еще какие-то изменения

AndDietCokeProject/AndDietCokeBuisnessLogic/AndDietCokeBuisnessLogic.csproj

@@ -1,19 +1,19 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>preview</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoMapper" Version="12.0.0" />
+    <PackageReference Include="AutoMapper" Version="14.0.0" />
     <PackageReference Include="EntityFramework" Version="6.5.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.15" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.3" />
-    <PackageReference Include="Npgsql" Version="7.0.10" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.4" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.4" />
+    <PackageReference Include="Npgsql" Version="9.0.3" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
   </ItemGroup>
 
   <ItemGroup>
@@ -22,6 +22,7 @@
 
 	<ItemGroup>
 		<InternalsVisibleTo Include="AndDietCokeTests" />
+		<InternalsVisibleTo Include="AndDietCokeWebApi" />
 		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
 	</ItemGroup>
 

AndDietCokeProject/AndDietCokeBuisnessLogic/Implementations/DishBusinessLogicContract.cs

@@ -25,7 +25,7 @@ internal class DishBusinessLogicContract(IDishStorageContract dishStorageContrac
     }
     public List<DishHistoryDataModel> GetDishHistoryByDish(string dishId)
     {
-        _logger.LogInformation("GetProductHistoryByProduct for {dishId}", dishId);
+        _logger.LogInformation("GetDishHistoryByDish for {dishId}", dishId);
         if (dishId.IsEmpty())
         {
             throw new ArgumentNullException(nameof(dishId));

AndDietCokeProject/AndDietCokeBuisnessLogic/Implementations/SaleBusinessLogicContract.cs

@@ -77,9 +77,9 @@ internal class SaleBusinessLogicContract(ISaleStorageContract saleStorageContrac
         }
         if (!dishId.IsGuid())
         {
-            throw new ValidationException("The value in the field productId is not a unique identifier.");
+            throw new ValidationException("The value in the field dishId is not a unique identifier.");
         }
-        return _saleStorageContract.GetList(fromDate, toDate, productId: dishId) ?? throw new NullListException();
+        return _saleStorageContract.GetList(fromDate, toDate, dishId: dishId) ?? throw new NullListException();
     }
 
     public SaleDataModel GetSaleByData(string data)

AndDietCokeProject/AndDietCokeDatabase/AndDietCokeDatabase.csproj

@@ -1,18 +1,18 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>preview</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoMapper" Version="12.0.0" />
+    <PackageReference Include="AutoMapper" Version="14.0.0" />
     <PackageReference Include="EntityFramework" Version="6.5.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.15" />
-    <PackageReference Include="Npgsql" Version="7.0.10" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.4" />
+    <PackageReference Include="Npgsql" Version="9.0.3" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
   </ItemGroup>
 
   <ItemGroup>
@@ -21,6 +21,7 @@
 
 	<ItemGroup>
 		<InternalsVisibleTo Include="AndDietCokeTests" />
+		<InternalsVisibleTo Include="AndDietCokeWebApi" />
 		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
 	</ItemGroup>
 

AndDietCokeProject/AndDietCokeDatabase/AndDietCokeDbContext.cs

@@ -4,7 +4,7 @@ using Microsoft.EntityFrameworkCore;
 
 namespace AndDietCokeDatabase;
 
-internal class AndDietCokeDbContext(IConfigurationDatabase configurationDatabase) : DbContext
+public class AndDietCokeDbContext(IConfigurationDatabase configurationDatabase) : DbContext
 {
     private readonly IConfigurationDatabase? _configurationDatabase = configurationDatabase;
 

AndDietCokeProject/AndDietCokeDatabase/Implementations/SaleStorageContract.cs

@@ -27,7 +27,8 @@ internal class SaleStorageContract : ISaleStorageContract
                .ConstructUsing(od => new OrderDishDataModel(
                    od.OrderId,
                    od.DishId,
-                   od.Count
+                   od.Count,
+                   od.Price
                ));
 
             cfg.CreateMap<Sale, SaleDataModel>()
@@ -35,14 +36,14 @@ internal class SaleStorageContract : ISaleStorageContract
                    src.Id,
                    src.WorkerId,
                    src.BuyerId,
-                   src.Sum,
                    src.IsConstantClient,
                    src.IsCancel,
                    src.OrderDishes != null
                        ? src.OrderDishes.Select(od => new OrderDishDataModel(
                            od.OrderId, 
                            od.DishId,
-                           od.Count
+                           od.Count,
+                           od.Price
                        )).ToList()
                        : new List<OrderDishDataModel>()
                ));

AndDietCokeProject/AndDietCokeDatabase/Models/OrderDish.cs

@@ -13,6 +13,7 @@ public class OrderDish
     public required string DishId { get; set; }
 
     public int Count { get; set; }
+    public double Price { get; set; }
 
     public Sale? Sale { get; set; }
 

AndDietCokeProject/AndDietCokeDatabase/Models/Worker.cs

@@ -21,6 +21,9 @@ public class Worker
     public DateTime BirthDate { get; set; }
 
     public DateTime EmploymentDate { get; set; }
+   
+    [NotMapped]
+    public Post? Post { get; set; }
 
     public bool IsDeleted { get; set; }
 
@@ -29,4 +32,10 @@ public class Worker
 
     [ForeignKey("WorkerId")]
     public List<Sale>? Sales { get; set; }
+
+    public Worker AddPost(Post? post)
+    {
+        Post = post;
+        return this;
+    }
 }

AndDietCokeProject/AndDietCokeProject.sln

@@ -9,11 +9,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AndDietCokeTests", "AndDiet
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AndDietCokeBuisnessLogic", "AndDietCokeBuisnessLogic\AndDietCokeBuisnessLogic.csproj", "{3C1C0E8F-5CB4-4E93-B20C-86FF4B248ECF}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AndDietCokeDatabase", "AndDietCokeDatabase\AndDietCokeDatabase.csproj", "{4AFC4FDC-F8CA-4CC5-84E2-162ADA98EDD4}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AndDietCokeDatabase", "AndDietCokeDatabase\AndDietCokeDatabase.csproj", "{4AFC4FDC-F8CA-4CC5-84E2-162ADA98EDD4}"
 	ProjectSection(ProjectDependencies) = postProject
 		{624595D1-D7AA-4448-AA30-4D5AA21AE6D6} = {624595D1-D7AA-4448-AA30-4D5AA21AE6D6}
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AndDietCokeWebApi", "AndDietCokeWebApi\AndDietCokeWebApi.csproj", "{59659F17-4A33-47B1-951B-A329A547B3BF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -36,6 +38,10 @@ Global
 		{4AFC4FDC-F8CA-4CC5-84E2-162ADA98EDD4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4AFC4FDC-F8CA-4CC5-84E2-162ADA98EDD4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4AFC4FDC-F8CA-4CC5-84E2-162ADA98EDD4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{59659F17-4A33-47B1-951B-A329A547B3BF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{59659F17-4A33-47B1-951B-A329A547B3BF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{59659F17-4A33-47B1-951B-A329A547B3BF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{59659F17-4A33-47B1-951B-A329A547B3BF}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

AndDietCokeProject/AndDietCokeProject/AdapterContracts/IBuyerAdapter.cs

@@ -0,0 +1,22 @@
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.AdapterContracts;
+
+public interface IBuyerAdapter
+{
+    BuyerOperationResponse GetList();
+
+    BuyerOperationResponse GetElement(string data);
+
+    BuyerOperationResponse RegisterBuyer(BuyerBindingModel buyerModel);
+
+    BuyerOperationResponse ChangeBuyerInfo(BuyerBindingModel buyerModel);
+
+    BuyerOperationResponse RemoveBuyer(string id);
+}

AndDietCokeProject/AndDietCokeProject/AdapterContracts/IDishAdapter.cs

@@ -0,0 +1,24 @@
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.AdapterContracts;
+
+public interface IDishAdapter
+{
+    DishOperationResponse GetList(bool includeDeleted);
+
+    DishOperationResponse GetHistory(string id);
+
+    DishOperationResponse GetElement(string data);
+
+    DishOperationResponse RegisterDish(DishBindingModel dishModel);
+
+    DishOperationResponse ChangeDishInfo(DishBindingModel dishModel);
+
+    DishOperationResponse RemoveDish(string id);
+}

AndDietCokeProject/AndDietCokeProject/AdapterContracts/IPostAdapter.cs

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

AndDietCokeProject/AndDietCokeProject/AdapterContracts/ISalaryAdapter.cs

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

AndDietCokeProject/AndDietCokeProject/AdapterContracts/ISaleAdapter.cs

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

AndDietCokeProject/AndDietCokeProject/AdapterContracts/IWorkerAdapter.cs

@@ -0,0 +1,28 @@
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.AdapterContracts;
+
+public interface IWorkerAdapter
+{
+    WorkerOperationResponse GetList(bool includeDeleted);
+
+    WorkerOperationResponse GetPostList(string id, bool includeDeleted);
+
+    WorkerOperationResponse GetListByBirthDate(DateTime fromDate, DateTime toDate, bool includeDeleted);
+
+    WorkerOperationResponse GetListByEmploymentDate(DateTime fromDate, DateTime toDate, bool includeDeleted);
+
+    WorkerOperationResponse GetElement(string data);
+
+    WorkerOperationResponse RegisterWorker(WorkerBindingModel workerModel);
+
+    WorkerOperationResponse ChangeWorkerInfo(WorkerBindingModel workerModel);
+
+    WorkerOperationResponse RemoveWorker(string id);
+}

AndDietCokeProject/AndDietCokeProject/AdapterContracts/OperationResponses/BuyerOperationResponse.cs

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

AndDietCokeProject/AndDietCokeProject/AdapterContracts/OperationResponses/DishOperationResponse.cs

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

AndDietCokeProject/AndDietCokeProject/AdapterContracts/OperationResponses/PostOperationResponse.cs

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

AndDietCokeProject/AndDietCokeProject/AdapterContracts/OperationResponses/SalaryOperationResponse.cs

@@ -0,0 +1,22 @@
+using AndDietCokeContracts.Infrastrusture;
+using AndDietCokeContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.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);
+}

AndDietCokeProject/AndDietCokeProject/AdapterContracts/OperationResponses/SaleOperationResponse.cs

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

AndDietCokeProject/AndDietCokeProject/AdapterContracts/OperationResponses/WorkerOperationResponse.cs

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

AndDietCokeProject/AndDietCokeProject/AndDietCokeContracts.csproj

@@ -1,18 +1,20 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>preview</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AutoMapper" Version="12.0.0" />
+    <PackageReference Include="AutoMapper" Version="14.0.0" />
     <PackageReference Include="EntityFramework" Version="6.5.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.15" />
-    <PackageReference Include="Npgsql" Version="7.0.10" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.3.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.4" />
+    <PackageReference Include="Npgsql" Version="9.0.3" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
   </ItemGroup>
 
 </Project>

AndDietCokeProject/AndDietCokeProject/BindingModels/BuyerBindingModel.cs

@@ -0,0 +1,10 @@
+namespace AndDietCokeContracts.BindingModels;
+
+public class BuyerBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? FIO { get; set; }
+
+    public string? PhoneNumber { get; set; }
+}

AndDietCokeProject/AndDietCokeProject/BindingModels/DishBindingModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.BindingModels;
+
+public class DishBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? DishName { get; set; }
+
+    public string? DishType { get; set; }
+
+    public double Price { get; set; }
+}

AndDietCokeProject/AndDietCokeProject/BindingModels/OrderDishBindingModel.cs

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

AndDietCokeProject/AndDietCokeProject/BindingModels/PostBindingModel.cs

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

AndDietCokeProject/AndDietCokeProject/BindingModels/SaleBindingModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.BindingModels;
+
+public class SaleBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? WorkerId { get; set; }
+
+    public string? BuyerId { get; set; }
+
+    public int DiscountType { get; set; }
+
+    public List<OrderDishBindingModel>? Dishes { get; set; }
+}

AndDietCokeProject/AndDietCokeProject/BindingModels/WorkerBindingModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.BindingModels;
+
+public class WorkerBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? FIO { get; set; }
+
+    public string? PostId { get; set; }
+
+    public DateTime BirthDate { get; set; }
+
+    public DateTime EmploymentDate { get; set; }
+}

AndDietCokeProject/AndDietCokeProject/DataModels/OrderDishDataModel.cs

@@ -3,17 +3,27 @@ using AndDietCokeContracts.Extensions;
 using AndDietCokeContracts.Infrastrusture;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace AndDietCokeContracts.DataModels;
 
-public class OrderDishDataModel(string orderId, string dishId, int count) : IValidation
+public class OrderDishDataModel(string orderId, string dishId, int count, double price) : IValidation
 {
+    private readonly DishDataModel? _dish;
     public string OrderId { get; private set; } = orderId;
     public string DishId { get; private set; } = dishId;
     public int Count { get; private set; } = count;
+    public double Price { get; private set; } = price;
+    public string DishName => _dish?.DishName ?? string.Empty;
+
+    public OrderDishDataModel(string saleId, string dishId, int count, double price, DishDataModel dish) : this(saleId, dishId, count, price)
+    {
+        _dish = dish;
+    }
+
     public void Validate()
     {
         if (OrderId.IsEmpty())

AndDietCokeProject/AndDietCokeProject/DataModels/SaleDataModel.cs

@@ -11,16 +11,43 @@ using System.Xml;
 
 namespace AndDietCokeContracts.DataModels;
 
-public class SaleDataModel(string id, string workerId, string? buyerId, double sum, bool isConstantClient, bool isCancel, List<OrderDishDataModel> dishes) : IValidation
+public class SaleDataModel : IValidation
 {
-    public string Id { get; private set; } = id;
-    public string WorkerId { get; private set; } = workerId;
-    public string? BuyerId { get; private set; } = buyerId;
-    public DateTime SaleDate { get; private set; } = DateTime.UtcNow;
-    public double Sum { get; private set; } = sum;
-    public bool IsConstantClient { get; private set; } = isConstantClient;
-    public bool IsCancel { get; private set; } = isCancel;
-    public List<OrderDishDataModel> Dishes { get; private set; } = dishes;
+    private readonly BuyerDataModel? _buyer;
+
+    private readonly WorkerDataModel? _worker;
+
+    public string Id { get; private set; }
+    public string WorkerId { get; private set; }
+    public string? BuyerId { get; private set; }
+    public DateTime SaleDate { get; private set; }
+    public double Sum { get; private set; } 
+    public bool IsConstantClient { get; private set; }
+    public bool IsCancel { get; private set; } 
+    public List<OrderDishDataModel> Dishes { get; private set; }
+    public string BuyerFIO => _buyer?.FIO ?? string.Empty;
+    public string WorkerFIO => _worker?.FIO ?? string.Empty;
+
+    public SaleDataModel(string id, string workerId, string? buyerId, bool isConstantClient, bool isCancel, List<OrderDishDataModel> orderDishes)
+    {
+        Id = id;
+        WorkerId = workerId;
+        BuyerId = buyerId;
+        IsCancel = isCancel;
+        IsConstantClient = isConstantClient;
+        Dishes = orderDishes;
+        var percent = 0.0;
+        Sum = Dishes?.Sum(x => x.Price * x.Count) ?? 0;
+    }
+
+    public SaleDataModel(string id, string workerId, string? buyerId, double sum, bool isConstantClient, bool isCancel, List<OrderDishDataModel> orderDishes, WorkerDataModel worker, BuyerDataModel? buyer) : this(id, workerId, buyerId, isConstantClient, isCancel, orderDishes)
+    {
+        Sum = sum;
+        _worker = worker;
+        _buyer = buyer;
+    }
+
+    public SaleDataModel(string id, string workerId, string? buyerId, double sum, int discountType, List<OrderDishDataModel> dishes) : this(id, workerId, buyerId, true, false, dishes) { }
 
     public void Validate()
     {

AndDietCokeProject/AndDietCokeProject/Infrastrusture/OperationResponse.cs

@@ -0,0 +1,42 @@
+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 AndDietCokeContracts.Infrastrusture;
+
+public class OperationResponse
+{
+    protected HttpStatusCode StatusCode { get; set; }
+
+    protected object? Result { get; set; }
+
+    public IActionResult GetResponse(HttpRequest request, HttpResponse response)
+    {
+        ArgumentNullException.ThrowIfNull(request);
+        ArgumentNullException.ThrowIfNull(response);
+
+        response.StatusCode = (int)StatusCode;
+
+        if (Result is null)
+        {
+            return new StatusCodeResult((int)StatusCode);
+        }
+
+        return new ObjectResult(Result);
+    }
+
+    protected static TResult OK<TResult, TData>(TData data) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.OK, Result = data };
+
+    protected static TResult NoContent<TResult>() where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.NoContent };
+
+    protected static TResult BadRequest<TResult>(string? errorMessage = null) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.BadRequest, Result = errorMessage };
+
+    protected static TResult NotFound<TResult>(string? errorMessage = null) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.NotFound, Result = errorMessage };
+
+    protected static TResult InternalServerError<TResult>(string? errorMessage = null) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.InternalServerError, Result = errorMessage };
+}

AndDietCokeProject/AndDietCokeProject/StoragesContracts/ISaleStorageContract.cs

@@ -9,7 +9,7 @@ namespace AndDietCokeContracts.StoragesContracts;
 
 public interface ISaleStorageContract
 {
-    List<SaleDataModel> GetList(DateTime? startDate = null, DateTime? endDate = null, string? workerId = null, string? buyerId = null, string? productId = null);
+    List<SaleDataModel> GetList(DateTime? startDate = null, DateTime? endDate = null, string? workerId = null, string? buyerId = null, string? dishId = null);
     SaleDataModel? GetElementById(string id);
     void AddElement(SaleDataModel saleDataModel);
     void DelElement(string id);

AndDietCokeProject/AndDietCokeProject/ViewModels/BuyerViewModel.cs

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

AndDietCokeProject/AndDietCokeProject/ViewModels/DishHistoryViewModel.cs

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

AndDietCokeProject/AndDietCokeProject/ViewModels/DishViewModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.ViewModels;
+
+public class DishViewModel
+{
+    public required string Id { get; set; }
+
+    public required string DishName { get; set; }
+
+    public required string DishType { get; set; }
+
+    public double Price { get; set; }
+
+    public bool IsDeleted { get; set; }
+}

AndDietCokeProject/AndDietCokeProject/ViewModels/OrderDishViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.ViewModels;
+
+public class OrderDishViewModel
+{
+    public required string DishId { get; set; }
+
+    public required string DishName { get; set; }
+
+    public int Count { get; set; }
+
+    public double Price { get; set; }
+}

AndDietCokeProject/AndDietCokeProject/ViewModels/PostViewModel.cs

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

AndDietCokeProject/AndDietCokeProject/ViewModels/SalaryViewModel.cs

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

AndDietCokeProject/AndDietCokeProject/ViewModels/SaleViewModel.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.ViewModels;
+
+public class SaleViewModel
+{
+    public required string Id { get; set; }
+
+    public required string WorkerId { get; set; }
+
+    public required string WorkerFIO { get; set; }
+
+    public string? BuyerId { get; set; }
+
+    public string? BuyerFIO { 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<OrderDishViewModel> Dishes { get; set; }
+}

AndDietCokeProject/AndDietCokeProject/ViewModels/WorkerViewModel.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeContracts.ViewModels;
+
+public class WorkerViewModel
+{
+    public required string Id { get; set; }
+
+    public required string FIO { get; set; }
+
+    public required string PostId { get; set; }
+
+    public required string PostName { get; set; }
+
+    public bool IsDeleted { get; set; }
+
+    public DateTime BirthDate { get; set; }
+
+    public DateTime EmploymentDate { get; set; }
+}

AndDietCokeProject/AndDietCokeTests/AndDietCokeTests.csproj

@@ -1,34 +1,48 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-    <TargetFramework>net7.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
+	<PropertyGroup>
+		<TargetFramework>net9.0</TargetFramework>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<Nullable>enable</Nullable>
 
