мелкие исправления

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/ClientBusinessLogicContract.cs

@@ -14,7 +14,7 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetBusinessLogic.Implementations;
 
-internal class ClientBusinessLogicContract(IClientStorageContract clientStorageContract, ILogger logger)  : IClientBusinessLogicContract
+public class ClientBusinessLogicContract(IClientStorageContract clientStorageContract, ILogger logger)  : IClientBusinessLogicContract
 {
     private readonly ILogger _logger = logger;
     private readonly IClientStorageContract _clientStorageContract = clientStorageContract;

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/EmployeeBusinessLogicContract.cs

@@ -14,7 +14,7 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetBusinessLogic.Implementations;
 
-internal class EmployeeBusinessLogicContract(IEmployeeStorageContract employeeStorageContract, ILogger logger) : IEmployeeBusinessLogicContract
+public class EmployeeBusinessLogicContract(IEmployeeStorageContract employeeStorageContract, ILogger logger) : IEmployeeBusinessLogicContract
 {
     private readonly ILogger _logger = logger;
     private readonly IEmployeeStorageContract _employeeStorageContract = employeeStorageContract;

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/PostBusinessLogicContract.cs

@@ -12,14 +12,14 @@ using System.Text.Json;
 using System.Threading.Tasks;
 namespace MagicCarpetBusinessLogic.Implementations;
 
-internal class PostBusinessLogicContract(IPostStorageContract postStorageContract, ILogger logger) : IPostBusinessLogicContract
+public class PostBusinessLogicContract(IPostStorageContract 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(onlyActive) ?? throw new NullListException();
+        _logger.LogInformation("GetAllPosts");
+        return _postStorageContract.GetList() ?? throw new NullListException();
     }
 
     public List<PostDataModel> GetAllDataOfPost(string postId)

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/SalaryBusinessLogicContract.cs

@@ -11,7 +11,7 @@ using System.Text;
 using System.Threading.Tasks;
 
 namespace MagicCarpetBusinessLogic.Implementations;
-internal class SalaryBusinessLogicContract(ISalaryStorageContract salaryStorageContract,ISaleStorageContract saleStorageContract,
+public class SalaryBusinessLogicContract(ISalaryStorageContract salaryStorageContract,ISaleStorageContract saleStorageContract,
     IPostStorageContract postStorageContract, IEmployeeStorageContract employeeStorageContract, ILogger logger) : ISalaryBusinessLogicContract
 {
     private readonly ILogger _logger = logger;
@@ -61,7 +61,7 @@ internal class SalaryBusinessLogicContract(ISalaryStorageContract salaryStorageC
                 throw new NullListException();
             var salary = post.Salary + sales * 0.1;
             _logger.LogDebug("The employee {employeeId} was paid a salary of {salary}", employee.Id, salary);
-            _salaryStorageContract.AddElement(new SalaryDataModel(employee.Id, finishDate, salary));
+            _salaryStorageContract.AddElement(new SalaryDataModel(employee.Id, DateTime.SpecifyKind(finishDate, DateTimeKind.Utc), salary));
         }
     }
 }

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/SaleBusinessLogicContract.cs

@@ -13,7 +13,7 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetBusinessLogic.Implementations;
 
-internal class SaleBusinessLogicContract(ISaleStorageContract saleStorageContract, IAgencyStorageContract agencyStorageContract, ILogger logger) : ISaleBusinessLogicContract
+public class SaleBusinessLogicContract(ISaleStorageContract saleStorageContract,IAgencyStorageContract agencyStorageContract, ILogger logger) : ISaleBusinessLogicContract
 {
     private readonly ILogger _logger = logger;
     private readonly ISaleStorageContract _saleStorageContract = saleStorageContract;

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/TourBusinessLogicContract.cs

@@ -13,7 +13,7 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetBusinessLogic.Implementations;
 
-internal class TourBusinessLogicContract(ITourStorageContract tourStorageContract, ILogger logger) : ITourBusinessLogicContract
+public class TourBusinessLogicContract(ITourStorageContract tourStorageContract, ILogger logger) : ITourBusinessLogicContract
 {
     private readonly ILogger _logger = logger;
     private readonly ITourStorageContract _tourStorageContract = tourStorageContract;

MagicCarpetProject/MagicCarpetBusinessLogic/MagicCarpetBusinessLogic.csproj

@@ -7,6 +7,7 @@
   </PropertyGroup>
 	<ItemGroup>
 		<InternalsVisibleTo Include="MagicCarpetTests" />
+		<InternalsVisibleTo Include="MagicCarpetWebApi" />
 		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
 	</ItemGroup>
 	<ItemGroup>

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/IAgencyAdapter.cs

@@ -0,0 +1,18 @@
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts;
+
+public interface IAgencyAdapter
+{
+    AgencyOperationResponse GetAllComponents();
+    AgencyOperationResponse GetComponentByData(string data);
+    AgencyOperationResponse InsertComponent(AgencyBindingModel warehouseDataModel);
+    AgencyOperationResponse UpdateComponent(AgencyBindingModel warehouseDataModel);
+    AgencyOperationResponse DeleteComponent(string id);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/IClientAdapter.cs

@@ -0,0 +1,22 @@
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts;
+
+public interface IClientAdapter
+{
+    ClientOperationResponse GetList();
+
+    ClientOperationResponse GetElement(string data);
+
+    ClientOperationResponse RegisterClient(ClientBindingModel clientModel);
+
+    ClientOperationResponse ChangeClientInfo(ClientBindingModel clientModel);
+
+    ClientOperationResponse RemoveClient(string id);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/IEmployeeAdapter.cs

@@ -0,0 +1,28 @@
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts;
+
+public interface IEmployeeAdapter
+{
+    EmployeeOperationResponse GetList(bool includeDeleted);
+
+    EmployeeOperationResponse GetPostList(string id, bool includeDeleted);
+
+    EmployeeOperationResponse GetListByBirthDate(DateTime fromDate, DateTime toDate, bool includeDeleted);
+
+    EmployeeOperationResponse GetListByEmploymentDate(DateTime fromDate, DateTime toDate, bool includeDeleted);
+
+    EmployeeOperationResponse GetElement(string data);
+
+    EmployeeOperationResponse RegisterEmployee(EmployeeBindingModel employeeModel);
+
+    EmployeeOperationResponse ChangeEmployeeInfo(EmployeeBindingModel employeeModel);
+
+    EmployeeOperationResponse RemoveEmployee(string id);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/IPostAdapter.cs

@@ -0,0 +1,26 @@
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.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);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/ISalaryAdapter.cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/ISaleAdapter.cs

@@ -0,0 +1,26 @@
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts;
+
+public interface ISaleAdapter
+{
+    SaleOperationResponse GetList(DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetEmployeeList(string id, DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetClientList(string id, DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetTourList(string id, DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetElement(string id);
+
+    SaleOperationResponse MakeSale(SaleBindingModel saleModel);
+
+    SaleOperationResponse CancelSale(string id);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/ISuppliesAdapter.cs

@@ -0,0 +1,17 @@
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts;
+
+public interface ISuppliesAdapter
+{
+    SuppliesOperationResponse GetAllComponents();
+    SuppliesOperationResponse GetComponentByData(string data);
+    SuppliesOperationResponse InsertComponent(SuppliesBindingModel componentDataModel);
+    SuppliesOperationResponse UpdateComponent(SuppliesBindingModel componentDataModel);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/ITourAdapter.cs

@@ -0,0 +1,24 @@
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts;
+
+public interface ITourAdapter
+{
+    TourOperationResponse GetList(bool includeDeleted);
+
+    TourOperationResponse GetHistory(string id);
+
+    TourOperationResponse GetElement(string data);
+
+    TourOperationResponse RegisterTour(TourBindingModel tourModel);
+
+    TourOperationResponse ChangeTourInfo(TourBindingModel tourModel);
+
+    TourOperationResponse RemoveTour(string id);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/AgencyOperationResponse .cs

@@ -0,0 +1,26 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Infrastructure;
+using MagicCarpetContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts.OperationResponses;
+
+public class AgencyOperationResponse : OperationResponse
+{
+    public static AgencyOperationResponse OK(List<AgencyViewModel> data) => OK<AgencyOperationResponse, List<AgencyViewModel>>(data);
+
+    public static AgencyOperationResponse OK(AgencyViewModel data) => OK<AgencyOperationResponse, AgencyViewModel>(data);
+
+    public static AgencyOperationResponse NoContent() => NoContent<AgencyOperationResponse>();
+
+    public static AgencyOperationResponse NotFound(string message) => NotFound<AgencyOperationResponse>(message);
+
+    public static AgencyOperationResponse BadRequest(string message) => BadRequest<AgencyOperationResponse>(message);
+
+    public static AgencyOperationResponse InternalServerError(string message) => InternalServerError<AgencyOperationResponse>(message);
+}
+

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/ClientOperationResponse.cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/EmployeeOperationResponse.cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/PostOperationResponse.cs

@@ -0,0 +1,24 @@
+using MagicCarpetContracts.Infrastructure;
+using MagicCarpetContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.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);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/SalaryOperationResponse.cs

@@ -0,0 +1,18 @@
+using MagicCarpetContracts.Infrastructure;
+using MagicCarpetContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.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);
+}

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/SaleOperationResponse.cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/SuppliesOperationResponse .cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/TourOperationResponse.cs

@@ -0,0 +1,26 @@
+using MagicCarpetContracts.Infrastructure;
+using MagicCarpetContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.AdapterContracts.OperationResponses;
+
+public class TourOperationResponse : OperationResponse
+{
+    public static TourOperationResponse OK(List<TourViewModel> data) => OK<TourOperationResponse, List<TourViewModel>>(data);
+
+    public static TourOperationResponse OK(List<TourHistoryViewModel> data) => OK<TourOperationResponse, List<TourHistoryViewModel>>(data);
+
+    public static TourOperationResponse OK(TourViewModel data) => OK<TourOperationResponse, TourViewModel>(data);
+
+    public static TourOperationResponse NoContent() => NoContent<TourOperationResponse>();
+
+    public static TourOperationResponse NotFound(string message) => NotFound<TourOperationResponse>(message);
+
+    public static TourOperationResponse BadRequest(string message) => BadRequest<TourOperationResponse>(message);
+
+    public static TourOperationResponse InternalServerError(string message) => InternalServerError<TourOperationResponse>(message);
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/AgencyBindingModel.cs

@@ -0,0 +1,16 @@
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class AgencyBindingModel
+{
+    public string? Id { get; set; }
+    public TourType? TourType { get; set; }
+    public int Count { get; set; }
+    public List<TourAgencyBindingModel>? Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/ClientBindingModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class ClientBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? FIO { get; set; }
+
+    public string? PhoneNumber { get; set; }
+
+    public double DiscountSize { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/EmployeeBindingModel.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class EmployeeBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? FIO { get; set; }
+
+    public string? Email { get; set; }
+
+    public string? PostId { get; set; }
+
+    public DateTime BirthDate { get; set; }
+
+    public DateTime EmploymentDate { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/PostBindingModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.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; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/SaleBindingModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class SaleBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? EmployeeId { get; set; }
+
+    public string? ClientId { get; set; }
+
+    public int DiscountType { get; set; }
+
+    public List<SaleTourBindingModel>? Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/SaleTourBindingModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class SaleTourBindingModel
+{
+    public string? SaleId { get; set; }
+
+    public string? TourId { get; set; }
+
+    public int Count { get; set; }
+
+    public double Price { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/SuppliesBindingModel.cs

@@ -0,0 +1,17 @@
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class SuppliesBindingModel
+{
+    public string? Id { get; set; }
+    public TourType? TourType { get; set; }
+    public DateTime ProductuionDate { get; set; }
+    public int Count { get; set; }
+    public List<TourSuppliesBindingModel>? Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/TourAgencyBindingModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class TourAgencyBindingModel
+{
+    public string? AgencyId { get; set; }
+    public string? TourId { get; set; }
+    public int Count { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/TourBindingModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class TourBindingModel
+{
+    public string? Id { get; set; }
+    public string? TourName { get; set; }
+    public string? TourCountry { get; set; }
+    public double Price { get; set; }
+    public string? TourType { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BindingModels/TourSuppliesBindingModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BindingModels;
+
+public class TourSuppliesBindingModel
+{
+    public string? SuppliesId { get; set; }
+    public string? TourId { get; set; }
+    public int Count { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/BusinessLogicContracts/IPostBusinessLogicContract.cs

@@ -9,7 +9,7 @@ namespace MagicCarpetContracts.BuisnessLogicContracts;
 
 public interface IPostBusinessLogicContract
 {
-    List<PostDataModel> GetAllPosts(bool onlyActive);
+    List<PostDataModel> GetAllPosts();
 
     List<PostDataModel> GetAllDataOfPost(string postId);
 

MagicCarpetProject/MagicCarpetContracts/DataModels/AgencyDataModel.cs

@@ -13,7 +13,7 @@ namespace MagicCarpetContracts.DataModels;
 public class AgencyDataModel(string id, TourType tourType, int count, List<TourAgencyDataModel> tours) : IValidation
 {
     public string Id { get; private set; } = id;
-    public TourType Type { get; private set; } = tourType;
+    public TourType TourType { get; private set; } = tourType;
     public int Count { get; private set; } = count;
     public List<TourAgencyDataModel> Tours { get; private set; } = tours;
 
@@ -23,7 +23,7 @@ public class AgencyDataModel(string id, TourType tourType, int count, List<TourA
             throw new ValidationException("Field Id is empty");
         if (!Id.IsGuid())
             throw new ValidationException("The value in the field Id is not a unique identifier");
-        if (Type == TourType.None)
+        if (TourType == TourType.None)
             throw new ValidationException("Field Type is empty");
         if (Count <= 0)
             throw new ValidationException("Field Count is less than or equal to 0");

