return RequestOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+   
+
+    public RequestOperationResponse GetSoftwareList(string id, DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return RequestOperationResponse.OK([.. _requestBusinessLogicContract.GetAllRequestsBySoftwareByPeriod(id, fromDate, toDate).Select(x => _mapper.Map<RequestViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return RequestOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return RequestOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return RequestOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return RequestOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return RequestOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public RequestOperationResponse GetElement(string id)
+    {
+        try
+        {
+            return RequestOperationResponse.OK(_mapper.Map<RequestViewModel>(_requestBusinessLogicContract.GetRequestByData(id)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return RequestOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return RequestOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return RequestOperationResponse.NotFound($"Not found element by data {id}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return RequestOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return RequestOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public RequestOperationResponse MakeRequest(RequestBindingModel requestModel)
+    {
+        try
+        {
+            var data = _mapper.Map<RequestDataModel>(requestModel);
+            _requestBusinessLogicContract.InsertRequest(_mapper.Map<RequestDataModel>(requestModel));
+            return RequestOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return RequestOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return RequestOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return RequestOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return RequestOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public RequestOperationResponse CancelRequest(string id)
+    {
+        try
+        {
+            _requestBusinessLogicContract.CancelRequest(id);
+            return RequestOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return RequestOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return RequestOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return RequestOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return RequestOperationResponse.BadRequest($"Element by id: {id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return RequestOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return RequestOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+}

SmallSoftwareProject/SmallSoftwareWebApi/Adapters/SalaryAdapter.cs

@@ -0,0 +1,119 @@
+using AutoMapper;
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BusinessLogicsContracts;
+using SmallSoftwareContracts.Exceptions;
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareContracts.DataModels;
+
+namespace SmallSoftwareWebApi.Adapters;
+
+public class SalaryAdapter : ISalaryAdapter
+{
+    private readonly ISalaryBusinessLogicContract _salaryBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public SalaryAdapter(ISalaryBusinessLogicContract salaryBusinessLogicContract, ILogger<SalaryAdapter> logger)
+    {
+        _salaryBusinessLogicContract = salaryBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<SalaryDataModel, SalaryViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public SalaryOperationResponse GetListByPeriod(DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return SalaryOperationResponse.OK([.. _salaryBusinessLogicContract.GetAllSalariesByPeriod(fromDate, toDate).Select(x => _mapper.Map<SalaryViewModel>(x))]);
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SalaryOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return SalaryOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SalaryOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SalaryOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SalaryOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SalaryOperationResponse GetListByPeriodByWorker(DateTime fromDate, DateTime toDate, string workerId)
+    {
+        try
+        {
+            return SalaryOperationResponse.OK([.. _salaryBusinessLogicContract.GetAllSalariesByPeriodByWorker(fromDate, toDate, workerId).Select(x => _mapper.Map<SalaryViewModel>(x))]);
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SalaryOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return SalaryOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SalaryOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SalaryOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SalaryOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SalaryOperationResponse CalculateSalary(DateTime date)
+    {
+        try
+        {
+            _salaryBusinessLogicContract.CalculateSalaryByMonth(date);
+            return SalaryOperationResponse.NoContent();
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SalaryOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SalaryOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SalaryOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Adapters/SoftwareAdapter.cs

