мелкие исправления

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/AgencyBusinessLogicContract.cs

@@ -0,0 +1,74 @@
+using MagicCarpetContracts.BusinessLogicContracts;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.Extensions;
+using MagicCarpetContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace MagicCarpetBusinessLogic.Implementations;
+
+public class AgencyBusinessLogicContract(IAgencyStorageContract agencyStorageContract, ILogger logger) : IAgencyBusinessLogicContract
+{
+    private readonly IAgencyStorageContract _agencyStorageContract = agencyStorageContract;
+    private readonly ILogger _logger = logger;
+    public List<AgencyDataModel> GetAllComponents()
+    {
+        _logger.LogInformation("GetAllComponents");
+        return _agencyStorageContract.GetList() ?? throw new NullListException();
+
+        return [];
+    }
+
+    public AgencyDataModel GetComponentByData(string data)
+    {
+        _logger.LogInformation("Get element by data: {data}", data);
+        if (data.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+        if (!data.IsGuid())
+        {
+            throw new ElementNotFoundException(data);
+        }
+        return _agencyStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+
+        return new("", TourType.None, 0, []);
+    }
+
+    public void InsertComponent(AgencyDataModel agencyDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(agencyDataModel));
+        ArgumentNullException.ThrowIfNull(agencyDataModel);
+        agencyDataModel.Validate();
+        _agencyStorageContract.AddElement(agencyDataModel);
+    }
+
+    public void UpdateComponent(AgencyDataModel agencyDataModel)
+    {
+        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(agencyDataModel));
+        ArgumentNullException.ThrowIfNull(agencyDataModel);
+        agencyDataModel.Validate();
+        _agencyStorageContract.UpdElement(agencyDataModel);
+    }
+
+    public void DeleteComponent(string id)
+    {
+        logger.LogInformation("Delete by id: {id}", id);
+        if (id.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(id));
+        }
+        if (!id.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        _agencyStorageContract.DelElement(id);
+    }
+}

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/SaleBusinessLogicContract.cs

@@ -13,10 +13,11 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetBusinessLogic.Implementations;
 
-public class SaleBusinessLogicContract(ISaleStorageContract saleStorageContract, ILogger logger) : ISaleBusinessLogicContract
+public class SaleBusinessLogicContract(ISaleStorageContract saleStorageContract,IAgencyStorageContract agencyStorageContract, ILogger logger) : ISaleBusinessLogicContract
 {
     private readonly ILogger _logger = logger;
     private readonly ISaleStorageContract _saleStorageContract = saleStorageContract;
+    private readonly IAgencyStorageContract _agencyStorageContract = agencyStorageContract;
 
     public List<SaleDataModel> GetAllSalesByPeriod(DateTime fromDate, DateTime toDate)
     {
@@ -101,6 +102,10 @@ public class SaleBusinessLogicContract(ISaleStorageContract saleStorageContract,
         _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(saleDataModel));
         ArgumentNullException.ThrowIfNull(saleDataModel);
         saleDataModel.Validate();
+        if (!_agencyStorageContract.CheckComponents(saleDataModel))
+        {
+            throw new InsufficientException("Dont have tour in agency");
+        }
         _saleStorageContract.AddElement(saleDataModel);
     }
 

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/SuppliesBusinessLogicContract.cs

@@ -0,0 +1,61 @@
+using MagicCarpetContracts.BusinessLogicContracts;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.Extensions;
+using MagicCarpetContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace MagicCarpetBusinessLogic.Implementations;
+
+public class SuppliesBusinessLogicContract(ISuppliesStorageContract suppliesStorageContract, ILogger logger) : ISuppliesBusinessLogicContract
+{
+    private readonly ISuppliesStorageContract _suppliesStorageContract = suppliesStorageContract;
+    private readonly ILogger _logger = logger;
+
+    public List<SuppliesDataModel> GetAllComponents()
+    {
+        _logger.LogInformation("GetAllComponents");
+        return _suppliesStorageContract.GetList() ?? throw new NullListException();
+
+        return [];
+    }
+
+    public SuppliesDataModel GetComponentByData(string data)
+    {
+        _logger.LogInformation("Get element by data: {data}", data);
+        if (data.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+        if (!data.IsGuid())
+        {
+            throw new ElementNotFoundException(data);
+        }
+        return _suppliesStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+
+        return new("", TourType.None, DateTime.UtcNow, 0, []);
+    }
+
+    public void InsertComponent(SuppliesDataModel suppliesDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(suppliesDataModel));
+        ArgumentNullException.ThrowIfNull(suppliesDataModel);
+        suppliesDataModel.Validate();
+        _suppliesStorageContract.AddElement(suppliesDataModel);
+    }
+
+    public void UpdateComponent(SuppliesDataModel suppliesDataModel)
+    {
+        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(suppliesDataModel));
+        ArgumentNullException.ThrowIfNull(suppliesDataModel);
+        suppliesDataModel.Validate();
+        _suppliesStorageContract.UpdElement(suppliesDataModel);
+    }
+}

MagicCarpetProject/MagicCarpetBusinessLogic/Implementations/TourBusinessLogicContract.cs

@@ -56,7 +56,6 @@ public class TourBusinessLogicContract(ITourStorageContract tourStorageContract,
         _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(tourDataModel));
         ArgumentNullException.ThrowIfNull(tourDataModel);
         tourDataModel.Validate();
-        _tourStorageContract.AddElement(tourDataModel);
     }
 
     public void UpdateTour(TourDataModel tourDataModel)
@@ -64,7 +63,6 @@ public class TourBusinessLogicContract(ITourStorageContract tourStorageContract,
         _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(tourDataModel));
         ArgumentNullException.ThrowIfNull(tourDataModel);
         tourDataModel.Validate();
-        _tourStorageContract.UpdElement(tourDataModel);
     }
 
     public void DeleteTour(string id)

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/IAgencyAdapter.cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/ISuppliesAdapter.cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/AgencyOperationResponse .cs

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

MagicCarpetProject/MagicCarpetContracts/AdapterContracts/OperationResponses/SuppliesOperationResponse .cs

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

MagicCarpetProject/MagicCarpetContracts/BindingModels/AgencyBindingModel.cs

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

MagicCarpetProject/MagicCarpetContracts/BindingModels/SuppliesBindingModel.cs

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

MagicCarpetProject/MagicCarpetContracts/BindingModels/TourAgencyBindingModel.cs

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

MagicCarpetProject/MagicCarpetContracts/BindingModels/TourSuppliesBindingModel.cs

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

MagicCarpetProject/MagicCarpetContracts/BusinessLogicContracts/IAgencyBusinessLogicContract.cs

@@ -0,0 +1,17 @@
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BusinessLogicContracts;
+
+public interface IAgencyBusinessLogicContract
+{
+    List<AgencyDataModel> GetAllComponents();
+    AgencyDataModel GetComponentByData(string data);
+    void InsertComponent(AgencyDataModel agencyDataModel);
+    void UpdateComponent(AgencyDataModel agencyDataModel);
+    void DeleteComponent(string id);
+}

MagicCarpetProject/MagicCarpetContracts/BusinessLogicContracts/ISuppliesBusinessLogicContract.cs

@@ -0,0 +1,16 @@
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.BusinessLogicContracts;
+
+public interface ISuppliesBusinessLogicContract
+{
+    List<SuppliesDataModel> GetAllComponents();
+    SuppliesDataModel GetComponentByData(string data);
+    void InsertComponent(SuppliesDataModel componentDataModel);
+    void UpdateComponent(SuppliesDataModel componentDataModel);
+}

MagicCarpetProject/MagicCarpetContracts/DataModels/AgencyDataModel.cs

@@ -0,0 +1,33 @@
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.Extensions;
+using MagicCarpetContracts.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.DataModels;
+
+public class AgencyDataModel(string id, TourType tourType, int count, List<TourAgencyDataModel> tours) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public TourType TourType { get; private set; } = tourType;
+    public int Count { get; private set; } = count;
+    public List<TourAgencyDataModel> Tours { get; private set; } = tours;
+
+    public void Validate()
+    {
+        if (Id.IsEmpty())
+            throw new ValidationException("Field Id is empty");
+        if (!Id.IsGuid())
+            throw new ValidationException("The value in the field Id is not a unique identifier");
+        if (TourType == TourType.None)
+            throw new ValidationException("Field Type is empty");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+        if ((Tours?.Count ?? 0) == 0)
+            throw new ValidationException("The sale must include tours");
+    }
+}

MagicCarpetProject/MagicCarpetContracts/DataModels/SuppliesDataModel.cs

@@ -0,0 +1,35 @@
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.Extensions;
+using MagicCarpetContracts.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+
+namespace MagicCarpetContracts.DataModels;
+
+public class SuppliesDataModel(string id, TourType tourType, DateTime productuionDate, int count, List<TourSuppliesDataModel> tours) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public TourType TourType { get; private set; } = tourType;
+    public DateTime ProductuionDate { get; private set; } = productuionDate;
+    public int Count { get; private set; } = count;
+    public List<TourSuppliesDataModel> Tours { get; private set; } = tours;
+
+    public void Validate()
+    {
+        if (Id.IsEmpty())
+            throw new ValidationException("Field Id is empty");
+        if (!Id.IsGuid())
+            throw new ValidationException("The value in the field Id is not a unique identifier");
+        if (TourType == TourType.None)
+            throw new ValidationException("Field Type is empty");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+        if ((Tours?.Count ?? 0) == 0)
+            throw new ValidationException("The sale must include tours");
+    }
+}

MagicCarpetProject/MagicCarpetContracts/DataModels/TourAgencyDataModel.cs

@@ -0,0 +1,32 @@
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.Extensions;
+using MagicCarpetContracts.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.DataModels;
+
+public class TourAgencyDataModel(string agencyId, string tourId, int count) : IValidation
+{
+    public string AgencyId { get; private set; } = agencyId;
+    public string TourId { get; private set; } = tourId;
+    public int Count { get; private set; } = count;
+
+    public void Validate()
+    {
+        if (AgencyId.IsEmpty())
+            throw new ValidationException("Field AgencyId is empty");
+        if (!AgencyId.IsGuid())
+            throw new ValidationException("The value in the field AgencyId is not a unique identifier");
+        if (TourId.IsEmpty())
+            throw new ValidationException("Field TourId is empty");
+        if (!TourId.IsGuid())
+            throw new ValidationException("The value in the field TourId is not a unique identifier");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+    }
+}

MagicCarpetProject/MagicCarpetContracts/DataModels/TourSuppliesDataModel.cs

@@ -0,0 +1,32 @@
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.Extensions;
+using MagicCarpetContracts.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.DataModels;
+
+public class TourSuppliesDataModel(string suppliesId, string tourId, int count) : IValidation
+{
+    public string SuppliesId { get; private set; } = suppliesId;
+    public string TourId { get; private set; } = tourId;
+    public int Count { get; private set; } = count;
+
+    public void Validate()
+    {
+        if (SuppliesId.IsEmpty())
+            throw new ValidationException("Field SuppliesId is empty");
+        if (!SuppliesId.IsGuid())
+            throw new ValidationException("The value in the field SuppliesId is not a unique identifier");
+        if (TourId.IsEmpty())
+            throw new ValidationException("Field TourId is empty");
+        if (!TourId.IsGuid())
+            throw new ValidationException("The value in the field BlandId is not a unique identifier");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+    }
+}

MagicCarpetProject/MagicCarpetContracts/Exceptions/InsufficientException.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.Exceptions;
+
+public class InsufficientException(string message) : Exception(message)
+{
+}