MagicCarpetProject/MagicCarpetContracts/DataModels/EmployeeDataModel.cs

@@ -1,6 +1,7 @@
 using MagicCarpetContracts.Exceptions;
 using MagicCarpetContracts.Extensions;
 using MagicCarpetContracts.Infrastructure;
+using Microsoft.Extensions.Hosting;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -12,6 +13,8 @@ namespace MagicCarpetContracts.DataModels;
 
 public class EmployeeDataModel(string id, string fio, string email, 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;
@@ -26,6 +29,17 @@ public class EmployeeDataModel(string id, string fio, string email, string postI
 
     public bool IsDeleted { get; private set; } = isDeleted;
 
+    public string PostName => _post?.PostName ?? string.Empty;
+
+    public EmployeeDataModel(string id, string fio, string email, string postId, DateTime birthDate, DateTime employmentDate, 
+        bool isDeleted, PostDataModel post) : this(id, fio, email, postId, birthDate, employmentDate, isDeleted)
+    {
+        _post = post;
+    }
+
+    public EmployeeDataModel(string id, string fio, string email, string postId, DateTime birthDate, 
+        DateTime employmentDate) : this(id, fio, email, postId, birthDate, employmentDate, false) { }
+
     public void Validate()
     {
         if (Id.IsEmpty())

MagicCarpetProject/MagicCarpetContracts/DataModels/PostDataModel.cs

@@ -10,14 +10,12 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetContracts.DataModels;
 
-public class PostDataModel(string id, string postName, PostType postType, double salary, bool isActual, DateTime changeDate) : IValidation
+public class PostDataModel(string postId, string postName, PostType postType, double salary) : IValidation
 {
-    public string Id { get; private set; } = id;
+    public string Id { get; private set; } = postId;
     public string PostName { get; private set; } = postName;
     public PostType PostType { get; private set; } = postType;
-    public double Salary { get; private set; } = salary;
-    public bool IsActual { get; private set; } = isActual;
-    public DateTime ChangeDate { get; private set; } = changeDate;                                          
+    public double Salary { get; private set; } = salary;                                
 
     public void Validate()
     {

MagicCarpetProject/MagicCarpetContracts/DataModels/SalaryDataModel.cs

@@ -11,12 +11,20 @@ namespace MagicCarpetContracts.DataModels;
 
 public class SalaryDataModel(string employeeId, DateTime salaryDate, double employeeSalary) : IValidation
 {
+    private readonly EmployeeDataModel? _employee;
     public string EmployeeId { get; private set; } = employeeId;
 
     public DateTime SalaryDate { get; private set; } = salaryDate;
 
     public double Salary { get; private set; } = employeeSalary;
 
+    public string EmployeeFIO => _employee?.FIO ?? string.Empty;
+
+    public SalaryDataModel(string employeeId, DateTime salaryDate, double employeeSalary, EmployeeDataModel employee) : this(employeeId, salaryDate, employeeSalary)
+    {
+        _employee = employee;
+    }
+
     public void Validate()
     {
         if (EmployeeId.IsEmpty())

MagicCarpetProject/MagicCarpetContracts/DataModels/SaleDataModel.cs

@@ -10,25 +10,78 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetContracts.DataModels;
 
-public class SaleDataModel(string id, string employeeId, string? clientId, double sum, DiscountType discountType,
-    double discount, bool isCancel, List<SaleTourDataModel> tours) : IValidation
+public class SaleDataModel : IValidation
 {
-    public string Id { get; private set; } = id;
+    private readonly ClientDataModel? _client;
 
-    public string EmployeeId { get; private set; } = employeeId;
+    private readonly EmployeeDataModel? _employee;
 
-    public string? ClientId { get; private set; } = clientId;
+    public string Id { get; private set; }
+
+    public string EmployeeId { get; private set; }
+
+    public string? ClientId { get; private set; }
 
     public DateTime SaleDate { get; private set; } = DateTime.UtcNow;
-    public double Sum { get; private set; } = sum;
 
-    public DiscountType DiscountType { get; private set; } = discountType;
+    public double Sum { get; private set; }
 
-    public double Discount { get; private set; } = discount;
+    public DiscountType DiscountType { get; private set; }
 
-    public bool IsCancel { get; private set; } = isCancel;
+    public double Discount { get; private set; }
 
-    public List<SaleTourDataModel> Tours { get; private set; } = tours;
+    public bool IsCancel { get; private set; }
+
+    public List<SaleTourDataModel>? Tours { get; private set; }
+
+    public string ClientFIO => _client?.FIO ?? string.Empty;
+
+    public string EmployeeFIO => _employee?.FIO ?? string.Empty;
+
+    public SaleDataModel(string id, string employeeId, string? clientId, DiscountType discountType, bool isCancel, List<SaleTourDataModel> saleTours)
+    {
+        Id = id;
+        EmployeeId = employeeId;
+        ClientId = clientId;
+        DiscountType = discountType;
+        IsCancel = isCancel;
+        Tours = saleTours;
+        var percent = 0.0;
+        foreach (DiscountType elem in Enum.GetValues<DiscountType>())
+        {
+            if ((elem & discountType) != 0)
+            {
+                switch (elem)
+                {
+                    case DiscountType.None:
+                        break;
+                    case DiscountType.OnSale:
+                        percent += 0.1;
+                        break;
+                    case DiscountType.RegularCustomer:
+                        percent += 0.5;
+                        break;
+                    case DiscountType.Certificate:
+                        percent += 0.3;
+                        break;
+                }
+            }
+        }
+        Sum = Tours?.Sum(x => x.Price * x.Count) ?? 0;
+        Discount = Sum * percent;
+    }
+
+    public SaleDataModel(string id, string employeeId, string? clientId, double sum, DiscountType discountType, double discount, bool isCancel,
+        List<SaleTourDataModel> saleTours, EmployeeDataModel employee, ClientDataModel? client) : this(id, employeeId, clientId, discountType, isCancel, saleTours)
+    {
+        Sum = sum;
+        Discount = discount;
+        _employee = employee;
+        _client = client;
+    }
+
+    public SaleDataModel(string id, string employeeId, string? clientId, int discountType, 
+        List<SaleTourDataModel> tours) : this(id, employeeId, clientId, (DiscountType)discountType, false, tours) { }
 
     public void Validate()
     {

MagicCarpetProject/MagicCarpetContracts/DataModels/SaleTourDataModel.cs

@@ -3,20 +3,32 @@ using MagicCarpetContracts.Extensions;
 using MagicCarpetContracts.Infrastructure;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace MagicCarpetContracts.DataModels;
 
-public class SaleTourDataModel(string saleId, string cocktailId, int count) : IValidation
+public class SaleTourDataModel(string saleId, string tourId, int count, double price) : IValidation
 {
+    private readonly TourDataModel? _tour;
+
     public string SaleId { get; private set; } = saleId;
 
-    public string TourId { get; private set; } = cocktailId;
+    public string TourId { get; private set; } = tourId;
 
     public int Count { get; private set; } = count;
 
+    public double Price { get; private set; } = price;
+
+    public string TourName => _tour?.TourName ?? string.Empty;
+
+    public SaleTourDataModel(string saleId, string tourId, int count, double price, TourDataModel tour) : this(saleId, tourId, count, price)
+    {
+        _tour = tour;
+    }
+
     public void Validate()
     {
         if (SaleId.IsEmpty())
@@ -26,12 +38,15 @@ public class SaleTourDataModel(string saleId, string cocktailId, int count) : IV
             throw new ValidationException("The value in the field SaleId is not a unique identifier");
 
         if (TourId.IsEmpty())
-            throw new ValidationException("Field TourId is empty");
+            throw new ValidationException("Field ProductId is empty");
 
         if (!TourId.IsGuid())
-            throw new ValidationException("The value in the field TourId is not a unique identifier");
+            throw new ValidationException("The value in the field ProductId is not a unique identifier");
 
         if (Count <= 0)
             throw new ValidationException("Field Count is less than or equal to 0");
+
+        if (Price <= 0)
+            throw new ValidationException("Field Price is less than or equal to 0");
     }
 }

MagicCarpetProject/MagicCarpetContracts/DataModels/SuppliesDataModel.cs

@@ -11,11 +11,11 @@ using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace MagicCarpetContracts.DataModels;
 
-public class SuppliesDataModel(string id, TourType tourType, DateTime date, int count, List<TourSuppliesDataModel> tours) : IValidation
+public class SuppliesDataModel(string id, TourType tourType, DateTime productuionDate, int count, List<TourSuppliesDataModel> tours) : IValidation
 {
     public string Id { get; private set; } = id;
-    public TourType Type { get; private set; } = tourType;
-    public DateTime ProductuionDate { get; private set; } = date;
+    public TourType TourType { get; private set; } = tourType;
+    public DateTime ProductuionDate { get; private set; } = productuionDate;
     public int Count { get; private set; } = count;
     public List<TourSuppliesDataModel> Tours { get; private set; } = tours;
 
@@ -25,7 +25,7 @@ public class SuppliesDataModel(string id, TourType tourType, DateTime date, int
             throw new ValidationException("Field Id is empty");
         if (!Id.IsGuid())
             throw new ValidationException("The value in the field Id is not a unique identifier");
-        if (Type == TourType.None)
+        if (TourType == TourType.None)
             throw new ValidationException("Field Type is empty");
         if (Count <= 0)
             throw new ValidationException("Field Count is less than or equal to 0");

MagicCarpetProject/MagicCarpetContracts/DataModels/TourDataModel.cs

@@ -12,16 +12,13 @@ using System.Xml.Linq;
 
 namespace MagicCarpetContracts.DataModels;
 
-public class TourDataModel(string id, string tourName, string tourCountry, double price, TourType tourType,
-    List<TourSuppliesDataModel> supplies, List<TourAgencyDataModel> agency) : IValidation
+public class TourDataModel(string id, string tourName, string tourCountry, double price, TourType tourType) : IValidation
 {
     public string Id { get; private set; } = id;
     public string TourName { get; private set; } = tourName;
     public string TourCountry { get; private set; } = tourCountry;
     public double Price { get; private set; } = price;
-    public TourType Type { get; private set; } = tourType;
-    public List<TourSuppliesDataModel> Supplies { get; private set; } = supplies;
-    public List<TourAgencyDataModel> Agency { get; private set; } = agency;
+    public TourType TourType { get; private set; } = tourType;
 
     public void Validate()
     {
@@ -35,11 +32,7 @@ public class TourDataModel(string id, string tourName, string tourCountry, doubl
             throw new ValidationException("Field TourCountry is empty");
         if (Price <= 0)
             throw new ValidationException("Field Price is less than or equal to 0");
-        if (Type == TourType.None)
+        if (TourType == TourType.None)
             throw new ValidationException("Field Type is empty");
-        if ((Supplies?.Count ?? 0) == 0)
-            throw new ValidationException("The tour must include supplies");
-        if ((Agency?.Count ?? 0) == 0)
-            throw new ValidationException("The tour must include agency");
     }
 }

MagicCarpetProject/MagicCarpetContracts/DataModels/TourHistoryDataModel.cs

@@ -11,12 +11,22 @@ namespace MagicCarpetContracts.DataModels;
 
 public class TourHistoryDataModel(string tourId, double oldPrice) : IValidation
 {
+    private readonly TourDataModel? _tour;
+
     public string TourId { get; private set; } = tourId;
 
     public double OldPrice { get; private set; } = oldPrice;
 
     public DateTime ChangeDate { get; private set; } = DateTime.UtcNow;
 
+    public string TourName => _tour?.TourName ?? string.Empty;
+
+    public TourHistoryDataModel(string tourId, double oldPrice, DateTime changeDate, TourDataModel tour) : this(tourId, oldPrice)
+    {
+        ChangeDate = changeDate;
+        _tour = tour;
+    }
+
     public void Validate()
     {
         if (TourId.IsEmpty())

MagicCarpetProject/MagicCarpetContracts/Exceptions/ElementDeletedException.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.Exceptions;
+
+public class ElementDeletedException : Exception
+{
+    public ElementDeletedException(string id) : base($"Cannot modify a deleted item (id: {id})") { }
+}

MagicCarpetProject/MagicCarpetContracts/Infrastructure/IConfigurationDatabase.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.Infrastructure;
+
+public interface IConfigurationDatabase
+{
+    string ConnectionString { get; }
+}

MagicCarpetProject/MagicCarpetContracts/Infrastructure/OperationResponse.cs

@@ -0,0 +1,47 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.Infrastructure;
+
+public class OperationResponse
+{
+    public HttpStatusCode StatusCode { get; set; }
+
+    public 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 };
+}

MagicCarpetProject/MagicCarpetContracts/MagicCarpetContracts.csproj

@@ -6,4 +6,10 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.3.0" />
+  </ItemGroup>
+
 </Project>

MagicCarpetProject/MagicCarpetContracts/StoragesContracts/IPostStorageContract.cs

@@ -9,7 +9,7 @@ namespace MagicCarpetContracts.StoragesContracts;
 
 public interface IPostStorageContract
 {
-    List<PostDataModel> GetList(bool onlyActual = true);
+    List<PostDataModel> GetList();
     List<PostDataModel> GetPostWithHistory(string postId);
     PostDataModel? GetElementById(string id);
     PostDataModel? GetElementByName(string name);

MagicCarpetProject/MagicCarpetContracts/StoragesContracts/ISalaryStorageContract.cs

@@ -9,7 +9,7 @@ namespace MagicCarpetContracts.StoragesContracts;
 
 public interface ISalaryStorageContract
 {
-    List<SalaryDataModel> GetList(DateTime startDate, DateTime endDate, string? employeeId = null);
+    List<SalaryDataModel> GetList(DateTime? startDate, DateTime? endDate, string? employeeId = null);
 
     void AddElement(SalaryDataModel salaryDataModel);
 }

MagicCarpetProject/MagicCarpetContracts/ViewModels/AgencyViewModel.cs

@@ -0,0 +1,16 @@
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class AgencyViewModel
+{
+    public required string Id { get; set; }
+    public required TourType TourType { get; set; }
+    public required int Count { get; set; }
+    public required List<TourAgencyViewModel> Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/ClientViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class ClientViewModel
+{
+    public required string Id { get; set; }
+
+    public required string FIO { get; set; }
+
+    public required string PhoneNumber { get; set; }
+
+    public double DiscountSize { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/EmployeeViewModel.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class EmployeeViewModel
+{
+    public required string Id { get; set; }
+
+    public required string FIO { get; set; }
+
+    public string Email { 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; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/PostViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.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; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/SalaryViewModel.cs

