ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ComponentLogic.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.BindingModels;
 using ComputersShopContracts.SearchModels;
 using ComputersShopContracts.StoragesContracts;
@@ -24,7 +24,7 @@ namespace ComputersShopBusinessLogic.BusinessLogics
         public List<ComponentViewModel>? ReadList(ComponentSearchModel? model)
         {
             _logger.LogInformation("ReadList. ComponentName:{ComponentName}. Id:{Id}", model?.ComponentName, model?.Id);
-            var list = model == null ? _componentStorage.GetFullList() : _componentStorage.GetFiltredList(model);
+            var list = model == null ? _componentStorage.GetFullList() : _componentStorage.GetFilteredList(model);
             if (list == null)
             {
                 _logger.LogWarning("ReadList return null list");

ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ComputerLogic.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.SearchModels;
 using ComputersShopContracts.StoragesContracts;
 using ComputersShopContracts.ViewModels;
@@ -23,13 +23,15 @@ namespace ComputersShopBusinessLogic.BusinessLogics
         }
         public List<ComputerViewModel>? ReadList(ComputerSearchModel? model)
         {
-            _logger.LogInformation("ReadList. ComputerName:{ComputerName}. Id:{Id}", model?.ComputerName, model?.Id);
-            var list = model == null ? _computerStorage.GetFullList() : _computerStorage.GetFiltredList(model);
+            _logger.LogInformation("ReadList. ComputerName:{ComputerName}.Id:{ Id}", model?.ComputerName, model?.Id);
+
+            var list = model == null ? _computerStorage.GetFullList() : _computerStorage.GetFilteredList(model);
             if (list == null)
             {
                 _logger.LogWarning("ReadList return null list");
                 return null;
             }
+
             _logger.LogInformation("ReadList. Count:{Count}", list.Count);
             return list;
         }
@@ -39,19 +41,23 @@ namespace ComputersShopBusinessLogic.BusinessLogics
             {
                 throw new ArgumentNullException(nameof(model));
             }
-            _logger.LogInformation("ReadElement. ComputerName:{ComputerName}. Id:{Id}", model.ComputerName, model.Id);
+
+            _logger.LogInformation("ReadElement. ComputerName:{ComputerName}.Id:{ Id}", model.ComputerName, model.Id);
+
             var element = _computerStorage.GetElement(model);
             if (element == null)
             {
                 _logger.LogWarning("ReadElement element not found");
                 return null;
             }
+
             _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
             return element;
         }
         public bool Create(ComputerBindingModel model)
         {
             CheckModel(model);
+
             if (_computerStorage.Insert(model) == null)
             {
                 _logger.LogWarning("Insert operation failed");
@@ -62,6 +68,7 @@ namespace ComputersShopBusinessLogic.BusinessLogics
         public bool Update(ComputerBindingModel model)
         {
             CheckModel(model);
+
             if (_computerStorage.Update(model) == null)
             {
                 _logger.LogWarning("Update operation failed");
@@ -73,6 +80,7 @@ namespace ComputersShopBusinessLogic.BusinessLogics
         {
             CheckModel(model, false);
             _logger.LogInformation("Delete. Id:{Id}", model.Id);
+
             if (_computerStorage.Delete(model) == null)
             {
                 _logger.LogWarning("Delete operation failed");
@@ -92,20 +100,20 @@ namespace ComputersShopBusinessLogic.BusinessLogics
             }
             if (string.IsNullOrEmpty(model.ComputerName))
             {
-                throw new ArgumentNullException("Нет названия компьютера", nameof(model.ComputerName));
+                throw new ArgumentNullException("Нет названия изделия", nameof(model.ComputerName));
             }
             if (model.Price <= 0)
             {
-                throw new ArgumentNullException("Цена должна быть больше 0", nameof(model.Price));
+                throw new ArgumentNullException("Цена изделия должна быть больше 0", nameof(model.Price));
             }
-            _logger.LogInformation("Computer. ComputerName:{ComputerName}. Cost:{Cost}. Id:{Id}", model.ComputerName, model.Price, model.Id);
+            _logger.LogInformation("Computer. ComputerName:{ComputerName}.Price:{ Price}. Id: { Id}", model.ComputerName, model.Price, model.Id);
             var element = _computerStorage.GetElement(new ComputerSearchModel
             {
                 ComputerName = model.ComputerName
             });
             if (element != null && element.Id != model.Id)
             {
-                throw new InvalidOperationException("Компьютер с таким названием уже есть");
+                throw new InvalidOperationException("Изделие с таким названием уже есть");
             }
         }
     }

ComputersShop/ComputersShopBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -4,11 +4,12 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.SearchModels;
 using ComputersShopContracts.StoragesContracts;
 using ComputersShopContracts.ViewModels;
 using ComputersShopDataModels.Enums;
+using ComputersShopDataModels.Models;
 using Microsoft.Extensions.Logging;
 
 namespace ComputersShopBusinessLogic.BusinessLogics
@@ -17,20 +18,28 @@ namespace ComputersShopBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        private IShopStorage _shopStorage;
+        private IShopLogic _shopLogic;
+        private IComputerStorage _computerStorage;
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IShopStorage shopStorage, IShopLogic shopLogic, IComputerStorage computerStorage)
         {
             _logger = logger;
             _orderStorage = orderStorage;
+            _shopStorage = shopStorage;
+            _shopLogic = shopLogic;
+            _computerStorage = computerStorage;
         }
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
         {
-            _logger.LogInformation("ReadList. Id:{Id}", model?.Id);
-            var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFiltredList(model);
+            _logger.LogInformation("ReadList. Order.Id:{ Id}", model?.Id);
+
+            var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
             if (list == null)
             {
                 _logger.LogWarning("ReadList return null list");
                 return null;
             }
+
             _logger.LogInformation("ReadList. Count:{Count}", list.Count);
             return list;
         }
@@ -39,10 +48,12 @@ namespace ComputersShopBusinessLogic.BusinessLogics
             CheckModel(model);
             if (model.Status != OrderStatus.Неизвестен)
             {
-                _logger.LogWarning("Wrong order status. Insert operation failed");
+                _logger.LogWarning("Insert operation failed. Order status incorrect.");
                 return false;
             }
+
             model.Status = OrderStatus.Принят;
+
             if (_orderStorage.Insert(model) == null)
             {
                 _logger.LogWarning("Insert operation failed");
@@ -50,51 +61,17 @@ namespace ComputersShopBusinessLogic.BusinessLogics
             }
             return true;
         }
-        public bool ChangeStatus(OrderBindingModel model, OrderStatus newStatus)
-        {
-            var viewModel = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
-            if (viewModel == null)
-            {
-                throw new ArgumentNullException(nameof(viewModel));
-            }
-            if (viewModel.Status + 1 != newStatus)
-            {
-                _logger.LogWarning("Status change operation failed");
-                return false;
-            }
-
-            model.Status = newStatus;
-            model.ComputerId = viewModel.ComputerId;
-            model.Count = viewModel.Count;
-            model.Sum = viewModel.Sum;
-            model.DateCreate = viewModel.DateCreate;
-            if (model.Status == OrderStatus.Готов)
-            {
-                model.DateImplement = DateTime.Now;
-            }
-            else
-            {
-                model.DateImplement = viewModel.DateImplement;
-            }
-            CheckModel(model, false);
-            if (_orderStorage.Update(model) == null)
-            {
-                _logger.LogWarning("Status change operation failed");
-                return false;
-            }
-            return true;
-        }
         public bool TakeOrderInWork(OrderBindingModel model)
         {
-            return ChangeStatus(model, OrderStatus.Выполняется);
+            return StatusUpdate(model, OrderStatus.Выполняется);
         }
         public bool FinishOrder(OrderBindingModel model)
         {
-            return ChangeStatus(model, OrderStatus.Готов);
+            return StatusUpdate(model, OrderStatus.Выдан);
         }
         public bool DeliveryOrder(OrderBindingModel model)
         {
-            return ChangeStatus(model, OrderStatus.Выдан);
+            return StatusUpdate(model, OrderStatus.Готов);
         }
         private void CheckModel(OrderBindingModel model, bool withParams = true)
         {
@@ -106,19 +83,135 @@ namespace ComputersShopBusinessLogic.BusinessLogics
             {
                 return;
             }
-            if (model.Sum <= 0)
+            if (model.ComputerId < 0)
             {
-                throw new ArgumentNullException("Цена должна быть больше 0", nameof(model.Sum));
+                throw new ArgumentNullException("Некорректный идентификатор изделия", nameof(model.ComputerId));
             }
             if (model.Count <= 0)
             {
-                throw new ArgumentNullException("Количество изделий должно быть больше 0", nameof(model.Count));
+                throw new ArgumentNullException("Количество изделий в заказе должно быть больше 0", nameof(model.Count));
             }
-            if (model.DateImplement != null && model.DateImplement < model.DateCreate)
+            if (model.Sum <= 0)
             {
-                throw new ArithmeticException("Дата завершения не может быть раньше даты начала");
+                throw new ArgumentNullException("Сумма заказа должна быть больше 0", nameof(model.Sum));
             }
-            _logger.LogInformation("Order. Id:{Id}. Sum:{Sum}. ComputerId:{ComputerId}", model.Id, model.Sum, model.ComputerId);
+            _logger.LogInformation("Order. OrderID:{Id}.Sum:{ Sum}. ComputerId: { ComputerId}", model.Id, model.Sum, model.ComputerId);
+        }
+        private bool StatusUpdate(OrderBindingModel model, OrderStatus newStatus)
+        {
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (element.Status + 1 != newStatus)
+            {
+                _logger.LogWarning("Change status operation failed");
+                return false;
+            }
+
+            model.Status = newStatus;
+
+            if (newStatus == OrderStatus.Выдан)
+            {
+                var computer = _computerStorage.GetElement(new ComputerSearchModel { Id = element.ComputerId });
+                if (computer == null)
+                {
+                    _logger.LogWarning("Status change error. Computer not found");
+                    return false;
+                }
+                if (!CheckSupply(computer, element.Count))
+                {
+                    _logger.LogWarning("Status change error. Shop is overflowed");
+                    return false;
+                }
+            }
+
+            if (model.Status == OrderStatus.Выдан)
+            {
+                model.DateImplement = DateTime.Now;
+            }
+            else
+            {
+                model.DateImplement = element.DateImplement;
+            }
+            CheckModel(model, false);
+            if (_orderStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Change status operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool CheckSupply(IComputerModel model, int count)
+        {
+            if (count <= 0)
+            {
+                _logger.LogWarning("Check supply operation error. Computers count < 0");
+                return false;
+            }
+
+            int sumCapacity = _shopStorage.GetFullList().Select(x => x.MaxComputers).Sum();
+            int sumCount = _shopStorage.GetFullList().Select(x => x.ShopComputers.Select(y => y.Value.Item2).Sum()).Sum();
+            int free = sumCapacity - sumCount;
+            if (free < count)
+            {
+                _logger.LogWarning("Check supply error. No place for new computers");
+                return false;
+            }
+
+            foreach (var shop in _shopStorage.GetFullList())
+            {
+                free = shop.MaxComputers;
+                foreach (var computer in shop.ShopComputers)
+                {
+                    free -= computer.Value.Item2;
+                }
+
+                if (free == 0)
+                {
+                    continue;
+                }
+
+                if (free >= count)
+                {
+                    if (_shopLogic.AddComputerInShop(new()
+                    {
+                        Id = shop.Id
+                    }, model, count))
+                    {
+                        count = 0;
+                    }
+                    else
+                    {
+                        _logger.LogWarning("Supply error");
+                        return false;
+                    }
+                }
+                else
+                {
+                    if (_shopLogic.AddComputerInShop(new()
+                    {
+                        Id = shop.Id
+                    }, model, free))
+                    {
+                        count -= free;
+                    }
+                    else
+                    {
+                        _logger.LogWarning("Supply error");
+                        return false;
+                    }
+                }
+                if (count <= 0)
+                {
+                    return true;
+                }
+            }
+            return false;
         }
     }
 }

ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -0,0 +1,184 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using Microsoft.Extensions.Logging;
+
+namespace ComputersShopBusinessLogic.BusinessLogics
+{
+    public class ShopLogic : IShopLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IShopStorage _shopStorage;
+        public ShopLogic(ILogger<ShopLogic> logger, IShopStorage shopStorage)
+        {
+            _logger = logger;
+            _shopStorage = shopStorage;
+        }
+        public List<ShopViewModel>? ReadList(ShopSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ShopName:{ShopName}.Id:{ Id}", model?.ShopName, model?.Id);
+
+            var list = model == null ? _shopStorage.GetFullList() : _shopStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public ShopViewModel? ReadElement(ShopSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. ShopName:{ShopName}.Id:{ Id}", model.ShopName, model.Id);
+
+            var element = _shopStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(ShopBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_shopStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(ShopBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_shopStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(ShopBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+
+            if (_shopStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool AddComputerInShop(ShopSearchModel model, IComputerModel computer, int count)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (count <= 0)
+            {
+                throw new ArgumentException("Количество изделий должно быть больше 0", nameof(count));
+            }
+            _logger.LogInformation("AddComputerInShop. ShopName:{ShopName}.Id:{ Id}", model.ShopName, model.Id);
+            var element = _shopStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("AddComputerInShop element not found");
+                return false;
+            }
+            _logger.LogInformation("AddComputerInShop find. Id:{Id}", element.Id);
+
+            var countComputers = element.ShopComputers.Select(x => x.Value.Item2).Sum();
+            if (element.MaxComputers - countComputers < count)
+            {
+                _logger.LogWarning("Shop is overflowed");
+                return false;
+            }
+
+            if (element.ShopComputers.TryGetValue(computer.Id, out var pair))
+            {
+                element.ShopComputers[computer.Id] = (computer, count + pair.Item2);
+                _logger.LogInformation("AddComputerInShop. Added {count} {computer} to '{ShopName}' shop", count, computer.ComputerName, element.ShopName);
+            }
+            else
+            {
+                element.ShopComputers[computer.Id] = (computer, count);
+                _logger.LogInformation("AddComputerInShop. Added {count} new computer {computer} to '{ShopName}' shop", count, computer.ComputerName, element.ShopName);
+            }
+
+            _shopStorage.Update(new()
+            {
+                Id = element.Id,
+                Address = element.Address,
+                ShopName = element.ShopName,
+                DateOpening = element.DateOpening,
+                ShopComputers = element.ShopComputers,
+                MaxComputers = element.MaxComputers
+            });
+            return true;
+        }
+        public bool SellComputers(IComputerModel computer, int count)
+        {
+            if (computer == null)
+            {
+                throw new ArgumentNullException(nameof(computer));
+            }
+            if (count <= 0)
+            {
+                throw new ArgumentException("Количество изделий должно быть больше 0", nameof(count));
+            }
+
+            if (_shopStorage.SellComputers(computer, count))
+            {
+                _logger.LogInformation("Selling sucsess");
+                return true;
+            }
+            _logger.LogInformation("Selling failed");
+            return false;
+        }
+        private void CheckModel(ShopBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                throw new ArgumentNullException("Нет названия магазина", nameof(model.ShopName));
+            }
+            _logger.LogInformation("Shop. ShopName:{ShopName}.Address:{ Address}. Id:{ Id}", model.ShopName, model.Address, model.Id);
+            var element = _shopStorage.GetElement(new ShopSearchModel
+            {
+                ShopName = model.ShopName
+            });
+            if (element != null && element.Id != model.Id && element.ShopName == model.ShopName)
+            {
+                throw new InvalidOperationException("Магазин с таким названием уже есть");
+            }
+        }
+    }
+}

ComputersShop/ComputersShopContracts/BindingModels/ShopBindingModel.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComputersShopDataModels;
+using ComputersShopDataModels.Models;
+
+namespace ComputersShopContracts.BindingModels
+{
+    public class ShopBindingModel : IShopModel
+    {
+        public int Id { get; set; }
+        public string ShopName { get; set; } = string.Empty;
+        public string Address { get; set; } = string.Empty;
+        public DateTime DateOpening { get; set; } = DateTime.Now;
+        public Dictionary<int, (IComputerModel, int)> ShopComputers
+        {
+            get;
+            set;
+        } = new();
+        public int MaxComputers { get; set; }
+    }
+}

ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IComponentLogic.cs

@@ -7,7 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace ComputersShopContracts.BuisnessLogicsContracts
+namespace ComputersShopContracts.BusinessLogicsContracts
 {
     public interface IComponentLogic
     {

ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IComputerLogic.cs

@@ -7,7 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace ComputersShopContracts.BuisnessLogicsContracts
+namespace ComputersShopContracts.BusinessLogicsContracts
 {
     public interface IComputerLogic
     {

ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IOrderLogic.cs

@@ -7,7 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace ComputersShopContracts.BuisnessLogicsContracts
+namespace ComputersShopContracts.BusinessLogicsContracts
 {
     public interface IOrderLogic
     {

ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+
+namespace ComputersShopContracts.BusinessLogicsContracts
+{
+    public interface IShopLogic
+    {
+        List<ShopViewModel>? ReadList(ShopSearchModel? model);
+        ShopViewModel? ReadElement(ShopSearchModel model);
+        bool Create(ShopBindingModel model);
+        bool Update(ShopBindingModel model);
+        bool Delete(ShopBindingModel model);
+        bool AddComputerInShop(ShopSearchModel model, IComputerModel computer, int count);
+        bool SellComputers(IComputerModel computer, int count);
+    }
+}

ComputersShop/ComputersShopContracts/SearchModels/ShopSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.SearchModels
+{
+    public class ShopSearchModel
+    {
+        public int? Id { get; set; }
+        public string? ShopName { get; set; }
+    }
+}

ComputersShop/ComputersShopContracts/StoragesContracts/IComponentStorage.cs

@@ -13,7 +13,7 @@ namespace ComputersShopContracts.StoragesContracts
     public interface IComponentStorage
     {
         List<ComponentViewModel> GetFullList();
-        List<ComponentViewModel> GetFiltredList(ComponentSearchModel model);
+        List<ComponentViewModel> GetFilteredList(ComponentSearchModel model);
         ComponentViewModel? GetElement(ComponentSearchModel model);
         ComponentViewModel? Insert(ComponentBindingModel model);
         ComponentViewModel? Update(ComponentBindingModel model);

ComputersShop/ComputersShopContracts/StoragesContracts/IComputerStorage.cs

@@ -13,7 +13,7 @@ namespace ComputersShopContracts.StoragesContracts
     public interface IComputerStorage
     {
         List<ComputerViewModel> GetFullList();
-        List<ComputerViewModel> GetFiltredList(ComputerSearchModel model);
+        List<ComputerViewModel> GetFilteredList(ComputerSearchModel model);
         ComputerViewModel? GetElement(ComputerSearchModel model);
         ComputerViewModel? Insert(ComputerBindingModel model);
         ComputerViewModel? Update(ComputerBindingModel model);

ComputersShop/ComputersShopContracts/StoragesContracts/IOrderStorage.cs

@@ -12,7 +12,7 @@ namespace ComputersShopContracts.StoragesContracts
     public interface IOrderStorage
     {
         List<OrderViewModel> GetFullList();
-        List<OrderViewModel> GetFiltredList(OrderSearchModel model);
+        List<OrderViewModel> GetFilteredList(OrderSearchModel model);
         OrderViewModel? GetElement(OrderSearchModel model);
         OrderViewModel? Insert(OrderBindingModel model);
         OrderViewModel? Update(OrderBindingModel model);

ComputersShop/ComputersShopContracts/StoragesContracts/IShopStorage.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels;
+using ComputersShopDataModels.Models;
+
+namespace ComputersShopContracts.StoragesContracts
+{
+    public interface IShopStorage
+    {
+        List<ShopViewModel> GetFullList();
+        List<ShopViewModel> GetFilteredList(ShopSearchModel model);
+        ShopViewModel? GetElement(ShopSearchModel model);
+        ShopViewModel? Insert(ShopBindingModel model);
+        ShopViewModel? Update(ShopBindingModel model);
+        ShopViewModel? Delete(ShopBindingModel model);
+        bool SellComputers(IComputerModel model, int count);
+        bool CheckCount(IComputerModel model, int count);
+    }
+}