-    <IsPackable>false</IsPackable>
-    <IsTestProject>true</IsTestProject>
-    <LangVersion>preview</LangVersion>
-  </PropertyGroup>
+		<IsPackable>false</IsPackable>
+		<IsTestProject>true</IsTestProject>
+		<LangVersion>preview</LangVersion>
+	</PropertyGroup>
+	
+	<ItemGroup>
+		<PackageReference Include="AutoMapper" Version="14.0.0" />
+		<PackageReference Include="EntityFramework" Version="6.5.1" />
+		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.4" />
+		<PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.4" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.4" />
+		<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.4" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
+		<PackageReference Include="Moq" Version="4.20.72" />
+		<PackageReference Include="Npgsql" Version="9.0.3" />
+		<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
+		<PackageReference Include="NUnit" Version="4.3.2" />
+		<PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
+		<PackageReference Include="NUnit.Analyzers" Version="4.7.0">
+		  <PrivateAssets>all</PrivateAssets>
+		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+		<PackageReference Include="coverlet.collector" Version="6.0.4">
+		  <PrivateAssets>all</PrivateAssets>
+		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+		<PackageReference Include="Serilog" Version="4.2.0" />
+	</ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="AutoMapper" Version="12.0.0" />
-    <PackageReference Include="EntityFramework" Version="6.5.1" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.15" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.3" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
-    <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="Npgsql" Version="7.0.10" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
-    <PackageReference Include="NUnit" Version="3.13.3" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.4.2" />
-    <PackageReference Include="NUnit.Analyzers" Version="3.6.1" />
-    <PackageReference Include="coverlet.collector" Version="3.2.0" />
-  </ItemGroup>
+	<ItemGroup>
+		<ProjectReference Include="..\AndDietCokeBuisnessLogic\AndDietCokeBuisnessLogic.csproj" />
+		<ProjectReference Include="..\AndDietCokeDatabase\AndDietCokeDatabase.csproj" />
+		<ProjectReference Include="..\AndDietCokeProject\AndDietCokeContracts.csproj" />
+		<ProjectReference Include="..\AndDietCokeWebApi\AndDietCokeWebApi.csproj" />
+	</ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\AndDietCokeBuisnessLogic\AndDietCokeBuisnessLogic.csproj" />
-    <ProjectReference Include="..\AndDietCokeDatabase\AndDietCokeDatabase.csproj" />
-    <ProjectReference Include="..\AndDietCokeProject\AndDietCokeContracts.csproj" />
-  </ItemGroup>
+	<ItemGroup>
+		<Using Include="NUnit.Framework" />
+	</ItemGroup>
 
 </Project>

AndDietCokeProject/AndDietCokeTests/BuisnessLogicsContractsTests/SalaryBusinessLogicContractTests.cs

@@ -192,10 +192,12 @@ internal class SalaryBuisnessLogicContractTests
     {
         //Arrange
         var workerId = Guid.NewGuid().ToString();
-        var saleSum = 200.0;
+        int saleSum = 200;
         var postSalary = 2000.0;
+
+        var dish = new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), saleSum, 1) ;
         _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(), workerId, null, saleSum, true, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), workerId, null, true, false, [dish])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
             .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Waiter, postSalary, true, DateTime.UtcNow));
         _workerStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
@@ -226,11 +228,11 @@ internal class SalaryBuisnessLogicContractTests
             new(worker3Id, "Test", 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(), worker1Id, null, 1, true, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), worker1Id, null, 1, true, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), worker2Id, null, 1, true, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), worker3Id, null, 1, true, false, []),
-            new SaleDataModel(Guid.NewGuid().ToString(), worker3Id, null, 1, true, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), worker1Id, null, true, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), worker1Id, null, true, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), worker2Id, null, true, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), worker3Id, null, true, false, []),
+            new SaleDataModel(Guid.NewGuid().ToString(), worker3Id, null, true, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
             .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Chef, 2000, true, DateTime.UtcNow));
         _workerStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
@@ -285,7 +287,7 @@ internal class SalaryBuisnessLogicContractTests
         //Arrange
         var workerId = 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(), workerId, null, 200, true, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), workerId, null, true, false, [])]);
         _workerStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
             .Returns([new WorkerDataModel(workerId, "Test", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
         //Act&Assert
@@ -298,7 +300,7 @@ internal class SalaryBuisnessLogicContractTests
         //Arrange
         var workerId = 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(), workerId, null, 200, true, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), workerId, null, true, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
             .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Chef, 2000, true, DateTime.UtcNow));
         //Act&Assert
@@ -326,7 +328,7 @@ internal class SalaryBuisnessLogicContractTests
         //Arrange
         var workerId = 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(), workerId, null, 200, true, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), workerId, null, true, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
             .Throws(new StorageException(new InvalidOperationException()));
         _workerStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
@@ -341,7 +343,7 @@ internal class SalaryBuisnessLogicContractTests
         //Arrange
         var workerId = 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(), workerId, null, 200, true, false, [])]);
+            .Returns([new SaleDataModel(Guid.NewGuid().ToString(), workerId, null, true, false, [])]);
         _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
             .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Chef, 2000, true, DateTime.UtcNow));
         _workerStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))

AndDietCokeProject/AndDietCokeTests/BuisnessLogicsContractsTests/SaleBusinessLogicContractTests.cs

@@ -40,9 +40,9 @@ internal class SaleBuisnessLogicContractTests
         var date = DateTime.UtcNow;
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -103,10 +103,10 @@ internal class SaleBuisnessLogicContractTests
         var workerId = Guid.NewGuid().ToString();
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false,
-                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false,
+                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 20, 5)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -184,10 +184,10 @@ internal class SaleBuisnessLogicContractTests
         var buyerId = Guid.NewGuid().ToString();
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false,
-                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false,
+                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 20, 5)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
@@ -262,21 +262,21 @@ internal class SaleBuisnessLogicContractTests
     {
         //Arrange
         var date = DateTime.UtcNow;
-        var productId = Guid.NewGuid().ToString();
+        var dishId = Guid.NewGuid().ToString();
         var listOriginal = new List<SaleDataModel>()
         {
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false,
-                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
-            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, 10, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false,
+                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 20, 5)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, true, false, []),
         };
         _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
         //Act
-        var list = _saleBusinessLogicContract.GetAllSalesByDishByPeriod(productId, date, date.AddDays(1));
+        var list = _saleBusinessLogicContract.GetAllSalesByDishByPeriod(dishId, date, date.AddDays(1));
         //Assert
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Is.EquivalentTo(listOriginal));
-        _saleStorageContract.Verify(x => x.GetList(date, date.AddDays(1), null, null, productId), Times.Once);
+        _saleStorageContract.Verify(x => x.GetList(date, date.AddDays(1), null, null, dishId), Times.Once);
     }
 
     [Test]
@@ -316,7 +316,7 @@ internal class SaleBuisnessLogicContractTests
     public void GetAllSalesByDishByPeriod_DishIdIsNotGuid_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByDishByPeriod("productId", DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByDishByPeriod("dishId", DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ValidationException>());
         _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
     }
 
@@ -343,8 +343,8 @@ internal class SaleBuisnessLogicContractTests
     {
         //Arrange
         var id = Guid.NewGuid().ToString();
-        var record = new SaleDataModel(id, Guid.NewGuid().ToString(), null, 10, true, false,
-                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        var record = new SaleDataModel(id, Guid.NewGuid().ToString(), null, true, false,
+                [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 20, 5)]);
         _saleStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
         //Act
         var element = _saleBusinessLogicContract.GetSaleByData(id);
@@ -394,8 +394,7 @@ internal class SaleBuisnessLogicContractTests
     {
         //Arrange
         var flag = false;
-        var record = new SaleDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, true,
-            false, [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        var record = new SaleDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), true, false, [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 20, 5)]);
         _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>()))
             .Callback((SaleDataModel x) =>
             {
@@ -418,7 +417,7 @@ internal class SaleBuisnessLogicContractTests
         _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, true, false, [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+            Guid.NewGuid().ToString(), true, false, [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 20, 5)])), Throws.TypeOf<ElementExistsException>());
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
     }
 
@@ -434,7 +433,7 @@ internal class SaleBuisnessLogicContractTests
     public void InsertSale_InvalidRecord_ThrowException_Test()
     {
         //Act&Assert
-        Assert.That(() => _saleBusinessLogicContract.InsertSale(new SaleDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, true, false, [])), Throws.TypeOf<ValidationException>());
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(new SaleDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), true, false, [])), Throws.TypeOf<ValidationException>());
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Never);
     }
 
@@ -445,7 +444,7 @@ internal class SaleBuisnessLogicContractTests
         _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, true, false, [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+            Guid.NewGuid().ToString(), true, false, [new OrderDishDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 20, 5)])), Throws.TypeOf<StorageException>());
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
     }
 

AndDietCokeProject/AndDietCokeTests/DataModelsTests/OrderDataModelTests.cs

@@ -15,41 +15,41 @@ internal class OrderDataModelTests
     [Test]
     public void OrderIdIsNullOrEmptyTest()
     {
-        var orderDish = CreateDataModel(null, Guid.NewGuid().ToString(), 10);
+        var orderDish = CreateDataModel(null, Guid.NewGuid().ToString(), 10, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
-        orderDish = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        orderDish = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void OrderIdIsNotGuidTest()
     {
-        var orderDish = CreateDataModel("saleId", Guid.NewGuid().ToString(), 10);
+        var orderDish = CreateDataModel("saleId", Guid.NewGuid().ToString(), 10, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void DishIdIsNullOrEmptyTest()
     {
-        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), null, 10);
+        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), null, 10, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
-        orderDish = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        orderDish = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void DishIdIsNotGuidTest()
     {
-        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), "dishId", 10);
+        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), "dishId", 10, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void CountIsLessOrZeroTest()
     {
-        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
+        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
-        orderDish = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10);
+        orderDish = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10, 20);
         Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
     }
 
@@ -59,7 +59,8 @@ internal class OrderDataModelTests
         var orderId = Guid.NewGuid().ToString();
         var dishId = Guid.NewGuid().ToString();
         var count = 10;
-        var orderDish = CreateDataModel(orderId, dishId, count);
+        var price = 20;
+        var orderDish = CreateDataModel(orderId, dishId, count, price);
         Assert.That(() => orderDish.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
         {
@@ -69,6 +70,6 @@ internal class OrderDataModelTests
         });
     }
 
-    private static OrderDishDataModel CreateDataModel(string? orderId, string? dishId, int count) => new(orderId, dishId, count);
+    private static OrderDishDataModel CreateDataModel(string? orderId, string? dishId, int count, int price) => new(orderId, dishId, count, price);
 
 }

AndDietCokeProject/AndDietCokeTests/DataModelsTests/SaleDataModelTests.cs

@@ -61,7 +61,7 @@ internal class SaleDataModelTests
     }
 
     [Test]
-    public void ProductsIsNullOrEmptyTest()
+    public void DishesIsNullOrEmptyTest()
     {
         var sale = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, true, false, null);
         Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
@@ -75,7 +75,7 @@ internal class SaleDataModelTests
         var saleId = Guid.NewGuid().ToString();
         var workerId = Guid.NewGuid().ToString();
         var buyerId = Guid.NewGuid().ToString();
-        var sum = 10;
+        var sum = 20;
         var isConstantClient = true;
         var isCancel = true;
         var dishes = CreateSubDataModel();
@@ -93,7 +93,7 @@ internal class SaleDataModelTests
         });
     }
 
-    private static SaleDataModel CreateDataModel(string? id, string? workerId, string? buyerId, double sum, bool IsConstantClient, bool isCancel, List<OrderDishDataModel>? dishes) => new(id, workerId, buyerId, sum, IsConstantClient, isCancel, dishes);
-    private static List<OrderDishDataModel> CreateSubDataModel() => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+    private static SaleDataModel CreateDataModel(string? id, string? workerId, string? buyerId, double sum, bool IsConstantClient, bool isCancel, List<OrderDishDataModel>? dishes) => new(id, workerId, buyerId, sum, IsConstantClient, isCancel, dishes, null, null);
+    private static List<OrderDishDataModel> CreateSubDataModel() => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1, 20)];
 
 }

AndDietCokeProject/AndDietCokeTests/Infrastructure/AndDietCokeDbContextExtensions.cs

@@ -0,0 +1,110 @@
+using AndDietCokeContracts.Enums;
+using AndDietCokeDatabase;
+using AndDietCokeDatabase.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static NUnit.Framework.Internal.OSPlatform;
+using Microsoft.EntityFrameworkCore;
+
+namespace AndDietCokeTests.Infrastructure;
+
+internal static class AndDietCokeDbContextExtensions
+{
+    public static Buyer InsertBuyerToDatabaseAndReturn(this AndDietCokeDbContext dbContext, string? id = null, string fio = "test", string phoneNumber = "+7-777-777-77-77", double discountSize = 10)
+    {
+        var buyer = new Buyer() { Id = id ?? Guid.NewGuid().ToString(), FIO = fio, PhoneNumber = phoneNumber, DiscountSize = discountSize };
+        dbContext.Buyers.Add(buyer);
+        dbContext.SaveChanges();
+        return buyer;
+    }
+
+    public static Post InsertPostToDatabaseAndReturn(this AndDietCokeDbContext dbContext, string? id = null, string postName = "test", PostType postType = PostType.Packer, double salary = 10, bool isActual = true, DateTime? changeDate = null)
+    {
+        var post = new Post() { Id = id ?? Guid.NewGuid().ToString(), PostId = 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 Dish InsertDishToDatabaseAndReturn(this AndDietCokeDbContext dbContext, string? id = null, string dishName = "test", DishType dishType = DishType.Drink, double price = 1, bool isDeleted = false)
+    {
+        var dish = new Dish() { Id = id ?? Guid.NewGuid().ToString(), DishName = dishName, DishType = dishType, Price = price, IsDeleted = isDeleted };
+        dbContext.Dishes.Add(dish);
+        dbContext.SaveChanges();
+        return dish;
+    }
+
+    public static DishHistory InsertDishHistoryToDatabaseAndReturn(this AndDietCokeDbContext dbContext, string dishId, double price = 10, DateTime? changeDate = null)
+    {
+        var dishHistory = new DishHistory() { Id = Guid.NewGuid().ToString(), DishId = dishId, OldPrice = price, ChangeDate = changeDate ?? DateTime.UtcNow };
+        dbContext.DishHistories.Add(dishHistory);
+        dbContext.SaveChanges();
+        return dishHistory;
+    }
+
+    public static Salary InsertSalaryToDatabaseAndReturn(this AndDietCokeDbContext dbContext, string workerId, double workerSalary = 1, DateTime? salaryDate = null)
+    {
+        dbContext.ChangeTracker.Clear();
+
+        var salary = new Salary() { WorkerId = workerId, WorkerSalary = workerSalary, SalaryDate = salaryDate ?? DateTime.UtcNow };
+        dbContext.Salaries.Add(salary);
+        dbContext.SaveChanges();
+        return salary;
+    }
+
+    public static Sale InsertSaleToDatabaseAndReturn(this AndDietCokeDbContext dbContext, string workerId, string? buyerId = null, DateTime? saleDate = null, double sum = 1, bool isConstantClient = false, bool isCancel = false, List<(string, int, double)>? dishes = null)
+    {
+        var sale = new Sale() { WorkerId = workerId, BuyerId = buyerId, SaleDate = saleDate ?? DateTime.UtcNow, Sum = sum, IsConstantClient = isConstantClient, IsCancel = isCancel, OrderDishes = [] };
+        if (dishes is not null)
+        {
+            foreach (var elem in dishes)
+            {
+                sale.OrderDishes.Add(new OrderDish { DishId = elem.Item1, OrderId = sale.Id, Count = elem.Item2 });
+            }
+        }
+        dbContext.Sales.Add(sale);
+        dbContext.SaveChanges();
+        return sale;
+    }
+
+    public static Worker InsertWorkerToDatabaseAndReturn(this AndDietCokeDbContext dbContext, string? id = null, string fio = "test", string? postId = null, DateTime? birthDate = null, DateTime? employmentDate = null, bool isDeleted = false)
+    {
+        var worker = new Worker() { Id = id ?? Guid.NewGuid().ToString(), FIO = fio, PostId = postId ?? Guid.NewGuid().ToString(), BirthDate = birthDate ?? DateTime.UtcNow.AddYears(-20), EmploymentDate = employmentDate ?? DateTime.UtcNow, IsDeleted = isDeleted };
+        dbContext.Workers.Add(worker);
+        dbContext.SaveChanges();
+        return worker;
+    }
+
+    public static Buyer? GetBuyerFromDatabase(this AndDietCokeDbContext dbContext, string id) => dbContext.Buyers.FirstOrDefault(x => x.Id == id);
+
+    public static Post? GetPostFromDatabaseByPostId(this AndDietCokeDbContext dbContext, string id) => dbContext.Posts.FirstOrDefault(x => x.PostId == id && x.IsActual);
+
+    public static Post[] GetPostsFromDatabaseByPostId(this AndDietCokeDbContext dbContext, string id) => [.. dbContext.Posts.Where(x => x.PostId == id).OrderByDescending(x => x.ChangeDate)];
+
+    public static Dish? GetDishFromDatabaseById(this AndDietCokeDbContext dbContext, string id) => dbContext.Dishes.FirstOrDefault(x => x.Id == id);
+
+    public static Salary[] GetSalariesFromDatabaseByWorkerId(this AndDietCokeDbContext dbContext, string id) => [.. dbContext.Salaries.Where(x => x.WorkerId == id)];
+
+    public static Sale? GetSaleFromDatabaseById(this AndDietCokeDbContext dbContext, string id) => dbContext.Sales.Include(x => x.OrderDishes).FirstOrDefault(x => x.Id == id);
+
+    public static Sale[] GetSalesByBuyerId(this AndDietCokeDbContext dbContext, string? buyerId) => [.. dbContext.Sales.Include(x => x.OrderDishes).Where(x => x.BuyerId == buyerId)];
+
+    public static Worker? GetWorkerFromDatabaseById(this AndDietCokeDbContext dbContext, string id) => dbContext.Workers.FirstOrDefault(x => x.Id == id);
+
+    public static void RemoveBuyersFromDatabase(this AndDietCokeDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Buyers\" CASCADE;");
+
+    public static void RemovePostsFromDatabase(this AndDietCokeDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Posts\" CASCADE;");
+
+    public static void RemoveDishesFromDatabase(this AndDietCokeDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Dishes\" CASCADE;");
+
+    public static void RemoveSalariesFromDatabase(this AndDietCokeDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Salaries\" CASCADE;");
+
+    public static void RemoveSalesFromDatabase(this AndDietCokeDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Sales\" CASCADE;");
+
+    public static void RemoveWorkersFromDatabase(this AndDietCokeDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE;");
+
+    private static void ExecuteSqlRaw(this AndDietCokeDbContext dbContext, string command) => dbContext.Database.ExecuteSqlRaw(command);
+}

AndDietCokeProject/AndDietCokeTests/Infrastructure/CustomWebApplicationFactory.cs

@@ -0,0 +1,36 @@
+using AndDietCokeContracts.Infrastrusture;
+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 AndDietCokeTests.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);
+    }
+}

AndDietCokeProject/AndDietCokeTests/StoragesContracts/BuyerStorageContractTests.cs

@@ -2,17 +2,14 @@
 using AndDietCokeContracts.Exceptions;
 using AndDietCokeContracts.StoragesContracts;
 using NUnit.Framework;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using AndDietCokeDatabase.Implementations;
 using AndDietCokeDatabase.Models;
 using Microsoft.EntityFrameworkCore;
+using AndDietCokeTests.Infrastructure;
 
 namespace AndDietCokeTests.StoragesContracts;
 
+
 [TestFixture]
 internal class BuyerStorageContractTests : BaseStorageContractTest
 {
@@ -27,17 +24,17 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Sales\" CASCADE;");
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE;");
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Buyers\" CASCADE;");
+        AndDietCokeDbContext.RemoveSalesFromDatabase();
+        AndDietCokeDbContext.RemoveWorkersFromDatabase();
+        AndDietCokeDbContext.RemoveBuyersFromDatabase();
     }
 
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var buyer = InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString(), "FIO", "+5-555-555-55-55", 10);
-        InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString(), "FIO", "+6-666-666-66-66", 10);
-        InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString(), "FIO", "+7-777-777-77-77", 10);
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: "+5-555-555-55-55");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: "+6-666-666-66-66");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: "+7-777-777-77-77");
         var list = _buyerStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
@@ -55,42 +52,42 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var buyer = InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
         AssertElement(_buyerStorageContract.GetElementById(buyer.Id), buyer);
     }
 
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
         Assert.That(() => _buyerStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
 
     [Test]
     public void Try_GetElementByFIO_WhenHaveRecord_Test()
     {
-        var buyer = InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
         AssertElement(_buyerStorageContract.GetElementByFIO(buyer.FIO), buyer);
     }
 
     [Test]
     public void Try_GetElementByFIO_WhenNoRecord_Test()
     {
-        InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
         Assert.That(() => _buyerStorageContract.GetElementByFIO("New Fio"), Is.Null);
     }
 