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

MagicCarpetProject/MagicCarpetContracts/ViewModels/SaleTourViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class SaleTourViewModel
+{
+    public required string TourId { get; set; }
+
+    public required string TourName { get; set; }
+
+    public int Count { get; set; }
+
+    public double Price { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/SaleViewModel.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class SaleViewModel
+{
+    public required string Id { get; set; }
+
+    public required string EmployeeId { get; set; }
+
+    public required string EmployeeFIO { get; set; }
+
+    public string? ClientId { get; set; }
+
+    public string? ClientFIO { get; set; }
+
+    public DateTime SaleDate { get; set; }
+
+    public double Sum { get; set; }
+
+    public required string DiscountType { get; set; }
+
+    public double Discount { get; set; }
+
+    public bool IsCancel { get; set; }
+
+    public required List<SaleTourViewModel> Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/SuppliesViewModel.cs

@@ -0,0 +1,17 @@
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class SuppliesViewModel
+{
+    public required string Id { get; set; }
+    public required TourType TourType { get; set; }
+    public DateTime ProductuionDate { get; set; }
+    public int Count { get; set; }
+    public required List<TourSuppliesViewModel> Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/TourAgencyViewModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class TourAgencyViewModel
+{
+    public required string AgencyId { get; set; }
+    public required string TourId { get; set; }
+    public int Count { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/TourHistoryViewModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class TourHistoryViewModel
+{
+    public required string TourName { get; set; }
+
+    public double OldPrice { get; set; }
+
+    public DateTime ChangeDate { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/TourSuppliesViewModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class TourSuppliesViewModel
+{
+    public required string SuppliesId { get; set; }
+    public required string TourId { get; set; }
+    public int Count { get; set; }
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/TourViewModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.ViewModels;
+
+public class TourViewModel
+{
+    public required string Id { get; set; }
+
+    public required string TourName { get; set; }
+
+    public required string TourType { get; set; }
+
+    public string? TourCountry { get; set; }
+
+    public double Price { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/AgencyStorageContract.cs

@@ -0,0 +1,140 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class AgencyStorageContract : IAgencyStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public AgencyStorageContract(MagicCarpetDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.AddMaps(typeof(TourAgency));
+            cfg.AddMaps(typeof(Agency));
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<AgencyDataModel> GetList()
+    {
+        try
+        {
+            return [.. _dbContext.Agencies.Select(x => _mapper.Map<AgencyDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public AgencyDataModel GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<AgencyDataModel>(GetAgencyById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(AgencyDataModel agencyDataModel)
+    {
+        try
+        {
+            _dbContext.Agencies.Add(_mapper.Map<Agency>(agencyDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(AgencyDataModel agencyDataModel)
+    {
+        try
+        {
+            var element = GetAgencyById(agencyDataModel.Id) ?? throw new ElementNotFoundException(agencyDataModel.Id);
+            _dbContext.Agencies.Update(_mapper.Map(agencyDataModel, element));
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetAgencyById(id) ?? throw new ElementNotFoundException(id);
+            _dbContext.Agencies.Remove(element);
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public bool CheckComponents(SaleDataModel saleDataModel)
+    {
+        using (var transaction = _dbContext.Database.BeginTransaction())
+        {
+            foreach (SaleTourDataModel sale_tour in saleDataModel.Tours)
+            {
+                var tour = _dbContext.Tours.FirstOrDefault(x => x.Id == sale_tour.TourId);
+                var agency = _dbContext.Agencies.FirstOrDefault(x => x.TourType == tour.TourType && x.Count >= sale_tour.Count);
+
+                if (agency == null)
+                {
+                    transaction.Rollback();
+                    return false;
+                }
+                if (agency.Count - sale_tour.Count == 0)
+                {
+                    DelElement(agency.Id);
+                }
+                else
+                {
+                    agency.Count -= sale_tour.Count;
+                }
+            }
+            transaction.Commit();
+            _dbContext.SaveChanges();
+            return true;
+        }
+    }
+
+    private Agency? GetAgencyById(string id) => _dbContext.Agencies.FirstOrDefault(x => x.Id == id);
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/ClientStorageContract.cs

@@ -0,0 +1,144 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class ClientStorageContract : IClientStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+    public ClientStorageContract(MagicCarpetDbContext magicCarpetDbContext)
+    {
+        _dbContext = magicCarpetDbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.AddMaps(typeof(MagicCarpetDbContext).Assembly);
+        });
+        _mapper = new Mapper(config);
+    }
+    public List<ClientDataModel> GetList()
+    {
+        try
+        {
+            return [.. _dbContext.Clients.Select(x => _mapper.Map<ClientDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+    public ClientDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<ClientDataModel>(GetClientById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+    public ClientDataModel? GetElementByFIO(string fio)
+    {
+        try
+        {
+            return _mapper.Map<ClientDataModel>(_dbContext.Clients.FirstOrDefault(x => x.FIO == fio));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+    public ClientDataModel? GetElementByPhoneNumber(string phoneNumber)
+    {
+        try
+        {
+            return _mapper.Map<ClientDataModel>(_dbContext.Clients.FirstOrDefault(x => x.PhoneNumber == phoneNumber));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+    public void AddElement(ClientDataModel clientDataModel)
+    {
+        try
+        {
+            _dbContext.Clients.Add(_mapper.Map<Client>(clientDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("Id", clientDataModel.Id);
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Clients_PhoneNumber" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PhoneNumber", clientDataModel.PhoneNumber);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+    public void UpdElement(ClientDataModel clientDataModel)
+    {
+        try
+        {
+            var element = GetClientById(clientDataModel.Id) ?? throw new ElementNotFoundException(clientDataModel.Id);
+            _dbContext.Clients.Update(_mapper.Map(clientDataModel, element));
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Clients_PhoneNumber" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PhoneNumber", clientDataModel.PhoneNumber);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetClientById(id) ?? throw new ElementNotFoundException(id);
+            _dbContext.Clients.Remove(element);
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+    private Client? GetClientById(string id) => _dbContext.Clients.FirstOrDefault(x => x.Id == id);
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/EmployeeStorageContract.cs

@@ -0,0 +1,168 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class EmployeeStorageContract : IEmployeeStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public EmployeeStorageContract(MagicCarpetDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Post, PostDataModel>()
+                .ForMember(x => x.Id, x => x.MapFrom(src => src.PostId));
+            cfg.CreateMap<Employee, EmployeeDataModel>();
+            cfg.CreateMap<EmployeeDataModel, Employee>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<EmployeeDataModel> GetList(bool onlyActive = true, string? postId = null, DateTime? fromBirthDate = null, DateTime? toBirthDate = null, DateTime? fromEmploymentDate = null, DateTime? toEmploymentDate = null)
+    {
+        try
+        {
+            var query = _dbContext.Employees.AsQueryable();
+            if (onlyActive)
+            {
+                query = query.Where(x => !x.IsDeleted);
+            }
+            if (postId is not null)
+            {
+                query = query.Where(x => x.PostId == postId);
+            }
+            if (fromBirthDate is not null && toBirthDate is not null)
+            {
+                query = query.Where(x => x.BirthDate >= DateTime.SpecifyKind(fromBirthDate ?? DateTime.UtcNow, DateTimeKind.Utc) && x.BirthDate <= DateTime.SpecifyKind(toBirthDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            }
+            if (fromEmploymentDate is not null && toEmploymentDate is not null)
+            {
+                query = query.Where(x => x.EmploymentDate >= DateTime.SpecifyKind(fromEmploymentDate ?? DateTime.UtcNow, DateTimeKind.Utc) && x.EmploymentDate <= DateTime.SpecifyKind(toEmploymentDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            }
+            return [.. JoinPost(query).Select(x => _mapper.Map<EmployeeDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public EmployeeDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<EmployeeDataModel>(GetEmployeeById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public EmployeeDataModel? GetElementByFIO(string fio)
+    {
+        try
+        {
+            return _mapper.Map<EmployeeDataModel>(AddPost(_dbContext.Employees.FirstOrDefault(x => x.FIO == fio && !x.IsDeleted)));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public EmployeeDataModel? GetElementByEmail(string email)
+    {
+        try
+        {
+            return _mapper.Map<EmployeeDataModel>(AddPost(_dbContext.Employees.FirstOrDefault(x => x.Email == email && !x.IsDeleted)));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(EmployeeDataModel employeeDataModel)
+    {
+        try
+        {
+            _dbContext.Employees.Add(_mapper.Map<Employee>(employeeDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("Id", employeeDataModel.Id);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(EmployeeDataModel employeeDataModel)
+    {
+        try
+        {
+            var element = GetEmployeeById(employeeDataModel.Id) ?? throw new ElementNotFoundException(employeeDataModel.Id);
+            _dbContext.Employees.Update(_mapper.Map(employeeDataModel, element));
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetEmployeeById(id) ?? throw new ElementNotFoundException(id);
+            element.IsDeleted = true;
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    private Employee? GetEmployeeById(string id) => AddPost(_dbContext.Employees.FirstOrDefault(x => x.Id == id && !x.IsDeleted));
+
+    private IQueryable<Employee> JoinPost(IQueryable<Employee> query)
+        => query.GroupJoin(_dbContext.Posts.Where(x => x.IsActual), x => x.PostId, y => y.PostId, (x, y) => new { Employee = x, Post = y })
+                .SelectMany(xy => xy.Post.DefaultIfEmpty(), (x, y) => x.Employee.AddPost(y));
+
+    private Employee? AddPost(Employee? employee)
+        => employee?.AddPost(_dbContext.Posts.FirstOrDefault(x => x.PostId == employee.PostId && x.IsActual));
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/PostStorageContract.cs

@@ -0,0 +1,191 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class PostStorageContract : IPostStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public PostStorageContract(MagicCarpetDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Post, PostDataModel>()
+                .ForMember(x => x.Id, x => x.MapFrom(src => src.PostId));
+            cfg.CreateMap<PostDataModel, Post>()
+                .ForMember(x => x.Id, x => x.Ignore())
+                .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);
+    }
+
+    public List<PostDataModel> GetList()
+    {
+        try
+        {
+            return [.. _dbContext.Posts.Select(x => _mapper.Map<PostDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public List<PostDataModel> GetPostWithHistory(string postId)
+    {
+        try
+        {
+            return [.. _dbContext.Posts.Where(x => x.PostId == postId).Select(x => _mapper.Map<PostDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public PostDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<PostDataModel>(_dbContext.Posts.FirstOrDefault(x => x.PostId == id && x.IsActual));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public PostDataModel? GetElementByName(string name)
+    {
+        try
+        {
+            return _mapper.Map<PostDataModel>(_dbContext.Posts.FirstOrDefault(x => x.PostName == name && x.IsActual));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(PostDataModel postDataModel)
+    {
+        try
+        {
+            _dbContext.Posts.Add(_mapper.Map<Post>(postDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Posts_PostName_IsActual" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PostName", postDataModel.PostName);
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Posts_PostId_IsActual" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PostId", postDataModel.Id);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(PostDataModel postDataModel)
+    {
+        try
+        {
+            var transaction = _dbContext.Database.BeginTransaction();
+            try
+            {
+                var element = GetPostById(postDataModel.Id) ?? throw new ElementNotFoundException(postDataModel.Id);
+                if (!element.IsActual)
+                {
+                    throw new ElementDeletedException(postDataModel.Id);
+                }
+                element.IsActual = false;
+                _dbContext.SaveChanges();
+                var newElement = _mapper.Map<Post>(postDataModel);
+                _dbContext.Posts.Add(newElement);
+                _dbContext.SaveChanges();
+                transaction.Commit();
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Posts_PostName_IsActual" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PostName", postDataModel.PostName);
+        }
+        catch (Exception ex) when (ex is ElementDeletedException || ex is ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetPostById(id) ?? throw new ElementNotFoundException(id);
+            if (!element.IsActual)
+            {
+                throw new ElementDeletedException(id);
+            }
+            element.IsActual = false;
+            _dbContext.SaveChanges();
+        }
+        catch
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+    }
+
+    public void ResElement(string id)
+    {
+        try
+        {
+            var element = GetPostById(id) ?? throw new ElementNotFoundException(id);
+            element.IsActual = true;
+            _dbContext.SaveChanges();
+        }
+        catch
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+    }
+
+    private Post? GetPostById(string id) => _dbContext.Posts.Where(x => x.PostId == id)
+        .OrderByDescending(x => x.ChangeDate).FirstOrDefault();
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/SalaryStorageContract.cs

@@ -0,0 +1,66 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class SalaryStorageContract : ISalaryStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public SalaryStorageContract(MagicCarpetDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Employee, EmployeeDataModel>();
+            cfg.CreateMap<Salary, SalaryDataModel>();
+            cfg.CreateMap<SalaryDataModel, Salary>()
+                .ForMember(dest => dest.EmployeeSalary, opt => opt.MapFrom(src => src.Salary));
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<SalaryDataModel> GetList(DateTime? startDate, DateTime? endDate, string? employeeId = null)
+    {
+        try
+        {
+            var query = _dbContext.Salaries.Include(d => d.Employee).AsQueryable();
+            if (startDate.HasValue)
+                query = query.Where(x => x.SalaryDate >= DateTime.SpecifyKind(startDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            if (endDate.HasValue)
+                query = query.Where(x => x.SalaryDate <= DateTime.SpecifyKind(endDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            if (employeeId != null)
+                query = query.Where(x => x.EmployeeId == employeeId);
+            return [.. query.Select(x => _mapper.Map<SalaryDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(SalaryDataModel salaryDataModel)
+    {
+        try
+        {
+            _dbContext.Salaries.Add(_mapper.Map<Salary>(salaryDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/SaleStorageContract.cs

