правка проверки и списания компонент

FurnitureAssembly/FurnitureAssemblyBusinessLogic/Implementations/FurnitureBusinessLogicContract.cs

@@ -8,9 +8,10 @@ using System.Text.Json;
 
 namespace FurnitureAssemblyBusinessLogic.Implementations;
 
-internal class FurnitureBusinessLogicContract(IFurnitureStorageContract furnitureStorageContract, ILogger logger) : IFurnitureBusinessLogicContract
+internal class FurnitureBusinessLogicContract(IFurnitureStorageContract furnitureStorageContract, IWarehouseStorageContract warehouseStorageContract, ILogger logger) : IFurnitureBusinessLogicContract
 {
     IFurnitureStorageContract _furnitureStorageContract = furnitureStorageContract;
+    IWarehouseStorageContract _warehouseStorageContract = warehouseStorageContract;
     private readonly ILogger _logger = logger;
 
     public List<FurnitureDataModel> GetAllFurnitures()
@@ -38,6 +39,10 @@ internal class FurnitureBusinessLogicContract(IFurnitureStorageContract furnitur
         _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(furnitureDataModel));
         ArgumentNullException.ThrowIfNull(furnitureDataModel);
         furnitureDataModel.Validate();
+        if (!_warehouseStorageContract.CheckComponents(furnitureDataModel))
+        {
+            throw new InsufficientException("Dont have component in warehouse");
+        }
         _furnitureStorageContract.AddElement(furnitureDataModel);
     }
 
@@ -46,6 +51,10 @@ internal class FurnitureBusinessLogicContract(IFurnitureStorageContract furnitur
         _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(furnitureDataModel));
         ArgumentNullException.ThrowIfNull(furnitureDataModel);
         furnitureDataModel.Validate();
+        if (!_warehouseStorageContract.CheckComponents(furnitureDataModel))
+        {
+            throw new InsufficientException("Dont have component in warehouse");
+        }
         _furnitureStorageContract.UpdElement(furnitureDataModel);
     }
 

FurnitureAssembly/FurnitureAssemblyBusinessLogic/Implementations/SuppliesBusinessLogicContract.cs

@@ -0,0 +1,52 @@
+using FurnitureAssemblyContracts.BusinessLogicsContracts;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.Extentions;
+using FurnitureAssemblyContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace FurnitureAssemblyBusinessLogic.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();      
+    }
+
+    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);      
+    }
+
+    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);
+    }
+}

FurnitureAssembly/FurnitureAssemblyBusinessLogic/Implementations/WarehouseBusinessLogicContract.cs

@@ -0,0 +1,65 @@
+using FurnitureAssemblyContracts.BusinessLogicsContracts;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.Extentions;
+using FurnitureAssemblyContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace FurnitureAssemblyBusinessLogic.Implementations;
+
+public class WarehouseBusinessLogicContract(IWarehouseStorageContract warehouseStorageContract, ILogger logger) : IWarehouseBusinessLogicContract
+{
+    private readonly IWarehouseStorageContract _warehouseStorageContract = warehouseStorageContract;
+    private readonly ILogger _logger = logger;
+    public List<WarehouseDataModel> GetAllComponents()
+    {
+        _logger.LogInformation("GetAllComponents");
+        return _warehouseStorageContract.GetList() ?? throw new NullListException();
+    }
+
+    public WarehouseDataModel 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 _warehouseStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+    }
+
+    public void InsertComponent(WarehouseDataModel warehouseDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(warehouseDataModel));
+        ArgumentNullException.ThrowIfNull(warehouseDataModel);
+        warehouseDataModel.Validate();
+        _warehouseStorageContract.AddElement(warehouseDataModel);
+    }
+
+    public void UpdateComponent(WarehouseDataModel warehouseDataModel)
+    {
+        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(warehouseDataModel));
+        ArgumentNullException.ThrowIfNull(warehouseDataModel);
+        warehouseDataModel.Validate();
+        _warehouseStorageContract.UpdElement(warehouseDataModel);
+    }
+
+    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");
+        }
+        _warehouseStorageContract.DelElement(id);
+    }
+}

FurnitureAssembly/FurnitureAssemblyContracts/BusinessLogicsContracts/ISuppliesBusinessLogicContract.cs

@@ -0,0 +1,11 @@
+using FurnitureAssemblyContracts.DataModels;
+
+namespace FurnitureAssemblyContracts.BusinessLogicsContracts;
+
+public interface ISuppliesBusinessLogicContract
+{
+    List<SuppliesDataModel> GetAllComponents();
+    SuppliesDataModel GetComponentByData(string data);
+    void InsertComponent(SuppliesDataModel componentDataModel);
+    void UpdateComponent(SuppliesDataModel componentDataModel);
+}

FurnitureAssembly/FurnitureAssemblyContracts/BusinessLogicsContracts/IWarehouseBusinessLogicContract.cs

@@ -0,0 +1,12 @@
+using FurnitureAssemblyContracts.DataModels;
+
+namespace FurnitureAssemblyContracts.BusinessLogicsContracts;
+
+public interface IWarehouseBusinessLogicContract
+{
+    List<WarehouseDataModel> GetAllComponents();
+    WarehouseDataModel GetComponentByData(string data);
+    void InsertComponent(WarehouseDataModel warehouseDataModel);
+    void UpdateComponent(WarehouseDataModel warehouseDataModel);
+    void DeleteComponent(string id);
+}

FurnitureAssembly/FurnitureAssemblyContracts/DataModels/ComponentSuppliesDataModel.cs

@@ -0,0 +1,26 @@
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.Extentions;
+using FurnitureAssemblyContracts.Infrastructure;
+
+namespace FurnitureAssemblyContracts.DataModels;
+
+public class ComponentSuppliesDataModel(string suppliesId, string componentId, int count) : IValidation
+{
+    public string SuppliesId { get; private set; } = suppliesId;
+    public string ComponentId { get; private set; } = componentId;
+    public int Count { get; private set; } = count;
+
+    public void Validate()
+    {
+        if (SuppliesId.IsEmpty())
+            throw new ValidationException("Field FurnitureId is empty");
+        if (!SuppliesId.IsGuid())
+            throw new ValidationException("The value in the field FurnitureId is not a unique identifier");
+        if (ComponentId.IsEmpty())
+            throw new ValidationException("Field ComponentId is empty");
+        if (!ComponentId.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");
+    }
+}