ComputersShop/ComputersShopContracts/ViewModels/ShopViewModel.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComputersShopDataModels;
+using ComputersShopDataModels.Models;
+
+namespace ComputersShopContracts.ViewModels
+{
+    public class ShopViewModel : IShopModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название магазина")]
+        public string ShopName { get; set; } = string.Empty;
+        [DisplayName("Адрес магазина")]
+        public string Address { get; set; } = string.Empty;
+        [DisplayName("Дата открытия")]
+        public DateTime DateOpening { get; set; } = DateTime.Now;
+        public Dictionary<int, (IComputerModel, int)> ShopComputers
+        {
+            get;
+            set;
+        } = new();
+        [DisplayName("Максимальное количество изделий")]
+        public int MaxComputers { get; set; }
+    }
+}

ComputersShop/ComputersShopDataModels/Models/IShopModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataModels.Models
+{
+    public interface IShopModel : IId
+    {
+        string ShopName { get; }
+        string Address { get; }
+        DateTime DateOpening { get; }
+        Dictionary<int, (IComputerModel, int)> ShopComputers { get; }
+        int MaxComputers { get; }
+    }
+}

ComputersShop/ComputersShopFileImplement/DataFileSingleton.cs

@@ -11,35 +11,35 @@ namespace ComputersShopFileImplement
 {
     internal class DataFileSingleton
     {
-        private static DataFileSingleton? instance;
-        public readonly string ComponentFileName = "Component.xml";
-        public readonly string OrderFileName = "Order.xml";
-        public readonly string ComputerFileName = "Computer.xml";
-        public List<Component> Components { get; private set; }
-        public List<Order> Orders { get; private set; }
-        public List<Computer> Computers { get; private set; }
-        public static DataFileSingleton GetInstance()
-        {
-            if (instance == null)
-            {
-                instance = new DataFileSingleton();
-            }
-            return instance;
-        }
-        public void SaveComponents() => SaveData(Components, ComponentFileName,
-            "Components", x => x.GetXElement);
-        public void SaveComputers() => SaveData(Computers, ComputerFileName,
-            "Computers", x => x.GetXElement);
-        public void SaveOrders() => SaveData(Orders, OrderFileName,
-            "Orders", x => x.GetXElement);
+        private static DataFileSingleton? _instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string ComputerFileName = "Computer.xml";
+        private readonly string ShopFileName = "Shop.xml";
+        public List<Component> Components { get; set; }
+        public List<Order> Orders { get; set; }
+        public List<Computer> Computers { get; set; }
+        public List<Shop> Shops { get; set; }
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
             Computers = LoadData(ComputerFileName, "Computer", x => Computer.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+            Shops = LoadData(ShopFileName, "Shop", x => Shop.Create(x)!)!;
         }
-        private static List<T>? LoadData<T>(string filename, string xmlNodeName,
-            Func<XElement, T> selectFunction)
+        public static DataFileSingleton GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new DataFileSingleton();
+            }
+            return _instance;
+        }
+        public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
+        public void SaveComputers() => SaveData(Computers, ComputerFileName, "Computers", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        public void SaveShops() => SaveData(Shops, ShopFileName, "Shops", x => x.GetXElement);
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
         {
             if (File.Exists(filename))
             {
@@ -47,8 +47,7 @@ namespace ComputersShopFileImplement
             }
             return new List<T>();
         }
-        private static void SaveData<T>(List<T> data, string filename,
-            string xmlNodeName, Func<T, XElement> selectFunction)
+        private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
         {
             if (data != null)
             {

ComputersShop/ComputersShopFileImplement/Implements/ComponentStorage.cs

@@ -14,67 +14,76 @@ namespace ComputersShopFileImplement.Implements
 {
     public class ComponentStorage : IComponentStorage
     {
-        private readonly DataFileSingleton source;
+        private readonly DataFileSingleton _source;
         public ComponentStorage()
         {
-            source = DataFileSingleton.GetInstance();
+            _source = DataFileSingleton.GetInstance();
         }
         public List<ComponentViewModel> GetFullList()
         {
-            return source.Components.Select(x => x.GetViewModel).ToList();
+            return _source.Components
+                .Select(x => x.GetViewModel)
+                .ToList();
         }
-        public List<ComponentViewModel> GetFiltredList(ComponentSearchModel model)
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
         {
             if (string.IsNullOrEmpty(model.ComponentName))
             {
                 return new();
             }
-            return source.Components
+
+            return _source.Components
                 .Where(x => x.ComponentName.Contains(model.ComponentName))
                 .Select(x => x.GetViewModel)
                 .ToList();
         }
         public ComponentViewModel? GetElement(ComponentSearchModel model)
         {
-            if (!string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
             {
                 return null;
             }
-            return source.Components
-                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName) &&
-                x.ComponentName == model.ComponentName) || (model.Id.HasValue &&
-                x.Id == model.Id))?.GetViewModel;
+
+            return _source.Components
+                .FirstOrDefault(x =>
+                    (!string.IsNullOrEmpty(model.ComponentName) &&
+                    x.ComponentName == model.ComponentName) ||
+                    (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
         }
         public ComponentViewModel? Insert(ComponentBindingModel model)
         {
-            model.Id = source.Components.Count > 0 ? source.Components.Max(x => x.Id) + 1 : 1;
+            model.Id = _source.Components.Count > 0 ? _source.Components.Max(x => x.Id) + 1 : 1;
+
             var newComponent = Component.Create(model);
             if (newComponent == null)
             {
                 return null;
             }
-            source.Components.Add(newComponent);
-            source.SaveComponents();
+
+            _source.Components.Add(newComponent);
+            _source.SaveComponents();
             return newComponent.GetViewModel;
         }
         public ComponentViewModel? Update(ComponentBindingModel model)
         {
-            var component = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            var component = _source.Components.FirstOrDefault(x => x.Id == model.Id);
             if (component == null)
             {
                 return null;
             }
+
             component.Update(model);
-            source.SaveComponents();
+            _source.SaveComponents();
             return component.GetViewModel;
         }
         public ComponentViewModel? Delete(ComponentBindingModel model)
         {
-            var element = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            var element = _source.Components.FirstOrDefault(x => x.Id == model.Id);
             if (element != null)
             {
-                source.Components.Remove(element);
-                source.SaveComponents();
+                _source.Components.Remove(element);
+                _source.SaveComponents();
                 return element.GetViewModel;
             }
             return null;

ComputersShop/ComputersShopFileImplement/Implements/ComputerStorage.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Numerics;
 using System.Text;
 using System.Threading.Tasks;
 using ComputersShopContracts.BindingModels;
@@ -13,67 +14,76 @@ namespace ComputersShopFileImplement.Implements
 {
     public class ComputerStorage : IComputerStorage
     {
-        private readonly DataFileSingleton source;
+        private readonly DataFileSingleton _source;
         public ComputerStorage()
         {
-            source = DataFileSingleton.GetInstance();
+            _source = DataFileSingleton.GetInstance();
         }
         public List<ComputerViewModel> GetFullList()
         {
-            return source.Computers.Select(x => x.GetViewModel).ToList();
+            return _source.Computers
+                .Select(x => x.GetViewModel)
+                .ToList();
         }
-        public List<ComputerViewModel> GetFiltredList(ComputerSearchModel model)
+        public List<ComputerViewModel> GetFilteredList(ComputerSearchModel model)
         {
             if (string.IsNullOrEmpty(model.ComputerName))
             {
                 return new();
             }
-            return source.Computers
+
+            return _source.Computers
                 .Where(x => x.ComputerName.Contains(model.ComputerName))
                 .Select(x => x.GetViewModel)
                 .ToList();
         }
         public ComputerViewModel? GetElement(ComputerSearchModel model)
         {
-            if (!string.IsNullOrEmpty(model.ComputerName) && !model.Id.HasValue)
+            if (string.IsNullOrEmpty(model.ComputerName) && !model.Id.HasValue)
             {
                 return null;
             }
-            return source.Computers
-                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComputerName) &&
-                x.ComputerName == model.ComputerName) || (model.Id.HasValue &&
-                x.Id == model.Id))?.GetViewModel;
+
+            return _source.Computers
+                .FirstOrDefault(x =>
+                    (!string.IsNullOrEmpty(model.ComputerName) &&
+                    x.ComputerName == model.ComputerName) ||
+                    (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
         }
         public ComputerViewModel? Insert(ComputerBindingModel model)
         {
-            model.Id = source.Computers.Count > 0 ? source.Components.Max(x => x.Id) + 1 : 1;
+            model.Id = _source.Computers.Count > 0 ? _source.Computers.Max(x => x.Id) + 1 : 1;
+
             var newComputer = Computer.Create(model);
             if (newComputer == null)
             {
                 return null;
             }
-            source.Computers.Add(newComputer);
-            source.SaveComputers();
+
+            _source.Computers.Add(newComputer);
+            _source.SaveComputers();
             return newComputer.GetViewModel;
         }
         public ComputerViewModel? Update(ComputerBindingModel model)
         {
-            var computer = source.Computers.FirstOrDefault(x => x.Id == model.Id);
+            var computer = _source.Computers.FirstOrDefault(x => x.Id == model.Id);
             if (computer == null)
             {
                 return null;
             }
+
             computer.Update(model);
-            source.SaveComputers();
+            _source.SaveComputers();
             return computer.GetViewModel;
         }
         public ComputerViewModel? Delete(ComputerBindingModel model)
         {
-            var element = source.Computers.FirstOrDefault(x => x.Id == model.Id);
+            var element = _source.Computers.FirstOrDefault(x => x.Id == model.Id);
             if (element != null)
             {
-                source.Computers.Remove(element);
-                source.SaveComputers();
+                _source.Computers.Remove(element);
+                _source.SaveComputers();
                 return element.GetViewModel;
             }
             return null;