@@ -0,0 +1,123 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class SaleStorageContract : ISaleStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public SaleStorageContract(MagicCarpetDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Client, ClientDataModel>();
+            cfg.CreateMap<Tour, TourDataModel>();
+            cfg.CreateMap<Employee, EmployeeDataModel>();
+            cfg.CreateMap<SaleTour, SaleTourDataModel>();
+            cfg.CreateMap<SaleTourDataModel, SaleTour>()
+                    .ForMember(x => x.Tour, x => x.Ignore());
+            cfg.CreateMap<Sale, SaleDataModel>();
+            cfg.CreateMap<SaleDataModel, Sale>()
+                .ForMember(x => x.IsCancel, x => x.MapFrom(src => false))
+                .ForMember(x => x.SaleTours, x => x.MapFrom(src => src.Tours))
+                .ForMember(x => x.Employee, x => x.Ignore())
+                .ForMember(x => x.Client, x => x.Ignore());
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<SaleDataModel> GetList(DateTime? startDate = null, DateTime? endDate = null, string? employeeId = null, string? clientId = null, string? tourId = null)
+    {
+        try
+        {
+            var query = _dbContext.Sales
+                .Include(r => r.Employee)
+                .Include(r => r.Client)
+                .Include(r => r.SaleTours)!
+                .ThenInclude(d => d.Tour)
+                .AsQueryable();
+            if (startDate.HasValue)
+                query = query.Where(x => x.SaleDate >= DateTime.SpecifyKind(startDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            if (endDate.HasValue)
+                query = query.Where(x => x.SaleDate <= DateTime.SpecifyKind(endDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            if (employeeId != null)
+                query = query.Where(x => x.EmployeeId == employeeId);
+            if (clientId != null)
+                query = query.Where(x => x.ClientId == clientId);
+            if (tourId != null)
+                query = query.Where(x => x.SaleTours!.Any(y => y.TourId == tourId));
+            var s = query.ToList();
+            return [.. query.Select(x => _mapper.Map<SaleDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public SaleDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<SaleDataModel>(GetSaleById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(SaleDataModel saleDataModel)
+    {
+        try
+        {
+            _dbContext.Sales.Add(_mapper.Map<Sale>(saleDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetSaleById(id) ?? throw new ElementNotFoundException(id);
+            if (element.IsCancel)
+            {
+                throw new ElementDeletedException(id);
+            }
+            element.IsCancel = true;
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex) when (ex is ElementDeletedException || ex is ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    private Sale? GetSaleById(string id) => _dbContext.Sales.Include(x => x.Client).Include(x => x.Employee).Include(x => x.SaleTours)!.ThenInclude(x => x.Tour).FirstOrDefault(x => x.Id == id);
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/SuppliesStorageContract.cs

@@ -0,0 +1,100 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class SuppliesStorageContract : ISuppliesStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public SuppliesStorageContract(MagicCarpetDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Supplies, SuppliesDataModel>()
+       .ConstructUsing(src => new SuppliesDataModel(
+           src.Id,
+           src.Type,
+           src.ProductuionDate,
+           src.Count,
+           _mapper.Map<List<TourSuppliesDataModel>>(src.Tours)
+       ));
+
+            cfg.CreateMap<SuppliesDataModel, Supplies>();
+            cfg.CreateMap<TourSuppliesDataModel, TourSupplies>().ReverseMap();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<SuppliesDataModel> GetList(DateTime? startDate = null)
+    {
+        try
+        {
+            return [.. _dbContext.Supplieses.Select(x => _mapper.Map<SuppliesDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public SuppliesDataModel GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<SuppliesDataModel>(GetSuppliesById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(SuppliesDataModel suppliesDataModel)
+    {
+        try
+        {
+            _dbContext.Supplieses.Add(_mapper.Map<Supplies>(suppliesDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(SuppliesDataModel suppliesDataModel)
+    {
+        try
+        {
+            var element = GetSuppliesById(suppliesDataModel.Id) ?? throw new ElementNotFoundException(suppliesDataModel.Id);
+            _dbContext.Supplieses.Update(_mapper.Map(suppliesDataModel, element));
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    private Supplies? GetSuppliesById(string id) => _dbContext.Supplieses.FirstOrDefault(x => x.Id == id);
+}

MagicCarpetProject/MagicCarpetDatabase/Implementations/TourStorageContract.cs

@@ -0,0 +1,185 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Implementations;
+
+public class TourStorageContract : ITourStorageContract
+{
+    private readonly MagicCarpetDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public TourStorageContract(MagicCarpetDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Tour, TourDataModel>();
+            cfg.CreateMap<TourDataModel, Tour>();
+            cfg.CreateMap<TourHistory, TourHistoryDataModel>(); ;
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<TourDataModel> GetList()
+    {
+        try
+        {
+            return [.. _dbContext.Tours.Select(x => _mapper.Map<TourDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public List<TourHistoryDataModel> GetHistoryByTourId(string tourId)
+    {
+        try
+        {
+            return [.. _dbContext.TourHistories.Include(x => x.Tour).Where(x => x.TourId == tourId).OrderByDescending(x => x.ChangeDate).Select(x => _mapper.Map<TourHistoryDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public TourDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<TourDataModel>(GetTourById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public TourDataModel? GetElementByName(string name)
+    {
+        try
+        {
+            return _mapper.Map<TourDataModel>(_dbContext.Tours.FirstOrDefault(x => x.TourName == name));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(TourDataModel tourDataModel)
+    {
+        try
+        {
+            _dbContext.Tours.Add(_mapper.Map<Tour>(tourDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("Id", tourDataModel.Id);
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Tours_TourName" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("TourName", tourDataModel.TourName);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(TourDataModel tourDataModel)
+    {
+        try
+        {
+            var transaction = _dbContext.Database.BeginTransaction();
+            try
+            {
+                var element = GetTourById(tourDataModel.Id) ?? throw new ElementNotFoundException(tourDataModel.Id);
+                if (element.Price != tourDataModel.Price)
+                {
+                    _dbContext.TourHistories.Add(new TourHistory() { TourId = element.Id, OldPrice = element.Price });
+                    _dbContext.SaveChanges();
+                }
+                _dbContext.Tours.Update(_mapper.Map(tourDataModel, element));
+                _dbContext.SaveChanges();
+                transaction.Commit();
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Tours_TourName" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("TourName", tourDataModel.TourName);
+        }
+        catch (Exception ex) when (ex is ElementDeletedException || ex is ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetTourById(id) ?? throw new ElementNotFoundException(id);
+            _dbContext.Tours.Remove(element);
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void ResElement(string id)
+    {
+        try
+        {
+            var element = GetTourById(id) ?? throw new ElementNotFoundException(id);
+            _dbContext.SaveChanges();
+        }
+        catch
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+    }
+
+    private Tour? GetTourById(string id) => _dbContext.Tours.FirstOrDefault(x => x.Id == id);
+}

MagicCarpetProject/MagicCarpetDatabase/MagicCarpetDatabase.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="AutoMapper" Version="14.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.2" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\MagicCarpetContracts\MagicCarpetContracts.csproj" />
+  </ItemGroup>
+
+
+</Project>

MagicCarpetProject/MagicCarpetDatabase/MagicCarpetDbContext.cs

@@ -0,0 +1,71 @@
+using MagicCarpetContracts.Infrastructure;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase;
+
+public class MagicCarpetDbContext(IConfigurationDatabase configurationDatabase) : DbContext
+{
+    private readonly IConfigurationDatabase? _configurationDatabase = configurationDatabase;
+
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+    {
+        optionsBuilder.UseNpgsql(_configurationDatabase?.ConnectionString, o => o.SetPostgresVersion(12, 2));
+        base.OnConfiguring(optionsBuilder);
+    }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<Client>().HasIndex(x => x.PhoneNumber).IsUnique();
+
+        modelBuilder.Entity<Sale>()
+            .HasOne(e => e.Client)
+            .WithMany(e => e.Sales)
+            .OnDelete(DeleteBehavior.SetNull);
+
+        modelBuilder.Entity<Tour>().HasIndex(x => x.TourName).IsUnique();
+
+        modelBuilder.Entity<Post>()
+            .HasIndex(e => new { e.PostName, e.IsActual })
+            .IsUnique()
+            .HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
+
+        modelBuilder.Entity<Post>()
+            .HasIndex(e => new { e.PostId, e.IsActual })
+            .IsUnique()
+            .HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
+
+        modelBuilder.Entity<SaleTour>().HasKey(x => new { x.SaleId, x.TourId });
+
+        modelBuilder.Entity<TourSupplies>().HasKey(x => new { x.SuppliesId, x.TourId });
+
+        modelBuilder.Entity<TourAgency>().HasKey(x => new { x.AgencyId, x.TourId });
+    }
+
+    public DbSet<Client> Clients { get; set; }
+
+    public DbSet<Post> Posts { get; set; }
+
+    public DbSet<Tour> Tours { get; set; }
+
+    public DbSet<TourHistory> TourHistories { get; set; }
+
+    public DbSet<Salary> Salaries { get; set; }
+
+    public DbSet<Sale> Sales { get; set; }
+
+    public DbSet<SaleTour> SaleTours { get; set; }
+
+    public DbSet<Employee> Employees { get; set; }
+    public DbSet<Supplies> Supplieses { get; set; }
+    public DbSet<Agency> Agencies { get; set; }
+    public DbSet<TourSupplies> TourSupplieses { get; set; }
+    public DbSet<TourAgency> TourAgensies { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Agency.cs

@@ -0,0 +1,22 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+[AutoMap(typeof(AgencyDataModel), ReverseMap = true)] 
+public class Agency
+{
+    public required string Id { get; set; }
+    public required TourType TourType { get; set; }
+    public required int Count { get; set; }
+
+    [ForeignKey("AgencyId")]
+    public List<TourAgency>? Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Client.cs

@@ -0,0 +1,24 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+[AutoMap(typeof(ClientDataModel), ReverseMap = true)]
+public class Client
+{
+    public required string Id { get; set; }
+
+    public required string FIO { get; set; } 
+
+    public required string PhoneNumber { get;  set; } 
+
+    public double DiscountSize { get;  set; }
+    [ForeignKey("ClientId")]
+    public List<Sale>? Sales { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Employee.cs

@@ -0,0 +1,39 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+[AutoMap(typeof(EmployeeDataModel), ReverseMap = true)]
+public class Employee
+{
+    public required string Id { get; set; }
+
+    public required string FIO { get; set; }
+
+    public string Email { get; set; }
+
+    public string PostId { get; set; }
+
+    public DateTime BirthDate { get; set; }
+
+    public DateTime EmploymentDate { get; set; }
+
+    public bool IsDeleted { get; set; }
+    [NotMapped]
+    public Post? Post { get; set; }
+    [ForeignKey("EmployeeId")]
+    public List<Salary>? Salaries { get; set; }
+    [ForeignKey("EmployeeId")]
+    public List<Sale>? Sales { get; set; }
+    public Employee AddPost(Post? post)
+    {
+        Post = post;
+        return this;
+    }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Post.cs

@@ -0,0 +1,20 @@
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+public class Post
+{
+    public required string Id { get; set; } = Guid.NewGuid().ToString();
+    public required string PostId { get; set; }
+    public required string PostName { get; set; }
+    public PostType PostType { get; set; }
+    public double Salary { get; set; }
+    public bool IsActual { get; set; }
+    public DateTime ChangeDate { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Salary.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+public class Salary
+{
+    public string Id { get; set; } = Guid.NewGuid().ToString();
+    public required string EmployeeId { get; set; }
+    public DateTime SalaryDate { get; set; } 
+    public double EmployeeSalary { get; set; }
+    public Employee? Employee { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Sale.cs

@@ -0,0 +1,32 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+public class Sale
+{
+    public string Id { get; set; } = Guid.NewGuid().ToString();
+
+    public required string EmployeeId { get; set; } 
+     
+    public string? ClientId { get; set; } 
+
+    public DateTime SaleDate { get; set; } 
+    public double Sum { get; set; } 
+
+    public DiscountType DiscountType { get; set; } 
+
+    public double Discount { get; set; } 
+
+    public bool IsCancel { get; set; }
+    public Employee? Employee { get; set; }
+    public Client? Client { get; set; }
+    [ForeignKey("SaleId")]
+    public List<SaleTour>? SaleTours { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/SaleTour.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+public class SaleTour
+{
+    public required string SaleId { get; set; } 
+
+    public required string TourId { get; set; } 
+
+    public int Count { get; set; }
+
+    public double Price { get; set; }
+
+    public Sale? Sale { get; set; }
+
+    public Tour? Tour { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Supplies.cs

@@ -0,0 +1,22 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+public class Supplies
+{
+    public required string Id { get; set; }
+    public required TourType Type { get; set; }
+    public DateTime ProductuionDate { get; set; }
+    public required int Count { get; set; }
+
+    [ForeignKey("SuppliesId")]
+    public List<TourSupplies>? Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/Tour.cs

@@ -0,0 +1,30 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+[AutoMap(typeof(TourDataModel), ReverseMap = true)]
+public class Tour
+{
+    public required string Id { get; set; } 
+    public required string TourName { get; set; } 
+    public string? TourCountry { get; set; } 
+    public double Price { get; set; } 
+    public required TourType TourType { get; set; }
+    [ForeignKey("TourId")]
+    public List<SaleTour>? SaleTours { get; set; }
+    [ForeignKey("TourId")]
+    public List<TourHistory>? TourHistories { get; set; }
+    [ForeignKey("SuppliesesId")]
+    public List<TourSupplies>? TourSupplies { get; set; }
+    [ForeignKey("AgenciesId")]
+    public List<TourAgency>? TourAgency { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/TourAgency.cs

@@ -0,0 +1,19 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+[AutoMap(typeof(TourAgencyDataModel), ReverseMap = true)]
+public class TourAgency
+{
+    public required string AgencyId { get; set; }
+    public required string TourId { get; set; }
+    public int Count { get; set; }
+    public Agency? Agencies { get; set; }
+    public Tour? Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/TourHistory.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+public class TourHistory
+{
+    public string Id { get; set; } = Guid.NewGuid().ToString();
+    public required string TourId { get; set; }
+    public double OldPrice { get;  set; } 
+    public DateTime ChangeDate { get; set; } 
+    public Tour? Tour { get; set; }
+}