@@ -0,0 +1,266 @@
+using AutoMapper;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.BusinessLogicsContracts;
+using SmallSoftwareContracts.DataModels;
+using SmallSoftwareContracts.Exceptions;
+using SmallSoftwareContracts.ViewModels;
+
+namespace SmallSoftwareWebApi.Adapters;
+
+public class SoftwareAdapter : ISoftwareAdapter
+{
+    private readonly ISoftwareBusinessLogicContract _softwareBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public SoftwareAdapter(ISoftwareBusinessLogicContract softwareBusinessLogicContract, ILogger<SoftwareAdapter> logger)
+    {
+        _softwareBusinessLogicContract = softwareBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<SoftwareBindingModel, SoftwareDataModel>();
+            cfg.CreateMap<SoftwareDataModel, SoftwareViewModel>();
+            cfg.CreateMap<SoftwareHistoryDataModel, SoftwareHistoryViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public SoftwareOperationResponse GetList(bool includeDeleted)
+    {
+        try
+        {
+            return SoftwareOperationResponse.OK([.. _softwareBusinessLogicContract.GetAllSoftwares(!includeDeleted).Select(x => _mapper.Map<SoftwareViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SoftwareOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SoftwareOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SoftwareOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SoftwareOperationResponse GetManufacturerList(string id, bool includeDeleted)
+    {
+        try
+        {
+            return SoftwareOperationResponse.OK([.. _softwareBusinessLogicContract.GetAllSoftwaresByManufacturer(id, !includeDeleted).Select(x => _mapper.Map<SoftwareViewModel>(x))]);
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SoftwareOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SoftwareOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SoftwareOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SoftwareOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SoftwareOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SoftwareOperationResponse GetHistory(string id)
+    {
+        try
+        {
+            return SoftwareOperationResponse.OK([.. _softwareBusinessLogicContract.GetSoftwareHistoryBySoftware(id).Select(x => _mapper.Map<SoftwareHistoryViewModel>(x))]);
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SoftwareOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SoftwareOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SoftwareOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SoftwareOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SoftwareOperationResponse GetElement(string data)
+    {
+        try
+        {
+            return SoftwareOperationResponse.OK(_mapper.Map<SoftwareViewModel>(_softwareBusinessLogicContract.GetSoftwareByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SoftwareOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return SoftwareOperationResponse.NotFound($"Not found element by data {data}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return SoftwareOperationResponse.BadRequest($"Element by data: {data} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SoftwareOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SoftwareOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SoftwareOperationResponse RegisterSoftware(SoftwareBindingModel softwareModel)
+    {
+        try
+        {
+            _softwareBusinessLogicContract.InsertSoftware(_mapper.Map<SoftwareDataModel>(softwareModel));
+            return SoftwareOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SoftwareOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SoftwareOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return SoftwareOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SoftwareOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SoftwareOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SoftwareOperationResponse ChangeSoftwareInfo(SoftwareBindingModel softwareModel)
+    {
+        try
+        {
+            _softwareBusinessLogicContract.UpdateSoftware(_mapper.Map<SoftwareDataModel>(softwareModel));
+            return SoftwareOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SoftwareOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SoftwareOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return SoftwareOperationResponse.BadRequest($"Not found element by Id {softwareModel.Id}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return SoftwareOperationResponse.BadRequest(ex.Message);
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return SoftwareOperationResponse.BadRequest($"Element by id: {softwareModel.Id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SoftwareOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SoftwareOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SoftwareOperationResponse RemoveSoftware(string id)
+    {
+        try
+        {
+            _softwareBusinessLogicContract.DeleteSoftware(id);
+            return SoftwareOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SoftwareOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SoftwareOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return SoftwareOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return SoftwareOperationResponse.BadRequest($"Element by id: {id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SoftwareOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SoftwareOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Adapters/WorkerAdapter.cs