ComputersShop/ComputersShopFileImplement/Implements/OrderStorage.cs

@@ -13,22 +13,28 @@ namespace ComputersShopFileImplement.Implements
 {
     public class OrderStorage : IOrderStorage
     {
-        private readonly DataFileSingleton source;
+        private readonly DataFileSingleton _source;
         public OrderStorage()
         {
-            source = DataFileSingleton.GetInstance();
+            _source = DataFileSingleton.GetInstance();
         }
         public List<OrderViewModel> GetFullList()
         {
-            return source.Orders.Select(x => GetViewModel(x)).ToList();
+            return _source.Orders
+                .Select(x => GetViewModel(x))
+                .ToList();
         }
-        public List<OrderViewModel> GetFiltredList(OrderSearchModel model)
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
         {
             if (!model.Id.HasValue)
             {
                 return new();
             }
-            return source.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+
+            return _source.Orders
+                .Where(x => x.Id.Equals(model.Id))
+                .Select(x => GetViewModel(x))
+                .ToList();
         }
         public OrderViewModel? GetElement(OrderSearchModel model)
         {
@@ -36,47 +42,55 @@ namespace ComputersShopFileImplement.Implements
             {
                 return null;
             }
-            return GetViewModel(source.Orders.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id));
-        }
-        public OrderViewModel? Update(OrderBindingModel model)
-        {
-            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
-            if (order == null)
-            {
-                return null;
-            }
-            order.Update(model);
-            source.SaveOrders();
-            return GetViewModel(order);
+
+            return GetViewModel(_source.Orders
+                .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id)));
         }
         public OrderViewModel? Insert(OrderBindingModel model)
         {
-            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
+            model.Id = _source.Orders.Count > 0 ? _source.Orders.Max(x => x.Id) + 1 : 1;
+
             var newOrder = Order.Create(model);
             if (newOrder == null)
             {
                 return null;
             }
-            source.Orders.Add(newOrder);
-            source.SaveOrders();
+
+            _source.Orders.Add(newOrder);
+            _source.SaveOrders();
             return GetViewModel(newOrder);
         }
-        public OrderViewModel? Delete(OrderBindingModel model)
+        public OrderViewModel? Update(OrderBindingModel model)
         {
-            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            var order = _source.Orders.FirstOrDefault(x => x.Id == model.Id);
             if (order == null)
             {
                 return null;
             }
-            source.Orders.Remove(order);
-            source.SaveOrders();
+
+            order.Update(model);
+            _source.SaveOrders();
             return GetViewModel(order);
         }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = _source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                _source.Orders.Remove(element);
+                _source.SaveOrders();
+                return GetViewModel(element);
+            }
+            return null;
+        }
         private OrderViewModel GetViewModel(Order order)
         {
             var viewModel = order.GetViewModel;
-            var computer = source.Computers.FirstOrDefault(x => x.Id == order.ComputerId);
-            viewModel.ComputerName = computer?.ComputerName;
+            var plane = _source.Computers.FirstOrDefault(x => x.Id == order.ComputerId);
+            if (plane != null)
+            {
+                viewModel.ComputerName = plane.ComputerName;
+            }
             return viewModel;
         }
     }

ComputersShop/ComputersShopFileImplement/Implements/ShopStorage.cs

@@ -0,0 +1,137 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using ComputersShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopFileImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton _source;
+        public ShopStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+        public List<ShopViewModel> GetFullList()
+        {
+            return _source.Shops
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return new();
+            }
+
+            return _source.Shops
+                .Where(x => x.ShopName.Contains(model.ShopName))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return _source.Shops
+                .FirstOrDefault(x =>
+                    (!string.IsNullOrEmpty(model.ShopName) &&
+                    x.ShopName == model.ShopName) ||
+                    (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = _source.Shops.Count > 0 ? _source.Shops.Max(x => x.Id) + 1 : 1;
+
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+
+            _source.Shops.Add(newShop);
+            _source.SaveShops();
+            return newShop.GetViewModel;
+        }
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            var shop = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop == null)
+            {
+                return null;
+            }
+
+            shop.Update(model);
+            _source.SaveShops();
+            return shop.GetViewModel;
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var element = _source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                _source.Shops.Remove(element);
+                _source.SaveShops();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+        public bool SellComputers(IComputerModel model, int count)
+        {
+            var computer = _source.Computers.FirstOrDefault(x => x.Id == model.Id);
+            if (computer == null || !CheckCount(model, count))
+            {
+                return false;
+            }
+
+            foreach (var shop in _source.Shops)
+            {
+                var computers = shop.ShopComputers;
+                foreach (var elem in computers.Where(x => x.Value.Item1.Id == computer.Id))
+                {
+                    var selling = Math.Min(elem.Value.Item2, count);
+                    computers[elem.Value.Item1.Id] = (elem.Value.Item1, elem.Value.Item2 - selling);
+                    count -= selling;
+
+                    if (count <= 0)
+                    {
+                        break;
+                    }
+                }
+
+                shop.Update(new ShopBindingModel
+                {
+                    Id = model.Id,
+                    ShopName = shop.ShopName,
+                    Address = shop.Address,
+                    DateOpening = shop.DateOpening,
+                    ShopComputers = computers,
+                    MaxComputers = shop.MaxComputers
+                });
+            }
+
+            _source.SaveShops();
+            return true;
+        }
+        public bool CheckCount(IComputerModel model, int count)
+        {
+            int store = _source.Shops
+                .Select(x => x.ShopComputers
+                    .Select(y => (y.Value.Item1.Id == model.Id ? y.Value.Item2 : 0))
+                .Sum()).Sum();
+            return store >= count;
+        }
+    }
+}

ComputersShop/ComputersShopFileImplement/Models/Component.cs

@@ -16,12 +16,13 @@ namespace ComputersShopFileImplement.Models
         public int Id { get; private set; }
         public string ComponentName { get; private set; } = string.Empty;
         public double Cost { get; set; }
-        public static Component? Create(ComponentBindingModel model)
+        public static Component? Create(ComponentBindingModel? model)
         {
             if (model == null)
             {
                 return null;
             }
+
             return new Component()
             {
                 Id = model.Id,
@@ -35,6 +36,7 @@ namespace ComputersShopFileImplement.Models
             {
                 return null;
             }
+
             return new Component()
             {
                 Id = Convert.ToInt32(element.Attribute("Id")!.Value),
@@ -42,12 +44,13 @@ namespace ComputersShopFileImplement.Models
                 Cost = Convert.ToDouble(element.Element("Cost")!.Value)
             };
         }
-        public void Update(ComponentBindingModel model)
+        public void Update(ComponentBindingModel? model)
         {
             if (model == null)
             {
                 return;
             }
+
             ComponentName = model.ComponentName;
             Cost = model.Cost;
         }
@@ -58,8 +61,8 @@ namespace ComputersShopFileImplement.Models
             Cost = Cost
         };
         public XElement GetXElement => new("Component",
-        new XAttribute("Id", Id),
-        new XElement("ComponentName", ComponentName),
-        new XElement("Cost", Cost.ToString()));
+            new XAttribute("Id", Id),
+            new XElement("ComponentName", ComponentName),
+            new XElement("Cost", Cost.ToString()));
     }
 }

ComputersShop/ComputersShopFileImplement/Models/Computer.cs

@@ -7,6 +7,7 @@ using ComputersShopContracts.BindingModels;
 using ComputersShopContracts.ViewModels;
 using ComputersShopDataModels.Models;
 using System.Xml.Linq;
+using System.Numerics;
 
 namespace ComputersShopFileImplement.Models
 {
@@ -24,19 +25,18 @@ namespace ComputersShopFileImplement.Models
                 if (_computerComponents == null)
                 {
                     var source = DataFileSingleton.GetInstance();
-                    _computerComponents = Components.ToDictionary(x => x.Key, y =>
-                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!,
-                    y.Value));
+                    _computerComponents = Components.ToDictionary(x => x.Key, y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
                 }
                 return _computerComponents;
             }
         }
-        public static Computer? Create(ComputerBindingModel model)
+        public static Computer? Create(ComputerBindingModel? model)
         {
             if (model == null)
             {
                 return null;
             }
+
             return new Computer()
             {
                 Id = model.Id,
@@ -51,24 +51,23 @@ namespace ComputersShopFileImplement.Models
             {
                 return null;
             }
+
             return new Computer()
             {
                 Id = Convert.ToInt32(element.Attribute("Id")!.Value),
                 ComputerName = element.Element("ComputerName")!.Value,
                 Price = Convert.ToDouble(element.Element("Price")!.Value),
-                Components =
-                element.Element("ComputerComponents")!.Elements("ComputerComponent")
-                .ToDictionary(x =>
-                Convert.ToInt32(x.Element("Key")?.Value), x =>
-                Convert.ToInt32(x.Element("Value")?.Value))
+                Components = element.Element("ComputerComponents")!.Elements("ComputerComponent")
+                    .ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
             };
         }
-        public void Update(ComputerBindingModel model)
+        public void Update(ComputerBindingModel? model)
         {
             if (model == null)
             {
                 return;
             }
+
             ComputerName = model.ComputerName;
             Price = model.Price;
             Components = model.ComputerComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
@@ -86,8 +85,10 @@ namespace ComputersShopFileImplement.Models
             new XElement("ComputerName", ComputerName),
             new XElement("Price", Price.ToString()),
             new XElement("ComputerComponents", Components.Select(x =>
-            new XElement("ComputerComponent", new XElement("Key", x.Key),
-            new XElement("Value", x.Value))).ToArray()));
+                new XElement("ComputerComponent",
+                new XElement("Key", x.Key),
+                new XElement("Value", x.Value)))
+            .ToArray()));
     }
 }
 