FurnitureAssembly/FurnitureAssemblyContracts/DataModels/ComponentWarehouseDataModel.cs

@@ -0,0 +1,26 @@
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.Extentions;
+using FurnitureAssemblyContracts.Infrastructure;
+
+namespace FurnitureAssemblyContracts.DataModels;
+
+public class ComponentWarehouseDataModel(string warehouseId, string componentId, int count) : IValidation
+{
+    public string WarehouseId { get; private set; } = warehouseId;
+    public string ComponentId { get; private set; } = componentId;
+    public int Count { get; private set; } = count;
+
+    public void Validate()
+    {
+        if (WarehouseId.IsEmpty())
+            throw new ValidationException("Field WarehouseId is empty");
+        if (!WarehouseId.IsGuid())
+            throw new ValidationException("The value in the field WarehouseId is not a unique identifier");
+        if (ComponentId.IsEmpty())
+            throw new ValidationException("Field ComponentId is empty");
+        if (!ComponentId.IsGuid())
+            throw new ValidationException("The value in the field ComponentId is not a unique identifier");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+    }
+}

FurnitureAssembly/FurnitureAssemblyContracts/DataModels/SuppliesDataModel.cs

@@ -0,0 +1,29 @@
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.Extentions;
+using FurnitureAssemblyContracts.Infrastructure;
+
+namespace FurnitureAssemblyContracts.DataModels;
+
+public class SuppliesDataModel(string id, ComponentType type, DateTime productuionDate, int count, List<ComponentSuppliesDataModel> components) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public ComponentType Type { get; private set; } = type;
+    public DateTime ProductuionDate { get; private set; } = productuionDate;
+    public int Count { get; private set; } = count;
+    public List<ComponentSuppliesDataModel> Components { get; private set; } = components;
+
+    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 (Type == ComponentType.None)
+            throw new ValidationException("Field Type is empty");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+        if ((Components?.Count ?? 0) == 0)
+            throw new ValidationException("The component must include supplies");
+    }
+}

FurnitureAssembly/FurnitureAssemblyContracts/DataModels/WarehouseDataModel.cs

@@ -0,0 +1,28 @@
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.Extentions;
+using FurnitureAssemblyContracts.Infrastructure;
+
+namespace FurnitureAssemblyContracts.DataModels;
+
+public class WarehouseDataModel(string id, ComponentType type, int count, List<ComponentWarehouseDataModel> components) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public ComponentType Type { get; private set; } = type;
+    public int Count { get; private set; } = count;
+    public List<ComponentWarehouseDataModel> Components { get; private set; } = components;
+
+    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 (Type == ComponentType.None)
+            throw new ValidationException("Field Type is empty");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+        if ((Components?.Count ?? 0) == 0)
+            throw new ValidationException("The component must include supplies");
+    }
+}

FurnitureAssembly/FurnitureAssemblyContracts/Exceptions/InsufficientException.cs

@@ -0,0 +1,5 @@
+namespace FurnitureAssemblyContracts.Exceptions;
+
+public class InsufficientException(string message) : Exception(message)
+{
+}

FurnitureAssembly/FurnitureAssemblyContracts/StoragesContracts/ISuppliesStorageContract.cs

@@ -0,0 +1,11 @@
+using FurnitureAssemblyContracts.DataModels;
+
+namespace FurnitureAssemblyContracts.StoragesContracts;
+
+public interface ISuppliesStorageContract
+{
+    List<SuppliesDataModel> GetList(DateTime? startDate = null);
+    SuppliesDataModel GetElementById(string id);
+    void AddElement(SuppliesDataModel suppliesDataModel);
+    void UpdElement(SuppliesDataModel suppliesDataModel);
+}

FurnitureAssembly/FurnitureAssemblyContracts/StoragesContracts/IWarehouseStorageContract.cs

@@ -0,0 +1,13 @@
+using FurnitureAssemblyContracts.DataModels;
+
+namespace FurnitureAssemblyContracts.StoragesContracts;
+
+public interface IWarehouseStorageContract
+{
+    List<WarehouseDataModel> GetList();
+    WarehouseDataModel GetElementById(string id);
+    void AddElement(WarehouseDataModel warehouseDataModel);
+    void UpdElement(WarehouseDataModel warehouseDataModel);
+    void DelElement(string id);
+    bool CheckComponents(FurnitureDataModel furnitureDataModel);
+}

FurnitureAssembly/FurnitureAssemblyDatebase/FurnitureAssemblyDbContext.cs

@@ -33,6 +33,10 @@ public class FurnitureAssemblyDbContext(IConfigurationDatabase configurationData
             .IsUnique()
             .HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
 
+        modelBuilder.Entity<ComponentSupplies>().HasKey(x => new { x.SuppliesId, x.ComponentId });
+
+        modelBuilder.Entity<ComponentWarehouse>().HasKey(x => new { x.WarehouseId, x.ComponentId });
+
         modelBuilder.Entity<FurnitureComponent>().HasKey(x => new { x.FurnitureId, x.ComponentId });
 
         modelBuilder.Entity<FurnitureComponent>()
@@ -49,4 +53,8 @@ public class FurnitureAssemblyDbContext(IConfigurationDatabase configurationData
     public DbSet<Furniture> Furnitures { get; set; }
     public DbSet<FurnitureComponent> FurnitureComponents { get; set; }
     public DbSet<Worker> Workers { get; set; }
+    public DbSet<Supplies> Supplieses { get; set; }
+    public DbSet<Warehouse> Warehouses { get; set; }
+    public DbSet<ComponentSupplies> ComponentSupplieses { get; set; }
+    public DbSet<ComponentWarehouse> ComponentWarehouses { get; set; }
 }

FurnitureAssembly/FurnitureAssemblyDatebase/Implementations/SuppliesStorageContract.cs

@@ -0,0 +1,84 @@
+using AutoMapper;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyDatebase.Models;
+namespace FurnitureAssemblyDatebase.Implementations;
+
+public class SuppliesStorageContract : ISuppliesStorageContract
+{
+    private readonly FurnitureAssemblyDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public SuppliesStorageContract(FurnitureAssemblyDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.AddMaps(typeof(Supplies));
+        });
+        _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);
+}

FurnitureAssembly/FurnitureAssemblyDatebase/Implementations/WarehouseStorageContract.cs