     [Test]
     public void Try_GetElementByPhoneNumber_WhenHaveRecord_Test()
     {
-        var buyer = InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
         AssertElement(_buyerStorageContract.GetElementByPhoneNumber(buyer.PhoneNumber), buyer);
     }
 
     [Test]
     public void Try_GetElementByPhoneNumber_WhenNoRecord_Test()
     {
-        InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
         Assert.That(() => _buyerStorageContract.GetElementByPhoneNumber("+8-888-888-88-88"), Is.Null);
     }
 
@@ -99,14 +96,14 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
     {
         var buyer = CreateModel(Guid.NewGuid().ToString());
         _buyerStorageContract.AddElement(buyer);
-        AssertElement(GetBuyerFromDatabase(buyer.Id), buyer);
+        AssertElement(AndDietCokeDbContext.GetBuyerFromDatabase(buyer.Id), buyer);
     }
 
     [Test]
     public void Try_AddElement_WhenHaveRecordWithSameId_Test()
     {
         var buyer = CreateModel(Guid.NewGuid().ToString(), "New Fio", "+5-555-555-55-55");
-        InsertBuyerToDatabaseAndReturn(buyer.Id);
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(buyer.Id);
         Assert.That(() => _buyerStorageContract.AddElement(buyer), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -114,7 +111,7 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenHaveRecordWithSamePhoneNumber_Test()
     {
         var buyer = CreateModel(Guid.NewGuid().ToString(), "New Fio", "+5-555-555-55-55");
-        InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString(), phoneNumber: buyer.PhoneNumber);
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: buyer.PhoneNumber);
         Assert.That(() => _buyerStorageContract.AddElement(buyer), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -122,9 +119,9 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_Test()
     {
         var buyer = CreateModel(Guid.NewGuid().ToString(), "New Fio", "+5-555-555-55-55");
-        InsertBuyerToDatabaseAndReturn(buyer.Id);
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(buyer.Id);
         _buyerStorageContract.UpdElement(buyer);
-        AssertElement(GetBuyerFromDatabase(buyer.Id), buyer);
+        AssertElement(AndDietCokeDbContext.GetBuyerFromDatabase(buyer.Id), buyer);
     }
 
     [Test]
@@ -137,39 +134,37 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenHaveRecordWithSamePhoneNumber_Test()
     {
         var buyer = CreateModel(Guid.NewGuid().ToString(), "New Fio", "+5-555-555-55-55");
-        InsertBuyerToDatabaseAndReturn(buyer.Id, phoneNumber: "+7-777-777-77-77");
-        InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString(), phoneNumber: buyer.PhoneNumber);
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(buyer.Id, phoneNumber: "+7-777-777-77-77");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: buyer.PhoneNumber);
         Assert.That(() => _buyerStorageContract.UpdElement(buyer), Throws.TypeOf<ElementExistsException>());
     }
 
     [Test]
     public void Try_DelElement_Test()
     {
-        var buyer = InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
         _buyerStorageContract.DelElement(buyer.Id);
-        var element = GetBuyerFromDatabase(buyer.Id);
-        Assert.That(element, Is.Null);
+        Assert.That(AndDietCokeDbContext.GetBuyerFromDatabase(buyer.Id), Is.Null);
     }
 
     [Test]
     public void Try_DelElement_WhenHaveSalesByThisBuyer_Test()
     {
-        var buyer = InsertBuyerToDatabaseAndReturn(Guid.NewGuid().ToString());
-        var workerId = Guid.NewGuid().ToString();
-        AndDietCokeDbContext.Workers.Add(new Worker() { Id = workerId, FIO = "test", PostId = Guid.NewGuid().ToString() });
-        AndDietCokeDbContext.Sales.Add(new Sale() { Id = Guid.NewGuid().ToString(), WorkerId = workerId, BuyerId = buyer.Id, Sum = 10, IsConstantClient = true });
-        AndDietCokeDbContext.Sales.Add(new Sale() { Id = Guid.NewGuid().ToString(), WorkerId = workerId, BuyerId = buyer.Id, Sum = 10, IsConstantClient = true });
-        AndDietCokeDbContext.SaveChanges();
-        var salesBeforeDelete = AndDietCokeDbContext.Sales.Where(x => x.BuyerId == buyer.Id).ToArray();
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, buyer.Id);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, buyer.Id);
+        var salesBeforeDelete = AndDietCokeDbContext.GetSalesByBuyerId(buyer.Id);
         _buyerStorageContract.DelElement(buyer.Id);
-        var element = GetBuyerFromDatabase(buyer.Id);
-        var salesAfterDelete = AndDietCokeDbContext.Sales.Where(x => x.BuyerId == buyer.Id).ToArray();
+        var element = AndDietCokeDbContext.GetBuyerFromDatabase(buyer.Id);
+        var salesAfterDelete = AndDietCokeDbContext.GetSalesByBuyerId(buyer.Id);
+        var salesNoBuyers = AndDietCokeDbContext.GetSalesByBuyerId(null);
         Assert.Multiple(() =>
         {
             Assert.That(element, Is.Null);
             Assert.That(salesBeforeDelete, Has.Length.EqualTo(2));
             Assert.That(salesAfterDelete, Is.Empty);
-            Assert.That(AndDietCokeDbContext.Sales.Count(), Is.EqualTo(2));
+            Assert.That(salesNoBuyers, Has.Length.EqualTo(2));
         });
     }
 
@@ -179,14 +174,6 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
         Assert.That(() => _buyerStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
     }
 
-    private Buyer InsertBuyerToDatabaseAndReturn(string id, string fio = "test", string phoneNumber = "+7-777-777-77-77", double discountSize = 10)
-    {
-        var buyer = new Buyer() { Id = id, FIO = fio, PhoneNumber = phoneNumber, DiscountSize = discountSize };
-        AndDietCokeDbContext.Buyers.Add(buyer);
-        AndDietCokeDbContext.SaveChanges();
-        return buyer;
-    }
-
     private static void AssertElement(BuyerDataModel? actual, Buyer expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -198,9 +185,8 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
         });
     }
 
-    private static BuyerDataModel CreateModel(string id, string fio = "test", string phoneNumber = "+7-777-777-77-77")  => new(id, fio, phoneNumber);
-
-    private Buyer? GetBuyerFromDatabase(string id) => AndDietCokeDbContext.Buyers.FirstOrDefault(x => x.Id == id);
+    private static BuyerDataModel CreateModel(string id, string fio = "test", string phoneNumber = "+7-777-777-77-77")
+        => new(id, fio, phoneNumber);
 
     private static void AssertElement(Buyer? actual, BuyerDataModel expected)
     {
@@ -212,4 +198,4 @@ internal class BuyerStorageContractTests : BaseStorageContractTest
             Assert.That(actual.PhoneNumber, Is.EqualTo(expected.PhoneNumber));
         });
     }
-}
+}

AndDietCokeProject/AndDietCokeTests/StoragesContracts/DishStorageContractTests.cs

@@ -11,6 +11,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using static NUnit.Framework.Internal.OSPlatform;
+using AndDietCokeTests.Infrastructure;
 
 namespace AndDietCokeTests.StoragesContracts;
 
@@ -28,15 +29,15 @@ internal class DishStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Dishes\" CASCADE;");
+        AndDietCokeDbContext.RemoveDishesFromDatabase();
     }
 
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1");
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2");
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3");
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 1");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 2");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 3");
         var list = _dishStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
@@ -54,9 +55,9 @@ internal class DishStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_OnlyActual_Test()
     {
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1", isDeleted: true);
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2", isDeleted: false);
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3", isDeleted: false);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 1", isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 2", isDeleted: false);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 3", isDeleted: false);
         var list = _dishStorageContract.GetList(onlyActive: true);
         Assert.That(list, Is.Not.Null);
         Assert.Multiple(() =>
@@ -69,9 +70,9 @@ internal class DishStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_IncludeNoActual_Test()
     {
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1", isDeleted: true);
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2", isDeleted: true);
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3", isDeleted: false);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 1", isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 2", isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 3", isDeleted: false);
         var list = _dishStorageContract.GetList(onlyActive: false);
         Assert.That(list, Is.Not.Null);
         Assert.Multiple(() =>
@@ -85,10 +86,10 @@ internal class DishStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetHistoryByDishId_WhenHaveRecords_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1");
-        InsertDishHistoryToDatabaseAndReturn(dish.Id, 20, DateTime.UtcNow.AddDays(-1));
-        InsertDishHistoryToDatabaseAndReturn(dish.Id, 30, DateTime.UtcNow.AddMinutes(-10));
-        InsertDishHistoryToDatabaseAndReturn(dish.Id, 40, DateTime.UtcNow.AddDays(1));
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 20, DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 30, DateTime.UtcNow.AddMinutes(-10));
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 40, DateTime.UtcNow.AddDays(1));
         var list = _dishStorageContract.GetHistoryByDishId(dish.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
@@ -97,10 +98,10 @@ internal class DishStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetHistoryByDishId_WhenNoRecords_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1");
-        InsertDishHistoryToDatabaseAndReturn(dish.Id, 20, DateTime.UtcNow.AddDays(-1));
-        InsertDishHistoryToDatabaseAndReturn(dish.Id, 30, DateTime.UtcNow.AddMinutes(-10));
-        InsertDishHistoryToDatabaseAndReturn(dish.Id, 40, DateTime.UtcNow.AddDays(1));
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 20, DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 30, DateTime.UtcNow.AddMinutes(-10));
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 40, DateTime.UtcNow.AddDays(1));
         var list = _dishStorageContract.GetHistoryByDishId(Guid.NewGuid().ToString());
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(0));
@@ -109,42 +110,42 @@ internal class DishStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
         AssertElement(_dishStorageContract.GetElementById(dish.Id), dish);
     }
 
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
         Assert.That(() => _dishStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
 
     [Test]
-    public void Try_GetElementById_WhenRecordHasDeleted_Test()
+    public void Try_GetElementById_WhenRecordWasDeleted_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), isDeleted: true);
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(isDeleted: true);
         Assert.That(() => _dishStorageContract.GetElementById(dish.Id), Is.Null);
     }
 
     [Test]
     public void Try_GetElementByName_WhenHaveRecord_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
         AssertElement(_dishStorageContract.GetElementByName(dish.DishName), dish);
     }
 
     [Test]
     public void Try_GetElementByName_WhenNoRecord_Test()
     {
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
         Assert.That(() => _dishStorageContract.GetElementByName("name"), Is.Null);
     }
 
     [Test]
-    public void Try_GetElementByName_WhenRecordHasDeleted_Test()
+    public void Try_GetElementByName_WhenRecordWasDeleted_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), isDeleted: true);
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(isDeleted: true);
         Assert.That(() => _dishStorageContract.GetElementById(dish.DishName), Is.Null);
     }
 
@@ -153,7 +154,7 @@ internal class DishStorageContractTests : BaseStorageContractTest
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), isDeleted: false);
         _dishStorageContract.AddElement(dish);
-        AssertElement(GetDishFromDatabaseById(dish.Id), dish);
+        AssertElement(AndDietCokeDbContext.GetDishFromDatabaseById(dish.Id), dish);
     }
 
     [Test]
@@ -161,14 +162,14 @@ internal class DishStorageContractTests : BaseStorageContractTest
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), isDeleted: true);
         Assert.That(() => _dishStorageContract.AddElement(dish), Throws.Nothing);
-        AssertElement(GetDishFromDatabaseById(dish.Id), CreateModel(dish.Id, isDeleted: false));
+        AssertElement(AndDietCokeDbContext.GetDishFromDatabaseById(dish.Id), CreateModel(dish.Id, isDeleted: false));
     }
 
     [Test]
     public void Try_AddElement_WhenHaveRecordWithSameId_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString());
-        InsertDishToDatabaseAndReturn(dish.Id, dishName: "name unique");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dish.Id, dishName: "name unique");
         Assert.That(() => _dishStorageContract.AddElement(dish), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -176,7 +177,7 @@ internal class DishStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenHaveRecordWithSameName_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), "name unique", isDeleted: false);
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), dishName: dish.DishName, isDeleted: false);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: dish.DishName, isDeleted: false);
         Assert.That(() => _dishStorageContract.AddElement(dish), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -184,7 +185,7 @@ internal class DishStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenHaveRecordWithSameNameButOneWasDeleted_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), "name unique", isDeleted: false);
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), dishName: dish.DishName, isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: dish.DishName, isDeleted: true);
         Assert.That(() => _dishStorageContract.AddElement(dish), Throws.Nothing);
     }
 
@@ -192,18 +193,18 @@ internal class DishStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), isDeleted: false);
-        InsertDishToDatabaseAndReturn(dish.Id, isDeleted: false);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(id: dish.Id, isDeleted: false);
         _dishStorageContract.UpdElement(dish);
-        AssertElement(GetDishFromDatabaseById(dish.Id), dish);
+        AssertElement(AndDietCokeDbContext.GetDishFromDatabaseById(dish.Id), dish);
     }
 
     [Test]
     public void Try_UpdElement_WhenIsDeletedIsTrue_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), isDeleted: true);
-        InsertDishToDatabaseAndReturn(dish.Id, isDeleted: false);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dish.Id, isDeleted: false);
         _dishStorageContract.UpdElement(dish);
-        AssertElement(GetDishFromDatabaseById(dish.Id), CreateModel(dish.Id, isDeleted: false));
+        AssertElement(AndDietCokeDbContext.GetDishFromDatabaseById(dish.Id), CreateModel(dish.Id, isDeleted: false));
     }
 
     [Test]
@@ -216,8 +217,8 @@ internal class DishStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenHaveRecordWithSameName_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), "name unique", isDeleted: false);
-        InsertDishToDatabaseAndReturn(dish.Id, dishName: "name");
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), dishName: dish.DishName);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dish.Id, dishName: "name");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: dish.DishName);
         Assert.That(() => _dishStorageContract.UpdElement(dish), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -225,8 +226,8 @@ internal class DishStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenHaveRecordWithSameNameButOneWasDeleted_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString(), "name unique", isDeleted: false);
-        InsertDishToDatabaseAndReturn(dish.Id, dishName: "name");
-        InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), dishName: dish.DishName, isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dish.Id, dishName: "name");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: dish.DishName, isDeleted: true);
         Assert.That(() => _dishStorageContract.UpdElement(dish), Throws.Nothing);
     }
 
@@ -234,16 +235,16 @@ internal class DishStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenRecordWasDeleted_Test()
     {
         var dish = CreateModel(Guid.NewGuid().ToString());
-        InsertDishToDatabaseAndReturn(dish.Id, isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dish.Id, isDeleted: true);
         Assert.That(() => _dishStorageContract.UpdElement(dish), Throws.TypeOf<ElementNotFoundException>());
     }
 
     [Test]
     public void Try_DelElement_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), isDeleted: false);
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(isDeleted: false);
         _dishStorageContract.DelElement(dish.Id);
-        var element = GetDishFromDatabaseById(dish.Id);
+        var element = AndDietCokeDbContext.GetDishFromDatabaseById(dish.Id);
         Assert.Multiple(() =>
         {
             Assert.That(element, Is.Not.Null);
@@ -260,26 +261,10 @@ internal class DishStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_DelElement_WhenRecordWasDeleted_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn(Guid.NewGuid().ToString(), isDeleted: true);
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(isDeleted: true);
         Assert.That(() => _dishStorageContract.DelElement(dish.Id), Throws.TypeOf<ElementNotFoundException>());
     }
 
-    private Dish InsertDishToDatabaseAndReturn(string id, string dishName = "test", DishType dishType = DishType.Drink, double price = 1, bool isDeleted = false)
-    {
-        var dish = new Dish() { Id = id, DishName = dishName, DishType = dishType, Price = price, IsDeleted = isDeleted };
-        AndDietCokeDbContext.Dishes.Add(dish);
-        AndDietCokeDbContext.SaveChanges();
-        return dish;
-    }
-
-    private DishHistory InsertDishHistoryToDatabaseAndReturn(string dishId, double price, DateTime changeDate)
-    {
-        var dishHistory = new DishHistory() { Id = Guid.NewGuid().ToString(), DishId = dishId, OldPrice = price, ChangeDate = changeDate };
-        AndDietCokeDbContext.DishHistories.Add(dishHistory);
-        AndDietCokeDbContext.SaveChanges();
-        return dishHistory;
-    }
-
     private static void AssertElement(DishDataModel? actual, Dish expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -296,8 +281,6 @@ internal class DishStorageContractTests : BaseStorageContractTest
     private static DishDataModel CreateModel(string id, string dishName = "test", DishType dishType = DishType.Drink, double price = 1, bool isDeleted = false)
         => new(id, dishName, dishType, price, isDeleted);
 
-    private Dish? GetDishFromDatabaseById(string id) => AndDietCokeDbContext.Dishes.FirstOrDefault(x => x.Id == id);
-
     private static void AssertElement(Dish? actual, DishDataModel expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -310,4 +293,4 @@ internal class DishStorageContractTests : BaseStorageContractTest
             Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
         });
     }
-}
+}

AndDietCokeProject/AndDietCokeTests/StoragesContracts/PostStorageContractTests.cs

@@ -11,6 +11,7 @@ using System.Threading.Tasks;
 using AndDietCokeDatabase.Implementations;
 using Microsoft.EntityFrameworkCore;
 using AndDietCokeDatabase.Models;
+using AndDietCokeTests.Infrastructure;
 
 namespace AndDietCokeTests.StoragesContracts;
 
@@ -28,15 +29,15 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Posts\" CASCADE;");
+        AndDietCokeDbContext.RemovePostsFromDatabase();
     }
 
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1", PostType.Chef, 20, true, DateTime.MinValue);
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2", PostType.Chef, 20, true, DateTime.MinValue);
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3", PostType.Chef, 20, true, DateTime.MinValue);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 1");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 2");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 3");
         var list = _postStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
@@ -51,44 +52,13 @@ internal class PostStorageContractTests : BaseStorageContractTest
         Assert.That(list, Is.Empty);
     }
 
-    [Test]
-    public void Try_GetList_OnlyActual_Test()
-    {
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1", isActual: true);
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2", isActual: true);
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3", isActual: false);
-        var list = _postStorageContract.GetList(onlyActual: true);
-        Assert.That(list, Is.Not.Null);
-        Assert.Multiple(() =>
-        {
-            Assert.That(list, Has.Count.EqualTo(2));
-            Assert.That(!list.Any(x => !x.IsActual));
-        });
-    }
-
-    [Test]
-    public void Try_GetList_IncludeNoActual_Test()
-    {
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1", isActual: true);
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 2", isActual: true);
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 3", isActual: false);
-        var list = _postStorageContract.GetList(onlyActual: false);
-        Assert.That(list, Is.Not.Null);
-        Assert.Multiple(() =>
-        {
-            Assert.That(list, Has.Count.EqualTo(3));
-            Assert.That(list.Count(x => x.IsActual), Is.EqualTo(2));
-            Assert.That(list.Count(x => !x.IsActual), Is.EqualTo(1));
-        });
-    }
-
     [Test]
     public void Try_GetPostWithHistory_WhenHaveRecords_Test()
     {
         var postId = Guid.NewGuid().ToString();
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1", isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 1", isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
         var list = _postStorageContract.GetPostWithHistory(postId);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -97,12 +67,11 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetPostWithHistory_WhenNoRecords_Test()
     {
-        var nonExistentId = Guid.NewGuid().ToString();
         var postId = Guid.NewGuid().ToString();
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), "name 1", isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
-        InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
-        var list = _postStorageContract.GetPostWithHistory(nonExistentId);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 1", isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        var list = _postStorageContract.GetPostWithHistory(Guid.NewGuid().ToString());
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(0));
     }
@@ -110,81 +79,73 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
         AssertElement(_postStorageContract.GetElementById(post.PostId), post);
     }
 
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
         Assert.That(() => _postStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
 
     [Test]
-    public void Try_GetElementById_WhenRecordHasDeleted_Test()
+    public void Try_GetElementById_WhenRecordWasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), isActual: false);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false);
         Assert.That(() => _postStorageContract.GetElementById(post.PostId), Is.Null);
     }
 
     [Test]
     public void Try_GetElementById_WhenTrySearchById_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
         Assert.That(() => _postStorageContract.GetElementById(post.Id), Is.Null);
     }
 
     [Test]
     public void Try_GetElementByName_WhenHaveRecord_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
         AssertElement(_postStorageContract.GetElementByName(post.PostName), post);
     }
 