MagicCarpetProject/MagicCarpetContracts/Infrastructure/OperationResponse.cs

@@ -11,9 +11,9 @@ namespace MagicCarpetContracts.Infrastructure;
 
 public class OperationResponse
 {
-    protected HttpStatusCode StatusCode { get; set; }
+    public HttpStatusCode StatusCode { get; set; }
 
-    protected object? Result { get; set; }
+    public object? Result { get; set; }
 
     public IActionResult GetResponse(HttpRequest request, HttpResponse response)
     {

MagicCarpetProject/MagicCarpetContracts/StoragesContracts/IAgencyStorageContract.cs

@@ -0,0 +1,18 @@
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.StoragesContracts;
+
+public interface IAgencyStorageContract
+{
+    List<AgencyDataModel> GetList();
+    AgencyDataModel GetElementById(string id);
+    void AddElement(AgencyDataModel agencyDataModel);
+    void UpdElement(AgencyDataModel agencyDataModel);
+    void DelElement(string id);
+    bool CheckComponents(SaleDataModel saleDataModel);
+}

MagicCarpetProject/MagicCarpetContracts/StoragesContracts/ISuppliesStorageContract.cs

@@ -0,0 +1,16 @@
+using MagicCarpetContracts.DataModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetContracts.StoragesContracts;
+
+public interface ISuppliesStorageContract
+{
+    List<SuppliesDataModel> GetList(DateTime? startDate = null);
+    SuppliesDataModel GetElementById(string id);
+    void AddElement(SuppliesDataModel suppliesDataModel);
+    void UpdElement(SuppliesDataModel suppliesDataModel);
+}

MagicCarpetProject/MagicCarpetContracts/ViewModels/AgencyViewModel.cs

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

MagicCarpetProject/MagicCarpetContracts/ViewModels/SuppliesViewModel.cs

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

MagicCarpetProject/MagicCarpetContracts/ViewModels/TourAgencyViewModel.cs

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

MagicCarpetProject/MagicCarpetContracts/ViewModels/TourSuppliesViewModel.cs

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

MagicCarpetProject/MagicCarpetDatabase/Implementations/AgencyStorageContract.cs

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

MagicCarpetProject/MagicCarpetDatabase/Implementations/SuppliesStorageContract.cs

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

MagicCarpetProject/MagicCarpetDatabase/Implementations/TourStorageContract.cs

@@ -7,6 +7,7 @@ using Microsoft.EntityFrameworkCore;
 using Npgsql;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -25,7 +26,7 @@ public class TourStorageContract : ITourStorageContract
         {
             cfg.CreateMap<Tour, TourDataModel>();
             cfg.CreateMap<TourDataModel, Tour>();
-            cfg.CreateMap<TourHistory, TourHistoryDataModel>();
+            cfg.CreateMap<TourHistory, TourHistoryDataModel>(); ;
         });
         _mapper = new Mapper(config);
     }

MagicCarpetProject/MagicCarpetDatabase/MagicCarpetDbContext.cs

@@ -43,6 +43,10 @@ public class MagicCarpetDbContext(IConfigurationDatabase configurationDatabase)
             .HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
 
         modelBuilder.Entity<SaleTour>().HasKey(x => new { x.SaleId, x.TourId });
+
+        modelBuilder.Entity<TourSupplies>().HasKey(x => new { x.SuppliesId, x.TourId });
+
+        modelBuilder.Entity<TourAgency>().HasKey(x => new { x.AgencyId, x.TourId });
     }
 
     public DbSet<Client> Clients { get; set; }
@@ -60,4 +64,8 @@ public class MagicCarpetDbContext(IConfigurationDatabase configurationDatabase)
     public DbSet<SaleTour> SaleTours { get; set; }
 
     public DbSet<Employee> Employees { get; set; }
+    public DbSet<Supplies> Supplieses { get; set; }
+    public DbSet<Agency> Agencies { get; set; }
+    public DbSet<TourSupplies> TourSupplieses { get; set; }
+    public DbSet<TourAgency> TourAgensies { get; set; }
 }

MagicCarpetProject/MagicCarpetDatabase/Models/Agency.cs

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

MagicCarpetProject/MagicCarpetDatabase/Models/Supplies.cs

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

MagicCarpetProject/MagicCarpetDatabase/Models/Tour.cs

@@ -1,4 +1,6 @@
-using MagicCarpetContracts.Enums;
+using AutoMapper;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
@@ -9,6 +11,7 @@ using System.Threading.Tasks;
 
 namespace MagicCarpetDatabase.Models;
 
+[AutoMap(typeof(TourDataModel), ReverseMap = true)]
 public class Tour
 {
     public required string Id { get; set; } 
@@ -20,4 +23,8 @@ public class Tour
     public List<SaleTour>? SaleTours { get; set; }
     [ForeignKey("TourId")]
     public List<TourHistory>? TourHistories { get; set; }
+    [ForeignKey("SuppliesesId")]
+    public List<TourSupplies>? TourSupplies { get; set; }
+    [ForeignKey("AgenciesId")]
+    public List<TourAgency>? TourAgency { get; set; }
 }

MagicCarpetProject/MagicCarpetDatabase/Models/TourAgency.cs

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

MagicCarpetProject/MagicCarpetDatabase/Models/TourSupplies.cs

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

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/AgencyBusinessLogicContractTests.cs

@@ -0,0 +1,296 @@
+using MagicCarpetBusinessLogic.Implementations;
+using MagicCarpetContracts.BusinessLogicContracts;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.BusinessLogicContractsTests;
+
+[TestFixture]
+internal class AgencyBusinessLogicContractTests 
+{
+    private IAgencyBusinessLogicContract _warehouseBusinessLogicContract;
+    private Mock<IAgencyStorageContract> _warehouseStorageContract;
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _warehouseStorageContract = new Mock<IAgencyStorageContract>();
+        _warehouseBusinessLogicContract = new AgencyBusinessLogicContract(_warehouseStorageContract.Object, new Mock<ILogger>().Object);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        _warehouseStorageContract.Reset();
+    }
+
+    public void GetAllSupplies_ReturnListOfRecords_Test()
+    {
+        // Arrange
+        var listOriginal = new List<AgencyDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), TourType.Beach, 1, []),
+            new(Guid.NewGuid().ToString(), TourType.Beach, 1, []),
+            new(Guid.NewGuid().ToString(), TourType.Beach, 1, []),
+        };
+        _warehouseStorageContract.Setup(x => x.GetList()).Returns(listOriginal);
+        // Act
+        var list = _warehouseBusinessLogicContract.GetAllComponents();
+        // Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.EquivalentTo(listOriginal));
+    }
+
+    [Test]
+    public void GetAllSupplies_ReturnEmptyList_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.GetList()).Returns([]);
+        // Act
+        var list = _warehouseBusinessLogicContract.GetAllComponents();
+        // Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(0));
+        _warehouseStorageContract.Verify(x => x.GetList(), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSupplies_ReturnNull_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.GetList()).Returns((List<AgencyDataModel>)null);
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.GetAllComponents(), Throws.TypeOf<NullListException>());
+        _warehouseStorageContract.Verify(x => x.GetList(), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.GetList()).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.GetAllComponents(), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.GetList(), Times.Once);
+    }
+
+    [Test]
+    public void GetSuppliesByData_GetById_ReturnRecord_Test()
+    {
+        // Arrange
+        var id = Guid.NewGuid().ToString();
+        var record = new AgencyDataModel(id, TourType.Beach, 1, []);
+        _warehouseStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
+        // Act
+        var element = _warehouseBusinessLogicContract.GetComponentByData(id);
+        // Assert
+        Assert.That(element, Is.Not.Null);
+        Assert.That(element.Id, Is.EqualTo(id));
+        _warehouseStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetComponentsByData_EmptyData_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.GetComponentByData(null), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _warehouseBusinessLogicContract.GetComponentByData(string.Empty), Throws.TypeOf<ArgumentNullException>());
+        _warehouseStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetSuppliesByData_GetById_NotFoundRecord_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.GetElementById(It.IsAny<string>())).Throws(new ElementNotFoundException(""));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.GetComponentByData(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+        _warehouseStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetSuppliesByData_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.GetElementById(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.GetComponentByData(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSupplies_CorrectRecord_Test()
+    {
+        // Arrange
+        var record = new AgencyDataModel(Guid.NewGuid().ToString(), TourType.Beach, 1,
+            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _warehouseStorageContract.Setup(x => x.AddElement(It.IsAny<AgencyDataModel>()));
+        // Act
+        _warehouseBusinessLogicContract.InsertComponent(record);
+        // Assert
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<AgencyDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSupplies_RecordWithExistsData_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.AddElement(It.IsAny<AgencyDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.InsertComponent(new(Guid.NewGuid().ToString(), TourType.Beach, 1,
+            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<AgencyDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSupplies_NullRecord_ThrowException_Test()
+    {
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.InsertComponent(null), Throws.TypeOf<ArgumentNullException>());
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<AgencyDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertComponents_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.InsertComponent(new AgencyDataModel("id", TourType.Beach, 1, [])), Throws.TypeOf<ValidationException>());
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<AgencyDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.AddElement(It.IsAny<AgencyDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.InsertComponent(new(Guid.NewGuid().ToString(), TourType.Beach, 1,
+            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<AgencyDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_CorrectRecord_Test()
+    {
+        // Arrange
+        var record = new AgencyDataModel(Guid.NewGuid().ToString(), TourType.Beach, 1,
+            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<AgencyDataModel>()));
+        // Act
+        _warehouseBusinessLogicContract.UpdateComponent(record);
+        // Assert
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<AgencyDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_RecordWithIncorrectData_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<AgencyDataModel>())).Throws(new ElementNotFoundException(""));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), TourType.Beach, 1,
+            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementNotFoundException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<AgencyDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_RecordWithExistsData_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<AgencyDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), TourType.Beach, 1,
+            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<AgencyDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_NullRecord_ThrowException_Test()
+    {
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(null), Throws.TypeOf<ArgumentNullException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<AgencyDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateComponents_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new AgencyDataModel(Guid.NewGuid().ToString(), TourType.Beach, 1, [])), Throws.TypeOf<ValidationException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<AgencyDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<AgencyDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), TourType.Beach, 1,
+            [new TourAgencyDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<AgencyDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void DeleteComponents_CorrectRecord_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        var flag = false;
+        _warehouseStorageContract.Setup(x => x.DelElement(It.Is((string x) => x == id))).Callback(() => { flag = true; });
+        //Act
+        _warehouseBusinessLogicContract.DeleteComponent(id);
+        //Assert
+        _warehouseStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once); Assert.That(flag);
+    }
+
+    [Test]
+    public void DeleteComponents_RecordWithIncorrectId_ThrowException_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        _warehouseStorageContract.Setup(x => x.DelElement(It.IsAny<string>())).Throws(new ElementNotFoundException(id));
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.DeleteComponent(Guid.NewGuid().ToString()),
+        Throws.TypeOf<ElementNotFoundException>());
+        _warehouseStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void DeleteComponents_IdIsNullOrEmpty_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.DeleteComponent(null), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _warehouseBusinessLogicContract.DeleteComponent(string.Empty), Throws.TypeOf<ArgumentNullException>());
+        _warehouseStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void DeleteComponents_IdIsNotGuid_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.DeleteComponent("id"),
+        Throws.TypeOf<ValidationException>());
+        _warehouseStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void DeleteComponents_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _warehouseStorageContract.Setup(x => x.DelElement(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.DeleteComponent(Guid.NewGuid().ToString()),
+        Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+    }
+}