@@ -0,0 +1,134 @@
+using AutoMapper;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyDatebase.Models;
+
+namespace FurnitureAssemblyDatebase.Implementations;
+
+public class WarehouseStorageContract : IWarehouseStorageContract
+{
+    private readonly FurnitureAssemblyDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public WarehouseStorageContract(FurnitureAssemblyDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.AddMaps(typeof(Warehouse));
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<WarehouseDataModel> GetList()
+    {
+        try
+        {
+            return [.. _dbContext.Warehouses.Select(x => _mapper.Map<WarehouseDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public WarehouseDataModel GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<WarehouseDataModel>(GetWarehouseById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(WarehouseDataModel warehouseDataModel)
+    {
+        try
+        {
+            _dbContext.Warehouses.Add(_mapper.Map<Warehouse>(warehouseDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(WarehouseDataModel warehouseDataModel)
+    {
+        try
+        {
+            var element = GetWarehouseById(warehouseDataModel.Id) ?? throw new ElementNotFoundException(warehouseDataModel.Id);
+            _dbContext.Warehouses.Update(_mapper.Map(warehouseDataModel, 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 = GetWarehouseById(id) ?? throw new ElementNotFoundException(id);
+            _dbContext.Warehouses.Remove(element);
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public bool CheckComponents(FurnitureDataModel furnitureDataModel)
+    {
+        using (var transaction = _dbContext.Database.BeginTransaction())
+        {
+            foreach (FurnitureComponentDataModel furniture_component in furnitureDataModel.Components)
+            {
+                var component = _dbContext.Components.FirstOrDefault(x => x.Id == furniture_component.ComponentId);
+                var warehouse = _dbContext.Warehouses.FirstOrDefault(x => x.Type == component.Type && x.Count >= furniture_component.Count);
+
+                if (warehouse == null)
+                {
+                    transaction.Rollback();
+                    return false;
+                }
+                if (warehouse.Count - furniture_component.Count == 0)
+                {
+                    DelElement(warehouse.Id);
+                }
+                else
+                {
+                    warehouse.Count -= furniture_component.Count;
+                }
+            }
+            transaction.Commit();
+            _dbContext.SaveChanges();
+            return true;
+        }
+    }
+
+    private Warehouse? GetWarehouseById(string id) => _dbContext.Warehouses.FirstOrDefault(x => x.Id == id);  
+}

FurnitureAssembly/FurnitureAssemblyDatebase/Models/Component.cs

@@ -15,4 +15,8 @@ public class Component
     public required ComponentType Type { get; set; }
     [ForeignKey("ComponentId")]
     public List<FurnitureComponent>? FurnitureComponents { get; set; }
+    [ForeignKey("SuppliesesId")]
+    public List<ComponentSupplies>? ComponentSupplies { get; set; }
+    [ForeignKey("WarehousesId")]
+    public List<ComponentWarehouse>? ComponentWarehouse { get; set; }
 }

FurnitureAssembly/FurnitureAssemblyDatebase/Models/ComponentSupplies.cs

@@ -0,0 +1,14 @@
+using AutoMapper;
+using FurnitureAssemblyContracts.DataModels;
+
+namespace FurnitureAssemblyDatebase.Models;
+
+[AutoMap(typeof(ComponentSuppliesDataModel), ReverseMap = true)]
+public class ComponentSupplies
+{
+    public required string SuppliesId { get; set; }
+    public required string ComponentId { get; set; }
+    public int Count { get; set; }
+    public Supplies? Supplies { get; set; }
+    public Component? Components { get; set; }
+}

FurnitureAssembly/FurnitureAssemblyDatebase/Models/ComponentWarehouse.cs

@@ -0,0 +1,14 @@
+using AutoMapper;
+using FurnitureAssemblyContracts.DataModels;
+
+namespace FurnitureAssemblyDatebase.Models;
+
+[AutoMap(typeof(ComponentWarehouseDataModel), ReverseMap = true)]
+public class ComponentWarehouse
+{
+    public required string WarehouseId { get; set; }
+    public required string ComponentId { get; set; }
+    public int Count { get; set; }
+    public Warehouse? Warehouses { get; set; }
+    public Component? Components { get; set; }
+}

FurnitureAssembly/FurnitureAssemblyDatebase/Models/Supplies.cs

@@ -0,0 +1,18 @@
+using AutoMapper;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace FurnitureAssemblyDatebase.Models;
+
+[AutoMap(typeof(SuppliesDataModel), ReverseMap = true)]
+public class Supplies
+{
+    public required string Id { get; set; }
+    public required ComponentType Type { get; set; }
+    public DateTime ProductuionDate { get; set; }
+    public required int Count { get; set; }
+
+    [ForeignKey("SuppliesId")]
+    public List<ComponentSupplies>? Components { get; set; }
+}

FurnitureAssembly/FurnitureAssemblyDatebase/Models/Warehouse.cs

@@ -0,0 +1,17 @@
+using AutoMapper;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace FurnitureAssemblyDatebase.Models;
+
+[AutoMap(typeof(WarehouseDataModel), ReverseMap = true)]
+public class Warehouse
+{
+    public required string Id { get; set; }
+    public required ComponentType Type { get; set; }
+    public required int Count { get; set; }
+
+    [ForeignKey("WarehouseId")]
+    public List<ComponentWarehouse>? Components { get; set; }
+}

FurnitureAssembly/FurnitureAssemblyTests/BusinessLogicContractsTests/FurnitureBusinessLogicContractTests.cs

@@ -11,18 +11,21 @@ namespace FurnitureAssemblyTests.BusinessLogicContractsTests;
 public class FurnitureBusinessLogicContractTests
 {
     private IFurnitureBusinessLogicContract _furnitureBusinessLogicContract;
+    private Mock<IWarehouseStorageContract> _warehouseStorageContract;
     private Mock<IFurnitureStorageContract> _furnitureStorageContract;
 
     [OneTimeSetUp]
     public void OneTimeSetUp()
     {
         _furnitureStorageContract = new Mock<IFurnitureStorageContract>();
-        _furnitureBusinessLogicContract = new FurnitureBusinessLogicContract(_furnitureStorageContract.Object, new Mock<ILogger>().Object);
+        _warehouseStorageContract = new Mock<IWarehouseStorageContract>();
+        _furnitureBusinessLogicContract = new FurnitureBusinessLogicContract(_furnitureStorageContract.Object, _warehouseStorageContract.Object, new Mock<ILogger>().Object);
     }
 