MagicCarpetProject/MagicCarpetDatabase/Models/TourSupplies.cs

@@ -0,0 +1,19 @@
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetDatabase.Models;
+
+[AutoMap(typeof(TourSuppliesDataModel), ReverseMap = true)]
+public class TourSupplies
+{
+    public required string SuppliesId { get; set; }
+    public required string TourId { get; set; }
+    public int Count { get; set; }
+    public Supplies? Supplies { get; set; }
+    public Tour? Tours { get; set; }
+}

MagicCarpetProject/MagicCarpetProject.sln

@@ -9,6 +9,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MagicCarpetTests", "MagicCa
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MagicCarpetBusinessLogic", "MagicCarpetBusinessLogic\MagicCarpetBusinessLogic.csproj", "{688F9182-851F-4CF8-97CD-9B6F1E43D758}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MagicCarpetDatabase", "MagicCarpetDatabase\MagicCarpetDatabase.csproj", "{C69B43B2-8680-42D7-A111-306E2E8225FE}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MagicCarpetWebApi", "MagicCarpetWebApi\MagicCarpetWebApi.csproj", "{EB1F990E-6604-4DE4-81A9-2D1D15E0240F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +31,14 @@ Global
 		{688F9182-851F-4CF8-97CD-9B6F1E43D758}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{688F9182-851F-4CF8-97CD-9B6F1E43D758}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{688F9182-851F-4CF8-97CD-9B6F1E43D758}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C69B43B2-8680-42D7-A111-306E2E8225FE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C69B43B2-8680-42D7-A111-306E2E8225FE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C69B43B2-8680-42D7-A111-306E2E8225FE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C69B43B2-8680-42D7-A111-306E2E8225FE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EB1F990E-6604-4DE4-81A9-2D1D15E0240F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB1F990E-6604-4DE4-81A9-2D1D15E0240F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EB1F990E-6604-4DE4-81A9-2D1D15E0240F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EB1F990E-6604-4DE4-81A9-2D1D15E0240F}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/PostBusinessLogicContractTests.cs

@@ -38,61 +38,53 @@ internal class PostBusinessLogicContractTests
         //Arrange
         var listOriginal = new List<PostDataModel>()
         {
-            new(Guid.NewGuid().ToString(),"name 1", PostType.Manager, 10, true, DateTime.UtcNow),
-            new(Guid.NewGuid().ToString(), "name 2", PostType.Manager, 10, false, DateTime.UtcNow),
-            new(Guid.NewGuid().ToString(), "name 3", PostType.Manager, 10, true, DateTime.UtcNow),
+            new(Guid.NewGuid().ToString(),"name 1", PostType.Manager, 10),
+            new(Guid.NewGuid().ToString(), "name 2", PostType.Manager, 10),
+            new(Guid.NewGuid().ToString(), "name 3", PostType.Manager, 10),
         };
-        _postStorageContract.Setup(x => x.GetList(It.IsAny<bool>())).Returns(listOriginal);
+        _postStorageContract.Setup(x => x.GetList()).Returns(listOriginal);
         //Act
-        var listOnlyActive = _postBusinessLogicContract.GetAllPosts(true);
-        var listAll = _postBusinessLogicContract.GetAllPosts(false);
+        var list = _postBusinessLogicContract.GetAllPosts();
         //Assert
         Assert.Multiple(() =>
         {
-            Assert.That(listOnlyActive, Is.Not.Null);
-            Assert.That(listAll, Is.Not.Null);
-            Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
-            Assert.That(listAll, Is.EquivalentTo(listOriginal));
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Is.EquivalentTo(listOriginal));
         });
-        _postStorageContract.Verify(x => x.GetList(true), Times.Once);
-        _postStorageContract.Verify(x => x.GetList(false), Times.Once);
+        _postStorageContract.Verify(x => x.GetList(), Times.Once);
     }
 
     [Test]
     public void GetAllPosts_ReturnEmptyList_Test()
     {
         //Arrange
-        _postStorageContract.Setup(x => x.GetList(It.IsAny<bool>())).Returns([]);
+        _postStorageContract.Setup(x => x.GetList()).Returns([]);
         //Act
-        var listOnlyActive = _postBusinessLogicContract.GetAllPosts(true);
-        var listAll = _postBusinessLogicContract.GetAllPosts(false);
+        var list = _postBusinessLogicContract.GetAllPosts();
         //Assert
         Assert.Multiple(() =>
         {
-            Assert.That(listOnlyActive, Is.Not.Null);
-            Assert.That(listAll, Is.Not.Null);
-            Assert.That(listOnlyActive, Has.Count.EqualTo(0));
-            Assert.That(listAll, Has.Count.EqualTo(0));
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Has.Count.EqualTo(0));
         });
-        _postStorageContract.Verify(x => x.GetList(It.IsAny<bool>()), Times.Exactly(2));
     }
 
     [Test]
     public void GetAllPosts_ReturnNull_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.GetAllPosts(It.IsAny<bool>()), Throws.TypeOf<NullListException>());
-        _postStorageContract.Verify(x => x.GetList(It.IsAny<bool>()), Times.Once);
+        Assert.That(() => _postBusinessLogicContract.GetAllPosts(), Throws.TypeOf<NullListException>());
+        _postStorageContract.Verify(x => x.GetList(), Times.Once);
     }
 
     [Test]
     public void GetAllPosts_StorageThrowError_ThrowException_Test()
     {
         //Arrange
-        _postStorageContract.Setup(x => x.GetList(It.IsAny<bool>())).Throws(new StorageException(new InvalidOperationException()));
+        _postStorageContract.Setup(x => x.GetList()).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.GetAllPosts(It.IsAny<bool>()), Throws.TypeOf<StorageException>());
-        _postStorageContract.Verify(x => x.GetList(It.IsAny<bool>()), Times.Once);
+        Assert.That(() => _postBusinessLogicContract.GetAllPosts(), Throws.TypeOf<StorageException>());
+        _postStorageContract.Verify(x => x.GetList(), Times.Once);
     }
 
     [Test]
@@ -102,8 +94,8 @@ internal class PostBusinessLogicContractTests
         var postId = Guid.NewGuid().ToString();
         var listOriginal = new List<PostDataModel>()
         {
-            new(postId, "name 1", PostType.Manager, 10, true, DateTime.UtcNow),
-            new(postId, "name 2", PostType.Manager, 10, false, DateTime.UtcNow)
+            new(postId, "name 1", PostType.Manager, 10),
+            new(postId, "name 2", PostType.Manager, 10)
         };
         _postStorageContract.Setup(x => x.GetPostWithHistory(It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -167,7 +159,7 @@ internal class PostBusinessLogicContractTests
     {
         //Arrange
         var id = Guid.NewGuid().ToString();
-        var record = new PostDataModel(id, "name", PostType.Manager, 10, true, DateTime.UtcNow);
+        var record = new PostDataModel(id, "name", PostType.Manager, 10);
         _postStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
         //Act
         var element = _postBusinessLogicContract.GetPostByData(id);
@@ -182,7 +174,7 @@ internal class PostBusinessLogicContractTests
     {
         //Arrange
         var postName = "name";
-        var record = new PostDataModel(Guid.NewGuid().ToString(), postName, PostType.Manager, 10, true, DateTime.UtcNow);
+        var record = new PostDataModel(Guid.NewGuid().ToString(), postName, PostType.Manager, 10);
         _postStorageContract.Setup(x => x.GetElementByName(postName)).Returns(record);
         //Act
         var element = _postBusinessLogicContract.GetPostByData(postName);
@@ -238,12 +230,11 @@ internal class PostBusinessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 10, true, DateTime.UtcNow.AddDays(-1));
+        var record = new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 10);
         _postStorageContract.Setup(x => x.AddElement(It.IsAny<PostDataModel>()))
             .Callback((PostDataModel x) =>
             {
-                flag = x.Id == record.Id && x.PostName == record.PostName && x.PostType == record.PostType && x.Salary == record.Salary &&
-                    x.ChangeDate == record.ChangeDate;
+                flag = x.Id == record.Id && x.PostName == record.PostName && x.PostType == record.PostType && x.Salary == record.Salary;
             });
         //Act
         _postBusinessLogicContract.InsertPost(record);
@@ -258,7 +249,7 @@ internal class PostBusinessLogicContractTests
         //Arrange
         _postStorageContract.Setup(x => x.AddElement(It.IsAny<PostDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.InsertPost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10, true, DateTime.UtcNow)), Throws.TypeOf<ElementExistsException>());
+        Assert.That(() => _postBusinessLogicContract.InsertPost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10)), Throws.TypeOf<ElementExistsException>());
         _postStorageContract.Verify(x => x.AddElement(It.IsAny<PostDataModel>()), Times.Once);
     }
 
@@ -274,7 +265,7 @@ internal class PostBusinessLogicContractTests
     public void InsertPost_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.InsertPost(new PostDataModel("id", "name", PostType.Manager, 10, true, DateTime.UtcNow)), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _postBusinessLogicContract.InsertPost(new PostDataModel("id", "name", PostType.Manager, 10)), Throws.TypeOf<ValidationException>());
         _postStorageContract.Verify(x => x.AddElement(It.IsAny<PostDataModel>()), Times.Never);
     }
 
@@ -284,7 +275,7 @@ internal class PostBusinessLogicContractTests
         //Arrange
         _postStorageContract.Setup(x => x.AddElement(It.IsAny<PostDataModel>())).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.InsertPost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10, true, DateTime.UtcNow)), Throws.TypeOf<StorageException>());
+        Assert.That(() => _postBusinessLogicContract.InsertPost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10)), Throws.TypeOf<StorageException>());
         _postStorageContract.Verify(x => x.AddElement(It.IsAny<PostDataModel>()), Times.Once);
     }
 
@@ -293,12 +284,11 @@ internal class PostBusinessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 10, true, DateTime.UtcNow.AddDays(-1));
+        var record = new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 10);
         _postStorageContract.Setup(x => x.UpdElement(It.IsAny<PostDataModel>()))
             .Callback((PostDataModel x) =>
             {
-                flag = x.Id == record.Id && x.PostName == record.PostName && x.PostType == record.PostType && x.Salary == record.Salary &&
-                    x.ChangeDate == record.ChangeDate;
+                flag = x.Id == record.Id && x.PostName == record.PostName && x.PostType == record.PostType && x.Salary == record.Salary;
             });
         //Act
         _postBusinessLogicContract.UpdatePost(record);
@@ -313,7 +303,7 @@ internal class PostBusinessLogicContractTests
         //Arrange
         _postStorageContract.Setup(x => x.UpdElement(It.IsAny<PostDataModel>())).Throws(new ElementNotFoundException(""));
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10, true, DateTime.UtcNow)), Throws.TypeOf<ElementNotFoundException>());
+        Assert.That(() => _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10)), Throws.TypeOf<ElementNotFoundException>());
         _postStorageContract.Verify(x => x.UpdElement(It.IsAny<PostDataModel>()), Times.Once);
     }
 
@@ -323,7 +313,7 @@ internal class PostBusinessLogicContractTests
         //Arrange
         _postStorageContract.Setup(x => x.UpdElement(It.IsAny<PostDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "anme", PostType.Manager, 10, true, DateTime.UtcNow)), Throws.TypeOf<ElementExistsException>());
+        Assert.That(() => _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "anme", PostType.Manager, 10)), Throws.TypeOf<ElementExistsException>());
         _postStorageContract.Verify(x => x.UpdElement(It.IsAny<PostDataModel>()), Times.Once);
     }
 
@@ -339,7 +329,7 @@ internal class PostBusinessLogicContractTests
     public void UpdatePost_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.UpdatePost(new PostDataModel("id", "name", PostType.Manager, 10, true, DateTime.UtcNow)), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _postBusinessLogicContract.UpdatePost(new PostDataModel("id", "name", PostType.Manager, 10)), Throws.TypeOf<ValidationException>());
         _postStorageContract.Verify(x => x.UpdElement(It.IsAny<PostDataModel>()), Times.Never);
     }
 
@@ -349,7 +339,7 @@ internal class PostBusinessLogicContractTests
         //Arrange
         _postStorageContract.Setup(x => x.UpdElement(It.IsAny<PostDataModel>())).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
-        Assert.That(() => _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10, true, DateTime.UtcNow)), Throws.TypeOf<StorageException>());
+        Assert.That(() => _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "name", PostType.Manager, 10)), Throws.TypeOf<StorageException>());
         _postStorageContract.Verify(x => x.UpdElement(It.IsAny<PostDataModel>()), Times.Once);
     }
 

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/SalaryBusinessLogicContractTests.cs

@@ -164,7 +164,7 @@ internal class SalaryBusinessLogicContractTests
     public void GetAllSalariesByEmployee_EmployeeIdIsNotGuid_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), "workerId"), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), "employeeId"), Throws.TypeOf<ValidationException>());
         _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Never);
     }
 
@@ -191,12 +191,12 @@ internal class SalaryBusinessLogicContractTests
     {
         //Arrange
         var employeeId = Guid.NewGuid().ToString();
-        var saleSum = 200.0;
+        var saleSum = 1.2 * 5;
         var postSalary = 2000.0;
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
-            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, saleSum, DiscountType.None, 0, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, DiscountType.None, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, postSalary, true, DateTime.UtcNow));
+            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, postSalary));
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
             .Returns([new EmployeeDataModel(employeeId, "Test", "123@gmail.com", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         var sum = 0.0;
@@ -213,7 +213,7 @@ internal class SalaryBusinessLogicContractTests
     }
 