     [Test]
     public void Try_GetElementByName_WhenNoRecord_Test()
     {
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
         Assert.That(() => _postStorageContract.GetElementByName("name"), Is.Null);
     }
 
     [Test]
-    public void Try_GetElementByName_WhenRecordHasDeleted_Test()
+    public void Try_GetElementByName_WhenRecordWasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), isActual: false);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false);
         Assert.That(() => _postStorageContract.GetElementById(post.PostName), Is.Null);
     }
 
     [Test]
     public void Try_AddElement_Test()
     {
-        var post = CreateModel(Guid.NewGuid().ToString(), isActual: true);
+        var post = CreateModel(Guid.NewGuid().ToString());
         _postStorageContract.AddElement(post);
-        AssertElement(GetPostFromDatabaseByPostId(post.Id), post);
-    }
-
-    [Test]
-    public void Try_AddElement_WhenActualIsFalse_Test()
-    {
-        var post = CreateModel(Guid.NewGuid().ToString(), isActual: false);
-        Assert.That(() => _postStorageContract.AddElement(post), Throws.Nothing);
-        AssertElement(GetPostFromDatabaseByPostId(post.Id), CreateModel(post.Id, isActual: true));
+        AssertElement(AndDietCokeDbContext.GetPostFromDatabaseByPostId(post.Id), post);
     }
 
     [Test]
     public void Try_AddElement_WhenHaveRecordWithSameName_Test()
     {
-        var post = CreateModel(Guid.NewGuid().ToString(), "name unique", isActual: true);
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), postName: post.PostName, isActual: true);
+        var post = CreateModel(Guid.NewGuid().ToString(), "name unique");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: post.PostName, isActual: true);
         Assert.That(() => _postStorageContract.AddElement(post), Throws.TypeOf<ElementExistsException>());
     }
 
     [Test]
-    public void Try_AddElement_WhenHaveRecordWithSamePostIdAndActualIsTrue_Test()
+    public void Try_AddElement_WhenHaveRecordWithSamePostId_Test()
     {
-        var post = CreateModel(Guid.NewGuid().ToString(), isActual: true);
-        InsertPostToDatabaseAndReturn(post.Id, isActual: true);
+        var post = CreateModel(Guid.NewGuid().ToString());
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(post.Id, isActual: true);
         Assert.That(() => _postStorageContract.AddElement(post), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -192,21 +153,13 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString());
-        InsertPostToDatabaseAndReturn(post.Id, isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(post.Id, isActual: true);
         _postStorageContract.UpdElement(post);
-        var posts = AndDietCokeDbContext.Posts.Where(x => x.PostId == post.Id).OrderByDescending(x => x.ChangeDate);
-        Assert.That(posts.Count(), Is.EqualTo(2));
-        AssertElement(posts.First(), CreateModel(post.Id, isActual: true));
-        AssertElement(posts.Last(), CreateModel(post.Id, isActual: false));
-    }
-
-    [Test]
-    public void Try_UpdElement_WhenActualIsFalse_Test()
-    {
-        var post = CreateModel(Guid.NewGuid().ToString(), isActual: false);
-        InsertPostToDatabaseAndReturn(post.Id, isActual: true);
-        _postStorageContract.UpdElement(post);
-        AssertElement(GetPostFromDatabaseByPostId(post.Id), CreateModel(post.Id, isActual: true));
+        var posts = AndDietCokeDbContext.GetPostsFromDatabaseByPostId(post.Id);
+        Assert.That(posts, Is.Not.Null);
+        Assert.That(posts, Has.Length.EqualTo(2));
+        AssertElement(posts[0], CreateModel(post.Id));
+        AssertElement(posts[^1], CreateModel(post.Id));
     }
 
     [Test]
@@ -219,8 +172,8 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenHaveRecordWithSameName_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString(), "New Name");
-        InsertPostToDatabaseAndReturn(post.Id, postName: "name");
-        InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), postName: post.PostName);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(post.Id, postName: "name");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: post.PostName);
         Assert.That(() => _postStorageContract.UpdElement(post), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -228,21 +181,16 @@ internal class PostStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenRecordWasDeleted_Test()
     {
         var post = CreateModel(Guid.NewGuid().ToString());
-        InsertPostToDatabaseAndReturn(post.Id, isActual: false);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(post.Id, isActual: false);
         Assert.That(() => _postStorageContract.UpdElement(post), Throws.TypeOf<ElementDeletedException>());
     }
 
     [Test]
     public void Try_DelElement_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), isActual: true);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: true);
         _postStorageContract.DelElement(post.PostId);
-        var element = GetPostFromDatabaseByPostId(post.PostId);
-        Assert.Multiple(() =>
-        {
-            Assert.That(element, Is.Not.Null);
-            Assert.That(!element!.IsActual);
-        });
+        Assert.That(AndDietCokeDbContext.GetPostFromDatabaseByPostId(post.PostId), Is.Null);
     }
 
     [Test]
@@ -254,16 +202,16 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_DelElement_WhenRecordWasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), isActual: false);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false);
         Assert.That(() => _postStorageContract.DelElement(post.PostId), Throws.TypeOf<ElementDeletedException>());
     }
 
     [Test]
     public void Try_ResElement_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), isActual: false);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false);
         _postStorageContract.ResElement(post.PostId);
-        var element = GetPostFromDatabaseByPostId(post.PostId);
+        var element = AndDietCokeDbContext.GetPostFromDatabaseByPostId(post.PostId);
         Assert.Multiple(() =>
         {
             Assert.That(element, Is.Not.Null);
@@ -280,18 +228,10 @@ internal class PostStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_ResElement_WhenRecordNotWasDeleted_Test()
     {
-        var post = InsertPostToDatabaseAndReturn(Guid.NewGuid().ToString(), isActual: true);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: true);
         Assert.That(() => _postStorageContract.ResElement(post.PostId), Throws.Nothing);
     }
 
-    private Post InsertPostToDatabaseAndReturn(string id, string postName = "test", PostType postType = PostType.Waiter, double salary = 10, bool isActual = true, DateTime? changeDate = null)
-    {
-        var post = new Post() { Id = Guid.NewGuid().ToString(), PostId = id, PostName = postName, PostType = postType, Salary = salary, IsActual = isActual, ChangeDate = changeDate ?? DateTime.UtcNow };
-        AndDietCokeDbContext.Posts.Add(post);
-        AndDietCokeDbContext.SaveChanges();
-        return post;
-    }
-
     private static void AssertElement(PostDataModel? actual, Post expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -301,14 +241,13 @@ internal class PostStorageContractTests : BaseStorageContractTest
             Assert.That(actual.PostName, Is.EqualTo(expected.PostName));
             Assert.That(actual.PostType, Is.EqualTo(expected.PostType));
             Assert.That(actual.Salary, Is.EqualTo(expected.Salary));
-            Assert.That(actual.IsActual, Is.EqualTo(expected.IsActual));
         });
     }
 
-    private static PostDataModel CreateModel(string postId, string postName = "test", PostType postType = PostType.Waiter, double salary = 10, bool isActual = false, DateTime? changeDate = null)
-        => new(postId, postName, postType, salary, isActual, changeDate ?? DateTime.UtcNow);
-
-    private Post? GetPostFromDatabaseByPostId(string id) => AndDietCokeDbContext.Posts.Where(x => x.PostId == id).OrderByDescending(x => x.ChangeDate).FirstOrDefault();
+    private static PostDataModel CreateModel(string postId, string postName = "test", PostType postType = PostType.Packer, double salary = 10, bool isActive = true, DateTime? changeDate = null)
+    {
+        return new(postId, postName, postType, salary, isActive, changeDate ?? DateTime.Now);
+    }
 
     private static void AssertElement(Post? actual, PostDataModel expected)
     {
@@ -319,7 +258,6 @@ internal class PostStorageContractTests : BaseStorageContractTest
             Assert.That(actual.PostName, Is.EqualTo(expected.PostName));
             Assert.That(actual.PostType, Is.EqualTo(expected.PostType));
             Assert.That(actual.Salary, Is.EqualTo(expected.Salary));
-            Assert.That(actual.IsActual, Is.EqualTo(expected.IsActual));
         });
     }
-}
+}

AndDietCokeProject/AndDietCokeTests/StoragesContracts/SaleStorageContractTests.cs

@@ -6,6 +6,7 @@ using AndDietCokeDatabase.Implementations;
 using NUnit.Framework;
 using Microsoft.EntityFrameworkCore;
 using AndDietCokeContracts.Enums;
+using AndDietCokeTests.Infrastructure;
 
 namespace AndDietCokeTests.StoragesContracts;
 
@@ -21,26 +22,26 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     public void SetUp()
     {
         _saletStorageContract = new SaleStorageContract(AndDietCokeDbContext);
-        _buyer = InsertBuyerToDatabaseAndReturn();
-        _worker = InsertWorkerToDatabaseAndReturn();
-        _dish = InsertDishToDatabaseAndReturn();
+        _buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        _worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        _dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
     }
 
     [TearDown]
     public void TearDown()
     {
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Sales\" CASCADE;");
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Buyers\" CASCADE;");
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE;");
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Dishes\" CASCADE;");
+        AndDietCokeDbContext.RemoveSalesFromDatabase();
+        AndDietCokeDbContext.RemoveWorkersFromDatabase();
+        AndDietCokeDbContext.RemoveBuyersFromDatabase();
+        AndDietCokeDbContext.RemoveDishesFromDatabase();
     }
 
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var sale = InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 5)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(_dish.Id, 10)]);
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 5, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(_dish.Id, 10, 1.2)]);
         var list = _saletStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
@@ -58,10 +59,10 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_ByPeriod_Test()
     {
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-3), dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(3), dishes: [(_dish.Id, 1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-3), dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(3), dishes: [(_dish.Id, 1, 1.2)]);
         var list = _saletStorageContract.GetList(startDate: DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1));
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -70,10 +71,10 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_ByWorkerId_Test()
     {
-        var worker = InsertWorkerToDatabaseAndReturn("Other worker");
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(worker.Id, null, dishes: [(_dish.Id, 1)]);
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "Other worker");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, null, dishes: [(_dish.Id, 1, 1.2)]);
         var list = _saletStorageContract.GetList(workerId: _worker.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -83,11 +84,11 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_ByBuyerId_Test()
     {
-        var buyer = InsertBuyerToDatabaseAndReturn("Other fio", "+8-888-888-88-88");
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, buyer.Id, dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(_dish.Id, 1)]);
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(fio: "Other fio", phoneNumber: "+8-888-888-88-88");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(_dish.Id, 1, 1.2)]);
         var list = _saletStorageContract.GetList(buyerId: _buyer.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -97,30 +98,30 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_ByDishId_Test()
     {
-        var dish = InsertDishToDatabaseAndReturn("Other name");
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 5)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1), (dish.Id, 4)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(dish.Id, 1), (_dish.Id, 1)]);
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn( dishName: "Other name");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 5, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2), (dish.Id, 4, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, null, dishes: [(dish.Id, 1, 1.2), (_dish.Id, 1, 1.2)]);
         var list = _saletStorageContract.GetList(dishId: _dish.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
-        Assert.That(list.All(x => x.Dishes.Any(y => y.DishId == _dish.Id)));
+        Assert.That(list.All(x => x.Dishes!.Any(y => y.DishId == _dish.Id)));
     }
 
     [Test]
     public void Try_GetList_ByAllParameters_Test()
     {
-        var worker = InsertWorkerToDatabaseAndReturn("Other worker");
-        var buyer = InsertBuyerToDatabaseAndReturn("Other fio", "+8-888-888-88-88");
-        var dish = InsertDishToDatabaseAndReturn("Other name");
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-3), dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(worker.Id, null, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, buyer.Id, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(_dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(dish.Id, 1)]);
-        InsertSaleToDatabaseAndReturn(worker.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(_dish.Id, 1)]);
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "Other worker");
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(fio: "Other fio", phoneNumber: "+8-888-888-88-88");
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "Other name");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-3), dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, null, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, buyer.Id, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(_dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(dish.Id, 1, 1.2)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(_dish.Id, 1, 1.2)]);
         var list = _saletStorageContract.GetList(startDate: DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1), workerId: _worker.Id, buyerId: _buyer.Id, dishId: dish.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(1));
@@ -129,46 +130,46 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var sale = InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)]);
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
         AssertElement(_saletStorageContract.GetElementById(sale.Id), sale);
     }
 
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
-        InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)]);
         Assert.That(() => _saletStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
 
     [Test]
     public void Try_GetElementById_WhenRecordHasCanceled_Test()
     {
-        var sale = InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)], isCancel: true);
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)], isCancel: true);
         AssertElement(_saletStorageContract.GetElementById(sale.Id), sale);
     }
 
     [Test]
     public void Try_AddElement_Test()
     {
-        var sale = CreateModel(Guid.NewGuid().ToString(), _worker.Id, _buyer.Id, 1, true, false, [_dish.Id]);
+        var sale = CreateModel(Guid.NewGuid().ToString(), _worker.Id, _buyer.Id, 0, true, false, [_dish.Id]);
         _saletStorageContract.AddElement(sale);
-        AssertElement(GetSaleFromDatabaseById(sale.Id), sale);
+        AssertElement(AndDietCokeDbContext.GetSaleFromDatabaseById(sale.Id), sale);
     }
 
     [Test]
     public void Try_AddElement_WhenIsDeletedIsTrue_Test()
     {
-        var sale = CreateModel(Guid.NewGuid().ToString(), _worker.Id, _buyer.Id, 1, true, false, [_dish.Id]);
+        var sale = CreateModel(Guid.NewGuid().ToString(), _worker.Id, _buyer.Id, 0, true, true, [_dish.Id]);
         Assert.That(() => _saletStorageContract.AddElement(sale), Throws.Nothing);
-        AssertElement(GetSaleFromDatabaseById(sale.Id), CreateModel(sale.Id, _worker.Id, _buyer.Id, 1, true, false, [_dish.Id]));
+        AssertElement(AndDietCokeDbContext.GetSaleFromDatabaseById(sale.Id), CreateModel(sale.Id, _worker.Id, _buyer.Id, 0, true, false, [_dish.Id]));
     }
 
     [Test]
     public void Try_DelElement_Test()
     {
-        var sale = InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)], isCancel: false);
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)], isCancel: false);
         _saletStorageContract.DelElement(sale.Id);
-        var element = GetSaleFromDatabaseById(sale.Id);
+        var element = AndDietCokeDbContext.GetSaleFromDatabaseById(sale.Id);
         Assert.Multiple(() =>
         {
             Assert.That(element, Is.Not.Null);
@@ -185,49 +186,10 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_DelElement_WhenRecordWasCanceled_Test()
     {
-        var sale = InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1)], isCancel: true);
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_worker.Id, _buyer.Id, dishes: [(_dish.Id, 1, 1.2)], isCancel: true);
         Assert.That(() => _saletStorageContract.DelElement(sale.Id), Throws.TypeOf<ElementDeletedException>());
     }
 
-    private Buyer InsertBuyerToDatabaseAndReturn(string fio = "test", string phoneNumber = "+7-777-777-77-77")
-    {
-        var buyer = new Buyer() { Id = Guid.NewGuid().ToString(), FIO = fio, PhoneNumber = phoneNumber, DiscountSize = 10 };
-        AndDietCokeDbContext.Buyers.Add(buyer);
-        AndDietCokeDbContext.SaveChanges();
-        return buyer;
-    }
-
-    private Worker InsertWorkerToDatabaseAndReturn(string fio = "test")
-    {
-        var worker = new Worker() { Id = Guid.NewGuid().ToString(), FIO = fio, PostId = Guid.NewGuid().ToString() };
-        AndDietCokeDbContext.Workers.Add(worker);
-        AndDietCokeDbContext.SaveChanges();
-        return worker;
-    }
-
-    private Dish InsertDishToDatabaseAndReturn(string dishName = "test", DishType dishType = DishType.Base, double price = 1, bool isDeleted = false)
-    {
-        var dish = new Dish() { Id = Guid.NewGuid().ToString(), DishName = dishName, DishType = dishType, Price = price, IsDeleted = isDeleted };
-        AndDietCokeDbContext.Dishes.Add(dish);
-        AndDietCokeDbContext.SaveChanges();
-        return dish;
-    }
-
-    private Sale InsertSaleToDatabaseAndReturn(string workerId, string? buyerId, DateTime? saleDate = null, double sum = 1, bool isConstantClient = true, bool isCancel = false, List<(string, int)>? dishes = null)
-    {
-        var sale = new Sale() { WorkerId = workerId, BuyerId = buyerId, SaleDate = saleDate ?? DateTime.UtcNow, Sum = sum, IsConstantClient = isConstantClient, IsCancel = isCancel, OrderDishes = [] };
-        if (dishes is not null)
-        {
-            foreach (var elem in dishes)
-            {
-                sale.OrderDishes.Add(new OrderDish { DishId = elem.Item1, OrderId = sale.Id, Count = elem.Item2 });
-            }
-        }
-        AndDietCokeDbContext.Sales.Add(sale);
-        AndDietCokeDbContext.SaveChanges();
-        return sale;
-    }
-
     private static void AssertElement(SaleDataModel? actual, Sale expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -236,6 +198,8 @@ internal class SaleStorageContractTests : BaseStorageContractTest
             Assert.That(actual.Id, Is.EqualTo(expected.Id));
             Assert.That(actual.WorkerId, Is.EqualTo(expected.WorkerId));
             Assert.That(actual.BuyerId, Is.EqualTo(expected.BuyerId));
+            Assert.That(actual.Sum, Is.EqualTo(expected.Sum));
+            Assert.That(actual.IsConstantClient, Is.EqualTo(expected.IsConstantClient));
             Assert.That(actual.IsCancel, Is.EqualTo(expected.IsCancel));
         });
 
@@ -260,12 +224,10 @@ internal class SaleStorageContractTests : BaseStorageContractTest
 
     private static SaleDataModel CreateModel(string id, string workerId, string? buyerId, double sum, bool isConstantClient, bool isCancel, List<string> dishIds)
     {
-        var dishes = dishIds.Select(x => new OrderDishDataModel(id, x, 1)).ToList();
-        return new(id, workerId, buyerId, sum, isConstantClient, isCancel, dishes);
+        var dishes = dishIds.Select(x => new OrderDishDataModel(id, x, 1, 1.1)).ToList();
+        return new(id, workerId, buyerId, isConstantClient, isCancel, dishes);
     }
 
-    private Sale? GetSaleFromDatabaseById(string id) => AndDietCokeDbContext.Sales.Include(x => x.OrderDishes).FirstOrDefault(x => x.Id == id);
-
     private static void AssertElement(Sale? actual, SaleDataModel expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -274,6 +236,8 @@ internal class SaleStorageContractTests : BaseStorageContractTest
             Assert.That(actual.Id, Is.EqualTo(expected.Id));
             Assert.That(actual.WorkerId, Is.EqualTo(expected.WorkerId));
             Assert.That(actual.BuyerId, Is.EqualTo(expected.BuyerId));
+            Assert.That(actual.Sum, Is.EqualTo(expected.Sum));
+            Assert.That(actual.IsConstantClient, Is.EqualTo(expected.IsConstantClient));
             Assert.That(actual.IsCancel, Is.EqualTo(expected.IsCancel));
         });
 
@@ -287,6 +251,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
                 {
                     Assert.That(actual.OrderDishes[i].DishId, Is.EqualTo(expected.Dishes[i].DishId));
                     Assert.That(actual.OrderDishes[i].Count, Is.EqualTo(expected.Dishes[i].Count));
+                    Assert.That(actual.OrderDishes[i].Price, Is.EqualTo(expected.Dishes[i].Price));
                 });
             }
         }
@@ -295,4 +260,4 @@ internal class SaleStorageContractTests : BaseStorageContractTest
             Assert.That(actual.OrderDishes, Is.Null);
         }
     }
-}
+}

AndDietCokeProject/AndDietCokeTests/StoragesContracts/WorkerStorageContractTests.cs

@@ -10,6 +10,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
+using AndDietCokeTests.Infrastructure;
 
 namespace AndDietCokeTests.StoragesContracts;
 
@@ -28,19 +29,19 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     [TearDown]
     public void TearDown()
     {
-        AndDietCokeDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Workers\" CASCADE;");
+        AndDietCokeDbContext.RemoveWorkersFromDatabase();
     }
 