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/SaleBusinessLogicContractTests.cs

@@ -18,18 +18,22 @@ internal class SaleBusinessLogicContractTests
 {
     private SaleBusinessLogicContract _saleBusinessLogicContract;
     private Mock<ISaleStorageContract> _saleStorageContract;
+    private Mock<IAgencyStorageContract> _agencyStorageContract;
 
     [OneTimeSetUp]
     public void OneTimeSetUp()
     {
         _saleStorageContract = new Mock<ISaleStorageContract>();
-        _saleBusinessLogicContract = new SaleBusinessLogicContract(_saleStorageContract.Object, new Mock<ILogger>().Object);
+        _agencyStorageContract = new Mock<IAgencyStorageContract>();
+        _saleBusinessLogicContract = new SaleBusinessLogicContract(_saleStorageContract.Object,
+            _agencyStorageContract.Object, new Mock<ILogger>().Object);
     }
 
     [TearDown]
     public void TearDown()
     {
         _saleStorageContract.Reset();
+        _agencyStorageContract.Reset();
     }
 
     [Test]
@@ -396,6 +400,7 @@ internal class SaleBusinessLogicContractTests
         var flag = false;
         var record = new SaleDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), DiscountType.None,
             false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)]);
+        _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<SaleDataModel>())).Returns(true);
         _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>()))
             .Callback((SaleDataModel x) =>
             {
@@ -409,6 +414,7 @@ internal class SaleBusinessLogicContractTests
         //Act
         _saleBusinessLogicContract.InsertSale(record);
         //Assert
+        _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<SaleDataModel>()), Times.Once);
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
         Assert.That(flag);
     }
@@ -417,11 +423,13 @@ internal class SaleBusinessLogicContractTests
     public void InsertSale_RecordWithExistsData_ThrowException_Test()
     {
         //Arrange
+        _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<SaleDataModel>())).Returns(true);
         _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(), DiscountType.None, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)])), Throws.TypeOf<ElementExistsException>());
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
+        _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<SaleDataModel>()), Times.Once);
     }
 
     [Test]
@@ -444,13 +452,26 @@ internal class SaleBusinessLogicContractTests
     public void InsertSale_StorageThrowError_ThrowException_Test()
     {
         //Arrange
+        _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<SaleDataModel>())).Returns(true);
         _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(), DiscountType.None, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)])), Throws.TypeOf<StorageException>());
+        _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<SaleDataModel>()), Times.Once);
         _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
     }
 
+    [Test]
+    public void InsertSale_InsufficientError_ThrowException_Test()
+    {
+        //Arrange
+        _agencyStorageContract.Setup(x => x.CheckComponents(It.IsAny<SaleDataModel>())).Returns(false);
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
+            Guid.NewGuid().ToString(), DiscountType.None, false, [new SaleTourDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5, 1.2)])), Throws.TypeOf<InsufficientException>());
+        //Act&Assert
+        _agencyStorageContract.Verify(x => x.CheckComponents(It.IsAny<SaleDataModel>()), Times.Once);
+    }
+
     [Test]
     public void CancelSale_CorrectRecord_Test()
     {

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/SuppliesBusinessLogicContractTests.cs

@@ -0,0 +1,242 @@
+using MagicCarpetBusinessLogic.Implementations;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.BusinessLogicContractsTests;
+
+[TestFixture]
+internal class SuppliesBusinessLogicContractTests 
+{
+    private SuppliesBusinessLogicContract _suppliesBusinessLogicContract;
+    private Mock<ISuppliesStorageContract> _suppliesStorageContract;
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _suppliesStorageContract = new Mock<ISuppliesStorageContract>();
+        _suppliesBusinessLogicContract = new SuppliesBusinessLogicContract(_suppliesStorageContract.Object, new Mock<ILogger>().Object);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        _suppliesStorageContract.Reset();
+    }
+
+    [Test]
+    public void GetAllSupplies_ReturnListOfRecords_Test()
+    {
+        // Arrange
+        var listOriginal = new List<SuppliesDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1, []),
+            new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1, []),
+            new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1, []),
+        };
+        _suppliesStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>())).Returns(listOriginal);
+        // Act
+        var list = _suppliesBusinessLogicContract.GetAllComponents();
+        // Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.EquivalentTo(listOriginal));
+    }
+
+    [Test]
+    public void GetAllSupplies_ReturnEmptyList_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>())).Returns([]);
+        // Act
+        var list = _suppliesBusinessLogicContract.GetAllComponents();
+        // Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(0));
+        _suppliesStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSupplies_ReturnNull_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>())).Returns((List<SuppliesDataModel>)null);
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.GetAllComponents(), Throws.TypeOf<NullListException>());
+        _suppliesStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.GetAllComponents(), Throws.TypeOf<StorageException>());
+        _suppliesStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetSuppliesByData_GetById_ReturnRecord_Test()
+    {
+        // Arrange
+        var id = Guid.NewGuid().ToString();
+        var record = new SuppliesDataModel(id,TourType.Beach, DateTime.Now, 1, []);
+        _suppliesStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
+        // Act
+        var element = _suppliesBusinessLogicContract.GetComponentByData(id);
+        // Assert
+        Assert.That(element, Is.Not.Null);
+        Assert.That(element.Id, Is.EqualTo(id));
+        _suppliesStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetComponentsByData_EmptyData_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _suppliesBusinessLogicContract.GetComponentByData(null), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _suppliesBusinessLogicContract.GetComponentByData(string.Empty), Throws.TypeOf<ArgumentNullException>());
+        _suppliesStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetSuppliesByData_GetById_NotFoundRecord_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.GetElementById(It.IsAny<string>())).Throws(new ElementNotFoundException(""));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.GetComponentByData(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+        _suppliesStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetSuppliesByData_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.GetElementById(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.GetComponentByData(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+        _suppliesStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSupplies_CorrectRecord_Test()
+    {
+        // Arrange
+        var record = new SuppliesDataModel(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1,
+            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _suppliesStorageContract.Setup(x => x.AddElement(It.IsAny<SuppliesDataModel>()));
+        // Act
+        _suppliesBusinessLogicContract.InsertComponent(record);
+        // Assert
+        _suppliesStorageContract.Verify(x => x.AddElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSupplies_RecordWithExistsData_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.AddElement(It.IsAny<SuppliesDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.InsertComponent(new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1,
+            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _suppliesStorageContract.Verify(x => x.AddElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSupplies_NullRecord_ThrowException_Test()
+    {
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.InsertComponent(null), Throws.TypeOf<ArgumentNullException>());
+        _suppliesStorageContract.Verify(x => x.AddElement(It.IsAny<SuppliesDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertComponents_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _suppliesBusinessLogicContract.InsertComponent(new SuppliesDataModel("id", TourType.Beach, DateTime.UtcNow, 1, [])), Throws.TypeOf<ValidationException>());
+        _suppliesStorageContract.Verify(x => x.AddElement(It.IsAny<SuppliesDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.AddElement(It.IsAny<SuppliesDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.InsertComponent(new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1,
+            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _suppliesStorageContract.Verify(x => x.AddElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_CorrectRecord_Test()
+    {
+        // Arrange
+        var record = new SuppliesDataModel(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1,
+            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _suppliesStorageContract.Setup(x => x.UpdElement(It.IsAny<SuppliesDataModel>()));
+        // Act
+        _suppliesBusinessLogicContract.UpdateComponent(record);
+        // Assert
+        _suppliesStorageContract.Verify(x => x.UpdElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_RecordWithIncorrectData_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.UpdElement(It.IsAny<SuppliesDataModel>())).Throws(new ElementNotFoundException(""));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1,
+            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementNotFoundException>());
+        _suppliesStorageContract.Verify(x => x.UpdElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_RecordWithExistsData_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.UpdElement(It.IsAny<SuppliesDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1,
+            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _suppliesStorageContract.Verify(x => x.UpdElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_NullRecord_ThrowException_Test()
+    {
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.UpdateComponent(null), Throws.TypeOf<ArgumentNullException>());
+        _suppliesStorageContract.Verify(x => x.UpdElement(It.IsAny<SuppliesDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateComponents_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _suppliesBusinessLogicContract.UpdateComponent(new SuppliesDataModel(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1, [])), Throws.TypeOf<ValidationException>());
+        _suppliesStorageContract.Verify(x => x.UpdElement(It.IsAny<SuppliesDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _suppliesStorageContract.Setup(x => x.UpdElement(It.IsAny<SuppliesDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _suppliesBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1,
+            [new TourSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _suppliesStorageContract.Verify(x => x.UpdElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+}

MagicCarpetProject/MagicCarpetTests/BusinessLogicContractsTests/TourBusinessLogicContractTests.cs

@@ -3,6 +3,7 @@ using MagicCarpetContracts.DataModels;
 using MagicCarpetContracts.Enums;
 using MagicCarpetContracts.Exceptions;
 using MagicCarpetContracts.StoragesContracts;
+using MagicCarpetTests.DataModelTests;
 using Microsoft.Extensions.Logging;
 using Moq;
 using System;
@@ -154,7 +155,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var id = Guid.NewGuid().ToString();
-        var record = new TourDataModel(id, "name","country", 10, TourType.Ski);
+        var record = new TourDataModel(id, "name", "country", 10, TourType.Ski);
         _tourStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(id);
@@ -183,7 +184,7 @@ internal class TourBusinessLogicContractTests
     {
         //Arrange
         var country = "country";
-        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", country, 10, TourType.Ski);
+        var record = new TourDataModel(Guid.NewGuid().ToString(), "name", country, 10, TourType.Ski);  
         _tourStorageContract.Setup(x => x.GetElementByName(country)).Returns(record);
         //Act
         var element = _tourBusinessLogicContract.GetTourByData(country);
@@ -248,7 +249,7 @@ internal class TourBusinessLogicContractTests
         _tourStorageContract.Setup(x => x.AddElement(It.IsAny<TourDataModel>()))
             .Callback((TourDataModel x) =>
             {
-                flag = x.Id == record.Id && x.TourName == record.TourName && x.TourCountry == record.TourCountry 
+                flag = x.Id == record.Id && x.TourName == record.TourName && x.TourCountry == record.TourCountry
                     && x.Price == record.Price && x.TourType == record.TourType;
             });
         //Act
@@ -288,10 +289,18 @@ internal class TourBusinessLogicContractTests
     public void InsertTour_StorageThrowError_ThrowException_Test()
     {
         //Arrange
-        _tourStorageContract.Setup(x => x.AddElement(It.IsAny<TourDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name","country", 10, TourType.Ski)), Throws.TypeOf<InsufficientException>());
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.InsertTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf<StorageException>());
+        _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
-        _tourStorageContract.Verify(x => x.AddElement(It.IsAny<TourDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertTour_InsufficientError_ThrowException_Test()
+    {
+        //Arrange
+        Assert.That(() => _tourBusinessLogicContract.InsertTour(new TourDataModel(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)),Throws.TypeOf<InsufficientException>());
+        //Act&Assert
+        _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Never);
     }
 
     [Test]
@@ -329,7 +338,7 @@ internal class TourBusinessLogicContractTests
         //Arrange
         _tourStorageContract.Setup(x => x.UpdElement(It.IsAny<TourDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
-        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf<ElementExistsException>());
+        Assert.That(() => _tourBusinessLogicContract.UpdateTour(new(Guid.NewGuid().ToString(), "name", "country", 10, TourType.Ski)), Throws.TypeOf <ElementExistsException>());
         _tourStorageContract.Verify(x => x.UpdElement(It.IsAny<TourDataModel>()), Times.Once);
     }
 