@@ -0,0 +1,299 @@
+using AutoMapper;
+using SmallSoftwareContracts.AdapterContracts.OperationResponses;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BindingModels;
+using SmallSoftwareContracts.BusinessLogicsContracts;
+using SmallSoftwareContracts.DataModels;
+using SmallSoftwareContracts.Exceptions;
+using SmallSoftwareContracts.ViewModels;
+using SmallSoftwareDatabase.Models;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+
+namespace SmallSoftwareWebApi.Adapters;
+
+
+public class WorkerAdapter : IWorkerAdapter
+{
+    private readonly IWorkerBusinessLogicContract _workerBusinessLogicContract;
+    private readonly ILogger _logger;
+    private readonly Mapper _mapper;
+    public WorkerAdapter(IWorkerBusinessLogicContract
+    workerBusinessLogicContract, ILogger<WorkerAdapter> logger)
+    {
+        _workerBusinessLogicContract = workerBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<WorkerBindingModel, WorkerDataModel>();
+            cfg.CreateMap<WorkerDataModel, WorkerViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+    public WorkerOperationResponse GetList(bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([.. _workerBusinessLogicContract.GetAllWorkers(!includeDeleted)
+                .Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException"); 
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse
+                .InternalServerError($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public WorkerOperationResponse GetPostList(string id, bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([..
+            _workerBusinessLogicContract.GetAllWorkersByPost(id, !includeDeleted).Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse
+                .InternalServerError($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public WorkerOperationResponse GetListByBirthDate(DateTime fromDate,
+    DateTime toDate, bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([..
+            _workerBusinessLogicContract.GetAllWorkersByBirthDate(fromDate, toDate,
+            !includeDeleted).Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException"); 
+        return WorkerOperationResponse.BadRequest($"Incorrect dates: { ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse
+                .InternalServerError($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public WorkerOperationResponse GetListByEmploymentDate(DateTime fromDate,
+    DateTime toDate, bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([..
+            _workerBusinessLogicContract.GetAllWorkersByEmploymentDate(fromDate, toDate,
+            !includeDeleted).Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return WorkerOperationResponse.BadRequest($"Incorrect dates: { ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse
+                .InternalServerError($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public WorkerOperationResponse GetElement(string data)
+    {
+        try
+        {
+        return
+        WorkerOperationResponse.OK(_mapper.Map<WorkerViewModel>(_workerBusinessLogicContract.GetWorkerByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return WorkerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return WorkerOperationResponse.NotFound($"Not found element by data { data}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse
+                .InternalServerError($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public WorkerOperationResponse RegisterWorker(WorkerBindingModel
+    workerModel)
+    {
+        try
+        {
+            _workerBusinessLogicContract.InsertWorker(_mapper.Map<WorkerDataModel>(workerModel));
+            return WorkerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return WorkerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return WorkerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            
+            return WorkerOperationResponse
+                .BadRequest($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public WorkerOperationResponse ChangeWorkerInfo(WorkerBindingModel
+    workerModel)
+    {
+        try
+        {
+            _workerBusinessLogicContract.UpdateWorker(_mapper.Map<WorkerDataModel>(workerModel));
+            return WorkerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return WorkerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return WorkerOperationResponse.BadRequest($"Not found element by Id { workerModel.Id}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return WorkerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse
+                .BadRequest($"Error while working with data storage: { ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+    public WorkerOperationResponse RemoveWorker(string id)
+    {
+        try
+        {
+            _workerBusinessLogicContract.DeleteWorker(id);
+            return WorkerOperationResponse.NoContent();
+        }
+            catch (ArgumentNullException ex)
+            {
+                        _logger.LogError(ex, "ArgumentNullException");
+                        return WorkerOperationResponse.BadRequest("Id is empty");
+                    }
+            catch (ValidationException ex)
+            {
+                        _logger.LogError(ex, "ValidationException");
+                        return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: { ex.Message}");
+            }
+            catch (ElementNotFoundException ex)
+            {
+                        _logger.LogError(ex, "ElementNotFoundException");
+                        return WorkerOperationResponse.BadRequest($"Not found element by id: { id}");
+            }
+            catch (StorageException ex)
+            {
+                _logger.LogError(ex, "StorageException");
+                return WorkerOperationResponse
+                .BadRequest($"Error while working with data storage: { ex.InnerException!.Message}");
+            }
+            catch (Exception ex)
+            {
+            _logger.LogError(ex, "Exception");
+            return
+            WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/AuthOptions.cs

@@ -0,0 +1,13 @@
+using Microsoft.IdentityModel.Tokens;
+using System.Text;
+
+namespace SmallSoftwareWebApi;
+
+public class AuthOptions
+{
+    public const string ISSUER = "CatHasPaws_AuthServer"; // издатель токена
+    public const string AUDIENCE = "CatHasPaws_AuthClient"; // потребитель токена
+    const string KEY = "catsecret_secretsecretsecretkey!123"; // ключ для шифрации
+    public static SymmetricSecurityKey GetSymmetricSecurityKey() => new(Encoding.UTF8.GetBytes(KEY));
+
+}