     [Test]
     public void Try_GetList_WhenHaveRecords_Test()
     {
-        var worker = InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1");
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2");
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3");
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1");
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2");
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3");
         var list = _workerStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
-        AssertElement(list.First(), worker);
+        AssertElement(list.First(x => x.FIO == worker.FIO), worker);
     }
 
     [Test]
@@ -55,9 +56,9 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     public void Try_GetList_ByPostId_Test()
     {
         var postId = Guid.NewGuid().ToString();
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1", postId);
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2", postId);
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3");
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", postId: postId);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", postId: postId);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3");
         var list = _workerStorageContract.GetList(postId: postId);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -67,10 +68,10 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_ByBirthDate_Test()
     {
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1", birthDate: DateTime.UtcNow.AddYears(-25));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2", birthDate: DateTime.UtcNow.AddYears(-21));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3", birthDate: DateTime.UtcNow.AddYears(-20));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4", birthDate: DateTime.UtcNow.AddYears(-19));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", birthDate: DateTime.UtcNow.AddYears(-25));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", birthDate: DateTime.UtcNow.AddYears(-21));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", birthDate: DateTime.UtcNow.AddYears(-20));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4", birthDate: DateTime.UtcNow.AddYears(-19));
         var list = _workerStorageContract.GetList(fromBirthDate: DateTime.UtcNow.AddYears(-21).AddMinutes(-1), toBirthDate: DateTime.UtcNow.AddYears(-20).AddMinutes(1));
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -79,10 +80,10 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_ByEmploymentDate_Test()
     {
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1", employmentDate: DateTime.UtcNow.AddDays(-2));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2", employmentDate: DateTime.UtcNow.AddDays(-1));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3", employmentDate: DateTime.UtcNow.AddDays(1));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4", employmentDate: DateTime.UtcNow.AddDays(2));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", employmentDate: DateTime.UtcNow.AddDays(-2));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", employmentDate: DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", employmentDate: DateTime.UtcNow.AddDays(1));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4", employmentDate: DateTime.UtcNow.AddDays(2));
         var list = _workerStorageContract.GetList(fromEmploymentDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-1), toEmploymentDate: DateTime.UtcNow.AddDays(1).AddMinutes(1));
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
@@ -92,10 +93,10 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     public void Try_GetList_ByAllParameters_Test()
     {
         var postId = Guid.NewGuid().ToString();
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 1", postId, birthDate: DateTime.UtcNow.AddYears(-25), employmentDate: DateTime.UtcNow.AddDays(-2));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 2", postId, birthDate: DateTime.UtcNow.AddYears(-22), employmentDate: DateTime.UtcNow.AddDays(-1));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 3", postId, birthDate: DateTime.UtcNow.AddYears(-21), employmentDate: DateTime.UtcNow.AddDays(-1));
-        InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString(), "fio 4", birthDate: DateTime.UtcNow.AddYears(-20), employmentDate: DateTime.UtcNow.AddDays(1));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", postId: postId, birthDate: DateTime.UtcNow.AddYears(-25), employmentDate: DateTime.UtcNow.AddDays(-2));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", postId: postId, birthDate: DateTime.UtcNow.AddYears(-22), employmentDate: DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", postId: postId, birthDate: DateTime.UtcNow.AddYears(-21), employmentDate: DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4", birthDate: DateTime.UtcNow.AddYears(-20), employmentDate: DateTime.UtcNow.AddDays(1));
         var list = _workerStorageContract.GetList(postId: postId, fromBirthDate: DateTime.UtcNow.AddYears(-21).AddMinutes(-1), toBirthDate: DateTime.UtcNow.AddYears(-20).AddMinutes(1), fromEmploymentDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-1), toEmploymentDate: DateTime.UtcNow.AddDays(1).AddMinutes(1));
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(1));
@@ -104,7 +105,7 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
-        var worker = InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
         AssertElement(_workerStorageContract.GetElementById(worker.Id), worker);
     }
 
@@ -117,7 +118,7 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetElementByFIO_WhenHaveRecord_Test()
     {
-        var worker = InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
         AssertElement(_workerStorageContract.GetElementByFIO(worker.FIO), worker);
     }
 
@@ -132,14 +133,14 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     {
         var worker = CreateModel(Guid.NewGuid().ToString());
         _workerStorageContract.AddElement(worker);
-        AssertElement(GetWorkerFromDatabase(worker.Id), worker);
+        AssertElement(AndDietCokeDbContext.GetWorkerFromDatabaseById(worker.Id), worker);
     }
 
     [Test]
     public void Try_AddElement_WhenHaveRecordWithSameId_Test()
     {
         var worker = CreateModel(Guid.NewGuid().ToString());
-        InsertWorkerToDatabaseAndReturn(worker.Id);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(worker.Id);
         Assert.That(() => _workerStorageContract.AddElement(worker), Throws.TypeOf<ElementExistsException>());
     }
 
@@ -147,9 +148,9 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_Test()
     {
         var worker = CreateModel(Guid.NewGuid().ToString(), "New Fio");
-        InsertWorkerToDatabaseAndReturn(worker.Id);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(worker.Id);
         _workerStorageContract.UpdElement(worker);
-        AssertElement(GetWorkerFromDatabase(worker.Id), worker);
+        AssertElement(AndDietCokeDbContext.GetWorkerFromDatabaseById(worker.Id), worker);
     }
 
     [Test]
@@ -162,16 +163,16 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     public void Try_UpdElement_WhenNoRecordWasDeleted_Test()
     {
         var worker = CreateModel(Guid.NewGuid().ToString());
-        InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
         Assert.That(() => _workerStorageContract.UpdElement(worker), Throws.TypeOf<ElementNotFoundException>());
     }
 
     [Test]
     public void Try_DelElement_Test()
     {
-        var worker = InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(Guid.NewGuid().ToString());
         _workerStorageContract.DelElement(worker.Id);
-        var element = GetWorkerFromDatabase(worker.Id);
+        var element = AndDietCokeDbContext.GetWorkerFromDatabaseById(worker.Id);
         Assert.That(element, Is.Not.Null);
         Assert.That(element.IsDeleted);
     }
@@ -186,18 +187,10 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     public void Try_DelElement_WhenNoRecordWasDeleted_Test()
     {
         var worker = CreateModel(Guid.NewGuid().ToString());
-        InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(worker.Id, isDeleted: true);
         Assert.That(() => _workerStorageContract.DelElement(worker.Id), Throws.TypeOf<ElementNotFoundException>());
     }
 
-    private Worker InsertWorkerToDatabaseAndReturn(string id, string fio = "test", string? postId = null, DateTime? birthDate = null, DateTime? employmentDate = null, bool isDeleted = false)
-    {
-        var worker = new Worker() { Id = id, FIO = fio, PostId = postId ?? Guid.NewGuid().ToString(), BirthDate = birthDate ?? DateTime.UtcNow.AddYears(-20), EmploymentDate = employmentDate ?? DateTime.UtcNow, IsDeleted = isDeleted };
-        AndDietCokeDbContext.Workers.Add(worker);
-        AndDietCokeDbContext.SaveChanges();
-        return worker;
-    }
-
     private static void AssertElement(WorkerDataModel? actual, Worker expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -215,8 +208,6 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
     private static WorkerDataModel CreateModel(string id, string fio = "fio", string? postId = null, DateTime? birthDate = null, DateTime? employmentDate = null, bool isDeleted = false) =>
         new(id, fio, postId ?? Guid.NewGuid().ToString(), birthDate ?? DateTime.UtcNow.AddYears(-20), employmentDate ?? DateTime.UtcNow, isDeleted);
 
-    private Worker? GetWorkerFromDatabase(string id) => AndDietCokeDbContext.Workers.FirstOrDefault(x => x.Id == id);
-
     private static void AssertElement(Worker? actual, WorkerDataModel expected)
     {
         Assert.That(actual, Is.Not.Null);
@@ -230,4 +221,4 @@ internal class WorkerStorageContractTests : BaseStorageContractTest
             Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
         });
     }
-}
+}

AndDietCokeProject/AndDietCokeTests/WebApiControllersTests/BaseWebApiControllerTest.cs

@@ -0,0 +1,68 @@
+using AndDietCokeDatabase;
+using AndDietCokeTests.Infrastructure;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using System.Text;
+using System.Text.Json;
+
+namespace AndDietCokeTests.WebApiControllersTests;
+
+internal class BaseWebApiControllerTest
+{
+    private WebApplicationFactory<Program> _webApplication;
+
+    protected HttpClient HttpClient { get; private set; }
+
+    protected AndDietCokeDbContext AndDietCokeDbContext { get; private set; }
+
+    protected static readonly JsonSerializerOptions JsonSerializerOptions = new() { PropertyNameCaseInsensitive = true };
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _webApplication = new CustomWebApplicationFactory<Program>();
+        HttpClient = _webApplication
+            .WithWebHostBuilder(builder =>
+            {
+                builder.ConfigureTestServices(services =>
+                {
+                    using var loggerFactory = new LoggerFactory();
+                    loggerFactory.AddSerilog(new LoggerConfiguration()
+                        .ReadFrom.Configuration(new ConfigurationBuilder()
+                            .SetBasePath(Directory.GetCurrentDirectory())
+                            .AddJsonFile("appsettings.json")
+                            .Build())
+                        .CreateLogger());
+                    services.AddSingleton(loggerFactory);
+                });
+            })
+            .CreateClient();
+
+        var request = HttpClient.GetAsync("/login/user").GetAwaiter().GetResult();
+        var data = request.Content.ReadAsStringAsync().GetAwaiter().GetResult();
+        HttpClient.DefaultRequestHeaders.Add("Authorization", $"Bearer {data}");
+
+        AndDietCokeDbContext = _webApplication.Services.GetRequiredService<AndDietCokeDbContext>();
+        AndDietCokeDbContext.Database.EnsureDeleted();
+        AndDietCokeDbContext.Database.EnsureCreated();
+    }
+
+    [OneTimeTearDown]
+    public void OneTimeTearDown()
+    {
+        AndDietCokeDbContext?.Database.EnsureDeleted();
+        AndDietCokeDbContext?.Dispose();
+        HttpClient?.Dispose();
+        _webApplication?.Dispose();
+    }
+
+    protected static async Task<T?> GetModelFromResponseAsync<T>(HttpResponseMessage response) =>
+        JsonSerializer.Deserialize<T>(await response.Content.ReadAsStringAsync(), JsonSerializerOptions);
+
+    protected static StringContent MakeContent(object model) =>
+        new(JsonSerializer.Serialize(model), Encoding.UTF8, "application/json");
+}

AndDietCokeProject/AndDietCokeTests/WebApiControllersTests/BuyerControllerTests.cs

@@ -0,0 +1,374 @@
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.ViewModels;
+using AndDietCokeDatabase.Models;
+using AndDietCokeTests.Infrastructure;
+using NUnit.Framework;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeTests.WebApiControllersTests;
+
+[TestFixture]
+internal class BuyerControllerTests : BaseWebApiControllerTest
+{
+    [TearDown]
+    public void TearDown()
+    {
+        AndDietCokeDbContext.RemoveSalesFromDatabase();
+        AndDietCokeDbContext.RemoveWorkersFromDatabase();
+        AndDietCokeDbContext.RemoveBuyersFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: "+5-555-555-55-55");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: "+6-666-666-66-66");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: "+7-777-777-77-77");
+        //Act
+        var response = await HttpClient.GetAsync("/api/buyers");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<BuyerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == buyer.Id), buyer);
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/buyers");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<BuyerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/buyers/{buyer.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<BuyerViewModel>(response), buyer);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/buyers/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByFIO_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/buyers/{buyer.FIO}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<BuyerViewModel>(response), buyer);
+    }
+
+    [Test]
+    public async Task GetElement_ByFIO_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/buyers/New%20Fio");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByPhoneNumber_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/buyers/{buyer.PhoneNumber}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<BuyerViewModel>(response), buyer);
+    }
+
+    [Test]
+    public async Task GetElement_ByPhoneNumber_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/buyers/+8-888-888-88-88");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        var buyerModel = CreateBindingModel();
+        //Act
+        var response = await HttpClient.PostAsync($"/api/buyers", MakeContent(buyerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(AndDietCokeDbContext.GetBuyerFromDatabase(buyerModel.Id!), buyerModel);
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var buyerModel = CreateBindingModel();
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(buyerModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/buyers", MakeContent(buyerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSamePhoneNumber_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var buyerModel = CreateBindingModel();
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: buyerModel.PhoneNumber!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/buyers", MakeContent(buyerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var buyerModelWithIdIncorrect = new BuyerBindingModel { Id = "Id", FIO = "fio", PhoneNumber = "+7-111-111-11-11" };
+        var buyerModelWithFioIncorrect = new BuyerBindingModel { Id = Guid.NewGuid().ToString(), FIO = string.Empty, PhoneNumber = "+7-111-111-11-11"};
+        var buyerModelWithPhoneNumberIncorrect = new BuyerBindingModel { Id = Guid.NewGuid().ToString(), FIO = "fio", PhoneNumber = "+7-111-111-11-11"};
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/buyers", MakeContent(buyerModelWithIdIncorrect));
+        var responseWithFioIncorrect = await HttpClient.PostAsync($"/api/buyers", MakeContent(buyerModelWithFioIncorrect));
+        var responseWithPhoneNumberIncorrect = await HttpClient.PostAsync($"/api/buyers", MakeContent(buyerModelWithPhoneNumberIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithFioIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Fio is incorrect");
+            Assert.That(responseWithPhoneNumberIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "PhoneNumber is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/buyers", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/buyers", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyerModel = CreateBindingModel(fio: "new fio");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(buyerModel.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/buyers", MakeContent(buyerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        AssertElement(AndDietCokeDbContext.GetBuyerFromDatabase(buyerModel.Id!), buyerModel);
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var buyerModel = CreateBindingModel(fio: "new fio");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/buyers", MakeContent(buyerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenHaveRecordWithSamePhoneNumber_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var buyerModel = CreateBindingModel(fio: "new fio");
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(buyerModel.Id);
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(phoneNumber: buyerModel.PhoneNumber!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/buyers", MakeContent(buyerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var buyerModelWithIdIncorrect = new BuyerBindingModel { Id = "Id", FIO = "fio", PhoneNumber = "+7-111-111-11-11"};
+        var buyerModelWithFioIncorrect = new BuyerBindingModel { Id = Guid.NewGuid().ToString(), FIO = string.Empty, PhoneNumber = "+7-111-111-11-11"};
+        var buyerModelWithPhoneNumberIncorrect = new BuyerBindingModel { Id = Guid.NewGuid().ToString(), FIO = "fio", PhoneNumber = "+7-111-111-11-11"};
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PutAsync($"/api/buyers", MakeContent(buyerModelWithIdIncorrect));
+        var responseWithFioIncorrect = await HttpClient.PutAsync($"/api/buyers", MakeContent(buyerModelWithFioIncorrect));
+        var responseWithPhoneNumberIncorrect = await HttpClient.PutAsync($"/api/buyers", MakeContent(buyerModelWithPhoneNumberIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithFioIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Fio is incorrect");
+            Assert.That(responseWithPhoneNumberIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "PhoneNumber is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/buyers", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/buyers", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyerId = Guid.NewGuid().ToString();
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(buyerId);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/buyers/{buyerId}");
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(AndDietCokeDbContext.GetBuyerFromDatabase(buyerId), Is.Null);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenHaveSalesByThisBuyer_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, buyer.Id);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, buyer.Id);
+        var salesBeforeDelete = AndDietCokeDbContext.GetSalesByBuyerId(buyer.Id);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/buyers/{buyer.Id}");
+        //Assert
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        var element = AndDietCokeDbContext.GetBuyerFromDatabase(buyer.Id);
+        var salesAfterDelete = AndDietCokeDbContext.GetSalesByBuyerId(buyer.Id);
+        var salesNoBuyers = AndDietCokeDbContext.GetSalesByBuyerId(null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(element, Is.Null);
+            Assert.That(salesBeforeDelete, Has.Length.EqualTo(2));
+            Assert.That(salesAfterDelete, Is.Empty);
+            Assert.That(salesNoBuyers, Has.Length.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/buyers/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/buyers/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(BuyerViewModel? actual, Buyer expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.FIO, Is.EqualTo(expected.FIO));
+            Assert.That(actual.PhoneNumber, Is.EqualTo(expected.PhoneNumber));
+            Assert.That(actual.DiscountSize, Is.EqualTo(expected.DiscountSize));
+        });
+    }
+
+    private static BuyerBindingModel CreateBindingModel(string? id = null, string fio = "fio", string phoneNumber = "+7-666-666-66-66", double discountSize = 10) =>
+        new()
+        {
+            Id = id ?? Guid.NewGuid().ToString(),
+            FIO = fio,
+            PhoneNumber = phoneNumber
+        };
+
+    private static void AssertElement(Buyer? actual, BuyerBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.FIO, Is.EqualTo(expected.FIO));
+            Assert.That(actual.PhoneNumber, Is.EqualTo(expected.PhoneNumber));
+        });
+    }
+}

AndDietCokeProject/AndDietCokeTests/WebApiControllersTests/DishControllerTests.cs

@@ -0,0 +1,483 @@
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.Enums;
+using AndDietCokeContracts.ViewModels;
+using AndDietCokeDatabase.Models;
+using AndDietCokeTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeTests.WebApiControllersTests;
+
+[TestFixture]
+internal class DishControllerTests : BaseWebApiControllerTest
+{
+
+    [SetUp]
+    public void SetUp()
+    {
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        AndDietCokeDbContext.RemoveDishesFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 1");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 2");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 3");
+        //Act
+        var response = await HttpClient.GetAsync("/api/dishes/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<DishViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == dish.Id), dish);
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/dishes/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<DishViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetList_OnlyActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 1", isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 2", isDeleted: false);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 3", isDeleted: false);
+        //Act
+        var response = await HttpClient.GetAsync("/api/dishes/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<DishViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => !x.IsDeleted));
+        });
+    }
+
+    [Test]
+    public async Task GetList_IncludeNoActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 1", isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 2", isDeleted: true);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "name 3", isDeleted: false);
+        //Act
+        var response = await HttpClient.GetAsync("/api/dishes/getrecords?includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<DishViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.Any(x => x.IsDeleted));
+            Assert.That(data.Any(x => !x.IsDeleted));
+        });
+    }
+
+
+    [Test]
+    public async Task GetHistoryByDishId_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 20, DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 30, DateTime.UtcNow.AddMinutes(-10));
+        var history = AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 40, DateTime.UtcNow.AddDays(1));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/gethistory?id={dish.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<DishHistoryViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(3));
+        AssertElement(data[0], history);
+    }
+
+    [Test]
+    public async Task GetHistoryByDishId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 20, DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 30, DateTime.UtcNow.AddMinutes(-10));
+        AndDietCokeDbContext.InsertDishHistoryToDatabaseAndReturn(dish.Id, 40, DateTime.UtcNow.AddDays(1));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/gethistory?id={Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<DishViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+
+    [Test]
+    public async Task GetHistoryByDishId_WhenDishIdIsNotGuid_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/gethistory?id=id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/getrecord/{dish.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<DishViewModel>(response), dish);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/getrecord/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(isDeleted: true);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/getrecord/{dish.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/getrecord/{dish.DishName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<DishViewModel>(response), dish);
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/getrecord/New%20Name");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(isDeleted: true);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/dishes/getrecord/{dish.DishName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        var dishModel = CreateModel();
+        //Act
+        var response = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(dishModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(AndDietCokeDbContext.GetDishFromDatabaseById(dishModel.Id!), dishModel);
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishModel = CreateModel();
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(dishModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishModel = CreateModel(dishName: "unique name");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: dishModel.DishName!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(dishModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishModelWithIdIncorrect = new DishBindingModel { Id = "Id",Price = 100, DishType = DishType.Dessert.ToString() };
+        var dishModelWithNameIncorrect = new DishBindingModel { Id = Guid.NewGuid().ToString(),Price = 100, DishType = DishType.Dessert.ToString() };
+        var dishModelWithDishTypeIncorrect = new DishBindingModel { Id = Guid.NewGuid().ToString(), Price = 100, DishType = string.Empty };
+        var dishModelWithPriceIncorrect = new DishBindingModel { Id = Guid.NewGuid().ToString(), Price = 0, DishType = DishType.Dessert.ToString() };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(dishModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(dishModelWithNameIncorrect));
+        var responseWithDishTypeIncorrect = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(dishModelWithDishTypeIncorrect));
+        var responseWithPriceIncorrect = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(dishModelWithPriceIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithDishTypeIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPriceIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/dishes/register", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dishModel = CreateModel();
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishModel.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        AssertElement(AndDietCokeDbContext.GetDishFromDatabaseById(dishModel.Id!), dishModel);
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishModel = CreateModel();
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishModel = CreateModel(dishName: "unique name");
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishModel.Id);
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: dishModel.DishName!);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishModel = CreateModel();
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishModel.Id, isDeleted: true);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishModelWithIdIncorrect = new DishBindingModel { Id = "Id", Price = 100, DishType = DishType.Dessert.ToString() };
+        var dishModelWithNameIncorrect = new DishBindingModel { Id = Guid.NewGuid().ToString(), Price = 100, DishType = DishType.Dessert.ToString() };
+        var dishModelWithDishTypeIncorrect = new DishBindingModel { Id = Guid.NewGuid().ToString(), Price = 100, DishType = string.Empty };
+        var dishModelWithPriceIncorrect = new DishBindingModel { Id = Guid.NewGuid().ToString(), Price = 0, DishType = DishType.Dessert.ToString() };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModelWithNameIncorrect));
+        var responseWithDishTypeIncorrect = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModelWithDishTypeIncorrect));
+        var responseWithPriceIncorrect = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(dishModelWithPriceIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithDishTypeIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPriceIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/dishes/changeinfo", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dishId = Guid.NewGuid().ToString();
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishId);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/dishes/delete/{dishId}");
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(AndDietCokeDbContext.GetDishFromDatabaseById(dishId)!.IsDeleted);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertDishToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/dishes/delete/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var dishId = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(isDeleted: true).Id;
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/dishes/delete/{dishId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/dishes/delete/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(DishViewModel? actual, Dish expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.DishName, Is.EqualTo(expected.DishName));
+            Assert.That(actual.DishType, Is.EqualTo(expected.DishType.ToString()));
+            Assert.That(actual.Price, Is.EqualTo(expected.Price));
+            Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
+        });
+    }
+
+    private static void AssertElement(DishHistoryViewModel? actual, DishHistory expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.DishName, Is.EqualTo(expected.Dish!.DishName));
+            Assert.That(actual.OldPrice, Is.EqualTo(expected.OldPrice));
+            Assert.That(actual.ChangeDate.ToString(), Is.EqualTo(expected.ChangeDate.ToString()));
+        });
+    }
+
+    private static DishBindingModel CreateModel(string? id = null, string dishName = "name", DishType dishType = DishType.Base, double price = 1)
+        => new()
+        {
+            Id = id ?? Guid.NewGuid().ToString(),
+            DishName = dishName,
+            DishType = dishType.ToString(),
+            Price = price
+        };
+
+    private static void AssertElement(Dish? actual, DishBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.DishName, Is.EqualTo(expected.DishName));
+            Assert.That(actual.DishType.ToString(), Is.EqualTo(expected.DishType));
+            Assert.That(actual.Price, Is.EqualTo(expected.Price));
+            Assert.That(!actual.IsDeleted);
+        });
+    }
+}
+