     [Test]
-    public void CalculateSalaryByMounth_WithSeveralWorkers_Test()
+    public void CalculateSalaryByMounth_WithSeveralEmployees_Test()
     {
         //Arrange
         var employee1Id = Guid.NewGuid().ToString();
@@ -225,13 +225,13 @@ internal class SalaryBusinessLogicContractTests
             new(employee3Id, "Test", "123@gmail.com", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
-            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employee1Id, null, 1, DiscountType.None, 0, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), employee1Id, null, 1, DiscountType.None, 0, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), employee2Id, null, 1, DiscountType.None, 0, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), employee3Id, null, 1, DiscountType.None, 0, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), employee3Id, null, 1, DiscountType.None, 0, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employee1Id, null, DiscountType.None, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), employee1Id, null, DiscountType.None, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), employee2Id, null, DiscountType.None, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), employee3Id, null, DiscountType.None, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), employee3Id, null, DiscountType.None, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000, true, DateTime.UtcNow));
+            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000));
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
             .Returns(list);
         //Act
@@ -241,7 +241,7 @@ internal class SalaryBusinessLogicContractTests
     }
 
     [Test]
-    public void CalculateSalaryByMounth_WithoutSalesByWorker_Test()
+    public void CalculateSalaryByMounth_WithoutSalesByEmployee_Test()
     {
         //Arrange
         var postSalary = 2000.0;
@@ -249,7 +249,7 @@ internal class SalaryBusinessLogicContractTests
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
             .Returns([]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, postSalary, true, DateTime.UtcNow));
+            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, postSalary));
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
             .Returns([new EmployeeDataModel(employeeId, "Test", "123@gmail.com", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         var sum = 0.0;
@@ -271,7 +271,7 @@ internal class SalaryBusinessLogicContractTests
         //Arrange
         var employeeId = Guid.NewGuid().ToString();
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000, true, DateTime.UtcNow));
+            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000));
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
             .Returns([new EmployeeDataModel(employeeId, "Test", "123@gmail.com", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         //Act&Assert
@@ -284,22 +284,22 @@ internal class SalaryBusinessLogicContractTests
         //Arrange
         var employeeId = Guid.NewGuid().ToString();
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
-            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, 200, DiscountType.None, 0, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, DiscountType.None, false, [])]);
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
-            .Returns([new EmployeeDataModel(employeeId, "Test", "123@gmail.com", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
+            .Returns([new EmployeeDataModel(employeeId, "Test", "abc@gmail.com", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         //Act&Assert
         Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<NullListException>());
     }
 
     [Test]
-    public void CalculateSalaryByMounth_WorkerStorageReturnNull_ThrowException_Test()
+    public void CalculateSalaryByMounth_EmployeeStorageReturnNull_ThrowException_Test()
     {
         //Arrange
         var employeeId = Guid.NewGuid().ToString();
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
-            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, 200, DiscountType.None, 0, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, DiscountType.None, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000, true, DateTime.UtcNow));
+            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000));
         //Act&Assert
         Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<NullListException>());
     }
@@ -312,7 +312,7 @@ internal class SalaryBusinessLogicContractTests
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
             .Throws(new StorageException(new InvalidOperationException()));
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000, true, DateTime.UtcNow));
+            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000));
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
             .Returns([new EmployeeDataModel(employeeId, "Test", "123@gmail.com", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         //Act&Assert
@@ -325,7 +325,7 @@ internal class SalaryBusinessLogicContractTests
         //Arrange
         var employeeId = Guid.NewGuid().ToString();
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
-            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, 200, DiscountType.None, 0, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, DiscountType.None, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
             .Throws(new StorageException(new InvalidOperationException()));
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
@@ -335,14 +335,14 @@ internal class SalaryBusinessLogicContractTests
     }
 
     [Test]
-    public void CalculateSalaryByMounth_WorkerStorageThrowException_ThrowException_Test()
+    public void CalculateSalaryByMounth_EmployeeStorageThrowException_ThrowException_Test()
     {
         //Arrange
         var employeeId = Guid.NewGuid().ToString();
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()))
-            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, 200, DiscountType.None, 0, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, null, DiscountType.None, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
-            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000, true, DateTime.UtcNow));
+            .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 2000));
         _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
             .Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/SaleBusinessLogicContractTests.cs

@@ -43,10 +43,10 @@ internal class SaleBusinessLogicContractTests
         var date = DateTime.UtcNow;
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false,
-                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false,
+                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -107,10 +107,10 @@ internal class SaleBusinessLogicContractTests
         var employeeId = Guid.NewGuid().ToString();
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false,
-                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false,
+                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -188,10 +188,10 @@ internal class SaleBusinessLogicContractTests
         var clientId = Guid.NewGuid().ToString();
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false,
-                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false,
+                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -269,10 +269,10 @@ internal class SaleBusinessLogicContractTests
         var cocktailId = Guid.NewGuid().ToString();
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false,
-                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false,
+                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, DiscountType.None, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -347,8 +347,8 @@ internal class SaleBusinessLogicContractTests
     {
         //Arrange
         var id = Guid.NewGuid().ToString();
-        var record = new SaleDataModel(id, Guid.NewGuid().ToString(), null, 10, DiscountType.None, 0, false,
-                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        var record = new SaleDataModel(id, Guid.NewGuid().ToString(), null, DiscountType.None, false,
+                [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)]);
         _saleStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
         //Act
         var element = _saleBusinessLogicContract.GetSaleByData(id);
@@ -398,8 +398,8 @@ internal class SaleBusinessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new SaleDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, DiscountType.None, 10,
-            false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        var record = new SaleDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.None,
+            false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)]);
         _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<SaleDataModel>())).Returns(true);
         _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>()))
             .Callback((SaleDataModel x) =>
@@ -427,7 +427,7 @@ internal class SaleBusinessLogicContractTests
         _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
         Assert.That(() => _saleBusinessLogicContract.InsertSale(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
-            Guid.NewGuid().ToString(), 10, DiscountType.None, 10, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+            Guid.NewGuid().ToString(), DiscountType.None, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)])), Throws.TypeOf<ElementExistsException>());
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
         _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<SaleDataModel>()), Times.Once);
     }
@@ -444,7 +444,7 @@ internal class SaleBusinessLogicContractTests
     public void InsertSale_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _saleBusinessLogicContract.InsertSale(new SaleDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, DiscountType.None, 10, false, [])), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(new SaleDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.None, false, [])), Throws.TypeOf<ValidationException>());
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Never);
     }
 
@@ -456,7 +456,7 @@ internal class SaleBusinessLogicContractTests
         _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>())).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
         Assert.That(() => _saleBusinessLogicContract.InsertSale(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
-            Guid.NewGuid().ToString(), 10, DiscountType.None, 10, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+            Guid.NewGuid().ToString(), DiscountType.None, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)])), Throws.TypeOf<StorageException>());
         _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<SaleDataModel>()), Times.Once);
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
     }
@@ -466,9 +466,8 @@ internal class SaleBusinessLogicContractTests
     {
         //Arrange
         _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<SaleDataModel>())).Returns(false);
-        Assert.That(() => _saleBusinessLogicContract.InsertSale(new SaleDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
-            Guid.NewGuid().ToString(), 10, DiscountType.None, 10, false,
-            [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<InsufficientException>());
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
+            Guid.NewGuid().ToString(), DiscountType.None, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)])), Throws.TypeOf<InsufficientException>());
         //Act&Assert
         _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<SaleDataModel>()), Times.Once);
     }

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/TourBusinessLogicContractTests.cs

@@ -39,9 +39,9 @@ internal class TourBusinessLogicContractTests
         //Arrange
         var listOriginal = new List<TourDataModel>()
         {
-            new(Guid.NewGuid().ToString(), "name 1", "country1", 15.5, TourType.Ski, [],[]),
-            new(Guid.NewGuid().ToString(), "name 2", "country2", 10.1, TourType.Sightseeing,[],[]),
-            new(Guid.NewGuid().ToString(), "name 3", "country3", 13.9, TourType.Beach,[],[]),
+            new(Guid.NewGuid().ToString(), "name 1", "country1", 15.5, TourType.Ski),
+            new(Guid.NewGuid().ToString(), "name 2", "country2", 10.1, TourType.Sightseeing),
+            new(Guid.NewGuid().ToString(), "name 3", "country3", 13.9, TourType.Beach),
         };
         _tourStorageContract.Setup(x => x.GetList()).Returns(listOriginal);
         //Act
@@ -155,7 +155,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var id = Guid.NewGuid().ToString();
-        var record = new TourDataModel(id, "name", "country", 10, TourType.Ski, [], []);
+        var record = new TourDataModel(id, "name", "country", 10, TourType.Ski);
         _tourStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(id);
@@ -170,7 +170,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var name = "name";
-        var record = new TourDataModel(Guid.NewGuid().ToString(), name, "country", 10, TourType.Ski, [], []);
+        var record = new TourDataModel(Guid.NewGuid().ToString(), name, "country", 10, TourType.Ski);
         _tourStorageContract.Setup(x => x.GetElementByName(name)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(name);
@@ -184,7 +184,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var country = "country";
-        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", country, 10, TourType.Ski, [], []);  
+        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", country, 10, TourType.Ski);  
         _tourStorageContract.Setup(x => x.GetElementByName(country)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(country);
@@ -245,19 +245,16 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new TourDataModel(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
-        _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<TourDataModel>())).Returns(true);
+        var record = new TourDataModel(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski);
         _tourStorageContract.Setup(x => x.AddElement(It.IsAny<TourDataModel>()))
             .Callback((TourDataModel x) =>
             {
-                flag = x.Id == record.Id && x.TourName == record.TourName && x.TourCountry == record.TourCountry 
-                    && x.Price == record.Price && x.Type == record.Type;
+                flag = x.Id == record.Id && x.TourName == record.TourName && x.TourCountry == record.TourCountry
+                    && x.Price == record.Price && x.TourType == record.TourType;
             });
         //Act
         _tourBusinessLogicContract.InsertTour(record);
         //Assert
-        _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<TourDataModel>()), Times.Once);
         _tourStorageContract.Verify(x => x.AddElement(It.IsAny<TourDataModel>()), Times.Once);
         Assert.That(flag);
     }
@@ -268,8 +265,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.AddElement(It.IsAny<TourDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new(Guid.NewGuid().ToString(), "name","country",10, TourType.Ski)), Throws.TypeOf<ElementExistsException>());
         _tourStorageContract.Verify(x => x.AddElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 
@@ -285,7 +281,7 @@ internal class TourBusinessLogicContractTests
     public void InsertTour_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel("id", "name", "country", 10, TourType.Ski, [], [])), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel("id", "name", "country", 10, TourType.Ski)), Throws.TypeOf<ValidationException>());
         _tourStorageContract.Verify(x => x.AddElement(It.IsAny<TourDataModel>()), Times.Never);
     }
 
@@ -293,18 +289,16 @@ internal class TourBusinessLogicContractTests
     public void InsertTour_StorageThrowError_ThrowException_Test()
     {
         //Arrange
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name","country", 10, TourType.Ski,
-            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)], [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<InsufficientException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name","country", 10, TourType.Ski)), Throws.TypeOf<InsufficientException>());
         //Act&Assert
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
     }
 
     [Test]
-    public void InsertFurniture_InsufficientError_ThrowException_Test()
+    public void InsertTour_InsufficientError_ThrowException_Test()
     {
         //Arrange
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])),Throws.TypeOf<InsufficientException>());
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)),Throws.TypeOf<InsufficientException>());
         //Act&Assert
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
     }
@@ -314,13 +308,12 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski);
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>()))
             .Callback((TourDataModel x) =>
             {
                 flag = x.Id == record.Id && x.TourName == record.TourName && x.TourCountry == record.TourCountry
-                    && x.Price == record.Price && x.Type == record.Type;
+                    && x.Price == record.Price && x.TourType == record.TourType;
             });
         //Act
         _tourBusinessLogicContract.UpdateTour(record);
@@ -335,8 +328,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>())).Throws(new ElementNotFoundException(""));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementNotFoundException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf<ElementNotFoundException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 
@@ -346,8 +338,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf <ElementExistsException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf <ElementExistsException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 
@@ -363,8 +354,7 @@ internal class TourBusinessLogicContractTests
     public void UpdateTour_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new TourDataModel("id", "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new TourDataModel("id", "name", "country", 10, TourType.Ski)), Throws.TypeOf<ValidationException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
     }
 
@@ -374,8 +364,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>())).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski, [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)],
-            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf<StorageException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 

MagicCarpetProject/MagicCarpetTests/DataModelTests/AgencyDataModelTests.cs

@@ -66,7 +66,7 @@ internal class AgencyDataModelTests
         Assert.Multiple(() =>
         {
             Assert.That(model.Id, Is.EqualTo(id));
-            Assert.That(model.Type, Is.EqualTo(type));
+            Assert.That(model.TourType, Is.EqualTo(type));
             Assert.That(model.Count, Is.EqualTo(count));
             Assert.That(model.Tours, Is.EqualTo(tours));
         });

MagicCarpetProject/MagicCarpetTests/DataModelTests/PostDataModelTests.cs

@@ -14,41 +14,41 @@ internal class PostDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var post = CreateDataModel(null, "name", PostType.Manager, 10, true, DateTime.UtcNow);
+        var post = CreateDataModel(null, "name", PostType.Manager, 10);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
-        post = CreateDataModel(string.Empty, "name", PostType.Manager, 10, true, DateTime.UtcNow);
+        post = CreateDataModel(string.Empty, "name", PostType.Manager, 10);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var post = CreateDataModel("id", "name", PostType.Manager, 10, true, DateTime.UtcNow);
+        var post = CreateDataModel("id", "name", PostType.Manager, 10);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void PostNameIsEmptyTest()
     {
-        var manufacturer = CreateDataModel(Guid.NewGuid().ToString(),  null, PostType.Manager, 10, true, DateTime.UtcNow);
+        var manufacturer = CreateDataModel(Guid.NewGuid().ToString(), null, PostType.Manager, 10);
         Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
-        manufacturer = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, PostType.Manager, 10, true, DateTime.UtcNow);
+        manufacturer = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, PostType.Manager, 10);
         Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void PostTypeIsNoneTest()
     {
-        var post = CreateDataModel(Guid.NewGuid().ToString(),  "name", PostType.None, 10, true, DateTime.UtcNow);
+        var post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.None, 10);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void SalaryIsLessOrZeroTest()
     {
-        var post = CreateDataModel(Guid.NewGuid().ToString(),  "name", PostType.Manager, 0, true, DateTime.UtcNow);
+        var post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, 0);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
-        post = CreateDataModel(Guid.NewGuid().ToString(),  "name", PostType.Manager, -10, true, DateTime.UtcNow);
+        post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.Manager, -10);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
     }
 