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/ManufacturersController.cs

@@ -0,0 +1,44 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BindingModels;
+
+namespace SmallSoftwareWebApi.Controllers;
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class ManufacturersController(IManufacturerAdapter adapter) :
+ControllerBase
+{
+    private readonly IManufacturerAdapter _adapter = adapter;
+    [HttpGet]
+    public IActionResult GetAllRecords()
+    {
+        return _adapter.GetList().GetResponse(Request, Response);
+    } 
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+    [HttpPost]
+    public IActionResult Register([FromBody] ManufacturerBindingModel model)
+    {
+        return _adapter.RegisterManufacturer(model).GetResponse(Request,
+        Response);
+    }
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] ManufacturerBindingModel model)
+    {
+        return _adapter.ChangeManufacturerInfo(model).GetResponse(Request,
+        Response);
+    }
+    [HttpDelete("{id}")]
+    public IActionResult Delete(string id)
+    {
+        return _adapter.RemoveManufacturer(id).GetResponse(Request,
+        Response);
+    }
+}
+

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/PostHistoryController.cs

@@ -0,0 +1,19 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using SmallSoftwareContracts.AdapterContracts;
+
+namespace SmallSoftwareWebApi.Controllers;
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class PostHistoryController(IPostAdapter adapter) : ControllerBase
+{
+    private readonly IPostAdapter _adapter = adapter;
+    [HttpGet("{id}")]
+    public IActionResult GetHistory(string id)
+    {
+        return _adapter.GetHistory(id).GetResponse(Request, Response);
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/PostsController.cs

@@ -0,0 +1,46 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BindingModels;
+
+namespace SmallSoftwareWebApi.Controllers;
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class PostsController(IPostAdapter adapter) : ControllerBase
+{
+    private readonly IPostAdapter _adapter = adapter;
+    [HttpGet]
+    public IActionResult GetRecords()
+    {
+        return _adapter.GetList().GetResponse(Request, Response);
+    }
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+    [HttpPost]
+    public IActionResult Register([FromBody] PostBindingModel model)
+    {
+        return _adapter.RegisterPost(model).GetResponse(Request, Response);
+    }
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] PostBindingModel model)
+    {
+        return _adapter.ChangePostInfo(model).GetResponse(Request, Response);
+    }
+    [HttpDelete("{id}")]
+    public IActionResult Delete(string id)
+    {
+        return _adapter.RemovePost(id).GetResponse(Request, Response);
+    }
+    [HttpPatch("{id}")]
+    public IActionResult Restore(string id)
+    {
+        return _adapter.RestorePost(id).GetResponse(Request, Response); 
+    }
+}
+

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/RequestsController.cs

@@ -0,0 +1,51 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BindingModels;
+
+namespace SmallSoftwareWebApi.Controllers;
+[Authorize]
+[Route("api/[controller]/[action]")]
+[ApiController]
+[Produces("application/json")]
+public class RequestsController(IRequestAdapter adapter) : ControllerBase
+{
+    private readonly IRequestAdapter _adapter = adapter;
+    [HttpGet]
+    public IActionResult GetRecords(DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetList(fromDate, toDate).GetResponse(Request, Response);
+    }
+    [HttpGet]
+    public IActionResult GetWorkerRecords(string id, DateTime fromDate,
+    DateTime toDate)
+    {
+        return _adapter.GetWorkerList(id, fromDate,
+        toDate).GetResponse(Request, Response);
+    }
+    [HttpGet]
+
+    [HttpGet]
+    public IActionResult GetSoftwareRecords(string id, DateTime fromDate,
+    DateTime toDate)
+    {
+        return _adapter.GetSoftwareList(id, fromDate,
+        toDate).GetResponse(Request, Response);
+    }
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+    [HttpPost]
+    public IActionResult Request_([FromBody] RequestBindingModel model)
+    {
+        return _adapter.MakeRequest(model).GetResponse(Request, Response);
+    }
+    [HttpDelete("{id}")]
+    public IActionResult Cancel(string id)
+    {
+        return _adapter.CancelRequest(id).GetResponse(Request, Response);
+    }
+
+}