AndDietCokeProject/AndDietCokeTests/WebApiControllersTests/PostControllerTests.cs

@@ -0,0 +1,461 @@
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.Enums;
+using AndDietCokeContracts.ViewModels;
+using AndDietCokeDatabase.Models;
+using AndDietCokeTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeTests.WebApiControllersTests;
+
+[TestFixture]
+internal class PostControllerTests : BaseWebApiControllerTest
+{
+    [TearDown]
+    public void TearDown()
+    {
+        AndDietCokeDbContext.RemovePostsFromDatabase();
+    }
+
+    [Test]
+    public async Task GetRecords_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 1");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 2");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 3");
+        //Act
+        var response = await HttpClient.GetAsync("/api/posts");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<PostViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == post.PostId), post);
+    }
+
+    [Test]
+    public async Task GetHistory_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = Guid.NewGuid().ToString();
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 1", isActual: true);
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posthistory/{postId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<PostViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+        AssertElement(data.First(x => x.Id == post.PostId), post);
+    }
+
+    [Test]
+    public async Task GetHistory_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = Guid.NewGuid().ToString();
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: "name 1", isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: true);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postId, "name 2", isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posthistory/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<PostViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetHistory_WhenWrongData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posthistory/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<PostViewModel>(response), post);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<PostViewModel>(response), post);
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/New%20Name");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByName_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/posts/{post.PostName}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        var postModel = CreateModel();
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(AndDietCokeDbContext.GetPostFromDatabaseByPostId(postModel.Id!), postModel);
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel(postName: "unique name");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: postModel.PostName!);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModelWithIdIncorrect = new PostBindingModel { Id = "Id", PostName = "name", PostType = PostType.Packer.ToString(), Salary = 10 };
+        var postModelWithNameIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Packer.ToString(), Salary = 10 };
+        var postModelWithPostTypeIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = string.Empty, Salary = 10 };
+        var postModelWithSalaryIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Packer.ToString(), Salary = -10 };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithNameIncorrect));
+        var responseWithPostTypeIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithPostTypeIncorrect));
+        var responseWithSalaryIncorrect = await HttpClient.PostAsync($"/api/posts", MakeContent(postModelWithSalaryIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPostTypeIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Type is incorrect");
+            Assert.That(responseWithSalaryIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Salary is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/posts", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postModel.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        AssertElement(AndDietCokeDbContext.GetPostFromDatabaseByPostId(postModel.Id!), postModel);
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel();
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postModel.Id, isActual: false);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenHaveRecordWithSameName_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModel = CreateModel(postName: "unique name");
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postModel.Id);
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn(postName: postModel.PostName!);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(postModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var postModelWithIdIncorrect = new PostBindingModel { Id = "Id", PostName = "name", PostType = PostType.Packer.ToString(), Salary = 10 };
+        var postModelWithNameIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Packer.ToString(), Salary = 10 };
+        var postModelWithPostTypeIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = string.Empty, Salary = 10 };
+        var postModelWithSalaryIncorrect = new PostBindingModel { Id = Guid.NewGuid().ToString(), PostName = string.Empty, PostType = PostType.Packer.ToString(), Salary = -10 };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithNameIncorrect));
+        var responseWithPostTypeIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithPostTypeIncorrect));
+        var responseWithSalaryIncorrect = await HttpClient.PutAsync($"/api/posts", MakeContent(postModelWithSalaryIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Name is incorrect");
+            Assert.That(responseWithPostTypeIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Type is incorrect");
+            Assert.That(responseWithSalaryIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Salary is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/posts", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = AndDietCokeDbContext.InsertPostToDatabaseAndReturn().PostId;
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/{postId}");
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(AndDietCokeDbContext.GetPostFromDatabaseByPostId(postId), Is.Null);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenRecordWasDeleted_Test()
+    {
+        //Arrange
+        var postId = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false).PostId;
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/{postId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/posts/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Patch_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(isActual: false).PostId;
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/{postId}", null);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(AndDietCokeDbContext.GetPostFromDatabaseByPostId(postId), Is.Not.Null);
+        });
+    }
+
+    [Test]
+    public async Task Patch_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/{Guid.NewGuid()}", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Patch_WhenRecordNotWasDeleted_ShouldSuccess_Test()
+    {
+        //Arrange
+        var postId = AndDietCokeDbContext.InsertPostToDatabaseAndReturn().PostId;
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/{postId}", null);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(AndDietCokeDbContext.GetPostFromDatabaseByPostId(postId), Is.Not.Null);
+        });
+    }
+
+    [Test]
+    public async Task Patch_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PatchAsync($"/api/posts/id", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(PostViewModel? actual, Post expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.PostId));
+            Assert.That(actual.PostName, Is.EqualTo(expected.PostName));
+            Assert.That(actual.PostType, Is.EqualTo(expected.PostType.ToString()));
+            Assert.That(actual.Salary, Is.EqualTo(expected.Salary));
+        });
+    }
+
+    private static PostBindingModel CreateModel(string? postId = null, string postName = "name", PostType postType = PostType.Packer, double salary = 10)
+        => new()
+        {
+            Id = postId ?? Guid.NewGuid().ToString(),
+            PostName = postName,
+            PostType = postType.ToString(),
+            Salary = salary
+        };
+
+    private static void AssertElement(Post? actual, PostBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.PostId, Is.EqualTo(expected.Id));
+            Assert.That(actual.PostName, Is.EqualTo(expected.PostName));
+            Assert.That(actual.PostType.ToString(), Is.EqualTo(expected.PostType));
+            Assert.That(actual.Salary, Is.EqualTo(expected.Salary));
+        });
+    }
+
+}

AndDietCokeProject/AndDietCokeTests/WebApiControllersTests/SalaryControllerTests.cs

@@ -0,0 +1,220 @@
+using AndDietCokeContracts.ViewModels;
+using AndDietCokeTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeTests.WebApiControllersTests;
+
+[TestFixture]
+internal class SalaryControllerTests : BaseWebApiControllerTest
+{
+    [TearDown]
+    public void TearDown()
+    {
+        AndDietCokeDbContext.RemovePostsFromDatabase();
+        AndDietCokeDbContext.RemoveSalesFromDatabase();
+        AndDietCokeDbContext.RemoveSalariesFromDatabase();
+        AndDietCokeDbContext.RemoveWorkersFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        var salary = AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, workerSalary: 100);
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker.Id);
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker.Id);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecords?fromDate={DateTime.UtcNow.AddDays(-10):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(10):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetList_OnlyForCertainPeriod_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(-1).AddMinutes(5));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(1).AddMinutes(-5));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public async Task GetList_WhenDatesAreIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecords?fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker1 = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn("fio","+7(555)555-55-55");
+        var worker2 = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn("new fio", "+7(333)333-33-33");
+
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id);
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id);
+
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker2.Id);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecordsbyworker?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&workerId={worker1.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.WorkerId == worker1.Id));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_OnlyForCertainPeriod_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker1 = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn("fio", "+7(555)555-55-55");
+        var worker2 = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn("new fio", "+7(333)333-33-33");
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(-1).AddMinutes(5));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker2.Id, salaryDate: DateTime.UtcNow.AddDays(-1).AddMinutes(5));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(1).AddMinutes(-5));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker2.Id, salaryDate: DateTime.UtcNow.AddDays(1).AddMinutes(-5));
+        AndDietCokeDbContext.InsertSalaryToDatabaseAndReturn(worker1.Id, salaryDate: DateTime.UtcNow.AddDays(-2));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecordsbyworker?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&workerId={worker1.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SalaryViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.WorkerId == worker1.Id));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_WhenDatesAreIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecordsbyworker?fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&workerId={worker.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByWorker_WhenIdIsNotGuid_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/salary/getrecordsbyworker?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&workerId=id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Calculate_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(salary: 1000);
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(postId: post.PostId);
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id);
+
+        var expectedSum = sale.Sum * 0.1 + post.Salary;
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salary/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        var salaries = AndDietCokeDbContext.GetSalariesFromDatabaseByWorkerId(worker.Id);
+        Assert.Multiple(() =>
+        {
+            Assert.That(salaries, Has.Length.EqualTo(1));
+            Assert.That(salaries.First().WorkerSalary, Is.EqualTo(expectedSum));
+            Assert.That(salaries.First().SalaryDate.Month, Is.EqualTo(DateTime.UtcNow.Month));
+        });
+    }
+
+    [Test]
+    public async Task Calculate_WhenAllWorkersWithoutSales_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salary/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        var salaries = AndDietCokeDbContext.Salaries.ToArray();
+        Assert.That(salaries, Has.Length.EqualTo(0));
+    }
+
+    [Test]
+    public async Task Calculate_WhenWorkerWithoutSales_ShouldSuccess_Test()
+    {
+        //Arrange
+        var post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn(salary: 1000);
+        var worker1 = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn("fio 1", post.PostId,"+7(555)555-55-55");
+        var worker2 = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn("fio 2", post.PostId, "+7(333)333-33-33");
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker1.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salary/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        var salary1 = AndDietCokeDbContext.GetSalariesFromDatabaseByWorkerId(worker1.Id).First().WorkerSalary;
+        var salary2 = AndDietCokeDbContext.GetSalariesFromDatabaseByWorkerId(worker2.Id).First().WorkerSalary;
+        Assert.That(salary1, Is.Not.EqualTo(salary2));
+    }
+
+    [Test]
+    public async Task Calculate_WhenWorkerWithoutPost_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(postId: Guid.NewGuid().ToString());
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/salary/calculate?date={DateTime.UtcNow:MM/dd/yyyy}", null);
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+}

AndDietCokeProject/AndDietCokeTests/WebApiControllersTests/SaleControllerTests.cs

@@ -0,0 +1,504 @@
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.ViewModels;
+using AndDietCokeDatabase.Models;
+using AndDietCokeTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeTests.WebApiControllersTests;
+
+[TestFixture]
+internal class SaleControllerTests : BaseWebApiControllerTest
+{
+    private string _buyerId;
+    private string _workerId;
+    private string _dishId;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _buyerId = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn().Id;
+        _workerId = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn().Id;
+        _dishId = AndDietCokeDbContext.InsertDishToDatabaseAndReturn().Id;
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        AndDietCokeDbContext.RemoveSalesFromDatabase();
+        AndDietCokeDbContext.RemoveWorkersFromDatabase();
+        AndDietCokeDbContext.RemoveBuyersFromDatabase();
+        AndDietCokeDbContext.RemoveDishesFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, buyerId: _buyerId, sum: 10, dishes: [(_dishId, 10, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, dishes: [(_dishId, 10, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, dishes: [(_dishId, 10, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Sum == sale.Sum), sale);
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByPeriod_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(-3), dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(3), dishes: [(_dishId, 1, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecords?fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByPeriod_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecords?fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByWorkerId_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "Other worker");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(worker.Id, null, dishes: [(_dishId, 1, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getworkerrecords?id={_workerId}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.WorkerId == _workerId));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByWorkerId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "Other worker");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getworkerrecords?id={worker.Id}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+
+    [Test]
+    public async Task GetList_ByWorkerId_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getworkerrecords?id={_workerId}&fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByWorkerId_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getworkerrecords?id=Id&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByBuyerId_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(fio: "Other fio", phoneNumber: "+8-888-888-88-88");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, buyer.Id, dishes: [(_dishId, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, null, dishes: [(_dishId, 1, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getbuyerrecords?id={_buyerId}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => x.BuyerId == _buyerId));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByBuyerId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var buyer = AndDietCokeDbContext.InsertBuyerToDatabaseAndReturn(fio: "Other buyer", phoneNumber: "+8-888-888-88-88");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getbuyerrecords?id={buyer.Id}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+
+    [Test]
+    public async Task GetList_ByBuyerId_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getbuyerrecords?id={_buyerId}&fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByBuyerId_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getbuyerrecords?id=Id&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByDishId_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "Other name");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 5, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1), (dish.Id, 4, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, null, dishes: [(dish.Id, 1, 1.1)]);
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, null, dishes: [(dish.Id, 1, 1.1), (_dishId, 1, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getdishrecords?id={_dishId}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.All(x => x.Dishes.Any(y => y.DishId == _dishId)));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByDishId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var dish = AndDietCokeDbContext.InsertDishToDatabaseAndReturn(dishName: "Other dish");
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getdishrecords?id={dish.Id}&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SaleViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+
+    [Test]
+    public async Task GetList_ByDishId_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getdishrecords?id={_dishId}&fromDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByDishId_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getdishrecords?id=Id&fromDate={DateTime.UtcNow.AddDays(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1):MM/dd/yyyy HH:mm:ss}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 5, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecord/{sale.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<SaleViewModel>(response), sale);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 5, 1.1)]);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecord/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenRecordHasCanceled_ShouldSuccess_Test()
+    {
+        //Arrange
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 1, 1.2)], isCancel: true);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecord/{sale.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/sales/getrecord/Id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, null, dishes: [(_dishId, 5, 1.1)]);
+        var saleModel = CreateModel(_workerId, _buyerId, _dishId);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(AndDietCokeDbContext.GetSalesByBuyerId(_buyerId)[0], saleModel);
+    }
+
+    [Test]
+    public async Task Post_WhenNoBuyer_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 5, 1.1)]);
+        var saleModel = CreateModel(_workerId, null, _dishId);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(AndDietCokeDbContext.GetSalesByBuyerId(null)[0], saleModel);
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var saleId = Guid.NewGuid().ToString();
+        var saleModelWithIdIncorrect = new SaleBindingModel { Id = "Id", WorkerId = _workerId, BuyerId = _buyerId, DiscountType = 1, Dishes = [new OrderDishBindingModel { SaleId = saleId, DishId = _dishId, Count = 10, Price = 1.1 }] };
+        var saleModelWithWorkerIdIncorrect = new SaleBindingModel { Id = saleId, WorkerId = "Id", BuyerId = _buyerId, DiscountType = 1, Dishes = [new OrderDishBindingModel { SaleId = saleId, DishId = _dishId, Count = 10, Price = 1.1 }] };
+        var saleModelWithBuyerIdIncorrect = new SaleBindingModel { Id = saleId, WorkerId = _workerId, BuyerId = "Id", DiscountType = 1, Dishes = [new OrderDishBindingModel { SaleId = saleId, DishId = _dishId, Count = 10, Price = 1.1 }] };
+        var saleModelWithDishesIncorrect = new SaleBindingModel { Id = saleId, WorkerId = _workerId, BuyerId = _buyerId, DiscountType = 1, Dishes = null };
+        var saleModelWithDishIdIncorrect = new SaleBindingModel { Id = saleId, WorkerId = _workerId, BuyerId = _buyerId, DiscountType = 1, Dishes = [new OrderDishBindingModel { SaleId = saleId, DishId = "Id", Count = 10, Price = 1.1 }] };
+        var saleModelWithCountIncorrect = new SaleBindingModel { Id = saleId, WorkerId = _workerId, BuyerId = _buyerId, DiscountType = 1, Dishes = [new OrderDishBindingModel { SaleId = saleId, DishId = _dishId, Count = -10, Price = 1.1 }] };
+        var saleModelWithPriceIncorrect = new SaleBindingModel { Id = saleId, WorkerId = _workerId, BuyerId = _buyerId, DiscountType = 1, Dishes = [new OrderDishBindingModel { SaleId = saleId, DishId = _dishId, Count = 10, Price = -1.1 }] };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModelWithIdIncorrect));
+        var responseWithWorkerIdIncorrect = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModelWithWorkerIdIncorrect));
+        var responseWithBuyerIdIncorrect = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModelWithBuyerIdIncorrect));
+        var responseWithDishesIncorrect = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModelWithDishesIncorrect));
+        var responseWithDishIdIncorrect = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModelWithDishIdIncorrect));
+        var responseWithCountIncorrect = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModelWithCountIncorrect));
+        var responseWithPriceIncorrect = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(saleModelWithPriceIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "WorkerId is incorrect");
+            Assert.That(responseWithWorkerIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "WorkerId is incorrect");
+            Assert.That(responseWithBuyerIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "BuyerId is incorrect");
+            Assert.That(responseWithDishesIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Dishes is incorrect");
+            Assert.That(responseWithDishIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "DishId is incorrect");
+            Assert.That(responseWithCountIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Count is incorrect");
+            Assert.That(responseWithPriceIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Price is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/sales/sale", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 5, 1.1)]);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/sales/cancel/{sale.Id}");
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(AndDietCokeDbContext.GetSaleFromDatabaseById(sale.Id)!.IsCancel);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 5, 1.1)]);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/sales/cancel/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenIsCanceled_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var sale = AndDietCokeDbContext.InsertSaleToDatabaseAndReturn(_workerId, _buyerId, dishes: [(_dishId, 5, 1.1)], isCancel: true);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/sales/cancel/{sale.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/sales/cancel/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(SaleViewModel? actual, Sale expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.WorkerFIO, Is.EqualTo(expected.Worker!.FIO));
+            Assert.That(actual.BuyerFIO, Is.EqualTo(expected.Buyer?.FIO));
+            Assert.That(actual.IsCancel, Is.EqualTo(expected.IsCancel));
+        });
+
+        if (expected.OrderDishes is not null)
+        {
+            Assert.That(actual.Dishes, Is.Not.Null);
+            Assert.That(actual.Dishes, Has.Count.EqualTo(expected.OrderDishes.Count));
+            for (int i = 0; i < actual.Dishes.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Dishes[i].DishName, Is.EqualTo(expected.OrderDishes[i].Dish!.DishName));
+                    Assert.That(actual.Dishes[i].Count, Is.EqualTo(expected.OrderDishes[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Dishes, Is.Null);
+        }
+    }
+
+    private static SaleBindingModel CreateModel(string workerId, string? buyerId, string dishId, string? id = null, int count = 1, double price = 1.1)
+    {
+        var saleId = id ?? Guid.NewGuid().ToString();
+        return new()
+        {
+            Id = saleId,
+            WorkerId = workerId,
+            BuyerId = buyerId,
+            Dishes = [new OrderDishBindingModel { SaleId = saleId, DishId = dishId, Count = count, Price = price }]
+        };
+    }
+
+    private static void AssertElement(Sale? actual, SaleBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.WorkerId, Is.EqualTo(expected.WorkerId));
+            Assert.That(actual.BuyerId, Is.EqualTo(expected.BuyerId));
+            Assert.That(!actual.IsCancel);
+        });
+
+        if (expected.Dishes is not null)
+        {
+            Assert.That(actual.OrderDishes, Is.Not.Null);
+            Assert.That(actual.OrderDishes, Has.Count.EqualTo(expected.Dishes.Count));
+            for (int i = 0; i < actual.OrderDishes.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.OrderDishes[i].DishId, Is.EqualTo(expected.Dishes[i].DishId));
+                    Assert.That(actual.OrderDishes[i].Count, Is.EqualTo(expected.Dishes[i].Count));
+                    Assert.That(actual.OrderDishes[i].Price, Is.EqualTo(expected.Dishes[i].Price));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.OrderDishes, Is.Null);
+        }
+    }
+}