     [TearDown]
     public void TearDown()
     {
+        _warehouseStorageContract.Reset();
         _furnitureStorageContract.Reset();
     }
 
@@ -154,6 +157,7 @@ public class FurnitureBusinessLogicContractTests
         //Arrange
         var flag = false;
         var record = new FurnitureDataModel(Guid.NewGuid().ToString(), "name", 10, [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(true);
         _furnitureStorageContract.Setup(x => x.AddElement(It.IsAny<FurnitureDataModel>())).Callback((FurnitureDataModel x) =>
         {
             flag = x.Id == record.Id && x.Name == record.Name;
@@ -161,6 +165,7 @@ public class FurnitureBusinessLogicContractTests
         //Act
         _furnitureBusinessLogicContract.InsertFurniture(record);
         //Assert
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
         _furnitureStorageContract.Verify(x => x.AddElement(It.IsAny<FurnitureDataModel>()), Times.Once); 
         Assert.That(flag);
     }
@@ -169,10 +174,12 @@ public class FurnitureBusinessLogicContractTests
     public void InsertFurnitures_RecordWithExistsData_ThrowException_Test()
     {
         //Arrange
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(true);
         _furnitureStorageContract.Setup(x => x.AddElement(It.IsAny<FurnitureDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
         Assert.That(() => _furnitureBusinessLogicContract.InsertFurniture(new(Guid.NewGuid().ToString(), "name", 10, 
             [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
         _furnitureStorageContract.Verify(x => x.AddElement(It.IsAny<FurnitureDataModel>()), Times.Once);
     }
 
@@ -197,19 +204,34 @@ public class FurnitureBusinessLogicContractTests
     public void InsertFurnitures_StorageThrowError_ThrowException_Test()
     {
         //Arrange
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(true);
         _furnitureStorageContract.Setup(x => x.AddElement(It.IsAny<FurnitureDataModel>())).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
         Assert.That(() => _furnitureBusinessLogicContract.InsertFurniture(new(Guid.NewGuid().ToString(), "name", 10, 
             [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
         _furnitureStorageContract.Verify(x => x.AddElement(It.IsAny<FurnitureDataModel>()), Times.Once);
     }
 
+    [Test]
+    public void InsertFurniture_InsufficientError_ThrowException_Test()
+    {
+        //Arrange
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(false);
+        Assert.That(() => _furnitureBusinessLogicContract.InsertFurniture(new FurnitureDataModel(Guid.NewGuid().ToString(), "name", 10,
+            [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<InsufficientException>());
+        //Act&Assert
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
+        _furnitureStorageContract.Verify(x => x.UpdElement(It.IsAny<FurnitureDataModel>()), Times.Never);
+    }
+
     [Test]
     public void UpdateFurnitures_CorrectRecord_Test()
     {
         //Arrange
         var flag = false;
         var record = new FurnitureDataModel(Guid.NewGuid().ToString(), "name", 10, [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(true);
         _furnitureStorageContract.Setup(x => x.UpdElement(It.IsAny<FurnitureDataModel>())).Callback((FurnitureDataModel x) =>
         {
             flag = x.Id == record.Id && x.Name == record.Name;
@@ -217,6 +239,7 @@ public class FurnitureBusinessLogicContractTests
         //Act
         _furnitureBusinessLogicContract.UpdateFurniture(record);
         //Assert
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
         _furnitureStorageContract.Verify(x => x.UpdElement(It.IsAny<FurnitureDataModel>()), Times.Once);
         Assert.That(flag);
     }
@@ -225,10 +248,12 @@ public class FurnitureBusinessLogicContractTests
     public void UpdateFurnitures_RecordWithIncorrectData_ThrowException_Test()
     {
         //Arrange
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(true);
         _furnitureStorageContract.Setup(x => x.UpdElement(It.IsAny<FurnitureDataModel>())).Throws(new ElementNotFoundException(""));
         //Act&Assert
         Assert.That(() => _furnitureBusinessLogicContract.UpdateFurniture(new(Guid.NewGuid().ToString(), "name", 10, 
             [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementNotFoundException>());
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
         _furnitureStorageContract.Verify(x => x.UpdElement(It.IsAny<FurnitureDataModel>()), Times.Once);
     }
 
@@ -236,10 +261,12 @@ public class FurnitureBusinessLogicContractTests
     public void UpdateFurnitures_RecordWithExistsData_ThrowException_Test()
     {
         //Arrange
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(true);
         _furnitureStorageContract.Setup(x => x.UpdElement(It.IsAny<FurnitureDataModel>())).Throws(new ElementExistsException("Data", "Data"));
         //Act&Assert
         Assert.That(() => _furnitureBusinessLogicContract.UpdateFurniture(new(Guid.NewGuid().ToString(), "name", 10, 
             [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
         _furnitureStorageContract.Verify(x => x.UpdElement(It.IsAny<FurnitureDataModel>()), Times.Once);
     }
 
@@ -264,13 +291,27 @@ public class FurnitureBusinessLogicContractTests
     public void UpdateFurnitures_StorageThrowError_ThrowException_Test()
     {
         //Arrange
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(true);
         _furnitureStorageContract.Setup(x => x.UpdElement(It.IsAny<FurnitureDataModel>())).Throws(new StorageException(new InvalidOperationException()));
         //Act&Assert
         Assert.That(() => _furnitureBusinessLogicContract.UpdateFurniture(new(Guid.NewGuid().ToString(), "name", 10, 
             [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),5)])), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
         _furnitureStorageContract.Verify(x => x.UpdElement(It.IsAny<FurnitureDataModel>()), Times.Once);
     }
 
+    [Test]
+    public void UpdateFurniture_InsufficientError_ThrowException_Test()
+    {
+        //Arrange
+        _warehouseStorageContract.Setup(x => x.CheckComponents(It.IsAny<FurnitureDataModel>())).Returns(false);
+        //Act&Assert
+        Assert.That(() => _furnitureBusinessLogicContract.UpdateFurniture(new(Guid.NewGuid().ToString(), "name", 10,
+            [new FurnitureComponentDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<InsufficientException>());
+        _warehouseStorageContract.Verify(x => x.CheckComponents(It.IsAny<FurnitureDataModel>()), Times.Once);
+        _furnitureStorageContract.Verify(x => x.UpdElement(It.IsAny<FurnitureDataModel>()), Times.Never);
+    }
+
     [Test]
     public void DeleteFurnitures_CorrectRecord_Test()
     {