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/SalariesController.cs

@@ -0,0 +1,42 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.Exceptions;
+
+namespace SmallSoftwareWebApi.Controllers;
+
+
+[Authorize]
+[Route("api/[controller]/[action]")]
+[ApiController]
+[Produces("application/json")]
+public class SalariesController(ISalaryAdapter adapter) : ControllerBase
+{
+    private readonly ISalaryAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetRecords(DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetListByPeriod(fromDate, toDate).GetResponse(Request, Response);
+    }
+
+    [HttpGet]
+    public IActionResult GetWorkerRecords(string id, DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetListByPeriodByWorker(fromDate, toDate, id).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Calculate(DateTime date)
+    {
+        try
+        {
+            return _adapter.CalculateSalary(date).GetResponse(Request, Response);
+        }
+        catch (Exception ex)
+        {
+            return StatusCode(500, "Internal error");
+        }
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/SoftwaresController.cs

@@ -0,0 +1,58 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BindingModels;
+
+namespace SmallSoftwareWebApi.Controllers;
+
+
+[Authorize]
+[Route("api/[controller]/[action]")]
+[ApiController]
+[Produces("application/json")]
+
+public class SoftwaresController(ISoftwareAdapter adapter) : ControllerBase
+{
+    private readonly ISoftwareAdapter _adapter = adapter;
+    [HttpGet]
+    public IActionResult GetRecords(bool includeDeleted)
+    {
+        return _adapter.GetList(includeDeleted).GetResponse(Request,
+        Response);
+    }
+    [HttpGet]
+    public IActionResult GetManufacturerRecords(string id, bool includeDeleted)
+    {
+        return _adapter.GetManufacturerList(id,
+        includeDeleted).GetResponse(Request, Response);
+    }
+    [HttpGet]
+    public IActionResult GetHistory(string id)
+    {
+        return _adapter.GetHistory(id).GetResponse(Request, Response);
+    }
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+    return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+    [HttpPost]
+    public IActionResult Register([FromBody] SoftwareBindingModel model)
+    {
+        return _adapter.RegisterSoftware(model).GetResponse(Request,
+        Response);
+    }
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] SoftwareBindingModel model)
+    {
+        return _adapter.ChangeSoftwareInfo(model).GetResponse(Request,
+        Response);
+    }
+    [HttpDelete("{id}")]
+    public IActionResult Delete(string id)
+    {
+        return _adapter.RemoveSoftware(id).GetResponse(Request, Response);
+    }
+}
+

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/WeatherForecastController.cs

@@ -0,0 +1,35 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace SmallSoftwareWebApi.Controllers
+{
+    [ApiController]
+    [Authorize]
+    [Route("[controller]")]
+    public class WeatherForecastController : ControllerBase
+    {
+        private static readonly string[] Summaries = new[]
+        {
+            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+        };
+
+        private readonly ILogger<WeatherForecastController> _logger;
+
+        public WeatherForecastController(ILogger<WeatherForecastController> logger)
+        {
+            _logger = logger;
+        }
+
+        [HttpGet(Name = "GetWeatherForecast")]
+        public IEnumerable<WeatherForecast> Get()
+        {
+            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
+            {
+                Date = DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
+                TemperatureC = Random.Shared.Next(-20, 55),
+                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
+            })
+            .ToArray();
+        }
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Controllers/WorkersController.cs

@@ -0,0 +1,63 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BindingModels;
+
+namespace SmallSoftwareWebApi.Controllers;
+
+
+[Authorize]
+[Route("api/[controller]/[action]")]
+[ApiController]
+[Produces("application/json")]
+public class WorkersController(IWorkerAdapter adapter) : ControllerBase
+{
+    private readonly IWorkerAdapter _adapter = adapter;
+    [HttpGet]
+    public IActionResult GetRecords(bool includeDeleted = false)
+    {
+        return _adapter.GetList(includeDeleted).GetResponse(Request,
+        Response);
+    }
+    [HttpGet]
+    public IActionResult GetPostRecords(string id, bool includeDeleted = false)
+    {
+        return _adapter.GetPostList(id, includeDeleted).GetResponse(Request,
+        Response);
+    }
+    [HttpGet] 
+    public IActionResult GetBirthDateRecords(DateTime fromDate, DateTime toDate, bool includeDeleted = false)
+    {
+        return _adapter.GetListByBirthDate(fromDate, toDate,
+        includeDeleted).GetResponse(Request, Response);
+    }
+    [HttpGet]
+    public IActionResult GetEmploymentRecords(DateTime fromDate, DateTime
+    toDate, bool includeDeleted = false)
+    {
+        return _adapter.GetListByEmploymentDate(fromDate, toDate,
+        includeDeleted).GetResponse(Request, Response);
+    }
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+    [HttpPost]
+    public IActionResult Register([FromBody] WorkerBindingModel model)
+    {
+        return _adapter.RegisterWorker(model).GetResponse(Request, Response);
+    }
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] WorkerBindingModel model)
+    {
+        return _adapter.ChangeWorkerInfo(model).GetResponse(Request,
+        Response);
+    }
+    [HttpDelete("{id}")]
+    public IActionResult Delete(string id)
+    {
+        return _adapter.RemoveWorker(id).GetResponse(Request, Response);
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Infrastructure/ConfigurationDatabase.cs