MagicCarpetProject/MagicCarpetTests/DataModelTests/AgencyDataModelTests.cs

@@ -0,0 +1,79 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.DataModelTests;
+
+[TestFixture]
+internal class AgencyDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(null, TourType.Beach, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        model = CreateDataModel(string.Empty, TourType.Beach, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var model = CreateDataModel("id", TourType.Beach, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TypeIsNoneTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), TourType.None, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), TourType.None, 0, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), TourType.None, -1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void ToursIsNullOrEmptyTest()
+    {
+        var sale = CreateDataModel(Guid.NewGuid().ToString(), TourType.Beach, 1, null);
+        Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
+
+        sale = CreateDataModel(Guid.NewGuid().ToString(), TourType.Beach, 1, []);
+        Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var id = Guid.NewGuid().ToString();
+        var type = TourType.Beach;
+        var count = 1;
+        var tours = CreateSubDataModel();
+        var model = CreateDataModel(id, type, count, tours);
+        Assert.DoesNotThrow(() => model.Validate());
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.Id, Is.EqualTo(id));
+            Assert.That(model.TourType, Is.EqualTo(type));
+            Assert.That(model.Count, Is.EqualTo(count));
+            Assert.That(model.Tours, Is.EqualTo(tours));
+        });
+    }
+
+    private static AgencyDataModel CreateDataModel(string? id, TourType type, int count, List<TourAgencyDataModel> tours)
+        => new AgencyDataModel(id, type, count, tours);
+    private static List<TourAgencyDataModel> CreateSubDataModel()
+        => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+}

MagicCarpetProject/MagicCarpetTests/DataModelTests/SuppliesDataModelTests.cs

@@ -0,0 +1,80 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.DataModelTests;
+
+[TestFixture]
+internal class SuppliesDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(null, TourType.Beach, DateTime.Now, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        model = CreateDataModel(string.Empty, TourType.Beach, DateTime.Now, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var model = CreateDataModel("id", TourType.Beach, DateTime.Now, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TypeIsNoneTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), TourType.None, DateTime.Now, 1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), TourType.None, DateTime.Now, 0, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), TourType.None, DateTime.Now, -1, CreateSubDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void ToursIsNullOrEmptyTest()
+    {
+        var sale = CreateDataModel(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1, null);
+        Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
+        sale = CreateDataModel(Guid.NewGuid().ToString(), TourType.Beach, DateTime.Now, 1, []);
+        Assert.That(() => sale.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var id = Guid.NewGuid().ToString();
+        var type = TourType.Beach;
+        var date = DateTime.Now;
+        var count = 1;
+        var tours = CreateSubDataModel();
+        var model = CreateDataModel(id, type, date, count, tours);
+        Assert.DoesNotThrow(() => model.Validate());
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.Id, Is.EqualTo(id));
+            Assert.That(model.TourType, Is.EqualTo(type));
+            Assert.That(model.ProductuionDate, Is.EqualTo(date));
+            Assert.That(model.Count, Is.EqualTo(count));
+            Assert.That(model.Tours, Is.EqualTo(tours));
+        });
+    }
+
+    private static SuppliesDataModel CreateDataModel(string? id, TourType type, DateTime date, int count, List<TourSuppliesDataModel> tours)
+            => new(id, type, date, count, tours);
+    private static List<TourSuppliesDataModel> CreateSubDataModel()
+        => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+}

MagicCarpetProject/MagicCarpetTests/DataModelTests/TourAgencyDataModelTests.cs

@@ -0,0 +1,75 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.DataModelTests;
+
+[TestFixture]
+internal class TourAgencyDataModelTests
+{
+    [Test]
+    public void AgencyIdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(null, Guid.NewGuid().ToString(), 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AgencyIdIsNotGuidTest()
+    {
+        var model = CreateDataModel("id", Guid.NewGuid().ToString(), 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TourIdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), null, 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TourIdIsNotGuidTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), "id", 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        model = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var agencyId = Guid.NewGuid().ToString();
+        var tourId = Guid.NewGuid().ToString();
+        var count = 1;
+        var model = CreateDataModel(agencyId, tourId, count);
+        Assert.That(() => model.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.AgencyId, Is.EqualTo(agencyId));
+            Assert.That(model.TourId, Is.EqualTo(tourId));
+            Assert.That(model.Count, Is.EqualTo(count));
+        });
+    }
+
+    private static TourAgencyDataModel CreateDataModel(string? agencyId, string? tourId, int count)
+        => new(agencyId, tourId, count);
+}

MagicCarpetProject/MagicCarpetTests/DataModelTests/TourDataModelTests.cs

@@ -3,6 +3,7 @@ using MagicCarpetContracts.Enums;
 using MagicCarpetContracts.Exceptions;
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -14,17 +15,17 @@ internal class TourDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var cocktail = CreateDataModel(null, "name", "country", 10.5, TourType.Beach);
+        var tour = CreateDataModel(null, "name", "country", 10.5, TourType.Beach);
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(string.Empty, "name", "country", 10.5, TourType.Beach);
+        tour = CreateDataModel(string.Empty, "name", "country", 10.5, TourType.Beach);
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var cocktail = CreateDataModel("id", "name", "country", 10.5, TourType.Beach);
+        var tour = CreateDataModel("id", "name", "country", 10.5, TourType.Beach);
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
@@ -46,17 +47,17 @@ internal class TourDataModelTests
     [Test]
     public void PriceIsLessOrZeroTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
+        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
-        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, string.Empty, -10.5, TourType.Beach);
+        tour = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, string.Empty, -10.5, TourType.Beach);
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void TourTypeIsNoneTest()
     {
-        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
+        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
-        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
+        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
@@ -67,6 +68,8 @@ internal class TourDataModelTests
         var tourCountry = "country";
         var price = 10.5;
         var tourType = TourType.Ski;
+        var supplies = CreateSuppliesDataModel();
+        var agency = CreateAgencyDataModel();
         var tour = CreateDataModel(tourId, tourName, tourCountry, price, tourType);
         Assert.That(() => tour.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
@@ -79,6 +82,11 @@ internal class TourDataModelTests
         });
     }
 
-    private static TourDataModel CreateDataModel(string? id, string? tourName, string? countryName,double price, TourType tourType) =>
+    private static TourDataModel CreateDataModel(string? id, string? tourName, string? countryName, double price, TourType tourType) =>
         new(id, tourName, countryName,price, tourType);
+    private static List<TourSuppliesDataModel> CreateSuppliesDataModel()
+                => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+
+    private static List<TourAgencyDataModel> CreateAgencyDataModel()
+                => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
 }

MagicCarpetProject/MagicCarpetTests/DataModelTests/TourSuppliesDataModelTests.cs

@@ -0,0 +1,75 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.DataModelTests;
+
+[TestFixture]
+internal class TourSuppliesDataModelTests
+{
+    [Test]
+    public void SuppliesIdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(null, Guid.NewGuid().ToString(), 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void SuppliesIdIsNotGuidTest()
+    {
+        var model = CreateDataModel("id", Guid.NewGuid().ToString(), 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TourIdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), null, 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TourIdIsNotGuidTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), "id", 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        model = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var suppliesId = Guid.NewGuid().ToString();
+        var tourId = Guid.NewGuid().ToString();
+        var count = 1;
+        var model = CreateDataModel(suppliesId, tourId, count);
+        Assert.That(() => model.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.SuppliesId, Is.EqualTo(suppliesId));
+            Assert.That(model.TourId, Is.EqualTo(tourId));
+            Assert.That(model.Count, Is.EqualTo(count));
+        });
+    }
+
+    private static TourSuppliesDataModel CreateDataModel(string? suppliesId, string? tourId, int count)
+        => new(suppliesId, tourId, count);
+}

MagicCarpetProject/MagicCarpetTests/Infrastructure/MagicCarpetDbContextExtensions.cs

@@ -75,6 +75,36 @@ internal static class MagicCarpetDbContextExtensions
         return employee;
     }
 
+    public static Agency InsertAgencyToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, TourType tourType = TourType.Beach, int count = 20, List<(string, int)>? tours = null)
+    {
+        var agency = new Agency() { Id = id ?? Guid.NewGuid().ToString(), TourType = tourType, Count = count, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                agency.Tours.Add(new TourAgency { AgencyId = agency.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        dbContext.Agencies.Add(agency);
+        dbContext.SaveChanges();
+        return agency;
+    }
+
+    public static Supplies InsertSuppliesToDatabaseAndReturn(this MagicCarpetDbContext dbContext, string? id = null, TourType type = TourType.Beach, int count = 20, DateTime? date = null, List<(string, int)>? tours = null)
+    {
+        var supply = new Supplies() { Id = id ?? Guid.NewGuid().ToString(), Type = type, Count = count, ProductuionDate = date ?? DateTime.UtcNow, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                supply.Tours.Add(new TourSupplies { SuppliesId = supply.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        dbContext.Supplieses.Add(supply);
+        dbContext.SaveChanges();
+        return supply;
+    }
+
     public static Client? GetClientFromDatabase(this MagicCarpetDbContext dbContext, string id) => dbContext.Clients.FirstOrDefault(x => x.Id == id);
 
     public static Post? GetPostFromDatabaseByPostId(this MagicCarpetDbContext dbContext, string id) => dbContext.Posts.FirstOrDefault(x => x.PostId == id && x.IsActual);
@@ -90,6 +120,8 @@ internal static class MagicCarpetDbContextExtensions
     public static Sale[] GetSalesByClientId(this MagicCarpetDbContext dbContext, string? clientId) => [.. dbContext.Sales.Include(x => x.SaleTours).Where(x => x.ClientId == clientId)];
 
     public static Employee? GetEmployeeFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Employees.FirstOrDefault(x => x.Id == id);
+    public static Agency? GetAgencyFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Agencies.Include(x => x.Tours).FirstOrDefault(x => x.Id == id);
+    public static Supplies? GetSuppliesFromDatabaseById(this MagicCarpetDbContext dbContext, string id) => dbContext.Supplieses.Include(x => x.Tours).FirstOrDefault(x => x.Id == id);
 
     public static void RemoveClientsFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Clients\" CASCADE;");
 
@@ -103,5 +135,8 @@ internal static class MagicCarpetDbContextExtensions
 
     public static void RemoveEmployeesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Employees\" CASCADE;");
 
+    public static void RemoveAgenciesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Agencies\" CASCADE;");
+    public static void RemoveSuppliesFromDatabase(this MagicCarpetDbContext dbContext) => dbContext.ExecuteSqlRaw("TRUNCATE \"Supplieses\" CASCADE;");
+
     private static void ExecuteSqlRaw(this MagicCarpetDbContext dbContext, string command) => dbContext.Database.ExecuteSqlRaw(command);
 }

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/AgencyStorageContractTests.cs

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

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/BaseStorageContractTest.cs

@@ -6,7 +6,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 internal abstract class BaseStorageContractTest
 {

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/ClientStorageContractTests.cs

@@ -11,7 +11,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class ClientStorageContractTests : BaseStorageContractTest

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/EmployeeStorageContractTests.cs

@@ -10,7 +10,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 class EmployeeStorageContractTests : BaseStorageContractTest

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SalaryStorageContractTests.cs

@@ -9,7 +9,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class SalaryStorageContractTests : BaseStorageContractTest