ComputersShop/ComputersShopFileImplement/Models/Shop.cs

@@ -0,0 +1,102 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ComputersShopFileImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        public string ShopName { get; private set; } = string.Empty;
+        public string Address { get; private set; } = string.Empty;
+        public DateTime DateOpening { get; private set; }
+        public Dictionary<int, int> Computers { get; private set; } = new();
+        private Dictionary<int, (IComputerModel, int)>? _shopComputers = null;
+        public Dictionary<int, (IComputerModel, int)> ShopComputers
+        {
+            get
+            {
+                if (_shopComputers == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopComputers = Computers.ToDictionary(x => x.Key, y => ((source.Computers.FirstOrDefault(z => z.Id == y.Key) as IComputerModel)!, y.Value));
+                }
+                return _shopComputers;
+            }
+        }
+        public int MaxComputers { get; private set; }
+        public static Shop? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ShopName = element.Element("ShopName")!.Value,
+                Address = element.Element("Address")!.Value,
+                DateOpening = Convert.ToDateTime(element.Element("DateOpening")!.Value),
+                Computers = element.Element("ShopComputers")!.Elements("ShopComputers")!
+                    .ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value)),
+                MaxComputers = Convert.ToInt32(element.Element("MaxComputers")!.Value)
+            };
+        }
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpening = model.DateOpening,
+                Computers = model.ShopComputers.ToDictionary(x => x.Key, x => x.Value.Item2),
+                MaxComputers = model.MaxComputers
+            };
+        }
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOpening = model.DateOpening;
+            Computers = model.ShopComputers.ToDictionary(x => x.Key, x => x.Value.Item2);
+            MaxComputers = model.MaxComputers;
+            _shopComputers = null;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpening = DateOpening,
+            ShopComputers = ShopComputers,
+            MaxComputers = MaxComputers
+        };
+        public XElement GetXElement => new("Shop",
+            new XAttribute("Id", Id),
+            new XElement("ShopName", ShopName),
+            new XElement("Address", Address),
+            new XElement("DateOpening", DateOpening.ToString()),
+            new XElement("ShopComputers", Computers.Select(x =>
+                new XElement("ShopComputers",
+                new XElement("Key", x.Key),
+                new XElement("Value", x.Value))).ToArray()),
+            new XElement("MaxComputers", MaxComputers.ToString()));
+    }
+}

ComputersShop/ComputersShopListImplement/DataListSingleton.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Numerics;
 using System.Text;
 using System.Threading.Tasks;
 using ComputersShopListImplement.Models;
@@ -13,11 +14,13 @@ namespace AbstractShopListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Computer> Computers { get; set; }
+        public List<Shop> Shops { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Computers = new List<Computer>();
+            Shops = new List<Shop>();
         }
         public static DataListSingleton GetInstance()
         {

ComputersShop/ComputersShopListImplement/Implements/ComponentStorage.cs

@@ -28,7 +28,7 @@ namespace ComputersShopListImplement.Implements
             }
             return result;
         }
-        public List<ComponentViewModel> GetFiltredList(ComponentSearchModel model)
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
         {
             var result = new List<ComponentViewModel>();
             if (string.IsNullOrEmpty(model.ComponentName))

ComputersShop/ComputersShopListImplement/Implements/ComputerStorage.cs

@@ -28,7 +28,7 @@ namespace ComputersShopListImplement.Implements
             }
             return result;
         }
-        public List<ComputerViewModel> GetFiltredList(ComputerSearchModel model)
+        public List<ComputerViewModel> GetFilteredList(ComputerSearchModel model)
         {
             var result = new List<ComputerViewModel>();
             if (string.IsNullOrEmpty(model.ComputerName))

ComputersShop/ComputersShopListImplement/Implements/OrderStorage.cs

@@ -24,22 +24,23 @@ namespace ComputersShopListImplement.Implements
             var result = new List<OrderViewModel>();
             foreach (var order in _source.Orders)
             {
-                result.Add(AddComputerName(order.GetViewModel));
+                result.Add(order.GetViewModel);
             }
             return result;
         }
-        public List<OrderViewModel> GetFiltredList(OrderSearchModel model)
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
         {
             var result = new List<OrderViewModel>();
-            if (model == null || !model.Id.HasValue)
+            if (!model.Id.HasValue)
             {
                 return result;
             }
+
             foreach (var order in _source.Orders)
             {
                 if (order.Id == model.Id)
                 {
-                    result.Add(AddComputerName(order.GetViewModel));
+                    result.Add(order.GetViewModel);
                 }
             }
             return result;
@@ -50,11 +51,12 @@ namespace ComputersShopListImplement.Implements
             {
                 return null;
             }
+
             foreach (var order in _source.Orders)
             {
                 if (model.Id.HasValue && order.Id == model.Id)
                 {
-                    return AddComputerName(order.GetViewModel);
+                    return order.GetViewModel;
                 }
             }
             return null;
@@ -69,13 +71,15 @@ namespace ComputersShopListImplement.Implements
                     model.Id = order.Id + 1;
                 }
             }
+
             var newOrder = Order.Create(model);
             if (newOrder == null)
             {
                 return null;
             }
+
             _source.Orders.Add(newOrder);
-            return AddComputerName(newOrder.GetViewModel);
+            return newOrder.GetViewModel;
         }
         public OrderViewModel? Update(OrderBindingModel model)
         {
@@ -84,7 +88,7 @@ namespace ComputersShopListImplement.Implements
                 if (order.Id == model.Id)
                 {
                     order.Update(model);
-                    return AddComputerName(order.GetViewModel);
+                    return order.GetViewModel;
                 }
             }
             return null;
@@ -97,20 +101,11 @@ namespace ComputersShopListImplement.Implements
                 {
                     var element = _source.Orders[i];
                     _source.Orders.RemoveAt(i);
-                    return AddComputerName(element.GetViewModel);
+                    return element.GetViewModel;
                 }
             }
             return null;
         }
-        private OrderViewModel AddComputerName(OrderViewModel model)
-        {
-            var selectedComputer = _source.Computers.Find(computer => computer.Id == model.ComputerId);
-            if (selectedComputer != null)
-            {
-                model.ComputerName = selectedComputer.ComputerName;
-            }
-            return model;
-        }
     }
 }
 

ComputersShop/ComputersShopListImplement/Implements/ShopStorage.cs

@@ -0,0 +1,120 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using AbstractShopListImplement;
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels;
+using ComputersShopDataModels.Models;
+using ComputersShopListImplement.Models;
+
+namespace ComputersShopListImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataListSingleton _source;
+        public ShopStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+        public List<ShopViewModel> GetFullList()
+        {
+            var result = new List<ShopViewModel>();
+            foreach (var shop in _source.Shops)
+            {
+                result.Add(shop.GetViewModel);
+            }
+            return result;
+        }
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            var result = new List<ShopViewModel>();
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return result;
+            }
+
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.ShopName.Contains(model.ShopName))
+                {
+                    result.Add(shop.GetViewModel);
+                }
+            }
+            return result;
+        }
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            foreach (var shop in _source.Shops)
+            {
+                if ((!string.IsNullOrEmpty(model.ShopName) && shop.ShopName == model.ShopName) || (model.Id.HasValue && shop.Id == model.Id))
+                {
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = 1;
+            foreach (var shop in _source.Shops)
+            {
+                if (model.Id <= shop.Id)
+                {
+                    model.Id = shop.Id + 1;
+                }
+            }
+
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+
+            _source.Shops.Add(newShop);
+            return newShop.GetViewModel;
+        }
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Id == model.Id)
+                {
+                    shop.Update(model);
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            for (int i = 0; i < _source.Shops.Count; ++i)
+            {
+                if (_source.Shops[i].Id == model.Id)
+                {
+                    var element = _source.Shops[i];
+                    _source.Shops.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public bool SellComputers(IComputerModel model, int count)
+        {
+            throw new NotImplementedException();
+        }
+        public bool CheckCount(IComputerModel model, int count)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

ComputersShop/ComputersShopListImplement/Models/Shop.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels;
+using ComputersShopDataModels.Models;
+
+namespace ComputersShopListImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        public string ShopName { get; private set; } = string.Empty;
+        public string Address { get; private set; } = string.Empty;
+        public DateTime DateOpening { get; private set; }
+        public Dictionary<int, (IComputerModel, int)> ShopComputers
+        {
+            get;
+            private set;
+        } = new Dictionary<int, (IComputerModel, int)>();
+        public int MaxComputers { get; private set; }
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOpening = model.DateOpening,
+                ShopComputers = model.ShopComputers,
+                MaxComputers = model.MaxComputers
+            };
+        }
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOpening = model.DateOpening;
+            ShopComputers = model.ShopComputers;
+            MaxComputers = model.MaxComputers;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOpening = DateOpening,
+            ShopComputers = ShopComputers,
+            MaxComputers = MaxComputers
+        };
+    }
+}

ComputersShop/ComputersShopView/FormComponent.cs

@@ -8,7 +8,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.SearchModels;
 using Microsoft.Extensions.Logging;
 

ComputersShop/ComputersShopView/FormComponents.cs

@@ -8,7 +8,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using Microsoft.Extensions.Logging;
 
 

ComputersShop/ComputersShopView/FormComputer.cs

@@ -8,7 +8,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.SearchModels;
 using ComputersShopDataModels.Models;
 using Microsoft.Extensions.Logging;

ComputersShop/ComputersShopView/FormComputerComponent.cs

@@ -7,7 +7,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.ViewModels;
 using ComputersShopDataModels.Models;
 

ComputersShop/ComputersShopView/FormComputers.cs

@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 using System.Windows.Forms;
 using Microsoft.Extensions.Logging;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 
 namespace ComputersShopView
 {

ComputersShop/ComputersShopView/FormCreateOrder.cs

@@ -8,7 +8,7 @@ using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.SearchModels;
 using Microsoft.Extensions.Logging;
 