@@ -0,0 +1,16 @@
+using Microsoft.Extensions.Configuration;
+using SmallSoftwareContracts.Infrastructure;
+
+namespace SmallSoftwareWebApi.Infrastructure;
+
+public class ConfigurationDatabase(IConfiguration configuration) : IConfigurationDatabase
+{
+
+    private readonly Lazy<DataBaseSettings> _dataBaseSettings = new(() =>
+    {
+        return configuration.GetValue<DataBaseSettings>("DataBaseSettings")
+        ?? throw new InvalidDataException(nameof(DataBaseSettings));
+    });
+    public string ConnectionString => _dataBaseSettings.Value.ConnectionString;
+
+}

SmallSoftwareProject/SmallSoftwareWebApi/Infrastructure/DataBaseSettings.cs

@@ -0,0 +1,6 @@
+namespace SmallSoftwareWebApi.Infrastructure;
+
+public class DataBaseSettings
+{
+    public required string ConnectionString { get; set; }
+}

SmallSoftwareProject/SmallSoftwareWebApi/Program.cs

@@ -0,0 +1,113 @@
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.IdentityModel.Tokens;
+using Serilog;
+using SmallSoftwareBusinessLogic.Implementations;
+using SmallSoftwareContracts.AdapterContracts;
+using SmallSoftwareContracts.BusinessLogicsContracts;
+using SmallSoftwareContracts.Infrastructure;
+using SmallSoftwareContracts.StoragesContracts;
+using SmallSoftwareDatabase;
+using SmallSoftwareDatabase.Implementations;
+using SmallSoftwareWebApi;
+using SmallSoftwareWebApi.Adapters;
+using SmallSoftwareWebApi.Infrastructure;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddControllers();
+
+using var loggerFactory = new LoggerFactory();
+loggerFactory.AddSerilog(new LoggerConfiguration().ReadFrom.Configuration(builder.Configuration).CreateLogger());
+builder.Services.AddSingleton(loggerFactory.CreateLogger("Any"));
+
+builder.Services.AddAuthorization();
+builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
+    .AddJwtBearer(options =>
+    {
+        options.TokenValidationParameters = new TokenValidationParameters
+        {
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
+            ValidateIssuer = true,
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidIssuer = AuthOptions.ISSUER,
+            // <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidateAudience = true,
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidAudience = AuthOptions.AUDIENCE,
+            // <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
+            ValidateLifetime = true,
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            IssuerSigningKey = AuthOptions.GetSymmetricSecurityKey(),
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidateIssuerSigningKey = true,
+        };
+    });
+
+builder.Services.AddSingleton<IConfigurationDatabase, ConfigurationDatabase>();
+builder.Services.AddTransient<IManufacturerBusinessLogicContract, ManufacturerBusinessLogicContract>();
+builder.Services.AddTransient<IPostBusinessLogicContract, PostBusinessLogicContract>();
+builder.Services.AddTransient<ISoftwareBusinessLogicContract, SoftwareBusinessLogicContract>();
+builder.Services.AddTransient<ISalaryBusinessLogicContract, SalaryBusinessLogicContract>();
+builder.Services.AddTransient<IRequestBusinessLogicContract, RequestBusinessLogicContract>();
+builder.Services.AddTransient<IWorkerBusinessLogicContract, WorkerBusinessLogicContract>();
+
+builder.Services.AddTransient<SmallSoftwareDbContext>();
+builder.Services.AddTransient<IManufacturerStorageContract, ManufacturerStorageContract>();
+builder.Services.AddTransient<IPostStorageContract, PostStorageContract>();
+builder.Services.AddTransient<ISoftwareStorageContract, SoftwareStorageContract>();
+builder.Services.AddTransient<ISalaryStorageContract, SalaryStorageContract>();
+builder.Services.AddTransient<IRequestStorageContract, RequestStorageContract>();
+builder.Services.AddTransient<IWorkerStorageContract, WorkerStorageContract>();
+
+builder.Services.AddTransient<IManufacturerAdapter, ManufacturerAdapter>(); 
+builder.Services.AddTransient<IPostAdapter, PostAdapter>(); 
+builder.Services.AddTransient<ISoftwareAdapter, SoftwareAdapter>();
+builder.Services.AddTransient<IRequestAdapter, RequestAdapter>();
+builder.Services.AddTransient<IWorkerAdapter, WorkerAdapter>();
+builder.Services.AddTransient<ISalaryAdapter, SalaryAdapter>();
+
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+if (app.Environment.IsProduction())
+{
+    var dbContext = app.Services.GetRequiredService<SmallSoftwareDbContext>();
+    if (dbContext.Database.CanConnect())
+    {
+        dbContext.Database.EnsureCreated();
+        dbContext.Database.Migrate();
+    }
+}
+
+app.UseHttpsRedirection();
+
+app.UseAuthentication();
+
+app.UseAuthorization();
+
+app.Map("/login/{username}", (string username) =>
+{
+    return new JwtSecurityTokenHandler().WriteToken(new JwtSecurityToken(
+    issuer: AuthOptions.ISSUER,
+    audience: AuthOptions.AUDIENCE,
+    claims: [new(ClaimTypes.Name, username)],
+    expires: DateTime.UtcNow.Add(TimeSpan.FromMinutes(2)),
+    signingCredentials: new SigningCredentials(AuthOptions.GetSymmetricSecurityKey(),
+    SecurityAlgorithms.HmacSha256)));
+});
+
+app.MapControllers();
+
+app.Run();