@@ -56,13 +56,10 @@ internal class PostDataModelTests
     public void AllFieldsIsCorrectTest()
     {
         var postId = Guid.NewGuid().ToString();
-        var postPostId = Guid.NewGuid().ToString();
         var postName = "name";
         var postType = PostType.Manager;
         var salary = 10;
-        var isActual = false;
-        var changeDate = DateTime.UtcNow.AddDays(-1);
-        var post = CreateDataModel(postId, postName, postType, salary, isActual, changeDate);
+        var post = CreateDataModel(postId, postName, postType, salary);
         Assert.That(() => post.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
         {
@@ -70,11 +67,9 @@ internal class PostDataModelTests
             Assert.That(post.PostName, Is.EqualTo(postName));
             Assert.That(post.PostType, Is.EqualTo(postType));
             Assert.That(post.Salary, Is.EqualTo(salary));
-            Assert.That(post.IsActual, Is.EqualTo(isActual));
-            Assert.That(post.ChangeDate, Is.EqualTo(changeDate));
         });
     }
 
-    private static PostDataModel CreateDataModel(string? id, string? postName, PostType postType, double salary, bool isActual, DateTime changeDate) =>
-        new(id, postName, postType, salary, isActual, changeDate);
+    private static PostDataModel CreateDataModel(string? id, string? postName, PostType postType, double salary) =>
+        new(id, postName, postType, salary);
 }

MagicCarpetProject/MagicCarpetTests/DataModelTests/SaleDataModelTests.cs

@@ -15,89 +15,120 @@ internal class SaleDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var sale = CreateDataModel(null, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, CreateSubDataModel());
+        var sale = CreateDataModel(null, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.OnSale, false, CreateSubDataModel());
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
-        sale = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, CreateSubDataModel());
+        sale = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.OnSale, false, CreateSubDataModel());
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var sale = CreateDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, CreateSubDataModel());
+        var sale = CreateDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.OnSale, false, CreateSubDataModel());
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
     }
     [Test]
     public void EmployeeIdIsNullOrEmptyTest()
     {
-        var sale = CreateDataModel(Guid.NewGuid().ToString(), null, Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, CreateSubDataModel());
+        var sale = CreateDataModel(Guid.NewGuid().ToString(), null, Guid.NewGuid().ToString(), DiscountType.OnSale, false, CreateSubDataModel());
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
-        sale = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, CreateSubDataModel());
+        sale = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, Guid.NewGuid().ToString(), DiscountType.OnSale, false, CreateSubDataModel());
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void EmployeeIdIsNotGuidTest()
     {
-        var sale = CreateDataModel(Guid.NewGuid().ToString(), "employeeId", Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, CreateSubDataModel());
+        var sale = CreateDataModel(Guid.NewGuid().ToString(), "employeeId", Guid.NewGuid().ToString(), DiscountType.OnSale, false, CreateSubDataModel());
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void ClientIdIsNotGuidTest()
     {
-        var sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "clientId", 10, DiscountType.OnSale, 10, false, CreateSubDataModel());
-        Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
-    }
-
-    [Test]
-    public void SumIsLessOrZeroTest()
-    {
-        var sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0, DiscountType.OnSale, 10, false, CreateSubDataModel());
-        Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
-        sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10, DiscountType.OnSale, 10, false, CreateSubDataModel());
+        var sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "clientId", DiscountType.OnSale, false, CreateSubDataModel());
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void ToursIsNullOrEmptyTest()
     {
-        var sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, null);
+        var sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.OnSale, false, null);
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
-        sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, DiscountType.OnSale, 10, false, []);
+        sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.OnSale, false, []);
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
     }
 
+    [Test]
+    public void CalcSumAndDiscountTest()
+    {
+        var saleId = Guid.NewGuid().ToString();
+        var employeeId = Guid.NewGuid().ToString();
+        var clientId = Guid.NewGuid().ToString();
+        var tours = new List<SaleTourDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 2, 1.1),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1, 1.3)
+        };
+        var isCancel = false;
+        var totalSum = tours.Sum(x => x.Price * x.Count);
+        var saleNone = CreateDataModel(saleId, employeeId, clientId, DiscountType.None, isCancel, tours);
+        Assert.Multiple(() =>
+        {
+            Assert.That(saleNone.Sum, Is.EqualTo(totalSum));
+            Assert.That(saleNone.Discount, Is.EqualTo(0));
+        });
+        var saleOnSale = CreateDataModel(saleId, employeeId, clientId, DiscountType.OnSale, isCancel, tours);
+        Assert.Multiple(() =>
+        {
+            Assert.That(saleOnSale.Sum, Is.EqualTo(totalSum));
+            Assert.That(saleOnSale.Discount, Is.EqualTo(totalSum * 0.1));
+        });
+        var saleRegularCustomer = CreateDataModel(saleId, employeeId, clientId, DiscountType.RegularCustomer, isCancel, tours);
+        Assert.Multiple(() =>
+        {
+            Assert.That(saleRegularCustomer.Sum, Is.EqualTo(totalSum));
+            Assert.That(saleRegularCustomer.Discount, Is.EqualTo(totalSum * 0.5));
+        });
+        var saleCertificate = CreateDataModel(saleId, employeeId, clientId, DiscountType.Certificate, isCancel, tours);
+        Assert.Multiple(() =>
+        {
+            Assert.That(saleCertificate.Sum, Is.EqualTo(totalSum));
+            Assert.That(saleCertificate.Discount, Is.EqualTo(totalSum * 0.3));
+        });
+        var saleMulty = CreateDataModel(saleId, employeeId, clientId, DiscountType.Certificate | DiscountType.RegularCustomer, isCancel, tours);
+        Assert.Multiple(() =>
+        {
+            Assert.That(saleMulty.Sum, Is.EqualTo(totalSum));
+            Assert.That(saleMulty.Discount, Is.EqualTo(totalSum * 0.8));
+        });
+    }
+
     [Test]
     public void AllFieldsIsCorrectTest()
     {
         var saleId = Guid.NewGuid().ToString();
         var employeeId = Guid.NewGuid().ToString();
         var clientId = Guid.NewGuid().ToString();
-        var sum = 10;
         var discountType = DiscountType.Certificate;
-        var discount = 1;
         var isCancel = true;
         var tours = CreateSubDataModel();
-        var sale = CreateDataModel(saleId, employeeId, clientId, sum, discountType, discount, isCancel, tours);
+        var sale = CreateDataModel(saleId, employeeId, clientId, discountType, isCancel, tours);
         Assert.That(() => sale.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
         {
             Assert.That(sale.Id, Is.EqualTo(saleId));
             Assert.That(sale.EmployeeId, Is.EqualTo(employeeId));
             Assert.That(sale.ClientId, Is.EqualTo(clientId));
-            Assert.That(sale.Sum, Is.EqualTo(sum));
             Assert.That(sale.DiscountType, Is.EqualTo(discountType));
-            Assert.That(sale.Discount, Is.EqualTo(discount));
             Assert.That(sale.IsCancel, Is.EqualTo(isCancel));
             Assert.That(sale.Tours, Is.EquivalentTo(tours));
         });
     }
 
-    private static SaleDataModel CreateDataModel(string? id, string? employeeId, string? clientId, double sum, DiscountType discountType, 
-        double discount, bool isCancel, List<SaleTourDataModel>? tours) =>
-        new(id, employeeId, clientId, sum, discountType, discount, isCancel, tours);
+    private static SaleDataModel CreateDataModel(string? id, string? employeeId, string? clientId, DiscountType discountType, bool isCancel, List<SaleTourDataModel>? tours) =>
+        new(id, employeeId, clientId, discountType, isCancel, tours);
 
     private static List<SaleTourDataModel> CreateSubDataModel()
-        => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+        => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1, 1.1)];
 }

MagicCarpetProject/MagicCarpetTests/DataModelTests/SaleTourDataModelTests.cs

@@ -14,41 +14,50 @@ internal class SaleTourDataModelTests
     [Test]
     public void SaleIdIsNullOrEmptyTest()
     {
-        var saleTour = CreateDataModel(null, Guid.NewGuid().ToString(), 10);
+        var saleTour = CreateDataModel(null, Guid.NewGuid().ToString(), 10, 1.1);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
-        saleTour = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        saleTour = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10, 1.1);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void SaleIdIsNotGuidTest()
     {
-        var saleTour = CreateDataModel("saleId", Guid.NewGuid().ToString(), 10);
+        var saleTour = CreateDataModel("saleId", Guid.NewGuid().ToString(), 10, 1.1);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
-    public void CocktailIdIsNullOrEmptyTest()
+    public void TourIdIsNullOrEmptyTest()
     {
-        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), null, 10);
+        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), null, 10, 1.1);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
-        saleTour = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        saleTour = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10, 1.1);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
-    public void ProductIdIsNotGuidTest()
+    public void TourIdIsNotGuidTest()
     {
-        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), "productId", 10);
+        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), "tourId", 10, 1.1);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void CountIsLessOrZeroTest()
     {
-        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
+        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0, 1.1);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
-        saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10);
+        saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10, 1.1);
+        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PriceIsLessOrZeroTest()
+    {
+        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1, 0);
+        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
+        saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1, -10);
         Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
@@ -58,16 +67,18 @@ internal class SaleTourDataModelTests
         var saleId = Guid.NewGuid().ToString();
         var tourId = Guid.NewGuid().ToString();
         var count = 10;
-        var saleCocktail = CreateDataModel(saleId, tourId, count);
-        Assert.That(() => saleCocktail.Validate(), Throws.Nothing);
+        var price = 1.2;
+        var saleTour = CreateDataModel(saleId, tourId, count, price);
+        Assert.That(() => saleTour.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
         {
-            Assert.That(saleCocktail.SaleId, Is.EqualTo(saleId));
-            Assert.That(saleCocktail.TourId, Is.EqualTo(tourId));
-            Assert.That(saleCocktail.Count, Is.EqualTo(count));
+            Assert.That(saleTour.SaleId, Is.EqualTo(saleId));
+            Assert.That(saleTour.TourId, Is.EqualTo(tourId));
+            Assert.That(saleTour.Count, Is.EqualTo(count));
+            Assert.That(saleTour.Price, Is.EqualTo(price));
         });
     }
 
-    private static SaleTourDataModel CreateDataModel(string? saleId, string? tourId, int count) =>
-        new(saleId, tourId, count);
+    private static SaleTourDataModel CreateDataModel(string? saleId, string? tourId, int count, double price) =>
+        new(saleId, tourId, count, price);
 }

MagicCarpetProject/MagicCarpetTests/DataModelTests/SuppliesDataModelTests.cs

@@ -66,7 +66,7 @@ internal class SuppliesDataModelTests
         Assert.Multiple(() =>
         {
             Assert.That(model.Id, Is.EqualTo(id));
-            Assert.That(model.Type, Is.EqualTo(type));
+            Assert.That(model.TourType, Is.EqualTo(type));
             Assert.That(model.ProductuionDate, Is.EqualTo(date));
             Assert.That(model.Count, Is.EqualTo(count));
             Assert.That(model.Tours, Is.EqualTo(tours));

MagicCarpetProject/MagicCarpetTests/DataModelTests/TourDataModelTests.cs

@@ -15,78 +15,49 @@ internal class TourDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var cocktail = CreateDataModel(null, "name", "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(string.Empty, "name", "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel(null, "name", "country", 10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
+        tour = CreateDataModel(string.Empty, "name", "country", 10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var cocktail = CreateDataModel("id", "name", "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel("id", "name", "country", 10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void TourNameIsNullOrEmptyTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, "country", 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "country", 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "country", 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
     }
     public void TourCountryIsNullOrEmptyTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", null, 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", null, 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", string.Empty, 10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
+        cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", string.Empty, 10.5, TourType.Beach);
         Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void PriceIsLessOrZeroTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, string.Empty, -10.5, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
+        tour = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, string.Empty, -10.5, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void TourTypeIsNoneTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach,
-            CreateSuppliesDataModel(), CreateAgencyDataModel());
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
-    }
-    [Test]
-    public void SuppliesIsEmptyOrNullTest()
-    {
-        var model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, [], CreateAgencyDataModel());
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
-
-        model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, null, CreateAgencyDataModel());
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
-    }
-
-    [Test]
-    public void AgencyIsEmptyOrNullTest()
-    {
-        var model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, CreateSuppliesDataModel(), []);
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
-
-        model = CreateDataModel(Guid.NewGuid().ToString(), "name", "country", 10.5, TourType.Beach, CreateSuppliesDataModel(), null);
-        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
@@ -99,7 +70,7 @@ internal class TourDataModelTests
         var tourType = TourType.Ski;
         var supplies = CreateSuppliesDataModel();
         var agency = CreateAgencyDataModel();
-        var tour = CreateDataModel(tourId, tourName, tourCountry, price, tourType, supplies, agency);
+        var tour = CreateDataModel(tourId, tourName, tourCountry, price, tourType);
         Assert.That(() => tour.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
         {
@@ -107,15 +78,12 @@ internal class TourDataModelTests
             Assert.That(tour.TourName, Is.EqualTo(tourName));
             Assert.That(tour.TourCountry, Is.EqualTo(tourCountry));
             Assert.That(tour.Price, Is.EqualTo(price));
-            Assert.That(tour.Type, Is.EqualTo(tourType));
-            Assert.That(tour.Supplies, Is.EqualTo(supplies));
-            Assert.That(tour.Agency, Is.EqualTo(agency));
+            Assert.That(tour.TourType, Is.EqualTo(tourType));
         });
     }
 