ComputersShop/ComputersShopView/FormMain.Designer.cs

@@ -32,6 +32,9 @@
             this.справочникиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.компонентыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.изделияToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.магазиныToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.поставкиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.продажаИзделийToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.dataGridView = new System.Windows.Forms.DataGridView();
             this.buttonCreateOrder = new System.Windows.Forms.Button();
             this.buttonTakeOrderInWork = new System.Windows.Forms.Button();
@@ -57,7 +60,10 @@
             // 
             this.справочникиToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.компонентыToolStripMenuItem,
-            this.изделияToolStripMenuItem});
+            this.изделияToolStripMenuItem,
+            this.магазиныToolStripMenuItem,
+            this.поставкиToolStripMenuItem,
+            this.продажаИзделийToolStripMenuItem});
             this.справочникиToolStripMenuItem.Name = "справочникиToolStripMenuItem";
             this.справочникиToolStripMenuItem.Size = new System.Drawing.Size(117, 24);
             this.справочникиToolStripMenuItem.Text = "Справочники";
@@ -65,17 +71,38 @@
             // компонентыToolStripMenuItem
             // 
             this.компонентыToolStripMenuItem.Name = "компонентыToolStripMenuItem";
-            this.компонентыToolStripMenuItem.Size = new System.Drawing.Size(182, 26);
+            this.компонентыToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
             this.компонентыToolStripMenuItem.Text = "Компоненты";
             this.компонентыToolStripMenuItem.Click += new System.EventHandler(this.КомпонентыToolStripMenuItem_Click);
             // 
             // изделияToolStripMenuItem
             // 
             this.изделияToolStripMenuItem.Name = "изделияToolStripMenuItem";
-            this.изделияToolStripMenuItem.Size = new System.Drawing.Size(182, 26);
+            this.изделияToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
             this.изделияToolStripMenuItem.Text = "Изделия";
             this.изделияToolStripMenuItem.Click += new System.EventHandler(this.ИзделияToolStripMenuItem_Click);
             // 
+            // магазиныToolStripMenuItem
+            // 
+            this.магазиныToolStripMenuItem.Name = "магазиныToolStripMenuItem";
+            this.магазиныToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
+            this.магазиныToolStripMenuItem.Text = "Магазины";
+            this.магазиныToolStripMenuItem.Click += new System.EventHandler(this.МагазиныToolStripMenuItem_Click);
+            // 
+            // поставкиToolStripMenuItem
+            // 
+            this.поставкиToolStripMenuItem.Name = "поставкиToolStripMenuItem";
+            this.поставкиToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
+            this.поставкиToolStripMenuItem.Text = "Поставки";
+            this.поставкиToolStripMenuItem.Click += new System.EventHandler(this.ПоставкиToolStripMenuItem_Click);
+            // 
+            // продажаИзделийToolStripMenuItem
+            // 
+            this.продажаИзделийToolStripMenuItem.Name = "продажаИзделийToolStripMenuItem";
+            this.продажаИзделийToolStripMenuItem.Size = new System.Drawing.Size(224, 26);
+            this.продажаИзделийToolStripMenuItem.Text = "Продажа изделий";
+            this.продажаИзделийToolStripMenuItem.Click += new System.EventHandler(this.ПродажаизделийToolStripMenuItem_Click);
+            // 
             // dataGridView
             // 
             this.dataGridView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
@@ -175,5 +202,8 @@
         private Button buttonRef;
         private ToolStripMenuItem компонентыToolStripMenuItem;
         private ToolStripMenuItem изделияToolStripMenuItem;
+        private ToolStripMenuItem магазиныToolStripMenuItem;
+        private ToolStripMenuItem поставкиToolStripMenuItem;
+        private ToolStripMenuItem продажаИзделийToolStripMenuItem;
     }
 }

ComputersShop/ComputersShopView/FormMain.cs

@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 using System.Windows.Forms;
 using ComputersShopBusinessLogic.BusinessLogics;
 using ComputersShopContracts.BindingModels;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using Microsoft.Extensions.Logging;
 
 namespace ComputersShopView
@@ -64,6 +64,31 @@ namespace ComputersShopView
                 form.ShowDialog();
             }
         }
+        private void МагазиныToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormShops));
+            if (service is FormShops form)
+            {
+                form.ShowDialog();
+            }
+        }
+        private void ПоставкиToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSupply));
+            if (service is FormSupply form)
+            {
+                form.ShowDialog();
+            }
+        }
+        private void ПродажаизделийToolStripMenuItem_Click(object sender, EventArgs
+       e)
+        {
+            var services = Program.ServiceProvider?.GetService(typeof(FormSell));
+            if (services is FormSell form)
+            {
+                form.ShowDialog();
+            }
+        }
         private void ButtonCreateOrder_Click(object sender, EventArgs e)
         {
             var service =

ComputersShop/ComputersShopView/FormSell.Designer.cs

@@ -0,0 +1,120 @@
+namespace ComputersShopView
+{
+    partial class FormSell
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.labelComputer = new System.Windows.Forms.Label();
+            this.labelCount = new System.Windows.Forms.Label();
+            this.comboBoxComputer = new System.Windows.Forms.ComboBox();
+            this.textBoxCount = new System.Windows.Forms.TextBox();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // labelComputer
+            // 
+            this.labelComputer.AutoSize = true;
+            this.labelComputer.Location = new System.Drawing.Point(12, 50);
+            this.labelComputer.Name = "labelComputer";
+            this.labelComputer.Size = new System.Drawing.Size(71, 20);
+            this.labelComputer.TabIndex = 0;
+            this.labelComputer.Text = "Изделие:";
+            // 
+            // labelCount
+            // 
+            this.labelCount.AutoSize = true;
+            this.labelCount.Location = new System.Drawing.Point(12, 106);
+            this.labelCount.Name = "labelCount";
+            this.labelCount.Size = new System.Drawing.Size(93, 20);
+            this.labelCount.TabIndex = 1;
+            this.labelCount.Text = "Количество:";
+            // 
+            // comboBoxComputer
+            // 
+            this.comboBoxComputer.FormattingEnabled = true;
+            this.comboBoxComputer.Location = new System.Drawing.Point(137, 42);
+            this.comboBoxComputer.Name = "comboBoxComputer";
+            this.comboBoxComputer.Size = new System.Drawing.Size(267, 28);
+            this.comboBoxComputer.TabIndex = 2;
+            // 
+            // textBoxCount
+            // 
+            this.textBoxCount.Location = new System.Drawing.Point(137, 99);
+            this.textBoxCount.Name = "textBoxCount";
+            this.textBoxCount.Size = new System.Drawing.Size(267, 27);
+            this.textBoxCount.TabIndex = 3;
+            // 
+            // buttonSave
+            // 
+            this.buttonSave.Location = new System.Drawing.Point(244, 154);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(94, 29);
+            this.buttonSave.TabIndex = 4;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.buttonSave_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(368, 154);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 5;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // FormSell
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(474, 199);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSave);
+            this.Controls.Add(this.textBoxCount);
+            this.Controls.Add(this.comboBoxComputer);
+            this.Controls.Add(this.labelCount);
+            this.Controls.Add(this.labelComputer);
+            this.Name = "FormSell";
+            this.Text = "Продажа";
+            this.Load += new System.EventHandler(this.FormSell_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label labelComputer;
+        private Label labelCount;
+        private ComboBox comboBoxComputer;
+        private TextBox textBoxCount;
+        private Button buttonSave;
+        private Button buttonCancel;
+    }
+}

ComputersShop/ComputersShopView/FormSell.cs

@@ -0,0 +1,107 @@
+using ComputersShopContracts.BusinessLogicsContracts;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ComputersShopView
+{
+    public partial class FormSell : Form
+    {
+        private readonly ILogger _logger;
+
+        /// <summary>
+        /// Бизнес-логика для изделий
+        /// </summary>
+        private readonly IComputerLogic _logicC;
+
+        /// <summary>
+        /// Бизнес-логика для магазинов
+        /// </summary>
+        private readonly IShopLogic _logicS;
+        public FormSell(ILogger<FormSell> logger, IComputerLogic planeLogic, IShopLogic shopLogic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicC = planeLogic;
+            _logicS = shopLogic;
+        }
+        private void FormSell_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка изделий для продажи");
+            try
+            {
+                var list = _logicC.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxComputer.DisplayMember = "ComputerName";
+                    comboBoxComputer.ValueMember = "Id";
+                    comboBoxComputer.DataSource = list;
+                    comboBoxComputer.SelectedItem = null;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка изделий");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        /// <summary>
+        /// Кнопка "Сохранить"
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxComputer.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Продажа изделий");
+            _logger.LogInformation("Создание заказа");
+            try
+            {
+                var operationResult = _logicS.SellComputers(
+                    _logicC.ReadElement(new() { Id = Convert.ToInt32(comboBoxComputer.SelectedValue) }),
+                    Convert.ToInt32(textBoxCount.Text)
+                );
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при продаже изделий. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Продажа прошла успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка продажи изделий");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        /// <summary>
+        /// Кнопка "Отмена"
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

ComputersShop/ComputersShopView/FormSell.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