FurnitureAssembly/FurnitureAssemblyTests/BusinessLogicContractsTests/SuppliesBusinessLogicContractTests.cs

@@ -0,0 +1,238 @@
+using FurnitureAssemblyBusinessLogic.Implementations;
+using FurnitureAssemblyContracts.BusinessLogicsContracts;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace FurnitureAssemblyTests.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(), ComponentType.Panel, DateTime.Now, 1, []),
+            new(Guid.NewGuid().ToString(), ComponentType.Panel, DateTime.Now, 1, []),
+            new(Guid.NewGuid().ToString(), ComponentType.Panel, 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, ComponentType.Panel, 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(), ComponentType.Panel, DateTime.Now, 1,
+            [new ComponentSuppliesDataModel(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(), ComponentType.Panel, DateTime.Now, 1,
+            [new ComponentSuppliesDataModel(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", ComponentType.Panel, 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(), ComponentType.Panel, DateTime.Now, 1,
+            [new ComponentSuppliesDataModel(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(), ComponentType.Panel, DateTime.Now, 1,
+            [new ComponentSuppliesDataModel(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(), ComponentType.Panel, DateTime.Now, 1,
+            [new ComponentSuppliesDataModel(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(), ComponentType.Panel, DateTime.Now, 1,
+            [new ComponentSuppliesDataModel(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(), ComponentType.Panel, 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(), ComponentType.Panel, DateTime.Now, 1,
+            [new ComponentSuppliesDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _suppliesStorageContract.Verify(x => x.UpdElement(It.IsAny<SuppliesDataModel>()), Times.Once);
+    }
+}

FurnitureAssembly/FurnitureAssemblyTests/BusinessLogicContractsTests/WarehouseBusinessLogicContractTests.cs

@@ -0,0 +1,291 @@
+using FurnitureAssemblyBusinessLogic.Implementations;
+using FurnitureAssemblyContracts.BusinessLogicsContracts;
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyContracts.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace FurnitureAssemblyTests.BusinessLogicContractsTests;
+
+[TestFixture]
+internal class WarehouseBusinessLogicContractTests
+{
+    private IWarehouseBusinessLogicContract _warehouseBusinessLogicContract;
+    private Mock<IWarehouseStorageContract> _warehouseStorageContract;
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _warehouseStorageContract = new Mock<IWarehouseStorageContract>();
+        _warehouseBusinessLogicContract = new WarehouseBusinessLogicContract(_warehouseStorageContract.Object, new Mock<ILogger>().Object);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        _warehouseStorageContract.Reset();
+    }
+
+    public void GetAllSupplies_ReturnListOfRecords_Test()
+    {
+        // Arrange
+        var listOriginal = new List<WarehouseDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), ComponentType.Panel, 1, []),
+            new(Guid.NewGuid().ToString(), ComponentType.Panel, 1, []),
+            new(Guid.NewGuid().ToString(), ComponentType.Panel, 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<WarehouseDataModel>)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 WarehouseDataModel(id, ComponentType.Panel, 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 WarehouseDataModel(Guid.NewGuid().ToString(), ComponentType.Panel, 1,
+            [new ComponentWarehouseDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _warehouseStorageContract.Setup(x => x.AddElement(It.IsAny<WarehouseDataModel>()));
+        // Act
+        _warehouseBusinessLogicContract.InsertComponent(record);
+        // Assert
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<WarehouseDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSupplies_RecordWithExistsData_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.AddElement(It.IsAny<WarehouseDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.InsertComponent(new(Guid.NewGuid().ToString(), ComponentType.Panel, 1,
+            [new ComponentWarehouseDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<WarehouseDataModel>()), 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<WarehouseDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertComponents_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.InsertComponent(new WarehouseDataModel("id", ComponentType.Panel, 1, [])), Throws.TypeOf<ValidationException>());
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<WarehouseDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.AddElement(It.IsAny<WarehouseDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.InsertComponent(new(Guid.NewGuid().ToString(), ComponentType.Panel, 1,
+            [new ComponentWarehouseDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.AddElement(It.IsAny<WarehouseDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_CorrectRecord_Test()
+    {
+        // Arrange
+        var record = new WarehouseDataModel(Guid.NewGuid().ToString(), ComponentType.Panel, 1,
+            [new ComponentWarehouseDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<WarehouseDataModel>()));
+        // Act
+        _warehouseBusinessLogicContract.UpdateComponent(record);
+        // Assert
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<WarehouseDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_RecordWithIncorrectData_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<WarehouseDataModel>())).Throws(new ElementNotFoundException(""));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), ComponentType.Panel, 1,
+            [new ComponentWarehouseDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementNotFoundException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<WarehouseDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateSupplies_RecordWithExistsData_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<WarehouseDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), ComponentType.Panel, 1,
+            [new ComponentWarehouseDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<WarehouseDataModel>()), 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<WarehouseDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateComponents_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new WarehouseDataModel(Guid.NewGuid().ToString(), ComponentType.Panel, 1, [])), Throws.TypeOf<ValidationException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<WarehouseDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateSupplies_StorageThrowError_ThrowException_Test()
+    {
+        // Arrange
+        _warehouseStorageContract.Setup(x => x.UpdElement(It.IsAny<WarehouseDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        // Act & Assert
+        Assert.That(() => _warehouseBusinessLogicContract.UpdateComponent(new(Guid.NewGuid().ToString(), ComponentType.Panel, 1,
+            [new ComponentWarehouseDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _warehouseStorageContract.Verify(x => x.UpdElement(It.IsAny<WarehouseDataModel>()), 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);
+    }
+}

FurnitureAssembly/FurnitureAssemblyTests/DataModelsTests/ComponentDataModelTests.cs

@@ -29,7 +29,7 @@ internal class ComponentDataModelTests
     {
         var component = CreateDataModel(Guid.NewGuid().ToString(), null, ComponentType.Box);
         Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
-        component = CreateDataModel(Guid.NewGuid().ToString(), string.Empty,  ComponentType.Box);
+        component = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, ComponentType.Box);
         Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
     }
 
@@ -40,6 +40,7 @@ internal class ComponentDataModelTests
         Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
     }
 