-    private static TourDataModel CreateDataModel(string? id, string? tourName, string? countryName, double price, TourType tourType,
-         List<TourSuppliesDataModel> supplies, List<TourAgencyDataModel> agency) =>
-        new(id, tourName, countryName,price, tourType, supplies, agency);
+    private static TourDataModel CreateDataModel(string? id, string? tourName, string? countryName, double price, TourType tourType) =>
+        new(id, tourName, countryName,price, tourType);
     private static List<TourSuppliesDataModel> CreateSuppliesDataModel()
                 => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
 

MagicCarpetProject/MagicCarpetTests/Infrastructure/ConfigurationDatabaseTest.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MagicCarpetContracts.Infrastructure;
+
+namespace MagicCarpetTests.Infrastructure;
+
+internal class ConfigurationDatabaseTest : IConfigurationDatabase
+{
+    public string ConnectionString => "Host=127.0.0.1;Port=5432;Database=MagicCarpetTest;Username=postgres;Password=postgres;";
+}

MagicCarpetProject/MagicCarpetTests/Infrastructure/CustomWebApplicationFactory.cs

@@ -0,0 +1,36 @@
+using MagicCarpetContracts.Infrastructure;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.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);
+    }
+}

MagicCarpetProject/MagicCarpetTests/Infrastructure/MagicCarpetDbContextExtensions.cs

@@ -0,0 +1,142 @@
+using MagicCarpetContracts.Enums;
+using MagicCarpetDatabase;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.Infrastructure;
+
+internal static class MagicCarpetDbContextExtensions
+{
+    public static Client InsertClientToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, string fio = "test", string phoneNumber = "+7-777-777-77-77", double discountSize = 10)
+    {
+        var client = new Client() { Id = id ?? Guid.NewGuid().ToString(), FIO = fio, PhoneNumber = phoneNumber, DiscountSize = discountSize };
+        dbContext.Clients.Add(client);
+        dbContext.SaveChanges();
+        return client;
+    }
+
+    public static Post InsertPostToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, string postName = "test", PostType postType = PostType.Manager, 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 Tour InsertTourToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, string tourName = "test", string tourCountry = "country", TourType tourType = TourType.Beach, double price = 1)
+    {
+        var tour = new Tour() { Id = id ?? Guid.NewGuid().ToString(), TourName = tourName, TourCountry = tourCountry, TourType = tourType, Price = price };
+        dbContext.Tours.Add(tour);
+        dbContext.SaveChanges();
+        return tour;
+    }
+
+    public static TourHistory InsertTourHistoryToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string tourId, double price = 10, DateTime? changeDate = null)
+    {
+        var tourHistory = new TourHistory() { Id = Guid.NewGuid().ToString(), TourId = tourId, OldPrice = price, ChangeDate = changeDate ?? DateTime.UtcNow };
+        dbContext.TourHistories.Add(tourHistory);
+        dbContext.SaveChanges();
+        return tourHistory;
+    }
+
+    public static Salary InsertSalaryToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string employeeId, double employeeSalary = 1, DateTime? salaryDate = null)
+    {
+        var salary = new Salary() { EmployeeId = employeeId, EmployeeSalary = employeeSalary, SalaryDate = salaryDate ?? DateTime.UtcNow };
+        dbContext.Salaries.Add(salary);
+        dbContext.SaveChanges();
+        return salary;
+    }
+
+    public static Sale InsertSaleToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string employeeId, string? clientId = null, DateTime? saleDate = null, double sum = 1, DiscountType discountType = DiscountType.None, double discount = 0, bool isCancel = false, List<(string, int, double)>? tours = null)
+    {
+        var sale = new Sale() { EmployeeId = employeeId, ClientId = clientId, SaleDate = saleDate ?? DateTime.UtcNow, Sum = sum, DiscountType = discountType, Discount = discount, IsCancel = isCancel, SaleTours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                sale.SaleTours.Add(new SaleTour { TourId = elem.Item1, SaleId = sale.Id, Count = elem.Item2, Price = elem.Item3 });
+            }
+        }
+        dbContext.Sales.Add(sale);
+        dbContext.SaveChanges();
+        return sale;
+    }
+
+    public static Employee InsertEmployeeToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, string fio = "test", string email = "abc@gmail.com", string? postId = null, DateTime? birthDate = null, DateTime? employmentDate = null, bool isDeleted = false)
+    {
+        var employee = new Employee() { Id = id ?? Guid.NewGuid().ToString(), FIO = fio, Email = email, PostId = postId ?? Guid.NewGuid().ToString(), BirthDate = birthDate ?? DateTime.UtcNow.AddYears(-20), EmploymentDate = employmentDate ?? DateTime.UtcNow, IsDeleted = isDeleted };
+        dbContext.Employees.Add(employee);
+        dbContext.SaveChanges();
+        return employee;
+    }
+
+    public static Agency InsertAgencyToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, TourType tourType = TourType.Beach, int count = 20, List<(string, int)>? tours = null)
+    {
+        var agency = new Agency() { Id = id ?? Guid.NewGuid().ToString(), TourType = tourType, Count = count, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                agency.Tours.Add(new TourAgency { AgencyId = agency.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        dbContext.Agencies.Add(agency);
+        dbContext.SaveChanges();
+        return agency;
+    }
+
+    public static Supplies InsertSuppliesToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, TourType type = TourType.Beach, int count = 20, DateTime? date = null, List<(string, int)>? tours = null)
+    {
+        var supply = new Supplies() { Id = id ?? Guid.NewGuid().ToString(), Type = type, Count = count, ProductuionDate = date ?? DateTime.UtcNow, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                supply.Tours.Add(new TourSupplies { SuppliesId = supply.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        dbContext.Supplieses.Add(supply);
+        dbContext.SaveChanges();
+        return supply;
+    }
+
+    public static Client? GetClientFromDatabase(this MagicCarpetDbContext dbContext, string id) => dbContext.Clients.FirstOrDefault(x => x.Id == id);
+
+    public static Post? GetPostFromDatabaseByPostId(this MagicCarpetDbContext dbContext, string id) => dbContext.Posts.FirstOrDefault(x => x.PostId == id && x.IsActual);
+
+    public static Post[] GetPostsFromDatabaseByPostId(this MagicCarpetDbContext dbContext, string id) => [.. dbContext.Posts.Where(x => x.PostId == id).OrderByDescending(x => x.ChangeDate)];
+
+    public static Tour? GetTourFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Tours.FirstOrDefault(x => x.Id == id);
+
+    public static Salary[] GetSalariesFromDatabaseByEmployeeId(this MagicCarpetDbContext dbContext, string id) => [.. dbContext.Salaries.Where(x => x.EmployeeId == id)];
+
+    public static Sale? GetSaleFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Sales.Include(x => x.SaleTours).FirstOrDefault(x => x.Id == id);
+
+    public static Sale[] GetSalesByClientId(this MagicCarpetDbContext dbContext, string? clientId) => [.. dbContext.Sales.Include(x => x.SaleTours).Where(x => x.ClientId == clientId)];
+
+    public static Employee? GetEmployeeFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Employees.FirstOrDefault(x => x.Id == id);
+    public static Agency? GetAgencyFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Agencies.Include(x => x.Tours).FirstOrDefault(x => x.Id == id);
+    public static Supplies? GetSuppliesFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Supplieses.Include(x => x.Tours).FirstOrDefault(x => x.Id == id);
+
+    public static void RemoveClientsFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Clients\" CASCADE;");
+
+    public static void RemovePostsFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Posts\" CASCADE;");
+
+    public static void RemoveToursFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Tours\" CASCADE;");
+
+    public static void RemoveSalariesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Salaries\" CASCADE;");
+
+    public static void RemoveSalesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Sales\" CASCADE;");
+
+    public static void RemoveEmployeesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Employees\" CASCADE;");
+
+    public static void RemoveAgenciesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Agencies\" CASCADE;");
+    public static void RemoveSuppliesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Supplieses\" CASCADE;");
+
+    private static void ExecuteSqlRaw(this MagicCarpetDbContext dbContext, string command) => dbContext.Database.ExecuteSqlRaw(command);
+}

MagicCarpetProject/MagicCarpetTests/MagicCarpetTests.csproj

@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
@@ -9,18 +9,30 @@
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Content Include="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
+      <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+    </Content>
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.3" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
+    <PackageReference Include="Serilog" Version="4.2.0" />
   </ItemGroup>
 
   <ItemGroup>
     <ProjectReference Include="..\MagicCarpetBusinessLogic\MagicCarpetBusinessLogic.csproj" />
     <ProjectReference Include="..\MagicCarpetContracts\MagicCarpetContracts.csproj" />
+    <ProjectReference Include="..\MagicCarpetDatabase\MagicCarpetDatabase.csproj" />
+    <ProjectReference Include="..\MagicCarpetWebApi\MagicCarpetWebApi.csproj" />
   </ItemGroup>
 
   <ItemGroup>

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/AgencyStorageContractTests.cs

@@ -0,0 +1,215 @@
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetDatabase.Implementations;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MagicCarpetDatabase.Models;
+using MagicCarpetContracts.Enums;
+using Microsoft.EntityFrameworkCore;
+using MagicCarpetContracts.DataModels;
+
+namespace MagicCarpetTests.StoragesContractsTests;
+
+[TestFixture]
+internal class AgencyStorageContractTests : BaseStorageContractTest
+{
+    private AgencyStorageContract _agencyStorageContract;
+    private Tour _tour;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _agencyStorageContract = new AgencyStorageContract(MagicCarpetDbContext);
+        _tour = InsertTourToDatabaseAndReturn(Guid.NewGuid().ToString(), "name", TourType.Sightseeing);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Agencies\" CASCADE;");
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Tours\" CASCADE;");
+    }
+
+    [Test]
+    public void Try_GetList_WhenHaveRecords_Test()
+    {
+        var agency = InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        var list = _agencyStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(3));
+        AssertElement(list.First(), agency);
+    }
+
+    [Test]
+    public void Try_GetList_WhenNoRecords_Test()
+    {
+        var list = _agencyStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.Empty);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenHaveRecord_Test()
+    {
+        var agency = InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        var result = _agencyStorageContract.GetElementById(agency.Id);
+        AssertElement(result, agency);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenNoRecord_Test()
+    {
+        Assert.That(() => _agencyStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenValidData_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        _agencyStorageContract.AddElement(agency);
+        var result = GetAgencyFromDatabaseById(agency.Id);
+        AssertElement(result, agency);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenHaveRecordWithSameId_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        InsertAgencyToDatabaseAndReturn(agency.Id, TourType.Sightseeing, 5, [(_tour.Id, 3)]);
+        Assert.That(() => _agencyStorageContract.AddElement(agency), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_AddElement_WhenNoHaveTour_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 0, [_tour.Id]);
+        InsertAgencyToDatabaseAndReturn(agency.Id, TourType.Sightseeing, 5, [(_tour.Id, 3)]);
+        Assert.That(() => _agencyStorageContract.AddElement(agency), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenValidData_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        InsertAgencyToDatabaseAndReturn(agency.Id, TourType.Ski, 10, null);
+        _agencyStorageContract.UpdElement(agency);
+        var result = GetAgencyFromDatabaseById(agency.Id);
+        AssertElement(result, agency);
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenNoRecordWithThisId_Test()
+    {
+        var agency = CreateModel(Guid.NewGuid().ToString(), TourType.Sightseeing, 5, [_tour.Id]);
+        Assert.That(() => _agencyStorageContract.UpdElement(agency), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    [Test]
+    public void Try_DelElement_WhenRecordExists_Test()
+    {
+        var agency = InsertAgencyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Sightseeing, 5);
+        _agencyStorageContract.DelElement(agency.Id);
+        var result = GetAgencyFromDatabaseById(agency.Id);
+        Assert.That(result, Is.Null);
+    }
+
+    [Test]
+    public void Try_DelElement_WhenRecordDoesNotExist_ThrowsElementNotFoundException()
+    {
+        Assert.That(() => _agencyStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    private Tour InsertTourToDatabaseAndReturn(string id, string name, TourType type)
+    {
+        var tour = new Tour { Id = id, TourName = name, TourType = type };
+        MagicCarpetDbContext.Tours.Add(tour);
+        MagicCarpetDbContext.SaveChanges();
+        return tour;
+    }
+
+    private Agency InsertAgencyToDatabaseAndReturn(string id, TourType type, int count, List<(string, int)>? tours = null)
+    {
+        var agency = new Agency { Id = id, TourType = type, Count = count, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                agency.Tours.Add(new TourAgency { AgencyId = agency.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        MagicCarpetDbContext.Agencies.Add(agency);
+        MagicCarpetDbContext.SaveChanges();
+        return agency;
+    }
+
+    private static void AssertElement(AgencyDataModel? actual, Agency expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.TourType, Is.EqualTo(expected.TourType));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static void AssertElement(Agency? actual, AgencyDataModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.TourType, Is.EqualTo(expected.TourType));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static AgencyDataModel CreateModel(string id, TourType type, int count, List<string> toursIds)
+    {
+        var tours = toursIds.Select(x => new TourAgencyDataModel(id, x, 1)).ToList();
+        return new(id, type, count, tours);
+    }
+
+    private Agency? GetAgencyFromDatabaseById(string id)
+    {
+        return MagicCarpetDbContext.Agencies.FirstOrDefault(x => x.Id == id);
+    }
+}

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/BaseStorageContractTest.cs

@@ -0,0 +1,30 @@
+using MagicCarpetTests.Infrastructure;
+using MagicCarpetDatabase;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.StoragesContractsTests;
+
+internal abstract class BaseStorageContractTest
+{
+    protected MagicCarpetDbContext MagicCarpetDbContext { get; private set; }
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        MagicCarpetDbContext = new MagicCarpetDbContext(new ConfigurationDatabaseTest());
+
+        MagicCarpetDbContext.Database.EnsureDeleted();
+        MagicCarpetDbContext.Database.EnsureCreated();
+    }
+
+    [OneTimeTearDown]
+    public void OneTimeTearDown()
+    {
+        MagicCarpetDbContext.Database.EnsureDeleted();
+        MagicCarpetDbContext.Dispose();
+    }
+}