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SaleStorageContractTests.cs

@@ -12,12 +12,12 @@ using System.Text;
 using System.Threading.Tasks;
 using static NUnit.Framework.Internal.OSPlatform;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class SaleStorageContractTests : BaseStorageContractTest
 {
-    private SaleStorageContract _saletStorageContract;
+    private SaleStorageContract _saleStorageContract;
     private Client _client;
     private Employee _employee;
     private Tour _tour;
@@ -25,7 +25,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [SetUp]
     public void SetUp()
     {
-        _saletStorageContract = new SaleStorageContract(MagicCarpetDbContext);
+        _saleStorageContract = new SaleStorageContract(MagicCarpetDbContext);
         _client = MagicCarpetDbContext.InsertClientToDatabaseAndReturn();
         _employee = MagicCarpetDbContext.InsertEmployeeToDatabaseAndReturn();
         _tour = MagicCarpetDbContext.InsertTourToDatabaseAndReturn();
@@ -46,7 +46,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
         var sale = MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 5, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, null, tours: [(_tour.Id, 10, 1.2)]);
-        var list = _saletStorageContract.GetList();
+        var list = _saleStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
         AssertElement(list.First(x => x.Id == sale.Id), sale);
@@ -55,7 +55,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_GetList_WhenNoRecords_Test()
     {
-        var list = _saletStorageContract.GetList();
+        var list = _saleStorageContract.GetList();
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Is.Empty);
     }
@@ -67,7 +67,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, saleDate: DateTime.UtcNow.AddDays(-1).AddMinutes(3), tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(3), tours: [(_tour.Id, 1, 1.2)]);
-        var list = _saletStorageContract.GetList(startDate: DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1));
+        var list = _saleStorageContract.GetList(startDate: DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1));
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
     }
@@ -79,7 +79,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(employee.Id, null, tours: [(_tour.Id, 1, 1.2)]);
-        var list = _saletStorageContract.GetList(employeeId: _employee.Id);
+        var list = _saleStorageContract.GetList(employeeId: _employee.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
         Assert.That(list.All(x => x.EmployeeId == _employee.Id));
@@ -93,7 +93,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, client.Id, tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, null, tours: [(_tour.Id, 1, 1.2)]);
-        var list = _saletStorageContract.GetList(clientId: _client.Id);
+        var list = _saleStorageContract.GetList(clientId: _client.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(2));
         Assert.That(list.All(x => x.ClientId == _client.Id));
@@ -107,7 +107,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2), (tour.Id, 4, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, null, tours: [(tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, null, tours: [(tour.Id, 1, 1.2), (_tour.Id, 1, 1.2)]);
-        var list = _saletStorageContract.GetList(tourId: _tour.Id);
+        var list = _saleStorageContract.GetList(tourId: _tour.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(3));
         Assert.That(list.All(x => x.Tours!.Any(y => y.TourId == _tour.Id)));
@@ -126,7 +126,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, client.Id, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), tours: [(_tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), tours: [(tour.Id, 1, 1.2)]);
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(employee.Id, null, saleDate: DateTime.UtcNow.AddDays(1).AddMinutes(-3), tours: [(_tour.Id, 1, 1.2)]);
-        var list = _saletStorageContract.GetList(startDate: DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1), employeeId: _employee.Id, clientId: _client.Id, tourId: tour.Id);
+        var list = _saleStorageContract.GetList(startDate: DateTime.UtcNow.AddDays(-1), endDate: DateTime.UtcNow.AddDays(1), employeeId: _employee.Id, clientId: _client.Id, tourId: tour.Id);
         Assert.That(list, Is.Not.Null);
         Assert.That(list, Has.Count.EqualTo(1));
     }
@@ -135,28 +135,28 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     public void Try_GetElementById_WhenHaveRecord_Test()
     {
         var sale = MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)]);
-        AssertElement(_saletStorageContract.GetElementById(sale.Id), sale);
+        AssertElement(_saleStorageContract.GetElementById(sale.Id), sale);
     }
 
     [Test]
     public void Try_GetElementById_WhenNoRecord_Test()
     {
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)]);
-        Assert.That(() => _saletStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
+        Assert.That(() => _saleStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
     }
 
     [Test]
     public void Try_GetElementById_WhenRecordHasCanceled_Test()
     {
         var sale = MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)], isCancel: true);
-        AssertElement(_saletStorageContract.GetElementById(sale.Id), sale);
+        AssertElement(_saleStorageContract.GetElementById(sale.Id), sale);
     }
 
     [Test]
     public void Try_AddElement_Test()
     {
         var sale = CreateModel(Guid.NewGuid().ToString(), _employee.Id, _client.Id, DiscountType.RegularCustomer, false, [_tour.Id]);
-        _saletStorageContract.AddElement(sale);
+        _saleStorageContract.AddElement(sale);
         AssertElement(MagicCarpetDbContext.GetSaleFromDatabaseById(sale.Id), sale);
     }
 
@@ -164,7 +164,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     public void Try_AddElement_WhenIsDeletedIsTrue_Test()
     {
         var sale = CreateModel(Guid.NewGuid().ToString(), _employee.Id, _client.Id, DiscountType.RegularCustomer, true, [_tour.Id]);
-        Assert.That(() => _saletStorageContract.AddElement(sale), Throws.Nothing);
+        Assert.That(() => _saleStorageContract.AddElement(sale), Throws.Nothing);
         AssertElement(MagicCarpetDbContext.GetSaleFromDatabaseById(sale.Id), CreateModel(sale.Id, _employee.Id, _client.Id, DiscountType.RegularCustomer, false, [_tour.Id]));
     }
 
@@ -172,7 +172,7 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     public void Try_DelElement_Test()
     {
         var sale = MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)], isCancel: false);
-        _saletStorageContract.DelElement(sale.Id);
+        _saleStorageContract.DelElement(sale.Id);
         var element = MagicCarpetDbContext.GetSaleFromDatabaseById(sale.Id);
         Assert.Multiple(() =>
         {
@@ -184,14 +184,53 @@ internal class SaleStorageContractTests : BaseStorageContractTest
     [Test]
     public void Try_DelElement_WhenNoRecordWithThisId_Test()
     {
-        Assert.That(() => _saletStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+        Assert.That(() => _saleStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
     }
 
     [Test]
     public void Try_DelElement_WhenRecordWasCanceled_Test()
     {
-        var sale = MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1, 1.2)], isCancel: true);
+        var sale = InsertSaleToDatabaseAndReturn(_employee.Id, _client.Id, tours: [(_tour.Id, 1)], isCancel: true);
-        Assert.That(() => _saletStorageContract.DelElement(sale.Id), Throws.TypeOf<ElementDeletedException>());
+        Assert.That(() => _saleStorageContract.DelElement(sale.Id), Throws.TypeOf<ElementDeletedException>());
+    }
+
+    private Client InsertClientToDatabaseAndReturn(string fio = "test", string phoneNumber = "+7-777-777-77-77")
+    {
+        var client = new Client() { Id = Guid.NewGuid().ToString(), FIO = fio, PhoneNumber = phoneNumber, DiscountSize = 10 };
+        MagicCarpetDbContext.Clients.Add(client);
+        MagicCarpetDbContext.SaveChanges();
+        return client;
+    }
+
+    private Employee InsertEmployeeToDatabaseAndReturn(string fio = "test", string employeeEmail = "abc@gmail.com")
+    {
+        var employee = new Employee() { Id = Guid.NewGuid().ToString(), FIO = fio, Email = employeeEmail, PostId = Guid.NewGuid().ToString() };
+        MagicCarpetDbContext.Employees.Add(employee);
+        MagicCarpetDbContext.SaveChanges();
+        return employee;
+    }
+
+    private Tour InsertTourToDatabaseAndReturn(string tourName = "test", TourType tourType = TourType.Sightseeing, double price = 1)
+    {
+        var tour = new Tour() { Id = Guid.NewGuid().ToString(), TourName = tourName, TourType = tourType, Price = price };
+        MagicCarpetDbContext.Tours.Add(tour);
+        MagicCarpetDbContext.SaveChanges();
+        return tour;
+    }
+
+    private Sale InsertSaleToDatabaseAndReturn(string employeeId, string? clientId, DateTime? saleDate = null, double sum = 1, DiscountType discountType = DiscountType.OnSale, double discount = 0, bool isCancel = false, List<(string, int)>? tours = null)
+    {
+        var sale = new Sale() { EmployeeId = employeeId, ClientId = clientId, SaleDate = saleDate ?? DateTime.UtcNow, Sum = sum, DiscountType = discountType, Discount = discount, IsCancel = isCancel, SaleTours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                sale.SaleTours.Add(new SaleTour { TourId = elem.Item1, SaleId = sale.Id, Count = elem.Item2 });
+            }
+        }
+        MagicCarpetDbContext.Sales.Add(sale);
+        MagicCarpetDbContext.SaveChanges();
+        return sale;
     }
 
     private static void AssertElement(SaleDataModel? actual, Sale expected)

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/SuppliesStorageContractTests.cs

@@ -0,0 +1,191 @@
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetDatabase.Implementations;
+using MagicCarpetDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.StoragesContractsTests;
+
+[TestFixture]
+internal class SuppliesStorageContractTests : BaseStorageContractTest
+{
+    private SuppliesStorageContract _suppliesStorageContract;
+    private Tour _tour;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _suppliesStorageContract = new SuppliesStorageContract(MagicCarpetDbContext);
+        _tour = InsertTourToDatabaseAndReturn();
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Supplieses\" CASCADE;");
+        MagicCarpetDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Tours\" CASCADE;");
+    }
+
+    [Test]
+    public void Try_GetList_WhenHaveRecords_Test()
+    {
+        var supply = InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        var list = _suppliesStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(3));
+        AssertElement(list.First(), supply);
+    }
+
+    [Test]
+    public void Try_GetList_WhenNoRecords_Test()
+    {
+        var list = _suppliesStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.Empty);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenHaveRecord_Test()
+    {
+        var supply = InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), TourType.Ski, 5);
+        AssertElement(_suppliesStorageContract.GetElementById(supply.Id), supply);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenNoRecord_Test()
+    {
+        Assert.That(() => _suppliesStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
+    }
+
+    [Test]
+    public void Try_AddElement_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id]);
+        _suppliesStorageContract.AddElement(supply);
+        AssertElement(GetSupplyFromDatabaseById(supply.Id), supply);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenHaveRecordWithSameId_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id]);
+        InsertSupplyToDatabaseAndReturn(supply.Id, TourType.Ski, 5, [(_tour.Id, 3)]);
+        Assert.That(() => _suppliesStorageContract.AddElement(supply), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_UpdElement_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id]);
+        InsertSupplyToDatabaseAndReturn(supply.Id, TourType.Ski, 5, null);
+        _suppliesStorageContract.UpdElement(supply);
+        AssertElement(GetSupplyFromDatabaseById(supply.Id), supply);
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenNoRecordWithThisId_Test()
+    {
+        Assert.That(() => _suppliesStorageContract.UpdElement(CreateModel(Guid.NewGuid().ToString(), TourType.Ski, 5, [_tour.Id])), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    private Tour InsertTourToDatabaseAndReturn()
+    {
+        var tour = new Tour { Id = Guid.NewGuid().ToString(), TourName = "Test Tour", TourType = TourType.Ski };
+        MagicCarpetDbContext.Tours.Add(tour);
+        MagicCarpetDbContext.SaveChanges();
+        return tour;
+    }
+
+    private Supplies InsertSupplyToDatabaseAndReturn(string id, TourType type, int count, List<(string, int)>? tours = null)
+    {
+        var supply = new Supplies { Id = id, Type = type, ProductuionDate = DateTime.UtcNow, Count = count, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                supply.Tours.Add(new TourSupplies { SuppliesId = supply.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        MagicCarpetDbContext.Supplieses.Add(supply);
+        MagicCarpetDbContext.SaveChanges();
+        return supply;
+    }
+
+    private static void AssertElement(SuppliesDataModel? actual, Supplies expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.TourType, Is.EqualTo(expected.Type));
+            Assert.That(actual.ProductuionDate, Is.EqualTo(expected.ProductuionDate));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static void AssertElement(Supplies? actual, SuppliesDataModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Type, Is.EqualTo(expected.TourType));
+            Assert.That(actual.ProductuionDate, Is.EqualTo(expected.ProductuionDate));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static SuppliesDataModel CreateModel(string id, TourType type, int count, List<string> toursIds)
+    {
+        var tours = toursIds.Select(x => new TourSuppliesDataModel(id, x, 1)).ToList();
+        return new(id, type, DateTime.UtcNow, count, tours);
+    }
+
+
+    private Supplies? GetSupplyFromDatabaseById(string id)
+    {
+        return MagicCarpetDbContext.Supplieses.FirstOrDefault(x => x.Id == id);
+    }
+}