+
     [Test]
     public void AllFieldsIsCorrectTest()
     {

FurnitureAssembly/FurnitureAssemblyTests/DataModelsTests/ComponentSuppliesDataModelTests.cs

@@ -0,0 +1,70 @@
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Exceptions;
+
+namespace FurnitureAssemblyTests.DataModelsTests;
+
+[TestFixture]
+internal class ComponentSuppliesDataModelTests
+{
+    [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 ComponentIdIsNullOrEmptyTest()
+    {
+        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 ComponentIdIsNotGuidTest()
+    {
+        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 componentId = Guid.NewGuid().ToString();
+        var count = 1;
+        var model = CreateDataModel(suppliesId, componentId, count);
+        Assert.That(() => model.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.SuppliesId, Is.EqualTo(suppliesId));
+            Assert.That(model.ComponentId, Is.EqualTo(componentId));
+            Assert.That(model.Count, Is.EqualTo(count));
+        });
+    }
+
+    private static ComponentSuppliesDataModel CreateDataModel(string? suppliesId, string? componentId, int count) 
+        => new(suppliesId, componentId, count);
+}

FurnitureAssembly/FurnitureAssemblyTests/DataModelsTests/ComponentWarehouseDataModelTests.cs

@@ -0,0 +1,70 @@
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Exceptions;
+
+namespace FurnitureAssemblyTests.DataModelsTests;
+
+[TestFixture]
+internal class ComponentWarehouseDataModelTests
+{
+    [Test]
+    public void WarehouseIdIsNullOrEmptyTest()
+    {
+        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 WarehouseIdIsNotGuidTest()
+    {
+        var model = CreateDataModel("id", Guid.NewGuid().ToString(), 1);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ComponentIdIsNullOrEmptyTest()
+    {
+        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 ComponentIdIsNotGuidTest()
+    {
+        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 warehouseId = Guid.NewGuid().ToString();
+        var componentId = Guid.NewGuid().ToString();
+        var count = 1;
+        var model = CreateDataModel(componentId, componentId, count);
+        Assert.That(() => model.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.WarehouseId, Is.EqualTo(componentId));
+            Assert.That(model.ComponentId, Is.EqualTo(componentId));
+            Assert.That(model.Count, Is.EqualTo(count));
+        });
+    }
+
+    private static ComponentWarehouseDataModel CreateDataModel(string? warehouseId, string? componentId, int count)
+        => new(warehouseId, componentId, count);
+}

FurnitureAssembly/FurnitureAssemblyTests/DataModelsTests/SuppliesDataModelTest.cs

@@ -0,0 +1,77 @@
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+
+namespace FurnitureAssemblyTests.DataModelsTests;
+
+[TestFixture]
+public class SuppliesDataModelTest
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(null, ComponentType.Handle, DateTime.Now, 1, CreateSuppliesDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        model = CreateDataModel(string.Empty, ComponentType.Handle, DateTime.Now, 1, CreateSuppliesDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var model = CreateDataModel("id", ComponentType.Handle, DateTime.Now, 1, CreateSuppliesDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TypeIsNoneTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, DateTime.Now, 1, CreateSuppliesDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, DateTime.Now, 0, CreateSuppliesDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, DateTime.Now, -1, CreateSuppliesDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void SuppliesIsEmptyOrNullTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, DateTime.Now, 0, []);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, DateTime.Now, 0, null);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var id = Guid.NewGuid().ToString();
+        var type = ComponentType.Handle;
+        var date = DateTime.Now;
+        var count = 1;
+        var supplies = CreateSuppliesDataModel();
+        var model = CreateDataModel(id, type, date, count, supplies);
+        Assert.DoesNotThrow(() => model.Validate());
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.Id, Is.EqualTo(id));
+            Assert.That(model.Type, Is.EqualTo(type));
+            Assert.That(model.ProductuionDate, Is.EqualTo(date));
+            Assert.That(model.Count, Is.EqualTo(count));
+            Assert.That(model.Components, Is.EqualTo(supplies));
+        });
+    }
+
+    private static SuppliesDataModel CreateDataModel(string? id, ComponentType type, DateTime date, int count, List<ComponentSuppliesDataModel> supplies)
+            => new(id, type, date, count, supplies);
+    private static List<ComponentSuppliesDataModel> CreateSuppliesDataModel()
+                => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+}

FurnitureAssembly/FurnitureAssemblyTests/DataModelsTests/WorkhouseDataModelTests.cs

@@ -0,0 +1,75 @@
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+
+namespace FurnitureAssemblyTests.DataModelsTests;
+
+[TestFixture]
+internal class WorkhouseDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var model = CreateDataModel(null, ComponentType.Handle, 1, CreateWarehouseDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+        model = CreateDataModel(string.Empty, ComponentType.Handle, 1, CreateWarehouseDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var model = CreateDataModel("id", ComponentType.Handle, 1, CreateWarehouseDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void TypeIsNoneTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, 1, CreateWarehouseDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, 0, CreateWarehouseDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, -1, CreateWarehouseDataModel());
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkhouseIsEmptyOrNullTest()
+    {
+        var model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, 0, []);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+
+        model = CreateDataModel(Guid.NewGuid().ToString(), ComponentType.None, 0, null);
+        Assert.That(() => model.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var id = Guid.NewGuid().ToString();
+        var type = ComponentType.Handle;
+        var count = 1;
+        var warehouse = CreateWarehouseDataModel();
+        var model = CreateDataModel(id, type, count, warehouse);
+        Assert.DoesNotThrow(() => model.Validate());
+        Assert.Multiple(() =>
+        {
+            Assert.That(model.Id, Is.EqualTo(id));
+            Assert.That(model.Type, Is.EqualTo(type));
+            Assert.That(model.Count, Is.EqualTo(count));
+            Assert.That(model.Components, Is.EqualTo(warehouse));
+        });
+    }
+
+    private static WarehouseDataModel CreateDataModel(string? id, ComponentType type, int count, List<ComponentWarehouseDataModel> warehouse)
+        => new WarehouseDataModel(id, type, count, warehouse);
+    private static List<ComponentWarehouseDataModel> CreateWarehouseDataModel()
+                => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+}

FurnitureAssembly/FurnitureAssemblyTests/StorageContractTests/ComponentStorageContractTests.cs