SmallSoftwareProject/SmallSoftwareWebApi/Properties/launchSettings.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "http://localhost:5273",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": false,
+      "applicationUrl": "https://localhost:7214;http://localhost:5273",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

SmallSoftwareProject/SmallSoftwareWebApi/SmallSoftwareWebApi.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.3" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.2" />
+    <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\SmallSoftwareBusinessLogic\SmallSoftwareBusinessLogic.csproj" />
+    <ProjectReference Include="..\SmallSoftwareContracts\SmallSoftwareContracts.csproj" />
+    <ProjectReference Include="..\SmallSoftwareDatabase\SmallSoftwareDatabase.csproj" />
+  </ItemGroup>
+
+	<ItemGroup>
+		<InternalsVisibleTo Include="SmallSoftwareTests" />
+		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+	</ItemGroup>
+
+
+</Project>

SmallSoftwareProject/SmallSoftwareWebApi/SmallSoftwareWebApi.http

@@ -0,0 +1,6 @@
+@SmallSoftwareWebApi_HostAddress = http://localhost:5273
+
+GET {{SmallSoftwareWebApi_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

SmallSoftwareProject/SmallSoftwareWebApi/WeatherForecast.cs

@@ -0,0 +1,13 @@
+namespace SmallSoftwareWebApi
+{
+    public class WeatherForecast
+    {
+        public DateOnly Date { get; set; }
+
+        public int TemperatureC { get; set; }
+
+        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+        public string? Summary { get; set; }
+    }
+}

SmallSoftwareProject/SmallSoftwareWebApi/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

SmallSoftwareProject/SmallSoftwareWebApi/appsettings.json

@@ -0,0 +1,28 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": {
+      "Default": "Information"
+    },
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "../logs/smallsoftware-.log",
+          "rollingInterval": "Day",
+          "outputTemplate": "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} { CorrelationId } { Level:u3} { Username } { Message: lj} { Exception } { NewLine }"
+        }
+      }
+    ]
+  },
+  "AllowedHosts": "*",
+  "DataBaseSettings": {
+    "ConnectionString": ""
+  }
+}