MagicCarpetProject/MagicCarpetTests/StoragesContractsTests/TourStorageContractTests.cs

@@ -13,7 +13,7 @@ using System.Text;
 using System.Threading.Tasks;
 using static NUnit.Framework.Internal.OSPlatform;
 
-namespace MagicCarpetTests.StoragesContracts;
+namespace MagicCarpetTests.StoragesContractsTests;
 
 [TestFixture]
 internal class TourStorageContractTests : BaseStorageContractTest
@@ -166,6 +166,23 @@ internal class TourStorageContractTests : BaseStorageContractTest
     {
         Assert.That(() => _tourStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
     }
+
+    private Tour InsertTourToDatabaseAndReturn(string id, string tourName = "test", string tourCountry = "country", TourType tourType = TourType.Beach, double price = 1)
+    {
+        var tour = new Tour() { Id = id, TourName = tourName, TourCountry = tourCountry, TourType = tourType, Price = price };
+        MagicCarpetDbContext.Tours.Add(tour);
+        MagicCarpetDbContext.SaveChanges();
+        return tour;
+    }
+
+    private TourHistory InsertTourHistoryToDatabaseAndReturn(string tourId, double price, DateTime changeDate)
+    {
+        var tourHistory = new TourHistory() { Id = Guid.NewGuid().ToString(), TourId = tourId, OldPrice = price, ChangeDate = changeDate };
+        MagicCarpetDbContext.TourHistories.Add(tourHistory);
+        MagicCarpetDbContext.SaveChanges();
+        return tourHistory;
+    }
+
     private static void AssertElement(TourDataModel? actual, Tour expected)
     {
         Assert.That(actual, Is.Not.Null);

MagicCarpetProject/MagicCarpetTests/WebApiAdapterTests/SuppliesAdapterTests.cs

@@ -0,0 +1,296 @@
+using AutoMapper;
+using MagicCarpetContracts.BindingModels;
+using MagicCarpetContracts.BusinessLogicContracts;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.ViewModels;
+using MagicCarpetWebApi.Adapters;
+using Microsoft.Extensions.Logging;
+using Moq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.WebApiAdapterTests;
+
+[TestFixture]
+internal class SuppliesAdapterTests
+{
+    private Mock<ISuppliesBusinessLogicContract> _suppliesBusinessLogicContract;
+    private SuppliesAdapter _adapter;
+    private Mock<ILogger<SuppliesAdapter>> _logger;
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _suppliesBusinessLogicContract = new Mock<ISuppliesBusinessLogicContract>();
+        _logger = new Mock<ILogger<SuppliesAdapter>>();
+        _adapter = new SuppliesAdapter(_suppliesBusinessLogicContract.Object, _logger.Object);
+    }
+
+    [Test]
+    public void GetAllComponents_WhenSuppliesExist_ReturnOk()
+    {
+        // Arrange
+        var supplies = new List<SuppliesDataModel>
+        {
+            new SuppliesDataModel(Guid.NewGuid().ToString(), TourType.Ski, DateTime.Now, 5, []),
+            new SuppliesDataModel(Guid.NewGuid().ToString(), TourType.Ski, DateTime.Now.AddDays(1), 10, [])
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.GetAllComponents()).Returns(supplies);
+        // Act
+        var result = _adapter.GetAllComponents();
+        var list = (List<SuppliesViewModel>)result.Result!;
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        Assert.That(list.Count, Is.EqualTo(2));
+    }
+
+    [Test]
+    public void GetAllComponents_WhenListNull_ReturnNotFound()
+    {
+        // Arrange
+        _suppliesBusinessLogicContract.Setup(x => x.GetAllComponents()).Throws(new NullListException());
+        // Act
+        var result = _adapter.GetAllComponents();
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public void GetAllComponents_WhenStorageException_ReturnsInternalServerError()
+    {
+        // Arrange
+        _suppliesBusinessLogicContract.Setup(x => x.GetAllComponents()).Throws(new StorageException(new InvalidOperationException()));
+        // Act
+        var result = _adapter.GetAllComponents();
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.InternalServerError));
+    }
+
+    [Test]
+    public void GetComponentByData_WhenSupplies_ReturnOK()
+    {
+        var supply = new SuppliesDataModel(Guid.NewGuid().ToString(), TourType.Ski, DateTime.Now, 5, []);
+        // Arrange
+        _suppliesBusinessLogicContract.Setup(x => x.GetComponentByData(supply.Id)).Returns(supply);
+        // Act
+        var result = _adapter.GetComponentByData(supply.Id);
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var resultData = (SuppliesViewModel)result.Result!;
+        Assert.That(resultData.Id!, Is.EqualTo(supply.Id));
+    }
+
+    [Test]
+    public void GetComponentByData_WhenComponentNotFound_ReturnsNotFound()
+    {
+        // Arrange
+        var data = "test";
+        _suppliesBusinessLogicContract.Setup(x => x.GetComponentByData(data)).Throws(new ElementNotFoundException(""));
+        // Act
+        var result = _adapter.GetComponentByData(data);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public void GetComponentByData_WhenStorageException_ReturnInternalServerError()
+    {
+        // Arrange
+        var data = "test";
+        _suppliesBusinessLogicContract.Setup(x => x.GetComponentByData(data)).Throws(new StorageException(new InvalidOperationException()));
+        // Act
+        var result = _adapter.GetComponentByData(data);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.InternalServerError));
+    }
+
+    [Test]
+    public void InsertComponent_WhenValidData_ReturnsNoContent()
+    {
+        // Arrange
+        var supply = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.Ski,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = [new TourSuppliesBindingModel { TourId = Guid.NewGuid().ToString(), SuppliesId = Guid.NewGuid().ToString(), Count = 5 }]
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.InsertComponent(It.IsAny<SuppliesDataModel>()));
+        // Act
+        var result = _adapter.InsertComponent(supply);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+    }
+
+    [Test]
+    public void InsertComponent_WhenDataIsNull_ReturnsBadRequest()
+    {
+        // Arrange
+        _suppliesBusinessLogicContract.Setup(x => x.InsertComponent(null)).Throws(new ArgumentNullException());
+        // Act
+        var result = _adapter.InsertComponent(null);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void InsertComponent_WhenValidationError_ReturnBadRequest()
+    {
+        // Arrange
+        var supply = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.None,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = []
+        };
+        // Act
+        var result = _adapter.InsertComponent(supply);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void InsertComponent_WhenElementExistException_ReturnBadRequest()
+    {
+        // Arrange
+        var supply1 = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.None,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = []
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.InsertComponent(It.IsAny<SuppliesDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act
+        var result = _adapter.InsertComponent(supply1);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void InsertComponent_WhenStorageException_ReturnBadRequest()
+    {
+        // Arrange
+        var supply = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.Ski,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = new List<TourSuppliesBindingModel>()
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.InsertComponent(It.IsAny<SuppliesDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act
+        var result = _adapter.InsertComponent(supply);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void UpdateComponent_WhenValidData_ReturnsNoContent()
+    {
+        // Arrange
+        var supply = new SuppliesBindingModel { Id = Guid.NewGuid().ToString() };
+        _suppliesBusinessLogicContract.Setup(x => x.UpdateComponent(It.IsAny<SuppliesDataModel>()));
+        // Act
+        var result = _adapter.UpdateComponent(supply);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+    }
+
+    [Test]
+    public void UpdateComponent_WhenDataIsNull_ReturnsBadRequest()
+    {
+        // Arrange
+        var component = new SuppliesBindingModel { Id = Guid.NewGuid().ToString() };
+        _suppliesBusinessLogicContract.Setup(x => x.UpdateComponent(It.IsAny<SuppliesDataModel>())).Throws(new ElementNotFoundException(""));
+        // Act
+        var result = _adapter.UpdateComponent(component);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void UpdateComponent_WhenValidationError_ReturnBadRequest()
+    {
+        // Arrange
+        var supply = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.Ski,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = []
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.UpdateComponent(It.IsAny<SuppliesDataModel>())).Throws(new ValidationException(""));
+        // Act
+        var result = _adapter.UpdateComponent(supply);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void UpdateComponent_WhenElementNotFoundException_ReturnBadRequest()
+    {
+        // Arrange
+        var supply = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.None,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = []
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.UpdateComponent(It.IsAny<SuppliesDataModel>())).Throws(new ElementNotFoundException(""));
+        // Act
+        var result = _adapter.UpdateComponent(supply);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void UpdateComponent_WhenElementExistException_ReturnBadRequest()
+    {
+        // Arrange
+        var supply1 = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.None,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = []
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.UpdateComponent(It.IsAny<SuppliesDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act
+        var result = _adapter.UpdateComponent(supply1);
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public void UpdateComponent_WhenStorageException_ReturnBadRequest()
+    {
+        // Arrange
+        var supply = new SuppliesBindingModel
+        {
+            Id = Guid.NewGuid().ToString(),
+            TourType = TourType.Ski,
+            ProductuionDate = DateTime.Now,
+            Count = 5,
+            Tours = new List<TourSuppliesBindingModel>()
+        };
+        _suppliesBusinessLogicContract.Setup(x => x.UpdateComponent(It.IsAny<SuppliesDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act
+        var result = _adapter.UpdateComponent(supply);
+        // Assert
+        Assert.That(result.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+}

MagicCarpetProject/MagicCarpetTests/WebApiControllersTests/AgencyControllerTests.cs