AndDietCokeProject/AndDietCokeTests/WebApiControllersTests/WorkerControllerTests.cs

@@ -0,0 +1,513 @@
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.ViewModels;
+using AndDietCokeDatabase.Models;
+using AndDietCokeTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AndDietCokeTests.WebApiControllersTests;
+
+[TestFixture]
+internal class WorkerControllerTests : BaseWebApiControllerTest
+{
+    private Post _post;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _post = AndDietCokeDbContext.InsertPostToDatabaseAndReturn();
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        AndDietCokeDbContext.RemovePostsFromDatabase();
+        AndDietCokeDbContext.RemoveWorkersFromDatabase();
+    }
+
+    [Test]
+    public async Task GetList_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", postId: _post.PostId)
+            .AddPost(_post);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", postId: _post.PostId);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", postId: _post.PostId);
+        //Act
+        var response = await HttpClient.GetAsync("/api/workers/getrecords");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == worker.Id), worker);
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/workers/getrecords");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(0));
+        });
+    }
+
+    [Test]
+    public async Task GetList_OnlyActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", postId: _post.PostId, isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", postId: _post.PostId, isDeleted: false);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", postId: _post.PostId, isDeleted: false);
+        //Act
+        var response = await HttpClient.GetAsync("/api/workers/getrecords?includeDeleted=false");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+            Assert.That(data.All(x => !x.IsDeleted));
+        });
+    }
+
+    [Test]
+    public async Task GetList_IncludeNoActual_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", postId: _post.PostId, isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", postId: _post.PostId, isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", postId: _post.PostId, isDeleted: false);
+        //Act
+        var response = await HttpClient.GetAsync("/api/workers/getrecords?includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.Any(x => x.IsDeleted));
+            Assert.That(data.Any(x => !x.IsDeleted));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByPostId_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", postId: _post.PostId);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", postId: _post.PostId);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", postId: _post.PostId, isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4");
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getpostrecords?id={_post.PostId}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(3));
+            Assert.That(data.All(x => x.PostId == _post.PostId));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByPostId_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", postId: _post.PostId);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4");
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getpostrecords?id={Guid.NewGuid()}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.That(data, Has.Count.EqualTo(0));
+    }
+
+    [Test]
+    public async Task GetList_ByPostId_WhenIdIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getpostrecords?id=id&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByBirthDate_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", birthDate: DateTime.UtcNow.AddYears(-25));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", birthDate: DateTime.UtcNow.AddYears(-21));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", birthDate: DateTime.UtcNow.AddYears(-20), isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4", birthDate: DateTime.UtcNow.AddYears(-19));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getbirthdaterecords?fromDate={DateTime.UtcNow.AddYears(-21).AddMinutes(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddYears(-20).AddMinutes(1):MM/dd/yyyy HH:mm:ss}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByBirthDate_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getbirthdaterecords?fromDate={DateTime.UtcNow.AddMinutes(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddMinutes(-1):MM/dd/yyyy HH:mm:ss}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetList_ByEmploymentDate_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 1", employmentDate: DateTime.UtcNow.AddDays(-2));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 2", employmentDate: DateTime.UtcNow.AddDays(-1));
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 3", employmentDate: DateTime.UtcNow.AddDays(1), isDeleted: true);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(fio: "fio 4", employmentDate: DateTime.UtcNow.AddDays(2));
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getemploymentrecords?fromDate={DateTime.UtcNow.AddDays(-1).AddMinutes(-1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddDays(1).AddMinutes(1):MM/dd/yyyy HH:mm:ss}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<WorkerViewModel>>(response);
+        Assert.That(data, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Has.Count.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public async Task GetList_ByEmploymentDate_WhenDateIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getemploymentrecords?fromDate={DateTime.UtcNow.AddMinutes(1):MM/dd/yyyy HH:mm:ss}&toDate={DateTime.UtcNow.AddMinutes(-1):MM/dd/yyyy HH:mm:ss}&includeDeleted=true");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(postId: _post.PostId).AddPost(_post);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getrecord/{worker.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<WorkerViewModel>(response), worker);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getrecord/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(postId: _post.PostId, isDeleted: true);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getrecord/{worker.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByFIO_WhenHaveRecord_ShouldSuccess_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(postId: _post.PostId).AddPost(_post);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getrecord/{worker.FIO}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<WorkerViewModel>(response), worker);
+    }
+
+    [Test]
+    public async Task GetElement_ByFIO_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getrecord/New%20Fio");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task GetElement_ByFIO_WhenRecordWasDeleted_ShouldNotFound_Test()
+    {
+        //Arrange
+        var worker = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(postId: _post.PostId, isDeleted: true);
+        //Act
+        var response = await HttpClient.GetAsync($"/api/workers/getrecord/{worker.FIO}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        var workerModel = CreateModel(_post.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register", MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(AndDietCokeDbContext.GetWorkerFromDatabaseById(workerModel.Id!), workerModel);
+    }
+
+    [Test]
+    public async Task Post_WhenHaveRecordWithSameId_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(workerModel.Id);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register", MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModelWithIdIncorrect = new WorkerBindingModel { Id = "Id", FIO = "fio", BirthDate = DateTime.UtcNow.AddYears(-22), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = _post.Id };
+        var workerModelWithFioIncorrect = new WorkerBindingModel { Id = Guid.NewGuid().ToString(), FIO = string.Empty, BirthDate = DateTime.UtcNow.AddYears(-22), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = _post.Id };
+        var workerModelWithPostIdIncorrect = new WorkerBindingModel { Id = Guid.NewGuid().ToString(), FIO = "fio", BirthDate = DateTime.UtcNow.AddYears(-22), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = "Id" };
+        var workerModelWithBirthDateIncorrect = new WorkerBindingModel { Id = Guid.NewGuid().ToString(), FIO = "fio", BirthDate = DateTime.UtcNow.AddYears(-15), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = _post.Id };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/workers/register", MakeContent(workerModelWithIdIncorrect));
+        var responseWithFioIncorrect = await HttpClient.PostAsync($"/api/workers/register", MakeContent(workerModelWithFioIncorrect));
+        var responseWithPostIdIncorrect = await HttpClient.PostAsync($"/api/workers/register", MakeContent(workerModelWithPostIdIncorrect));
+        var responseWithBirthDateIncorrect = await HttpClient.PostAsync($"/api/workers/register", MakeContent(workerModelWithBirthDateIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithFioIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Fio is incorrect");
+            Assert.That(responseWithPostIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "PostId is incorrect");
+            Assert.That(responseWithBirthDateIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "BirthDate is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/workers/register", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id);
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(workerModel.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        AssertElement(AndDietCokeDbContext.GetWorkerFromDatabaseById(workerModel.Id!), workerModel);
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id, fio: "new fio");
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModel = CreateModel(_post.Id, fio: "new fio");
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(workerModel.Id, isDeleted: true);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(workerModel));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerModelWithIdIncorrect = new WorkerBindingModel { Id = "Id", FIO = "fio", BirthDate = DateTime.UtcNow.AddYears(-22), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = _post.Id };
+        var workerModelWithFioIncorrect = new WorkerBindingModel { Id = Guid.NewGuid().ToString(), FIO = string.Empty, BirthDate = DateTime.UtcNow.AddYears(-22), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = _post.Id };
+        var workerModelWithPostIdIncorrect = new WorkerBindingModel { Id = Guid.NewGuid().ToString(), FIO = "fio", BirthDate = DateTime.UtcNow.AddYears(-22), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = "Id" };
+        var workerModelWithBirthDateIncorrect = new WorkerBindingModel { Id = Guid.NewGuid().ToString(), FIO = "fio", BirthDate = DateTime.UtcNow.AddYears(-15), EmploymentDate = DateTime.UtcNow.AddDays(-5), PostId = _post.Id };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(workerModelWithIdIncorrect));
+        var responseWithFioIncorrect = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(workerModelWithFioIncorrect));
+        var responseWithPostIdIncorrect = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(workerModelWithPostIdIncorrect));
+        var responseWithBirthDateIncorrect = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(workerModelWithBirthDateIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithFioIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Fio is incorrect");
+            Assert.That(responseWithPostIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "PostId is incorrect");
+            Assert.That(responseWithBirthDateIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "BirthDate is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(string.Empty));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/workers/changeinfo", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var workerId = Guid.NewGuid().ToString();
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(workerId);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/workers/delete/{workerId}");
+        AndDietCokeDbContext.ChangeTracker.Clear();
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(AndDietCokeDbContext.GetWorkerFromDatabaseById(workerId)!.IsDeleted);
+        });
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/workers/delete/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/workers/delete/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenRecordWasDeleted_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var workerId = AndDietCokeDbContext.InsertWorkerToDatabaseAndReturn(isDeleted: true).Id;
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/workers/delete/{workerId}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static void AssertElement(WorkerViewModel? actual, Worker expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.PostId, Is.EqualTo(expected.PostId));
+            Assert.That(actual.PostName, Is.EqualTo(expected.Post!.PostName));
+            Assert.That(actual.FIO, Is.EqualTo(expected.FIO));
+            Assert.That(actual.BirthDate.ToString(), Is.EqualTo(expected.BirthDate.ToString()));
+            Assert.That(actual.EmploymentDate.ToString(), Is.EqualTo(expected.EmploymentDate.ToString()));
+            Assert.That(actual.IsDeleted, Is.EqualTo(expected.IsDeleted));
+        });
+    }
+
+    private static WorkerBindingModel CreateModel(string postId, string? id = null, string fio = "fio", DateTime? birthDate = null, DateTime? employmentDate = null)
+    {
+        return new()
+        {
+            Id = id ?? Guid.NewGuid().ToString(),
+            FIO = fio,
+            BirthDate = birthDate ?? DateTime.UtcNow.AddYears(-22),
+            EmploymentDate = employmentDate ?? DateTime.UtcNow.AddDays(-5),
+            PostId = postId
+        };
+    }
+
+    private static void AssertElement(Worker? actual, WorkerBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.PostId, Is.EqualTo(expected.PostId));
+            Assert.That(actual.FIO, Is.EqualTo(expected.FIO));
+            Assert.That(actual.BirthDate.ToString(), Is.EqualTo(expected.BirthDate.ToString()));
+            Assert.That(actual.EmploymentDate.ToString(), Is.EqualTo(expected.EmploymentDate.ToString()));
+            Assert.That(!actual.IsDeleted);
+        });
+    }
+}

AndDietCokeProject/AndDietCokeTests/appsettings.json

@@ -0,0 +1,24 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": {
+      "Default": "Information"
+    },
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "../logs/anddietcoke-.log",
+          "rollingInterval": "Day",
+          "outputTemplate": "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} {CorrelationId} {Level:u3} {Username} {Message:lj}{Exception}{NewLine}"
+        }
+      }
+    ]
+  }
+}

AndDietCokeProject/AndDietCokeWebApi/Adapters/BuyerAdapter.cs

@@ -0,0 +1,189 @@
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.BisnessLogicsContracts;
+using AndDietCokeContracts.DataModels;
+using AndDietCokeContracts.Exceptions;
+using AndDietCokeContracts.ViewModels;
+using AutoMapper;
+
+namespace AndDietCokeWebApi.Adapters;
+
+public class BuyerAdapter : IBuyerAdapter
+{
+    private readonly IBuyerBusinessLogicContract _buyerBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public BuyerAdapter(IBuyerBusinessLogicContract buyerBusinessLogicContract, ILogger<BuyerAdapter> logger)
+    {
+        _buyerBusinessLogicContract = buyerBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<BuyerBindingModel, BuyerDataModel>();
+            cfg.CreateMap<BuyerDataModel, BuyerViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public BuyerOperationResponse GetList()
+    {
+        try
+        {
+            return BuyerOperationResponse.OK([.. _buyerBusinessLogicContract.GetAllBuyers().Select(x => _mapper.Map<BuyerViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return BuyerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return BuyerOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return BuyerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public BuyerOperationResponse GetElement(string data)
+    {
+        try
+        {
+            return BuyerOperationResponse.OK(_mapper.Map<BuyerViewModel>(_buyerBusinessLogicContract.GetBuyerByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return BuyerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return BuyerOperationResponse.NotFound($"Not found element by data {data}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return BuyerOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return BuyerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public BuyerOperationResponse RegisterBuyer(BuyerBindingModel buyerModel)
+    {
+        try
+        {
+            _buyerBusinessLogicContract.InsertBuyer(_mapper.Map<BuyerDataModel>(buyerModel));
+            return BuyerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return BuyerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return BuyerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return BuyerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return BuyerOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return BuyerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public BuyerOperationResponse ChangeBuyerInfo(BuyerBindingModel buyerModel)
+    {
+        try
+        {
+            _buyerBusinessLogicContract.UpdateBuyer(_mapper.Map<BuyerDataModel>(buyerModel));
+            return BuyerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return BuyerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return BuyerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return BuyerOperationResponse.BadRequest($"Not found element by Id {buyerModel.Id}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return BuyerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return BuyerOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return BuyerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public BuyerOperationResponse RemoveBuyer(string id)
+    {
+        try
+        {
+            _buyerBusinessLogicContract.DeleteBuyer(id);
+            return BuyerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return BuyerOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return BuyerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return BuyerOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return BuyerOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return BuyerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Adapters/DishAdapter.cs

@@ -0,0 +1,233 @@
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.BisnessLogicsContracts;
+using AndDietCokeContracts.DataModels;
+using AndDietCokeContracts.Exceptions;
+using AndDietCokeContracts.ViewModels;
+using AutoMapper;
+
+namespace AndDietCokeWebApi.Adapters;
+
+public class DishAdapter : IDishAdapter
+{
+    private readonly IDishBusinessLogicContract _dishBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public DishAdapter(IDishBusinessLogicContract dishBusinessLogicContract, ILogger<DishAdapter> logger)
+    {
+        _dishBusinessLogicContract = dishBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<DishBindingModel, DishDataModel>();
+            cfg.CreateMap<DishDataModel, DishViewModel>();
+            cfg.CreateMap<DishHistoryDataModel, DishHistoryViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public DishOperationResponse GetList(bool includeDeleted)
+    {
+        try
+        {
+            return DishOperationResponse.OK([.. _dishBusinessLogicContract.GetAllDishes(!includeDeleted).Select(x => _mapper.Map<DishViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return DishOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return DishOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return DishOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public DishOperationResponse GetHistory(string id)
+    {
+        try
+        {
+            return DishOperationResponse.OK([.. _dishBusinessLogicContract.GetDishHistoryByDish(id).Select(x => _mapper.Map<DishHistoryViewModel>(x))]);
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return DishOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return DishOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return DishOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return DishOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public DishOperationResponse GetElement(string data)
+    {
+        try
+        {
+            return DishOperationResponse.OK(_mapper.Map<DishViewModel>(_dishBusinessLogicContract.GetDishByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return DishOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return DishOperationResponse.NotFound($"Not found element by data {data}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return DishOperationResponse.BadRequest($"Element by data: {data} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return DishOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return DishOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public DishOperationResponse RegisterDish(DishBindingModel dishModel)
+    {
+        try
+        {
+            _dishBusinessLogicContract.InsertDish(_mapper.Map<DishDataModel>(dishModel));
+            return DishOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return DishOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return DishOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return DishOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return DishOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return DishOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public DishOperationResponse ChangeDishInfo(DishBindingModel dishModel)
+    {
+        try
+        {
+            _dishBusinessLogicContract.UpdateDish(_mapper.Map<DishDataModel>(dishModel));
+            return DishOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return DishOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return DishOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return DishOperationResponse.BadRequest($"Not found element by Id {dishModel.Id}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return DishOperationResponse.BadRequest(ex.Message);
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return DishOperationResponse.BadRequest($"Element by id: {dishModel.Id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return DishOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return DishOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public DishOperationResponse RemoveDish(string id)
+    {
+        try
+        {
+            _dishBusinessLogicContract.DeleteDish(id);
+            return DishOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return DishOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return DishOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return DishOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return DishOperationResponse.BadRequest($"Element by id: {id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return DishOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return DishOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Adapters/PostAdapter.cs

@@ -0,0 +1,266 @@
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.BisnessLogicsContracts;
+using AndDietCokeContracts.DataModels;
+using AndDietCokeContracts.Exceptions;
+using AndDietCokeContracts.ViewModels;
+using AutoMapper;
+
+namespace AndDietCokeWebApi.Adapters;
+
+public class PostAdapter : IPostAdapter
+{
+    private readonly IPostBusinessLogicContract _postBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public PostAdapter(IPostBusinessLogicContract postBusinessLogicContract, ILogger<PostAdapter> logger)
+    {
+        _postBusinessLogicContract = postBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<PostBindingModel, PostDataModel>();
+            cfg.CreateMap<PostDataModel, PostViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public PostOperationResponse GetList()
+    {
+        try
+        {
+            return PostOperationResponse.OK([.. _postBusinessLogicContract.GetAllPosts(true).Select(x => _mapper.Map<PostViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return PostOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse GetHistory(string id)
+    {
+        try
+        {
+            return PostOperationResponse.OK([.. _postBusinessLogicContract.GetAllDataOfPost(id).Select(x => _mapper.Map<PostViewModel>(x))]);
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse GetElement(string data)
+    {
+        try
+        {
+            return PostOperationResponse.OK(_mapper.Map<PostViewModel>(_postBusinessLogicContract.GetPostByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.NotFound($"Not found element by data {data}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return PostOperationResponse.BadRequest($"Element by data: {data} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse RegisterPost(PostBindingModel postModel)
+    {
+        try
+        {
+            _postBusinessLogicContract.InsertPost(_mapper.Map<PostDataModel>(postModel));
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return PostOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse ChangePostInfo(PostBindingModel postModel)
+    {
+        try
+        {
+            _postBusinessLogicContract.UpdatePost(_mapper.Map<PostDataModel>(postModel));
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.BadRequest($"Not found element by Id {postModel.Id}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return PostOperationResponse.BadRequest(ex.Message);
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return PostOperationResponse.BadRequest($"Element by id: {postModel.Id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse RemovePost(string id)
+    {
+        try
+        {
+            _postBusinessLogicContract.DeletePost(id);
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return PostOperationResponse.BadRequest($"Element by id: {id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public PostOperationResponse RestorePost(string id)
+    {
+        try
+        {
+            _postBusinessLogicContract.RestorePost(id);
+            return PostOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return PostOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return PostOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return PostOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return PostOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return PostOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Adapters/SalaryAdapter.cs