@@ -23,7 +23,6 @@ internal class ComponentStorageContractTests : BaseStorageContractTest
     public void TearDown()
     {
         FurnitureAssemblyDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Components\" CASCADE; ");
-        //FurnitureAssemblyDbContext.Database.ExecuteSqlRaw("TRUNCATE\"Manufacturers\" CASCADE;");
     }
 
     [Test]

FurnitureAssembly/FurnitureAssemblyTests/StorageContractTests/SuppliesStorageContractTests.cs

@@ -0,0 +1,187 @@
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyDatebase.Implementations;
+using FurnitureAssemblyDatebase.Models;
+using FurnitureAssemblyDatebase;
+using Microsoft.EntityFrameworkCore;
+using FurnitureAssemblyContracts.Enums;
+
+namespace FurnitureAssemblyTests.StorageContractTests;
+
+[TestFixture]
+internal class SuppliesStorageContractTests : BaseStorageContractTest
+{
+    private SuppliesStorageContract _suppliesStorageContract;
+    private Component _component;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _suppliesStorageContract = new SuppliesStorageContract(FurnitureAssemblyDbContext);
+        _component = InsertComponentToDatabaseAndReturn();
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        FurnitureAssemblyDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Supplieses\" CASCADE;");
+        FurnitureAssemblyDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Components\" CASCADE;");
+    }
+
+    [Test]
+    public void Try_GetList_WhenHaveRecords_Test()
+    {
+        var supply = InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 5);
+        InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 5);
+        InsertSupplyToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 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(), ComponentType.Handle, 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(), ComponentType.Handle, 5, [_component.Id]);
+        _suppliesStorageContract.AddElement(supply);
+        AssertElement(GetSupplyFromDatabaseById(supply.Id), supply);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenHaveRecordWithSameId_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), ComponentType.Handle, 5, [_component.Id]);
+        InsertSupplyToDatabaseAndReturn(supply.Id, ComponentType.Handle, 5, [(_component.Id, 3)]);
+        Assert.That(() => _suppliesStorageContract.AddElement(supply), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_UpdElement_Test()
+    {
+        var supply = CreateModel(Guid.NewGuid().ToString(), ComponentType.Handle, 5, [_component.Id]);
+        InsertSupplyToDatabaseAndReturn(supply.Id, ComponentType.Legs, 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(), ComponentType.Handle, 5, [_component.Id])), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    private Component InsertComponentToDatabaseAndReturn()
+    {
+        var component = new Component { Id = Guid.NewGuid().ToString(), Name = "Test Component", Type = ComponentType.Panel };
+        FurnitureAssemblyDbContext.Components.Add(component);
+        FurnitureAssemblyDbContext.SaveChanges();
+        return component;
+    }
+
+    private Supplies InsertSupplyToDatabaseAndReturn(string id, ComponentType type, int count, List<(string, int)>? components = null)
+    {
+        var supply = new Supplies { Id = id, Type = type, ProductuionDate = DateTime.UtcNow, Count = count, Components = [] };
+        if (components is not null)
+        {
+            foreach (var elem in components)
+            {
+                supply.Components.Add(new ComponentSupplies { SuppliesId = supply.Id, ComponentId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        FurnitureAssemblyDbContext.Supplieses.Add(supply);
+        FurnitureAssemblyDbContext.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.Type, Is.EqualTo(expected.Type));
+            Assert.That(actual.ProductuionDate, Is.EqualTo(expected.ProductuionDate));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Components is not null)
+        {
+            Assert.That(actual.Components, Is.Not.Null);
+            Assert.That(actual.Components, Has.Count.EqualTo(expected.Components.Count));
+            for (int i = 0; i < actual.Components.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Components[i].ComponentId, Is.EqualTo(expected.Components[i].ComponentId));
+                    Assert.That(actual.Components[i].Count, Is.EqualTo(expected.Components[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Components, 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.Type));
+            Assert.That(actual.ProductuionDate, Is.EqualTo(expected.ProductuionDate));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Components is not null)
+        {
+            Assert.That(actual.Components, Is.Not.Null);
+            Assert.That(actual.Components, Has.Count.EqualTo(expected.Components.Count));
+            for (int i = 0; i < actual.Components.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Components[i].ComponentId, Is.EqualTo(expected.Components[i].ComponentId));
+                    Assert.That(actual.Components[i].Count, Is.EqualTo(expected.Components[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Components, Is.Null);
+        }
+    }
+
+    private static SuppliesDataModel CreateModel(string id, ComponentType type, int count, List<string> componentsIds)
+    {
+        var components = componentsIds.Select(x => new ComponentSuppliesDataModel(id, x, 1)).ToList();
+        return new(id, type, DateTime.UtcNow, count, components);
+    }
+    
+
+    private Supplies? GetSupplyFromDatabaseById(string id)
+    {
+        return FurnitureAssemblyDbContext.Supplieses.FirstOrDefault(x => x.Id == id);
+    }
+}

FurnitureAssembly/FurnitureAssemblyTests/StorageContractTests/WarehouseStorageContractTests.cs

@@ -0,0 +1,209 @@
+using FurnitureAssemblyContracts.DataModels;
+using FurnitureAssemblyContracts.Enums;
+using FurnitureAssemblyContracts.Exceptions;
+using FurnitureAssemblyDatebase.Implementations;
+using FurnitureAssemblyDatebase.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace FurnitureAssemblyTests.StorageContractTests;
+
+internal class WarehouseStorageContractTests : BaseStorageContractTest
+{
+    private WarehouseStorageContract _warehouseStorageContract;
+    private Component _component;
+
+    [SetUp]
+    public void SetUp()
+    {
+        _warehouseStorageContract = new WarehouseStorageContract(FurnitureAssemblyDbContext);
+        _component = InsertComponentToDatabaseAndReturn(Guid.NewGuid().ToString(), "name", ComponentType.Panel);
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        FurnitureAssemblyDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Warehouses\" CASCADE;");
+        FurnitureAssemblyDbContext.Database.ExecuteSqlRaw("TRUNCATE \"Components\" CASCADE;");
+    }
+
+    [Test]
+    public void Try_GetList_WhenHaveRecords_Test()
+    {
+        var warehouse = InsertWarehouseToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 5);
+        InsertWarehouseToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 5);
+        InsertWarehouseToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 5);
+        var list = _warehouseStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(3));
+        AssertElement(list.First(), warehouse);
+    }
+
+    [Test]
+    public void Try_GetList_WhenNoRecords_Test()
+    {
+        var list = _warehouseStorageContract.GetList();
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.Empty);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenHaveRecord_Test()
+    {
+        var warehouse = InsertWarehouseToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 5);
+        var result = _warehouseStorageContract.GetElementById(warehouse.Id);
+        AssertElement(result, warehouse);
+    }
+
+    [Test]
+    public void Try_GetElementById_WhenNoRecord_Test()
+    {
+        Assert.That(() => _warehouseStorageContract.GetElementById(Guid.NewGuid().ToString()), Is.Null);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenValidData_Test()
+    {
+        var warehouse = CreateModel(Guid.NewGuid().ToString(), ComponentType.Handle, 5, [_component.Id]);
+        _warehouseStorageContract.AddElement(warehouse);
+        var result = GetWarehouseFromDatabaseById(warehouse.Id);
+        AssertElement(result, warehouse);
+    }
+
+    [Test]
+    public void Try_AddElement_WhenHaveRecordWithSameId_Test()
+    {
+        var warehouse = CreateModel(Guid.NewGuid().ToString(), ComponentType.Handle, 5, [_component.Id]);
+        InsertWarehouseToDatabaseAndReturn(warehouse.Id, ComponentType.Handle, 5, [(_component.Id, 3)]);
+        Assert.That(() => _warehouseStorageContract.AddElement(warehouse), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_AddElement_WhenNoHaveComponent_Test()
+    {
+        var warehouse = CreateModel(Guid.NewGuid().ToString(), ComponentType.Handle, 0, [_component.Id]);
+        InsertWarehouseToDatabaseAndReturn(warehouse.Id, ComponentType.Handle, 5, [(_component.Id, 3)]);
+        Assert.That(() => _warehouseStorageContract.AddElement(warehouse), Throws.TypeOf<StorageException>());
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenValidData_Test()
+    {
+        var warehouse = CreateModel(Guid.NewGuid().ToString(), ComponentType.Handle, 5, [_component.Id]);
+        InsertWarehouseToDatabaseAndReturn(warehouse.Id, ComponentType.Legs, 10, null);
+        _warehouseStorageContract.UpdElement(warehouse);
+        var result = GetWarehouseFromDatabaseById(warehouse.Id);
+        AssertElement(result, warehouse);
+    }
+
+    [Test]
+    public void Try_UpdElement_WhenNoRecordWithThisId_Test()
+    {
+        var warehouse = CreateModel(Guid.NewGuid().ToString(), ComponentType.Handle, 5, [_component.Id]);
+        Assert.That(() => _warehouseStorageContract.UpdElement(warehouse), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    [Test]
+    public void Try_DelElement_WhenRecordExists_Test()
+    {
+        var warehouse = InsertWarehouseToDatabaseAndReturn(Guid.NewGuid().ToString(), ComponentType.Handle, 5);
+        _warehouseStorageContract.DelElement(warehouse.Id);
+        var result = GetWarehouseFromDatabaseById(warehouse.Id);
+        Assert.That(result, Is.Null);
+    }
+
+    [Test]
+    public void Try_DelElement_WhenRecordDoesNotExist_ThrowsElementNotFoundException()
+    {
+        Assert.That(() => _warehouseStorageContract.DelElement(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+    }
+
+    private Component InsertComponentToDatabaseAndReturn(string id, string name, ComponentType type)
+    {
+        var component = new Component { Id = id, Name = name, Type = type };
+        FurnitureAssemblyDbContext.Components.Add(component);
+        FurnitureAssemblyDbContext.SaveChanges();
+        return component;
+    }
+
+    private Warehouse InsertWarehouseToDatabaseAndReturn(string id, ComponentType type, int count, List<(string, int)>? components = null)
+    {
+        var warehouse = new Warehouse { Id = id, Type = type, Count = count, Components = [] };
+        if (components is not null)
+        {
+            foreach (var elem in components)
+            {
+                warehouse.Components.Add(new ComponentWarehouse { WarehouseId = warehouse.Id, ComponentId = elem.Item1, Count = elem.Item2 });
+            }
+        }
+        FurnitureAssemblyDbContext.Warehouses.Add(warehouse);
+        FurnitureAssemblyDbContext.SaveChanges();
+        return warehouse;
+    }
+
+    private static void AssertElement(WarehouseDataModel? actual, Warehouse expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Type, Is.EqualTo(expected.Type));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Components is not null)
+        {
+            Assert.That(actual.Components, Is.Not.Null);
+            Assert.That(actual.Components, Has.Count.EqualTo(expected.Components.Count));
+            for (int i = 0; i < actual.Components.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Components[i].ComponentId, Is.EqualTo(expected.Components[i].ComponentId));
+                    Assert.That(actual.Components[i].Count, Is.EqualTo(expected.Components[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Components, Is.Null);
+        }
+    }
+
+    private static void AssertElement(Warehouse? actual, WarehouseDataModel expected)
+    {
+        Assert.That(actual, Is.Not.Null);
+        Assert.Multiple(() =>
+        {
+            Assert.That(actual.Id, Is.EqualTo(expected.Id));
+            Assert.That(actual.Type, Is.EqualTo(expected.Type));
+            Assert.That(actual.Count, Is.EqualTo(expected.Count));
+        });
+        if (expected.Components is not null)
+        {
+            Assert.That(actual.Components, Is.Not.Null);
+            Assert.That(actual.Components, Has.Count.EqualTo(expected.Components.Count));
+            for (int i = 0; i < actual.Components.Count; ++i)
+            {
+                Assert.Multiple(() =>
+                {
+                    Assert.That(actual.Components[i].ComponentId, Is.EqualTo(expected.Components[i].ComponentId));
+                    Assert.That(actual.Components[i].Count, Is.EqualTo(expected.Components[i].Count));
+                });
+            }
+        }
+        else
+        {
+            Assert.That(actual.Components, Is.Null);
+        }
+    }
+
+    private static WarehouseDataModel CreateModel(string id, ComponentType type, int count, List<string> componentsIds)
+    {
+        var components = componentsIds.Select(x => new ComponentWarehouseDataModel(id, x, 1)).ToList();
+        return new(id, type, count, components);
+    }
+
+    private Warehouse? GetWarehouseFromDatabaseById(string id)
+    {
+        return FurnitureAssemblyDbContext.Warehouses.FirstOrDefault(x => x.Id == id);
+    }
+}