@@ -0,0 +1,288 @@
+using MagicCarpetContracts.BindingModels;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.ViewModels;
+using MagicCarpetDatabase.Models;
+using MagicCarpetTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.WebApiControllersTests;
+
+[TestFixture]
+internal class AgencyControllerTests : BaseWebApiControllerTest
+{
+    private string _tourId;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _tourId = MagicCarpetDbContext.InsertTourToDatabaseAndReturn().Id;
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        MagicCarpetDbContext.RemoveToursFromDatabase();
+        MagicCarpetDbContext.RemoveAgenciesFromDatabase();
+    }
+
+    [Test]
+    public async Task GetAllAgencies_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        // Arrange
+        var agency = MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        // Act
+        var response = await HttpClient.GetAsync("/api/agency");
+        // Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<AgencyViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == agency.Id), agency);
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/agency");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<AgencyViewModel>>(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 agency = MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/agency/{agency.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<AgencyViewModel>(response), agency);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/agency/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn(tours: [(_tourId, 5)]);
+        var agency = CreateModel(tours: [(_tourId, 5)]);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/agency", MakeContent(agency));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(MagicCarpetDbContext.GetAgencyFromDatabaseById(agency.Id!), agency);
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/agency", 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($"/api/agency", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var furnitureIdIncorrect = new AgencyBindingModel { Id = "Id" };
+        var furnitureWithNameIncorrect = new AgencyBindingModel { Id = Guid.NewGuid().ToString(), TourType = TourType.None };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/agency", MakeContent(furnitureIdIncorrect));
+        var responseWithNameIncorrect = await HttpClient.PostAsync($"/api/agency", MakeContent(furnitureWithNameIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithNameIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Type is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        var agency = CreateModel(tours: [(_tourId, 5)]);
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn(agency.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/agency", MakeContent(agency));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        MagicCarpetDbContext.ChangeTracker.Clear();
+        AssertElement(MagicCarpetDbContext.GetAgencyFromDatabaseById(agency.Id!), agency);
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var furniture = CreateModel();
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/agency", MakeContent(furniture));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/agency", 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($"/api/agency", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_ShouldSuccess_Test()
+    {
+        //Arrange
+        var component = Guid.NewGuid().ToString();
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn(component);
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/agency/{component}");
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+            Assert.That(MagicCarpetDbContext.GetSaleFromDatabaseById(component), Is.Null);
+        });
+
+    }
+
+    [Test]
+    public async Task Delete_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/agency/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Delete_WhenSendWrongFormatData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.DeleteAsync($"/api/agency/id");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    private static AgencyBindingModel CreateModel(string? id = null, TourType tourType = TourType.Ski, int count = 21, List<(string, int)>? tours = null)
+    {
+        var agency = new AgencyBindingModel() { Id = id ?? Guid.NewGuid().ToString(), TourType = tourType, Count = count, Tours = [] };
+        if (tours is not null)
+        {
+            foreach (var elem in tours)
+            {
+                agency.Tours.Add(new TourAgencyBindingModel { AgencyId = agency.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        return agency;
+    }
+
+    private static void AssertElement(AgencyViewModel? actual, Agency expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static void AssertElement(Agency? actual, AgencyBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+}

MagicCarpetProject/MagicCarpetTests/WebApiControllersTests/SaleControllerTests.cs

@@ -34,6 +34,7 @@ internal class SaleControllerTests : BaseWebApiControllerTest
         MagicCarpetDbContext.RemoveEmployeesFromDatabase();
         MagicCarpetDbContext.RemoveClientsFromDatabase();
         MagicCarpetDbContext.RemoveToursFromDatabase();
+        MagicCarpetDbContext.RemoveAgenciesFromDatabase();
     }
 
     [Test]
@@ -310,6 +311,7 @@ internal class SaleControllerTests : BaseWebApiControllerTest
     public async Task Post_ShouldSuccess_Test()
     {
         //Arrange
+        MagicCarpetDbContext.InsertAgencyToDatabaseAndReturn();
         MagicCarpetDbContext.InsertSaleToDatabaseAndReturn(_employeeId, null, tours: [(_tourId, 5, 1.1)]);
         var saleModel = CreateModel(_employeeId, _clientId, _tourId);
         //Act

MagicCarpetProject/MagicCarpetTests/WebApiControllersTests/SuppliesControllerTests.cs

@@ -0,0 +1,254 @@
+using MagicCarpetContracts.BindingModels;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Enums;
+using MagicCarpetContracts.ViewModels;
+using MagicCarpetDatabase.Models;
+using MagicCarpetTests.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MagicCarpetTests.WebApiControllersTests;
+
+[TestFixture]
+internal class SuppliesControllerTests : BaseWebApiControllerTest
+{
+    private string _componentId;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _componentId = MagicCarpetDbContext.InsertTourToDatabaseAndReturn().Id;
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        MagicCarpetDbContext.RemoveToursFromDatabase();
+        MagicCarpetDbContext.RemoveSuppliesFromDatabase();
+    }
+
+    [Test]
+    public async Task GetAllWarehouses_WhenHaveRecords_ShouldSuccess_Test()
+    {
+        // Arrange
+        var supply = MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn();
+        MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn();
+        MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn();
+        // Act
+        var response = await HttpClient.GetAsync("/api/supplies");
+        // Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<SuppliesViewModel>>(response);
+        Assert.Multiple(() =>
+        {
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data, Has.Count.EqualTo(3));
+        });
+        AssertElement(data.First(x => x.Id == supply.Id), supply);
+    }
+
+    [Test]
+    public async Task GetList_WhenNoRecords_ShouldSuccess_Test()
+    {
+        //Act
+        var response = await HttpClient.GetAsync("/api/supplies");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        var data = await GetModelFromResponseAsync<List<AgencyViewModel>>(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 supplies = MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/supplies/{supplies.Id}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+        AssertElement(await GetModelFromResponseAsync<SuppliesViewModel>(response), supplies);
+    }
+
+    [Test]
+    public async Task GetElement_ById_WhenNoRecord_ShouldNotFound_Test()
+    {
+        //Arrange
+        MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.GetAsync($"/api/supplies/{Guid.NewGuid()}");
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NotFound));
+    }
+
+    [Test]
+    public async Task Post_ShouldSuccess_Test()
+    {
+        //Arrange
+        MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn(tours: [(_componentId, 5)]);
+        var supplies = CreateModel(components: [(_componentId, 5)]);
+        //Act
+        var response = await HttpClient.PostAsync($"/api/supplies", MakeContent(supplies));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        AssertElement(MagicCarpetDbContext.GetSuppliesFromDatabaseById(supplies.Id!), supplies);
+    }
+
+    [Test]
+    public async Task Post_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PostAsync($"/api/supplies", 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($"/api/supplies", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Post_WhenDataIsIncorrect_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var suppliesIdIncorrect = new SuppliesViewModel { Id = "Id", TourType = TourType.None, Tours = [] };
+        var suppliesWithTypeIncorrect = new SuppliesViewModel { Id = Guid.NewGuid().ToString(), TourType = TourType.None, Tours = [] };
+        //Act
+        var responseWithIdIncorrect = await HttpClient.PostAsync($"/api/supplies", MakeContent(suppliesIdIncorrect));
+        var responseWithTypeIncorrect = await HttpClient.PostAsync($"/api/supplies", MakeContent(suppliesWithTypeIncorrect));
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(responseWithIdIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Id is incorrect");
+            Assert.That(responseWithTypeIncorrect.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest), "Type is incorrect");
+        });
+    }
+
+    [Test]
+    public async Task Put_ShouldSuccess_Test()
+    {
+        //Arrange
+        MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn();
+        var supplies = CreateModel(components: [(_componentId, 5)]);
+        MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn(supplies.Id);
+        //Act
+        var response = await HttpClient.PutAsync($"/api/supplies", MakeContent(supplies));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.NoContent));
+        MagicCarpetDbContext.ChangeTracker.Clear();
+        AssertElement(MagicCarpetDbContext.GetSuppliesFromDatabaseById(supplies.Id!), supplies);
+    }
+
+    [Test]
+    public async Task Put_WhenNoFoundRecord_ShouldBadRequest_Test()
+    {
+        //Arrange
+        var furniture = CreateModel();
+        MagicCarpetDbContext.InsertSuppliesToDatabaseAndReturn();
+        //Act
+        var response = await HttpClient.PutAsync($"/api/supplies", MakeContent(furniture));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+    [Test]
+    public async Task Put_WhenSendEmptyData_ShouldBadRequest_Test()
+    {
+        //Act
+        var response = await HttpClient.PutAsync($"/api/supplies", 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/supplies", MakeContent(new { Data = "test", Position = 10 }));
+        //Assert
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.BadRequest));
+    }
+
+
+    private static SuppliesBindingModel CreateModel(string? id = null, TourType type = TourType.Ski, int count = 21, DateTime? date = null, List<(string, int)>? components = null)
+    {
+        var Supply = new SuppliesBindingModel() { Id = id ?? Guid.NewGuid().ToString(), TourType = type, Count = count, ProductuionDate = date ?? DateTime.UtcNow,Tours = [] };
+        if (components is not null)
+        {
+            foreach (var elem in components)
+            {
+                Supply.Tours.Add(new TourSuppliesBindingModel { SuppliesId = Supply.Id, TourId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        return Supply;
+    }
+
+    private static void AssertElement(SuppliesViewModel? actual, Supplies expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+            Assert.That(actual.ProductuionDate.Date, Is.EqualTo(expected.ProductuionDate.Date));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+
+    private static void AssertElement(Supplies? actual, SuppliesBindingModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+            Assert.That(actual.ProductuionDate.Date, Is.EqualTo(expected.ProductuionDate.Date));
+        });
+        if (expected.Tours is not null)
+        {
+            Assert.That(actual.Tours, Is.Not.Null);
+            Assert.That(actual.Tours, Has.Count.EqualTo(expected.Tours.Count));
+            for (int i = 0; i < actual.Tours.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Tours[i].TourId, Is.EqualTo(expected.Tours[i].TourId));
+                    Assert.That(actual.Tours[i].Count, Is.EqualTo(expected.Tours[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Tours, Is.Null);
+        }
+    }
+}

MagicCarpetProject/MagicCarpetWebApi/Adapters/AgencyAdapter.cs

@@ -0,0 +1,190 @@
+using AutoMapper;
+using MagicCarpetContracts.AdapterContracts;
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using MagicCarpetContracts.BusinessLogicContracts;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.ViewModels;
+
+namespace MagicCarpetWebApi.Adapters;
+
+public class AgencyAdapter : IAgencyAdapter
+{
+    private readonly IAgencyBusinessLogicContract _warehouseBusinessLogicContract;
+    private readonly ILogger<AgencyAdapter> _logger;
+    private readonly IMapper _mapper;
+
+    public AgencyAdapter(IAgencyBusinessLogicContract warehouseBusinessLogicContract, ILogger<AgencyAdapter> logger)
+    {
+        _warehouseBusinessLogicContract = warehouseBusinessLogicContract;
+        _logger = logger;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<AgencyBindingModel, AgencyDataModel>();
+            cfg.CreateMap<AgencyDataModel, AgencyViewModel>();
+            cfg.CreateMap<TourAgencyBindingModel, TourAgencyDataModel>();
+            cfg.CreateMap<TourAgencyDataModel, TourAgencyViewModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public AgencyOperationResponse GetAllComponents()
+    {
+        try
+        {
+            Console.WriteLine(_warehouseBusinessLogicContract.GetAllComponents());
+            return AgencyOperationResponse.OK([.. _warehouseBusinessLogicContract.GetAllComponents().Select(x => _mapper.Map<AgencyViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException: The list of warehouse is null");
+            return AgencyOperationResponse.NotFound("The list of warehouse is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return AgencyOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return AgencyOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public AgencyOperationResponse GetComponentByData(string data)
+    {
+        try
+        {
+            return AgencyOperationResponse.OK(_mapper.Map<AgencyViewModel>(_warehouseBusinessLogicContract.GetComponentByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException: Data is null or empty");
+            return AgencyOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException: warehouse not found");
+            return AgencyOperationResponse.NotFound($"warehouse with data '{data}' not found");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return AgencyOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return AgencyOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public AgencyOperationResponse InsertComponent(AgencyBindingModel warehouseDataModel)
+    {
+        try
+        {
+            _warehouseBusinessLogicContract.InsertComponent(_mapper.Map<AgencyDataModel>(warehouseDataModel));
+            return AgencyOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException: warehouse data is null");
+            return AgencyOperationResponse.BadRequest("furniture data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException: Invalid warehouse data");
+            return AgencyOperationResponse.BadRequest($"Invalid warehouse data: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException: warehouse already exists");
+            return AgencyOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return AgencyOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return AgencyOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public AgencyOperationResponse UpdateComponent(AgencyBindingModel warehouseDataModel)
+    {
+        try
+        {
+            _warehouseBusinessLogicContract.UpdateComponent(_mapper.Map<AgencyDataModel>(warehouseDataModel));
+            return AgencyOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException: warehouse data is null");
+            return AgencyOperationResponse.BadRequest("warehouse data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException: Invalid warehouse data");
+            return AgencyOperationResponse.BadRequest($"Invalid warehouse data: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException: warehouse not found");
+            return AgencyOperationResponse.BadRequest($"warehouse with id '{warehouseDataModel.Id}' not found");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException: warehouse already exists");
+            return AgencyOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return AgencyOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return AgencyOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public AgencyOperationResponse DeleteComponent(string id)
+    {
+        try
+        {
+            _warehouseBusinessLogicContract.DeleteComponent(id);
+            return AgencyOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException: Id is null or empty");
+            return AgencyOperationResponse.BadRequest("Id is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException: Invalid id");
+            return AgencyOperationResponse.BadRequest($"Invalid id: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException: warehouse not found");
+            return AgencyOperationResponse.BadRequest($"furniture with id '{id}' not found");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return AgencyOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return AgencyOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