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

AndDietCokeProject/AndDietCokeWebApi/Adapters/SaleAdapter.cs

@@ -0,0 +1,262 @@
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.BisnessLogicsContracts;
+using AndDietCokeContracts.DataModels;
+using AndDietCokeContracts.Exceptions;
+using AndDietCokeContracts.ViewModels;
+using AutoMapper;
+
+namespace AndDietCokeWebApi.Adapters;
+
+public class SaleAdapter : ISaleAdapter
+{
+    private readonly ISaleBusinessLogicContract _saleBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public SaleAdapter(ISaleBusinessLogicContract saleBusinessLogicContract, ILogger<SaleAdapter> logger)
+    {
+        _saleBusinessLogicContract = saleBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<SaleBindingModel, SaleDataModel>();
+            cfg.CreateMap<SaleDataModel, SaleViewModel>();
+            cfg.CreateMap<OrderDishBindingModel, OrderDishDataModel>();
+            cfg.CreateMap<OrderDishDataModel, OrderDishViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public SaleOperationResponse GetList(DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return SaleOperationResponse.OK([.. _saleBusinessLogicContract.GetAllSalesByPeriod(fromDate, toDate).Select(x => _mapper.Map<SaleViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return SaleOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SaleOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SaleOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SaleOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SaleOperationResponse GetWorkerList(string id, DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return SaleOperationResponse.OK([.. _saleBusinessLogicContract.GetAllSalesByWorkerByPeriod(id, fromDate, toDate).Select(x => _mapper.Map<SaleViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return SaleOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SaleOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SaleOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SaleOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SaleOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SaleOperationResponse GetBuyerList(string id, DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return SaleOperationResponse.OK([.. _saleBusinessLogicContract.GetAllSalesByBuyerByPeriod(id, fromDate, toDate).Select(x => _mapper.Map<SaleViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return SaleOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SaleOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SaleOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SaleOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SaleOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SaleOperationResponse GetDishList(string id, DateTime fromDate, DateTime toDate)
+    {
+        try
+        {
+            return SaleOperationResponse.OK([.. _saleBusinessLogicContract.GetAllSalesByDishByPeriod(id, fromDate, toDate).Select(x => _mapper.Map<SaleViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return SaleOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SaleOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return SaleOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SaleOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SaleOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SaleOperationResponse GetElement(string id)
+    {
+        try
+        {
+            return SaleOperationResponse.OK(_mapper.Map<SaleViewModel>(_saleBusinessLogicContract.GetSaleByData(id)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SaleOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SaleOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return SaleOperationResponse.NotFound($"Not found element by data {id}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SaleOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SaleOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SaleOperationResponse MakeSale(SaleBindingModel saleModel)
+    {
+        try
+        {
+            var data = _mapper.Map<SaleDataModel>(saleModel);
+            _saleBusinessLogicContract.InsertSale(_mapper.Map<SaleDataModel>(saleModel));
+            return SaleOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SaleOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SaleOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SaleOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SaleOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SaleOperationResponse CancelSale(string id)
+    {
+        try
+        {
+            _saleBusinessLogicContract.CancelSale(id);
+            return SaleOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return SaleOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return SaleOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return SaleOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (ElementDeletedException ex)
+        {
+            _logger.LogError(ex, "ElementDeletedException");
+            return SaleOperationResponse.BadRequest($"Element by id: {id} was deleted");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return SaleOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return SaleOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Adapters/WorkerAdapter.cs

@@ -0,0 +1,278 @@
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.BindingModels;
+using AndDietCokeContracts.BisnessLogicsContracts;
+using AndDietCokeContracts.DataModels;
+using AndDietCokeContracts.Exceptions;
+using AndDietCokeContracts.ViewModels;
+using AutoMapper;
+
+namespace AndDietCokeWebApi.Adapters;
+
+public class WorkerAdapter : IWorkerAdapter
+{
+    private readonly IWorkerBusinessLogicContract _buyerBusinessLogicContract;
+
+    private readonly ILogger _logger;
+
+    private readonly Mapper _mapper;
+
+    public WorkerAdapter(IWorkerBusinessLogicContract workerBusinessLogicContract, ILogger<WorkerAdapter> logger)
+    {
+        _buyerBusinessLogicContract = workerBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<WorkerBindingModel, WorkerDataModel>();
+            cfg.CreateMap<WorkerDataModel, WorkerViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public WorkerOperationResponse GetList(bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([.. _buyerBusinessLogicContract.GetAllWorkers(!includeDeleted).Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public WorkerOperationResponse GetPostList(string id, bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([.. _buyerBusinessLogicContract.GetAllWorkersByPost(id, !includeDeleted).Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public WorkerOperationResponse GetListByBirthDate(DateTime fromDate, DateTime toDate, bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([.. _buyerBusinessLogicContract.GetAllWorkersByBirthDate(fromDate, toDate, !includeDeleted).Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return WorkerOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public WorkerOperationResponse GetListByEmploymentDate(DateTime fromDate, DateTime toDate, bool includeDeleted)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK([.. _buyerBusinessLogicContract.GetAllWorkersByEmploymentDate(fromDate, toDate, !includeDeleted).Select(x => _mapper.Map<WorkerViewModel>(x))]);
+        }
+        catch (IncorrectDatesException ex)
+        {
+            _logger.LogError(ex, "IncorrectDatesException");
+            return WorkerOperationResponse.BadRequest($"Incorrect dates: {ex.Message}");
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException");
+            return WorkerOperationResponse.NotFound("The list is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public WorkerOperationResponse GetElement(string data)
+    {
+        try
+        {
+            return WorkerOperationResponse.OK(_mapper.Map<WorkerViewModel>(_buyerBusinessLogicContract.GetWorkerByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return WorkerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return WorkerOperationResponse.NotFound($"Not found element by data {data}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public WorkerOperationResponse RegisterWorker(WorkerBindingModel workerModel)
+    {
+        try
+        {
+            _buyerBusinessLogicContract.InsertWorker(_mapper.Map<WorkerDataModel>(workerModel));
+            return WorkerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return WorkerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return WorkerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public WorkerOperationResponse ChangeWorkerInfo(WorkerBindingModel workerModel)
+    {
+        try
+        {
+            _buyerBusinessLogicContract.UpdateWorker(_mapper.Map<WorkerDataModel>(workerModel));
+            return WorkerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return WorkerOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return WorkerOperationResponse.BadRequest($"Not found element by Id {workerModel.Id}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException");
+            return WorkerOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public WorkerOperationResponse RemoveWorker(string id)
+    {
+        try
+        {
+            _buyerBusinessLogicContract.DeleteWorker(id);
+            return WorkerOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException");
+            return WorkerOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException");
+            return WorkerOperationResponse.BadRequest($"Incorrect data transmitted: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException");
+            return WorkerOperationResponse.BadRequest($"Not found element by id: {id}");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException");
+            return WorkerOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException!.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception");
+            return WorkerOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/AndDietCokeWebApi.csproj

@@ -0,0 +1,33 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <LangVersion>preview</LangVersion>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="9.0.4" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.4" />
+    <PackageReference Include="NSwag.AspNetCore" Version="14.3.0" />
+    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="8.1.1" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.8.0" />
+    <PackageReference Include="System.Security.Claims" Version="4.3.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AndDietCokeBuisnessLogic\AndDietCokeBuisnessLogic.csproj" />
+    <ProjectReference Include="..\AndDietCokeDatabase\AndDietCokeDatabase.csproj" />
+    <ProjectReference Include="..\AndDietCokeProject\AndDietCokeContracts.csproj" />
+  </ItemGroup>
+
+	<ItemGroup>
+		<InternalsVisibleTo Include="AndDietCokeTests" />
+		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+	</ItemGroup>
+
+</Project>

AndDietCokeProject/AndDietCokeWebApi/AuthOptions.cs

@@ -0,0 +1,12 @@
+using Microsoft.IdentityModel.Tokens;
+using System.Text;
+
+namespace AndDietCokeWebApi;
+
+public class AuthOptions
+{
+    public const string ISSUER = "AndDietCoke_AuthServer"; // издатель токена
+    public const string AUDIENCE = "AndDietCoke_AuthClient"; // потребитель токена
+    const string KEY = "cokesecret_secretsecretsecretkey!123";   // ключ для шифрации
+    public static SymmetricSecurityKey GetSymmetricSecurityKey() => new(Encoding.UTF8.GetBytes(KEY));
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/BuyersController.cs

@@ -0,0 +1,45 @@
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.BindingModels;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AndDietCokeWebApi.Controllers;
+
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class BuyersController(IBuyerAdapter adapter) : ControllerBase
+{
+    private readonly IBuyerAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetAllRecords()
+    {
+        return _adapter.GetList().GetResponse(Request, Response);
+    }
+
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Register([FromBody] BuyerBindingModel model)
+    {
+        return _adapter.RegisterBuyer(model).GetResponse(Request, Response);
+    }
+
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] BuyerBindingModel model)
+    {
+        return _adapter.ChangeBuyerInfo(model).GetResponse(Request, Response);
+    }
+
+    [HttpDelete("{id}")]
+    public IActionResult Delete(string id)
+    {
+        return _adapter.RemoveBuyer(id).GetResponse(Request, Response);
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/DishesController.cs

@@ -0,0 +1,52 @@
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.BindingModels;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AndDietCokeWebApi.Controllers;
+
+
+[Authorize]
+[Route("api/[controller]/[action]")]
+[ApiController]
+[Produces("application/json")]
+public class DishesController(IDishAdapter adapter) : ControllerBase
+{
+    private readonly IDishAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetRecords(bool includeDeleted)
+    {
+        return _adapter.GetList(includeDeleted).GetResponse(Request, Response);
+    }
+
+    [HttpGet]
+    public IActionResult GetHistory(string id)
+    {
+        return _adapter.GetHistory(id).GetResponse(Request, Response);
+    }
+
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Register([FromBody] DishBindingModel model)
+    {
+        return _adapter.RegisterDish(model).GetResponse(Request, Response);
+    }
+
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] DishBindingModel model)
+    {
+        return _adapter.ChangeDishInfo(model).GetResponse(Request, Response);
+    }
+
+    [HttpDelete("{id}")]
+    public IActionResult Delete(string id)
+    {
+        return _adapter.RemoveDish(id).GetResponse(Request, Response);
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/PostHistoryController.cs

@@ -0,0 +1,20 @@
+using AndDietCokeContracts.AdapterContracts;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AndDietCokeWebApi.Controllers;
+
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class PostHistoryController(IPostAdapter adapter) : ControllerBase
+{
+    private readonly IPostAdapter _adapter = adapter;
+
+    [HttpGet("{id}")]
+    public IActionResult GetHistory(string id)
+    {
+        return _adapter.GetHistory(id).GetResponse(Request, Response);
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/PostsController.cs

@@ -0,0 +1,51 @@
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.BindingModels;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AndDietCokeWebApi.Controllers;
+
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class PostsController(IPostAdapter adapter) : ControllerBase
+{
+    private readonly IPostAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetRecords()
+    {
+        return _adapter.GetList().GetResponse(Request, Response);
+    }
+
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Register([FromBody] PostBindingModel model)
+    {
+        return _adapter.RegisterPost(model).GetResponse(Request, Response);
+    }
+
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] PostBindingModel model)
+    {
+        return _adapter.ChangePostInfo(model).GetResponse(Request, Response);
+    }
+
+    [HttpDelete("{id}")]
+    public IActionResult Delete(string id)
+    {
+        return _adapter.RemovePost(id).GetResponse(Request, Response);
+    }
+
+    [HttpPatch("{id}")]
+    public IActionResult Restore(string id)
+    {
+        return _adapter.RestorePost(id).GetResponse(Request, Response);
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/SalaryController.cs

@@ -0,0 +1,33 @@
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.AdapterContracts.OperationResponses;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AndDietCokeWebApi.Controllers;
+
+[Authorize]
+[Route("api/[controller]/[action]")]
+[ApiController]
+[Produces("application/json")]
+public class SalaryController(ISalaryAdapter adapter) : ControllerBase
+{
+    private readonly ISalaryAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetRecords(DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetListByPeriod(fromDate, toDate).GetResponse(Request, Response);
+    }
+
+    [HttpGet]
+    public IActionResult GetEmployeeRecords(string id, DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetListByPeriodByEmployee(fromDate, toDate, id).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Calculate(DateTime date)
+    {
+        return _adapter.CalculateSalary(date).GetResponse(Request, Response);
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/SalesController.cs

@@ -0,0 +1,57 @@
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeContracts.BindingModels;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace AndDietCokeWebApi.Controllers;
+
+[Authorize]
+[Route("api/[controller]/[action]")]
+[ApiController]
+[Produces("application/json")]
+public class SalesController(ISaleAdapter adapter) : ControllerBase
+{
+    private readonly ISaleAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetRecords(DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetList(fromDate, toDate).GetResponse(Request, Response);
+    }
+
+    [HttpGet]
+    public IActionResult GetWorkerRecords(string id, DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetWorkerList(id, fromDate, toDate).GetResponse(Request, Response);
+    }
+
+    [HttpGet]
+    public IActionResult GetBuyerRecords(string id, DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetBuyerList(id, fromDate, toDate).GetResponse(Request, Response);
+    }
+
+    [HttpGet]
+    public IActionResult GetDishRecords(string id, DateTime fromDate, DateTime toDate)
+    {
+        return _adapter.GetDishList(id, fromDate, toDate).GetResponse(Request, Response);
+    }
+
+    [HttpGet("{data}")]
+    public IActionResult GetRecord(string data)
+    {
+        return _adapter.GetElement(data).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Sale([FromBody] SaleBindingModel model)
+    {
+        return _adapter.MakeSale(model).GetResponse(Request, Response);
+    }
+
+    [HttpDelete("{id}")]
+    public IActionResult Cancel(string id)
+    {
+        return _adapter.CancelSale(id).GetResponse(Request, Response);
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/WeatherForecastController.cs

@@ -0,0 +1,36 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using NUnit.Framework;
+
+namespace AndDietCokeWebApi.Controllers
+{
+    [Authorize]
+    [ApiController]
+    [Route("[controller]")]
+    public class WeatherForecastController : ControllerBase
+    {
+        private static readonly string[] Summaries = new[]
+        {
+        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+    };
+
+        private readonly ILogger<WeatherForecastController> _logger;
+
+        public WeatherForecastController(ILogger<WeatherForecastController> logger)
+        {
+            _logger = logger;
+        }
+
+        [HttpGet(Name = "GetWeatherForecast")]
+        public IEnumerable<WeatherForecast> Get()
+        {
+            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
+            {
+                Date = DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
+                TemperatureC = Random.Shared.Next(-20, 55),
+                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
+            })
+            .ToArray();
+        }
+    }
+}

AndDietCokeProject/AndDietCokeWebApi/Controllers/WorkersController.cs

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

AndDietCokeProject/AndDietCokeWebApi/Infrastructure/ConfigurationDatabase.cs

@@ -0,0 +1,13 @@
+using AndDietCokeContracts.Infrastrusture;
+
+namespace AndDietCokeWebApi.Infrastructure;
+
+public class ConfigurationDatabase(IConfiguration configuration) : IConfigurationDatabase
+{
+    private readonly Lazy<DataBaseSettings> _dataBaseSettings = new(() =>
+    {
+        return configuration.GetValue<DataBaseSettings>("DataBaseSettings") ?? throw new InvalidDataException(nameof(DataBaseSettings));
+    });
+
+    public string ConnectionString => _dataBaseSettings.Value.ConnectionString;
+}

AndDietCokeProject/AndDietCokeWebApi/Infrastructure/DataBaseSettings.cs

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

AndDietCokeProject/AndDietCokeWebApi/Program.cs

@@ -0,0 +1,114 @@
+using AndDietCokeWebApi;
+using AndDietCokeDatabase;
+using AndDietCokeBuisnessLogic.Implementations;
+using AndDietCokeContracts.BisnessLogicsContracts;
+using AndDietCokeContracts.Infrastrusture;
+using AndDietCokeContracts.StoragesContracts;
+using AndDietCokeDatabase.Implementations;
+using AndDietCokeWebApi.Infrastructure;
+using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.IdentityModel.Tokens;
+using Serilog;
+using System.IdentityModel.Tokens.Jwt;
+using System.Security.Claims;
+using AndDietCokeContracts.AdapterContracts;
+using AndDietCokeWebApi.Adapters;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+
+builder.Services.AddControllers();
+
+using var loggerFactory = new LoggerFactory();
+loggerFactory.AddSerilog(new LoggerConfiguration().ReadFrom.Configuration(builder.Configuration).CreateLogger());
+builder.Services.AddSingleton(loggerFactory.CreateLogger("Any"));
+
+builder.Services.AddAuthorization();
+builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
+    .AddJwtBearer(options =>
+    {
+        options.TokenValidationParameters = new TokenValidationParameters
+        {
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidateIssuer = true,
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidIssuer = AuthOptions.ISSUER,
+            // <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidateAudience = true,
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidAudience = AuthOptions.AUDIENCE,
+            // <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidateLifetime = true,
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            IssuerSigningKey = AuthOptions.GetSymmetricSecurityKey(),
+            // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            ValidateIssuerSigningKey = true,
+        };
+    });
+
+builder.Services.AddSingleton<IConfigurationDatabase, ConfigurationDatabase>();
+
+builder.Services.AddTransient<IBuyerBusinessLogicContract, BuyerBusinessLogicContract>();
+builder.Services.AddTransient<IPostBusinessLogicContract, PostBusinessLogicContract>();
+builder.Services.AddTransient<IDishBusinessLogicContract, DishBusinessLogicContract>();
+builder.Services.AddTransient<ISalaryBusinessLogicContract, SalaryBusinessLogicContract>();
+builder.Services.AddTransient<ISaleBusinessLogicContract, SaleBusinessLogicContract>();
+builder.Services.AddTransient<IWorkerBusinessLogicContract, WorkerBusinessLogicContract>();
+
+builder.Services.AddTransient<AndDietCokeDbContext>();
+builder.Services.AddTransient<IBuyerStorageContract, BuyerStorageContract>();
+builder.Services.AddTransient<IPostStorageContract, PostStorageContract>();
+builder.Services.AddTransient<IDishStorageContract, DishStorageContract>();
+builder.Services.AddTransient<ISalaryStorageContract, SalaryStorageContract>();
+builder.Services.AddTransient<ISaleStorageContract, SaleStorageContract>();
+builder.Services.AddTransient<IWorkerStorageContract, WorkerStorageContract>();
+
+builder.Services.AddTransient<IBuyerAdapter, BuyerAdapter>();
+builder.Services.AddTransient<IPostAdapter, PostAdapter>();
+builder.Services.AddTransient<IDishAdapter, DishAdapter>();
+builder.Services.AddTransient<ISalaryAdapter, SalaryAdapter>();
+builder.Services.AddTransient<ISaleAdapter, SaleAdapter>();
+builder.Services.AddTransient<IWorkerAdapter, WorkerAdapter>();
+
+
+
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddOpenApi();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+if (app.Environment.IsProduction())
+{
+    var dbContext = app.Services.GetRequiredService<AndDietCokeDbContext>();
+    if (dbContext.Database.CanConnect())
+    {
+        dbContext.Database.EnsureCreated();
+        dbContext.Database.Migrate();
+    }
+}
+
+app.UseHttpsRedirection();
+
+app.UseAuthentication();
+app.UseAuthorization();
+
+app.Map("/login/{username}", (string username) =>
+{
+    return new JwtSecurityTokenHandler().WriteToken(new JwtSecurityToken(
+            issuer: AuthOptions.ISSUER,
+            audience: AuthOptions.AUDIENCE,
+            claims: [new(ClaimTypes.Name, username)],
+            expires: DateTime.UtcNow.Add(TimeSpan.FromMinutes(2)),
+            signingCredentials: new SigningCredentials(AuthOptions.GetSymmetricSecurityKey(), SecurityAlgorithms.HmacSha256)));
+});
+
+app.MapControllers();
+
+app.Run();

AndDietCokeProject/AndDietCokeWebApi/Properties/launchSettings.json

@@ -0,0 +1,41 @@
+{
+  "$schema": "https://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:48128",
+      "sslPort": 44326
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5006",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7215;http://localhost:5006",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

AndDietCokeProject/AndDietCokeWebApi/WeatherForecast.cs

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

AndDietCokeProject/AndDietCokeWebApi/appsettings.Development.json

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

AndDietCokeProject/AndDietCokeWebApi/appsettings.json

@@ -0,0 +1,28 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": {
+      "Default": "Information"
+    },
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "../logs/anddietcoke-.log",
+          "rollingInterval": "Day",
+          "outputTemplate": "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} {CorrelationId} {Level:u3} {Username} {Message:lj}{Exception}{NewLine}"
+        }
+      }
+    ]
+  },
+  "AllowedHosts": "*",
+  "DataBaseSettings": {
+    "ConnectionString": "Host=127.0.0.1;Port=5432;Database=AndDietCoke;Username=postgres;Password=postgres;"
+  }
+}