ComputersShop/ComputersShopView/FormShop.Designer.cs

@@ -0,0 +1,211 @@
+namespace ComputersShopView
+{
+    partial class FormShop
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.label3 = new System.Windows.Forms.Label();
+            this.dateTimePicker = new System.Windows.Forms.DateTimePicker();
+            this.textBoxAddress = new System.Windows.Forms.TextBox();
+            this.textBoxName = new System.Windows.Forms.TextBox();
+            this.dataGridViewShop = new System.Windows.Forms.DataGridView();
+            this.id = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.ComputerName = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.Count = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.labelMaxComputers = new System.Windows.Forms.Label();
+            this.textBoxMaxComputers = new System.Windows.Forms.TextBox();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridViewShop)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(12, 22);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(80, 20);
+            this.label1.TabIndex = 0;
+            this.label1.Text = "Название:";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(12, 61);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(54, 20);
+            this.label2.TabIndex = 1;
+            this.label2.Text = "Адрес:";
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(12, 102);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(44, 20);
+            this.label3.TabIndex = 2;
+            this.label3.Text = "Дата:";
+            // 
+            // dateTimePicker
+            // 
+            this.dateTimePicker.Location = new System.Drawing.Point(121, 97);
+            this.dateTimePicker.Name = "dateTimePicker";
+            this.dateTimePicker.Size = new System.Drawing.Size(386, 27);
+            this.dateTimePicker.TabIndex = 3;
+            // 
+            // textBoxAddress
+            // 
+            this.textBoxAddress.Location = new System.Drawing.Point(121, 61);
+            this.textBoxAddress.Name = "textBoxAddress";
+            this.textBoxAddress.Size = new System.Drawing.Size(386, 27);
+            this.textBoxAddress.TabIndex = 4;
+            this.textBoxAddress.TextChanged += new System.EventHandler(this.FormShop_Load);
+            // 
+            // textBoxName
+            // 
+            this.textBoxName.Location = new System.Drawing.Point(121, 22);
+            this.textBoxName.Name = "textBoxName";
+            this.textBoxName.Size = new System.Drawing.Size(386, 27);
+            this.textBoxName.TabIndex = 5;
+            // 
+            // dataGridViewShop
+            // 
+            this.dataGridViewShop.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.dataGridViewShop.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
+            this.id,
+            this.ComputerName,
+            this.Count});
+            this.dataGridViewShop.Location = new System.Drawing.Point(23, 197);
+            this.dataGridViewShop.Name = "dataGridViewShop";
+            this.dataGridViewShop.RowHeadersWidth = 51;
+            this.dataGridViewShop.RowTemplate.Height = 29;
+            this.dataGridViewShop.Size = new System.Drawing.Size(507, 173);
+            this.dataGridViewShop.TabIndex = 6;
+            // 
+            // id
+            // 
+            this.id.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
+            this.id.HeaderText = "Id";
+            this.id.MinimumWidth = 6;
+            this.id.Name = "id";
+            this.id.Visible = false;
+            // 
+            // ComputerName
+            // 
+            this.ComputerName.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
+            this.ComputerName.HeaderText = "Название";
+            this.ComputerName.MinimumWidth = 6;
+            this.ComputerName.Name = "ComputerName";
+            // 
+            // Count
+            // 
+            this.Count.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
+            this.Count.HeaderText = "Количество";
+            this.Count.MinimumWidth = 6;
+            this.Count.Name = "Count";
+            // 
+            // buttonSave
+            // 
+            this.buttonSave.Location = new System.Drawing.Point(319, 376);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(94, 29);
+            this.buttonSave.TabIndex = 7;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.ButtonSave_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(436, 376);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 8;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // labelMaxComputers
+            // 
+            this.labelMaxComputers.AutoSize = true;
+            this.labelMaxComputers.Location = new System.Drawing.Point(12, 150);
+            this.labelMaxComputers.Name = "labelMaxComputers";
+            this.labelMaxComputers.Size = new System.Drawing.Size(103, 20);
+            this.labelMaxComputers.TabIndex = 9;
+            this.labelMaxComputers.Text = "Вместимость:";
+            // 
+            // textBoxMaxComputers
+            // 
+            this.textBoxMaxComputers.Location = new System.Drawing.Point(121, 147);
+            this.textBoxMaxComputers.Name = "textBoxMaxComputers";
+            this.textBoxMaxComputers.Size = new System.Drawing.Size(386, 27);
+            this.textBoxMaxComputers.TabIndex = 10;
+            // 
+            // FormShop
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(546, 417);
+            this.Controls.Add(this.textBoxMaxComputers);
+            this.Controls.Add(this.labelMaxComputers);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSave);
+            this.Controls.Add(this.dataGridViewShop);
+            this.Controls.Add(this.textBoxName);
+            this.Controls.Add(this.textBoxAddress);
+            this.Controls.Add(this.dateTimePicker);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.label1);
+            this.Name = "FormShop";
+            this.Text = "Магазин";
+            this.Load += new System.EventHandler(this.FormShop_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridViewShop)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label label1;
+        private Label label2;
+        private Label label3;
+        private DateTimePicker dateTimePicker;
+        private TextBox textBoxAddress;
+        private TextBox textBoxName;
+        private DataGridView dataGridViewShop;
+        private Button buttonSave;
+        private Button buttonCancel;
+        private DataGridViewTextBoxColumn id;
+        private DataGridViewTextBoxColumn ComputerName;
+        private DataGridViewTextBoxColumn Count;
+        private Label labelMaxComputers;
+        private TextBox textBoxMaxComputers;
+    }
+}

ComputersShop/ComputersShopView/FormShop.cs

@@ -0,0 +1,131 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopDataModels.Models;
+using Microsoft.Extensions.Logging;
+
+namespace ComputersShopView
+{
+    public partial class FormShop : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IShopLogic _logic;
+        private int? _id;
+        public int Id { set { _id = value; } }
+        private Dictionary<int, (IComputerModel, int)> _shopComputers;
+        public FormShop(ILogger<FormShop> logger, IShopLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+            _shopComputers = new Dictionary<int, (IComputerModel, int)>();
+
+        }
+        private void FormShop_Load(object sender, EventArgs e)
+        {
+            if (_id.HasValue)
+            {
+                _logger.LogInformation("Загрузка магазина");
+                try
+                {
+                    var view = _logic.ReadElement(new ShopSearchModel { Id = _id.Value });
+                    if (view != null)
+                    {
+                        textBoxName.Text = view.ShopName;
+                        textBoxAddress.Text = view.Address;
+                        dateTimePicker.Text = view.DateOpening.ToString();
+                        textBoxMaxComputers.Text = view.MaxComputers.ToString();
+                        _shopComputers = view.ShopComputers ?? new Dictionary<int, (IComputerModel, int)>();
+                        LoadData();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка загрузки магазина");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void LoadData()
+        {
+            _logger.LogInformation("Загрузка изделий магазина");
+            try
+            {
+                if (_shopComputers != null)
+                {
+                    dataGridViewShop.Rows.Clear();
+                    foreach (var elem in _shopComputers)
+                    {
+                        dataGridViewShop.Rows.Add(new object[]
+                        {
+                            elem.Key,
+                            elem.Value.Item1.ComputerName,
+                            elem.Value.Item2
+                        });
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки изделий магазина");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxName.Text))
+            {
+                MessageBox.Show("Заполните название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (string.IsNullOrEmpty(textBoxAddress.Text))
+            {
+                MessageBox.Show("Заполните адрес", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Сохранение магазина");
+            try
+            {
+                var model = new ShopBindingModel
+                {
+                    Id = _id ?? 0,
+                    ShopName = textBoxName.Text,
+                    Address = textBoxAddress.Text,
+                    DateOpening = dateTimePicker.Value.Date,
+                    ShopComputers = _shopComputers,
+                    MaxComputers = Convert.ToInt32(textBoxMaxComputers.Text)
+                };
+                var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка сохранения магазина");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
+}

ComputersShop/ComputersShopView/FormShop.resx

@@ -0,0 +1,69 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="id.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ComputerName.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="Count.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+</root>

ComputersShop/ComputersShopView/FormShops.Designer.cs

@@ -0,0 +1,115 @@
+namespace ComputersShopView
+{
+    partial class FormShops
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.dataGridViewShops = new System.Windows.Forms.DataGridView();
+            this.buttonAdd = new System.Windows.Forms.Button();
+            this.buttonUpdate = new System.Windows.Forms.Button();
+            this.buttonDelete = new System.Windows.Forms.Button();
+            this.buttonRefresh = new System.Windows.Forms.Button();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridViewShops)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // dataGridViewShops
+            // 
+            this.dataGridViewShops.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.dataGridViewShops.Location = new System.Drawing.Point(3, 1);
+            this.dataGridViewShops.Name = "dataGridViewShops";
+            this.dataGridViewShops.RowHeadersWidth = 51;
+            this.dataGridViewShops.RowTemplate.Height = 29;
+            this.dataGridViewShops.Size = new System.Drawing.Size(572, 453);
+            this.dataGridViewShops.TabIndex = 0;
+            // 
+            // buttonAdd
+            // 
+            this.buttonAdd.Location = new System.Drawing.Point(605, 41);
+            this.buttonAdd.Name = "buttonAdd";
+            this.buttonAdd.Size = new System.Drawing.Size(94, 29);
+            this.buttonAdd.TabIndex = 1;
+            this.buttonAdd.Text = "Добавить";
+            this.buttonAdd.UseVisualStyleBackColor = true;
+            this.buttonAdd.Click += new System.EventHandler(this.ButtonAdd_Click);
+            // 
+            // buttonUpdate
+            // 
+            this.buttonUpdate.Location = new System.Drawing.Point(605, 96);
+            this.buttonUpdate.Name = "buttonUpdate";
+            this.buttonUpdate.Size = new System.Drawing.Size(94, 29);
+            this.buttonUpdate.TabIndex = 2;
+            this.buttonUpdate.Text = "Изменить";
+            this.buttonUpdate.UseVisualStyleBackColor = true;
+            this.buttonUpdate.Click += new System.EventHandler(this.ButtonUpdate_Click);
+            // 
+            // buttonDelete
+            // 
+            this.buttonDelete.Location = new System.Drawing.Point(605, 145);
+            this.buttonDelete.Name = "buttonDelete";
+            this.buttonDelete.Size = new System.Drawing.Size(94, 29);
+            this.buttonDelete.TabIndex = 3;
+            this.buttonDelete.Text = "Удалить";
+            this.buttonDelete.UseVisualStyleBackColor = true;
+            this.buttonDelete.Click += new System.EventHandler(this.ButtonDelete_Click);
+            // 
+            // buttonRefresh
+            // 
+            this.buttonRefresh.Location = new System.Drawing.Point(605, 197);
+            this.buttonRefresh.Name = "buttonRefresh";
+            this.buttonRefresh.Size = new System.Drawing.Size(94, 29);
+            this.buttonRefresh.TabIndex = 4;
+            this.buttonRefresh.Text = "Обновить";
+            this.buttonRefresh.UseVisualStyleBackColor = true;
+            this.buttonRefresh.Click += new System.EventHandler(this.ButtonRefresh_Click);
+            // 
+            // FormShops
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(733, 450);
+            this.Controls.Add(this.buttonRefresh);
+            this.Controls.Add(this.buttonDelete);
+            this.Controls.Add(this.buttonUpdate);
+            this.Controls.Add(this.buttonAdd);
+            this.Controls.Add(this.dataGridViewShops);
+            this.Name = "FormShops";
+            this.Text = "Магазины";
+            this.Load += new System.EventHandler(this.FormShops_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridViewShops)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private DataGridView dataGridViewShops;
+        private Button buttonAdd;
+        private Button buttonUpdate;
+        private Button buttonDelete;
+        private Button buttonRefresh;
+    }
+}

ComputersShop/ComputersShopView/FormShops.cs

@@ -0,0 +1,110 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicsContracts;
+using Microsoft.Extensions.Logging;
+
+namespace ComputersShopView
+{
+    public partial class FormShops : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IShopLogic _logic;
+        public FormShops(ILogger<FormShops> logger, IShopLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+        private void LoadData()
+        {
+            try
+            {
+                var list = _logic.ReadList(null);
+                if (list != null)
+                {
+                    dataGridViewShops.DataSource = list;
+                    dataGridViewShops.Columns["Id"].Visible = false;
+                    dataGridViewShops.Columns["ShopName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                    dataGridViewShops.Columns["ShopComputers"].Visible = false;
+                }
+                _logger.LogInformation("Загрузка магазинов");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки магазинов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void FormShops_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void ButtonAdd_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormShop));
+            if (service is FormShop form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
+
+        private void ButtonUpdate_Click(object sender, EventArgs e)
+        {
+            if (dataGridViewShops.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormShop));
+                if (service is FormShop form)
+                {
+                    form.Id = Convert.ToInt32(dataGridViewShops.SelectedRows[0].Cells["Id"].Value);
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        LoadData();
+                    }
+                }
+            }
+        }
+
+        private void ButtonRefresh_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void ButtonDelete_Click(object sender, EventArgs e)
+        {
+            if (dataGridViewShops.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id = Convert.ToInt32(dataGridViewShops.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Удаление магазина");
+                    try
+                    {
+                        if (!_logic.Delete(new ShopBindingModel { Id = id }))
+                        {
+                            throw new Exception("Ошибка при удалении. Дополнительная информация в логах.");
+                        }
+                        LoadData();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Ошибка удаления магазина");
+                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+    }
+}

ComputersShop/ComputersShopView/FormShops.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

ComputersShop/ComputersShopView/FormSupply.Designer.cs

@@ -0,0 +1,150 @@
+namespace ComputersShopView
+{
+    partial class FormSupply
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.labelShop = new System.Windows.Forms.Label();
+            this.labelComputer = new System.Windows.Forms.Label();
+            this.labelCount = new System.Windows.Forms.Label();
+            this.comboBoxComputer = new System.Windows.Forms.ComboBox();
+            this.comboBoxShop = new System.Windows.Forms.ComboBox();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.numericUpDownCount = new System.Windows.Forms.NumericUpDown();
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownCount)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // labelShop
+            // 
+            this.labelShop.AutoSize = true;
+            this.labelShop.Location = new System.Drawing.Point(28, 46);
+            this.labelShop.Name = "labelShop";
+            this.labelShop.Size = new System.Drawing.Size(72, 20);
+            this.labelShop.TabIndex = 0;
+            this.labelShop.Text = "Магазин:";
+            // 
+            // labelComputer
+            // 
+            this.labelComputer.AutoSize = true;
+            this.labelComputer.Location = new System.Drawing.Point(28, 96);
+            this.labelComputer.Name = "labelComputer";
+            this.labelComputer.Size = new System.Drawing.Size(93, 20);
+            this.labelComputer.TabIndex = 1;
+            this.labelComputer.Text = "Компьютер:";
+            // 
+            // labelCount
+            // 
+            this.labelCount.AutoSize = true;
+            this.labelCount.Location = new System.Drawing.Point(28, 146);
+            this.labelCount.Name = "labelCount";
+            this.labelCount.Size = new System.Drawing.Size(93, 20);
+            this.labelCount.TabIndex = 2;
+            this.labelCount.Text = "Количество:";
+            // 
+            // comboBoxComputer
+            // 
+            this.comboBoxComputer.FormattingEnabled = true;
+            this.comboBoxComputer.Location = new System.Drawing.Point(142, 88);
+            this.comboBoxComputer.Name = "comboBoxComputer";
+            this.comboBoxComputer.Size = new System.Drawing.Size(349, 28);
+            this.comboBoxComputer.TabIndex = 4;
+            // 
+            // comboBoxShop
+            // 
+            this.comboBoxShop.FormattingEnabled = true;
+            this.comboBoxShop.Location = new System.Drawing.Point(142, 38);
+            this.comboBoxShop.Name = "comboBoxShop";
+            this.comboBoxShop.Size = new System.Drawing.Size(349, 28);
+            this.comboBoxShop.TabIndex = 5;
+            // 
+            // buttonSave
+            // 
+            this.buttonSave.Location = new System.Drawing.Point(328, 186);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(94, 29);
+            this.buttonSave.TabIndex = 6;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.ButtonSave_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(446, 186);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 7;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // numericUpDownCount
+            // 
+            this.numericUpDownCount.Location = new System.Drawing.Point(142, 139);
+            this.numericUpDownCount.Maximum = new decimal(new int[] {
+            1000,
+            0,
+            0,
+            0});
+            this.numericUpDownCount.Name = "numericUpDownCount";
+            this.numericUpDownCount.Size = new System.Drawing.Size(348, 27);
+            this.numericUpDownCount.TabIndex = 8;
+            // 
+            // FormSupply
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(552, 227);
+            this.Controls.Add(this.numericUpDownCount);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSave);
+            this.Controls.Add(this.comboBoxShop);
+            this.Controls.Add(this.comboBoxComputer);
+            this.Controls.Add(this.labelCount);
+            this.Controls.Add(this.labelComputer);
+            this.Controls.Add(this.labelShop);
+            this.Name = "FormSupply";
+            this.Text = "Поставки";
+            this.Load += new System.EventHandler(this.FormSupply_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpDownCount)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label labelShop;
+        private Label labelComputer;
+        private Label labelCount;
+        private ComboBox comboBoxComputer;
+        private ComboBox comboBoxShop;
+        private Button buttonSave;
+        private Button buttonCancel;
+        private NumericUpDown numericUpDownCount;
+    }
+}

ComputersShop/ComputersShopView/FormSupply.cs

@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using ComputersShopBusinessLogic.BusinessLogics;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels;
+using ComputersShopDataModels.Models;
+using Microsoft.Extensions.Logging;
+
+namespace ComputersShopView
+{
+    public partial class FormSupply : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IShopLogic _logicS;
+        private readonly IComputerLogic _logicC;
+
+        public FormSupply(ILogger<FormSupply> logger, IShopLogic logicS, IComputerLogic logicC)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicS = logicS;
+            _logicC = logicC;
+        }
+        private void FormSupply_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка магазинов");
+            try
+            {
+                var listShops = _logicS.ReadList(null);
+                if (listShops != null)
+                {
+                    comboBoxShop.DisplayMember = "ShopName";
+                    comboBoxShop.ValueMember = "Id";
+                    comboBoxShop.DataSource = listShops;
+                    comboBoxShop.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка магазинов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+
+            _logger.LogInformation("Загрузка изделий");
+            try
+            {
+                var listComputers = _logicC.ReadList(null);
+                if (listComputers != null)
+                {
+                    comboBoxComputer.DisplayMember = "ComputerName";
+                    comboBoxComputer.ValueMember = "Id";
+                    comboBoxComputer.DataSource = listComputers;
+                    comboBoxComputer.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка изделий");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            if (comboBoxShop.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите магазин", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxComputer.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Добавление изделия в магазин");
+            try
+            {
+                var computer = _logicC.ReadElement(new()
+                {
+                    Id = (int)comboBoxComputer.SelectedValue
+                });
+                if (computer == null)
+                {
+                    throw new Exception("Не найдено изделие. Дополнительная информация в логах.");
+                }
+                var resultOperation = _logicS.AddComputerInShop(
+                     new ShopSearchModel
+                     {
+                         Id = (int)comboBoxShop.SelectedValue
+                     },
+                     computer,
+                     (int)numericUpDownCount.Value
+                );
+                if (!resultOperation)
+                {
+                    throw new Exception("Ошибка при добавлении. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка добавления поступления");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

ComputersShop/ComputersShopView/FormSupply.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

ComputersShop/ComputersShopView/Program.cs

@@ -1,7 +1,8 @@
-using ComputersShopBusinessLogic.BusinessLogics;
-using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopBusinessLogic.BusinessLogics;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.StoragesContracts;
 using ComputersShopFileImplement.Implements;
+using ComputersShopView;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
@@ -11,8 +12,12 @@ namespace ComputersShopView
 {
     internal static class Program
     {
+        /// <summary>
+        /// IoC-êîíòåéíåð
+        /// </summary>
         private static ServiceProvider? _serviceProvider;
         public static ServiceProvider? ServiceProvider => _serviceProvider;
+
         /// <summary>
         ///  The main entry point for the application.
         /// </summary>
@@ -22,11 +27,18 @@ namespace ComputersShopView
             // To customize application configuration such as set high DPI settings or default font,
             // see https://aka.ms/applicationconfiguration.
             ApplicationConfiguration.Initialize();
+
             var services = new ServiceCollection();
             ConfigureServices(services);
             _serviceProvider = services.BuildServiceProvider();
+
             Application.Run(_serviceProvider.GetRequiredService<FormMain>());
         }
+
+        /// <summary>
+        /// Íàñòðîéêà IoC-êîíòåéíåðà è ëîããåðà
+        /// </summary>
+        /// <param name="services"></param>
         private static void ConfigureServices(ServiceCollection services)
         {
             services.AddLogging(option =>
@@ -34,13 +46,16 @@ namespace ComputersShopView
                 option.SetMinimumLevel(LogLevel.Information);
                 option.AddNLog("nlog.config");
             });
+
             services.AddTransient<IComponentStorage, ComponentStorage>();
             services.AddTransient<IOrderStorage, OrderStorage>();
             services.AddTransient<IComputerStorage, ComputerStorage>();
+            services.AddTransient<IShopStorage, ShopStorage>();
 
             services.AddTransient<IComponentLogic, ComponentLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
             services.AddTransient<IComputerLogic, ComputerLogic>();
+            services.AddTransient<IShopLogic, ShopLogic>();
 
             services.AddTransient<FormMain>();
             services.AddTransient<FormComponent>();
@@ -49,6 +64,10 @@ namespace ComputersShopView
             services.AddTransient<FormComputer>();
             services.AddTransient<FormComputerComponent>();
             services.AddTransient<FormComputers>();
+            services.AddTransient<FormShops>();
+            services.AddTransient<FormShop>();
+            services.AddTransient<FormSupply>();
+            services.AddTransient<FormSell>();
         }
     }
 }