MagicCarpetProject/MagicCarpetWebApi/Adapters/SuppliesAdapter.cs

@@ -0,0 +1,160 @@
+using AutoMapper;
+using MagicCarpetContracts.AdapterContracts;
+using MagicCarpetContracts.AdapterContracts.OperationResponses;
+using MagicCarpetContracts.BindingModels;
+using MagicCarpetContracts.BusinessLogicContracts;
+using MagicCarpetContracts.DataModels;
+using MagicCarpetContracts.Exceptions;
+using MagicCarpetContracts.ViewModels;
+
+namespace MagicCarpetWebApi.Adapters;
+
+public class SuppliesAdapter : ISuppliesAdapter
+{
+    private readonly ISuppliesBusinessLogicContract _suppliesBusinessLogicContract;
+    private readonly ILogger<SuppliesAdapter> _logger;
+    private readonly IMapper _mapper;
+
+    public SuppliesAdapter(ISuppliesBusinessLogicContract suppliesBusinessLogicContract,
+                         ILogger<SuppliesAdapter> logger)
+    {
+        _suppliesBusinessLogicContract = suppliesBusinessLogicContract;
+        _logger = logger;
+
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<SuppliesBindingModel, SuppliesDataModel>();
+            cfg.CreateMap<SuppliesDataModel, SuppliesViewModel>();
+            cfg.CreateMap<TourSuppliesBindingModel, TourSuppliesDataModel>();
+            cfg.CreateMap<TourSuppliesDataModel, TourSuppliesViewModel>();
+        });
+
+        _mapper = new Mapper(config);
+    }
+
+    public SuppliesOperationResponse GetAllComponents()
+    {
+        try
+        {
+            return SuppliesOperationResponse.OK([.. _suppliesBusinessLogicContract.GetAllComponents().Select(x => _mapper.Map<SuppliesViewModel>(x))]);
+        }
+        catch (NullListException)
+        {
+            _logger.LogError("NullListException: The list of supplies is null");
+            return SuppliesOperationResponse.NotFound("The list of supplies is not initialized");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return SuppliesOperationResponse.InternalServerError($"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return SuppliesOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SuppliesOperationResponse GetComponentByData(string data)
+    {
+        try
+        {
+            return SuppliesOperationResponse.OK(_mapper.Map<SuppliesViewModel>(_suppliesBusinessLogicContract.GetComponentByData(data)));
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException: Data is null or empty");
+            return SuppliesOperationResponse.BadRequest("Data is empty");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException: Component not found");
+            return SuppliesOperationResponse.NotFound($"Component with data '{data}' not found");
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return SuppliesOperationResponse.InternalServerError(
+                $"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return SuppliesOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SuppliesOperationResponse InsertComponent(SuppliesBindingModel componentDataModel)
+    {
+        try
+        {
+            _suppliesBusinessLogicContract.InsertComponent(_mapper.Map<SuppliesDataModel>(componentDataModel));
+            return SuppliesOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException: Component data is null");
+            return SuppliesOperationResponse.BadRequest("Component data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException: Invalid component data");
+            return SuppliesOperationResponse.BadRequest($"Invalid component data: {ex.Message}");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException: Component already exists");
+            return SuppliesOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return SuppliesOperationResponse.BadRequest(
+                $"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return SuppliesOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+
+    public SuppliesOperationResponse UpdateComponent(SuppliesBindingModel componentModel)
+    {
+        try
+        {
+            _suppliesBusinessLogicContract.UpdateComponent(_mapper.Map<SuppliesDataModel>(componentModel));
+            return SuppliesOperationResponse.NoContent();
+        }
+        catch (ArgumentNullException ex)
+        {
+            _logger.LogError(ex, "ArgumentNullException: Component data is null");
+            return SuppliesOperationResponse.BadRequest("Component data is empty");
+        }
+        catch (ValidationException ex)
+        {
+            _logger.LogError(ex, "ValidationException: Invalid component data");
+            return SuppliesOperationResponse.BadRequest($"Invalid component data: {ex.Message}");
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _logger.LogError(ex, "ElementNotFoundException: Component not found");
+            return SuppliesOperationResponse.BadRequest($"Component with id '{componentModel.Id}' not found");
+        }
+        catch (ElementExistsException ex)
+        {
+            _logger.LogError(ex, "ElementExistsException: Component already exists");
+            return SuppliesOperationResponse.BadRequest(ex.Message);
+        }
+        catch (StorageException ex)
+        {
+            _logger.LogError(ex, "StorageException: Error while working with data storage");
+            return SuppliesOperationResponse.BadRequest($"Error while working with data storage: {ex.InnerException?.Message}");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Exception: An unexpected error occurred");
+            return SuppliesOperationResponse.InternalServerError(ex.Message);
+        }
+    }
+}

MagicCarpetProject/MagicCarpetWebApi/Controllers/AgencyController.cs

@@ -0,0 +1,49 @@
+using MagicCarpetContracts.AdapterContracts;
+using MagicCarpetContracts.BindingModels;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace MagicCarpetWebApi.Controllers;
+
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class AgencyController(IAgencyAdapter adapter) : ControllerBase
+{
+    private readonly IAgencyAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetAll()
+    {
+        return _adapter.GetAllComponents().GetResponse(Request, Response);
+    }
+
+    [HttpGet("{data}")]
+    public IActionResult GetComponentByData(string data)
+    {
+        return _adapter.GetComponentByData(data).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Register([FromBody] AgencyBindingModel agencyBindingModel)
+    {
+        return _adapter.InsertComponent(agencyBindingModel).GetResponse(Request, Response);
+    }
+
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] AgencyBindingModel agencyBindingModel)
+    {
+        return _adapter.UpdateComponent(agencyBindingModel).GetResponse(Request, Response);
+    }
+
+    [HttpDelete("{id}")]
+    public IActionResult DeleteComponent(string id)
+    {
+        if (string.IsNullOrEmpty(id))
+            return BadRequest("Id is null or empty");
+
+        return _adapter.DeleteComponent(id).GetResponse(Request, Response);
+    }
+}

MagicCarpetProject/MagicCarpetWebApi/Controllers/SuppliesController.cs

@@ -0,0 +1,40 @@
+using MagicCarpetContracts.AdapterContracts;
+using MagicCarpetContracts.BindingModels;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace MagicCarpetWebApi.Controllers;
+
+[Authorize]
+[Route("api/[controller]")]
+[ApiController]
+[Produces("application/json")]
+public class SuppliesController(ISuppliesAdapter adapter) : ControllerBase
+{
+    private readonly ISuppliesAdapter _adapter = adapter;
+
+    [HttpGet]
+    public IActionResult GetAll()
+    {
+        return _adapter.GetAllComponents().GetResponse(Request, Response);
+    }
+
+    [HttpGet("{data}")]
+    public IActionResult GetComponentByData(string data)
+    {
+        return _adapter.GetComponentByData(data).GetResponse(Request, Response);
+    }
+
+    [HttpPost]
+    public IActionResult Register([FromBody] SuppliesBindingModel suppliesBindingModel)
+    {
+        return _adapter.InsertComponent(suppliesBindingModel).GetResponse(Request, Response);
+    }
+
+    [HttpPut]
+    public IActionResult ChangeInfo([FromBody] SuppliesBindingModel suppliesBindingModel)
+    {
+        return _adapter.UpdateComponent(suppliesBindingModel).GetResponse(Request, Response);
+    }
+}

MagicCarpetProject/MagicCarpetWebApi/Program.cs

@@ -1,6 +1,7 @@
 using MagicCarpetBusinessLogic.Implementations;
 using MagicCarpetContracts.AdapterContracts;
 using MagicCarpetContracts.BuisnessLogicContracts;
+using MagicCarpetContracts.BusinessLogicContracts;
 using MagicCarpetContracts.Infrastructure;
 using MagicCarpetContracts.StoragesContracts;
 using MagicCarpetDatabase;
@@ -56,6 +57,8 @@ builder.Services.AddTransient<ITourBusinessLogicContract, TourBusinessLogicContr
 builder.Services.AddTransient<ISalaryBusinessLogicContract, SalaryBusinessLogicContract>();
 builder.Services.AddTransient<ISaleBusinessLogicContract, SaleBusinessLogicContract>();
 builder.Services.AddTransient<IEmployeeBusinessLogicContract, EmployeeBusinessLogicContract>();
+builder.Services.AddTransient<IAgencyBusinessLogicContract, AgencyBusinessLogicContract>();
+builder.Services.AddTransient<ISuppliesBusinessLogicContract, SuppliesBusinessLogicContract>();
 
 builder.Services.AddTransient<MagicCarpetDbContext>();
 builder.Services.AddTransient<IClientStorageContract, ClientStorageContract>();
@@ -64,6 +67,8 @@ builder.Services.AddTransient<ITourStorageContract, TourStorageContract>();
 builder.Services.AddTransient<ISalaryStorageContract, SalaryStorageContract>();
 builder.Services.AddTransient<ISaleStorageContract, SaleStorageContract>();
 builder.Services.AddTransient<IEmployeeStorageContract, EmployeeStorageContract>();
+builder.Services.AddTransient<IAgencyStorageContract, AgencyStorageContract>();
+builder.Services.AddTransient<ISuppliesStorageContract, SuppliesStorageContract>();
 
 builder.Services.AddTransient<IClientAdapter, ClientAdapter>();
 builder.Services.AddTransient<IPostAdapter, PostAdapter>();
@@ -71,6 +76,8 @@ builder.Services.AddTransient<ITourAdapter, TourAdapter>();
 builder.Services.AddTransient<ISaleAdapter, SaleAdapter>();
 builder.Services.AddTransient<IEmployeeAdapter, EmployeeAdapter>();
 builder.Services.AddTransient<ISalaryAdapter, SalaryAdapter>();
+builder.Services.AddTransient<IAgencyAdapter, AgencyAdapter>();
+builder.Services.AddTransient<ISuppliesAdapter, SuppliesAdapter>();
 
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddOpenApi();