Готово

Pizzeria/Pizzeria.sln

@@ -11,7 +11,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaDataModels", "Pizze
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaListImplement", "PizzeriaListImplement\PizzeriaListImplement.csproj", "{E219B355-7A12-4E5C-A09A-035A60B11A9D}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaView", "PizzeriaView\PizzeriaView.csproj", "{BE1F3CE5-00CC-4816-BB43-8F9BC6FA7DC1}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaView", "PizzeriaView\PizzeriaView.csproj", "{BE1F3CE5-00CC-4816-BB43-8F9BC6FA7DC1}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaFileImplement", "PizzeriaFileImplement\PizzeriaFileImplement.csproj", "{5DCE4FAE-CF2A-48A2-863A-EDED5B420203}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaDatabaseImplement", "PizzeriaDatabaseImplement\PizzeriaDatabaseImplement.csproj", "{AA78A273-0E83-4B45-A155-F9CAFD64E895}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +43,14 @@ Global
 		{BE1F3CE5-00CC-4816-BB43-8F9BC6FA7DC1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{BE1F3CE5-00CC-4816-BB43-8F9BC6FA7DC1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{BE1F3CE5-00CC-4816-BB43-8F9BC6FA7DC1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5DCE4FAE-CF2A-48A2-863A-EDED5B420203}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5DCE4FAE-CF2A-48A2-863A-EDED5B420203}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5DCE4FAE-CF2A-48A2-863A-EDED5B420203}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5DCE4FAE-CF2A-48A2-863A-EDED5B420203}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AA78A273-0E83-4B45-A155-F9CAFD64E895}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AA78A273-0E83-4B45-A155-F9CAFD64E895}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AA78A273-0E83-4B45-A155-F9CAFD64E895}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AA78A273-0E83-4B45-A155-F9CAFD64E895}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Pizzeria/PizzeriaBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -5,6 +5,7 @@ using PizzeriaContracts.SearchModels;
 using PizzeriaContracts.StoragesContracts;
 using PizzeriaContracts.ViewModels;
 using PizzeriaDataModels.Enums;
+using PizzeriaDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -17,15 +18,25 @@ namespace PizzeriaBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        private readonly IShopStorage _shopStorage;
+        private readonly IShopLogic _shopLogic;
+        private readonly IPizzaStorage _pizzaStorage;
+
+        public OrderLogic(IOrderStorage orderStorage, IShopStorage shopStorage, IShopLogic shopLogic, IPizzaStorage pizzaStorage, ILogger<OrderLogic> logger)
         {
             _logger = logger;
             _orderStorage = orderStorage;
+            _shopStorage = shopStorage;
+            _logger = logger;
+            _shopLogic = shopLogic;
+            _pizzaStorage = pizzaStorage;
         }
+
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
         {
-            _logger.LogInformation("ReadList. OrderId:{Id}", model?.Id);
+            _logger.LogInformation("ReadList. Id:{ Id}", model?.Id);
-            var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+            var list = model == null ? _orderStorage.GetFullList() :
+           _orderStorage.GetFilteredList(model);
             if (list == null)
             {
                 _logger.LogWarning("ReadList return null list");
@@ -34,11 +45,11 @@ namespace PizzeriaBusinessLogic.BusinessLogics
             _logger.LogInformation("ReadList. Count:{Count}", list.Count);
             return list;
         }
+
         public bool CreateOrder(OrderBindingModel model)
         {
             CheckModel(model);
-            if (model.Status != OrderStatus.Неизвестен)
+            if (model.Status != OrderStatus.Неизвестен) return false;
-                return false;
             model.Status = OrderStatus.Принят;
             if (_orderStorage.Insert(model) == null)
             {
@@ -47,6 +58,98 @@ namespace PizzeriaBusinessLogic.BusinessLogics
             }
             return true;
         }
+        private bool CheckSupply(IPizzaModel Pizza, int count)
+        {
+            if (count <= 0)
+            {
+                _logger.LogWarning("Check then supply operation error. Pizza count < 0.");
+                return false;
+            }
+
+            int sumCapacity = 0;
+            int sumCount = 0;
+            sumCapacity = _shopStorage.GetFullList().Select(x => x.PizzaMaxCount).Sum();
+            sumCount = _shopStorage.GetFullList().Select(x => x.ShopPizzas.Select(y => y.Value.Item2).Sum()).Sum();
+            int freeSpace = sumCapacity - sumCount;
+
+            if (freeSpace - count < 0)
+            {
+                _logger.LogWarning("Check then supply operation error. There's no place for new Pizza in shops.");
+                return false;
+            }
+
+            foreach (var shop in _shopStorage.GetFullList())
+            {
+                freeSpace = shop.PizzaMaxCount;
+                foreach (var doc in shop.ShopPizzas)
+                {
+                    freeSpace -= doc.Value.Item2;
+                }
+                if (freeSpace == 0)
+                {
+                    continue;
+                }
+                if (freeSpace - count >= 0)
+                {
+                    if (_shopLogic.MakeSupply(new() { Id = shop.Id }, Pizza, count))
+                        count = 0;
+                    else
+                    {
+                        _logger.LogWarning("Supply error");
+                        return false;
+                    }
+                }
+                if (freeSpace - count < 0)
+                {
+                    if (_shopLogic.MakeSupply(new() { Id = shop.Id }, Pizza, freeSpace))
+                        count -= freeSpace;
+                    else
+                    {
+                        _logger.LogWarning("Supply error");
+                        return false;
+                    }
+                }
+                if (count <= 0)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+        private bool ChangeStatus(OrderBindingModel model, OrderStatus status)
+        {
+            CheckModel(model);
+            var element = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
+            if (element == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                return false;
+            }
+            if (element.Status != status - 1)
+            {
+                _logger.LogWarning("Status change operation failed");
+                throw new InvalidOperationException("Текущий статус заказа не может быть переведен в выбранный");
+            }
+            if (element.Status == OrderStatus.Готов)
+            {
+                var computer = _pizzaStorage.GetElement(new PizzaSearchModel() { Id = model.PizzaId });
+                if (computer == null)
+                {
+                    _logger.LogWarning("Status update to " + status.ToString() + " operation failed. Document not found.");
+                    return false;
+                }
+                if (CheckSupply(computer, model.Count) == false)
+                {
+                    _logger.LogWarning("Status update to " + status.ToString() + " operation failed. Shop supply error.");
+                    return false;
+                }
+            }
+            model.Status = status;
+            if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
+            _orderStorage.Update(model);
+            return true;
+        }
 
         public bool TakeOrderInWork(OrderBindingModel model)
         {
@@ -73,53 +176,15 @@ namespace PizzeriaBusinessLogic.BusinessLogics
             {
                 return;
             }
-            if (model.Count <= 0)
-            {
-                throw new ArgumentException("Колличество пиццы в заказе не может быть меньше 1", nameof(model.Count));
-            }
             if (model.Sum <= 0)
             {
-                throw new ArgumentException("Стоимость заказа на может быть меньше 1", nameof(model.Sum));
+                throw new ArgumentNullException("Цена заказа должна быть больше 0", nameof(model.Sum));
             }
-            if (model.DateImplement.HasValue && model.DateImplement < model.DateCreate)
+            if (model.Count <= 0)
             {
-                throw new ArithmeticException($"Дата выдачи заказа {model.DateImplement} не может быть раньше даты его создания {model.DateCreate}");
+                throw new ArgumentNullException("Количество элементов в заказе должно быть больше 0", nameof(model.Count));
             }
-            _logger.LogInformation("Pizza. PizzaId:{PizzaId}.Count:{Count}.Sum:{Sum}Id:{Id}",
+            _logger.LogInformation("Order. Sum:{ Cost}. Id: { Id}", model.Sum, model.Id);
-                model.PizzaId, model.Count, model.Sum, model.Id);
-        }
-
-        private bool ChangeStatus(OrderBindingModel model, OrderStatus requiredStatus)
-        {
-            CheckModel(model, false);
-            var element = _orderStorage.GetElement(new OrderSearchModel()
-            {
-                Id = model.Id
-            });
-            if (element == null)
-            {
-                throw new ArgumentNullException(nameof(element));
-            }
-            model.DateCreate = element.DateCreate;
-            model.PizzaId = element.PizzaId;
-            model.DateImplement = element.DateImplement;
-            model.Status = element.Status;
-            model.Count = element.Count;
-            model.Sum = element.Sum;
-            if (requiredStatus - model.Status == 1)
-            {
-                model.Status = requiredStatus;
-                if (model.Status == OrderStatus.Готов)
-                    model.DateImplement = DateTime.Now;
-                if (_orderStorage.Update(model) == null)
-                {
-                    _logger.LogWarning("Update operation failed");
-                    return false;
-                }
-                return true;
-            }
-            _logger.LogWarning("Changing status operation faled: Current-{Status}:required-{requiredStatus}.", model.Status, requiredStatus);
-            throw new ArgumentException($"Невозможно присвоить статус {requiredStatus} заказу с текущим статусом {model.Status}");
         }
     }
 }

Pizzeria/PizzeriaBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -4,6 +4,7 @@ using PizzeriaContracts.BusinessLogicsContracts;
 using PizzeriaContracts.SearchModels;
 using PizzeriaContracts.StoragesContracts;
 using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -89,41 +90,47 @@ namespace PizzeriaBusinessLogic.BusinessLogics
             return true;
         }
 
-        public bool MakeSupply(SupplyBindingModel model)
+
+        public bool MakeSupply(ShopSearchModel model, IPizzaModel pizza, int count)
         {
+
             if (model == null)
-            {
                 throw new ArgumentNullException(nameof(model));
-            }
+            if (pizza == null)
-            if (model.Count <= 0)
+                throw new ArgumentNullException(nameof(pizza));
+            if (count <= 0)
+                throw new ArgumentNullException("Количество должно быть положительным числом");
+
+            ShopViewModel curModel = _shopStorage.GetElement(model);
+            if (curModel == null)
+                throw new ArgumentNullException(nameof(curModel));
+            var countItems = curModel.ShopPizzas.Select(x => x.Value.Item2).Sum();
+            if (curModel.PizzaMaxCount - countItems >= count)
             {
-                throw new ArgumentException("Количество изделий должно быть больше 0");
+                if (curModel.ShopPizzas.TryGetValue(pizza.Id, out var sameDocument))
-            }
-            var shop = _shopStorage.GetElement(new ShopSearchModel
                 {
-                Id = model.ShopId
+                    curModel.ShopPizzas[pizza.Id] = (pizza, sameDocument.Item2 + count);
-            });
+                    _logger.LogInformation("Same pizza found by supply. Added {0} of {1} in {2} shop", count, pizza.PizzaName, curModel.ShopName);
-            if (shop == null)
-            {
-                throw new ArgumentException("Магазина не существует");
-            }
-            if (shop.ShopPizzas.ContainsKey(model.PizzaId))
-            {
-                var oldValue = shop.ShopPizzas[model.PizzaId];
-                oldValue.Item2 += model.Count;
-                shop.ShopPizzas[model.PizzaId] = oldValue;
                 }
                 else
                 {
-                var pizza = _pizzaStorage.GetElement(new PizzaSearchModel
+                    curModel.ShopPizzas[pizza.Id] = (pizza, count);
-                {
+                    _logger.LogInformation("New pizza added by supply. Added {0} of {1} in {2} shop", count, pizza.PizzaName, curModel.ShopName);
-                    Id = model.PizzaId
-                });
-                if (pizza == null)
-                {
-                    throw new ArgumentException($"Поставка: Товар с id:{model.PizzaId} не найден");
                 }
-                shop.ShopPizzas.Add(model.PizzaId, (pizza, model.Count));
+                _shopStorage.Update(new()
+                {
+                    Id = curModel.Id,
+                    ShopName = curModel.ShopName,
+                    Adress = curModel.Adress,
+                    OpeningDate = curModel.OpeningDate,
+                    ShopPizzas = curModel.ShopPizzas,
+                    PizzaMaxCount = curModel.PizzaMaxCount
+                });
+            }
+            else
+            {
+                _logger.LogWarning("Required shop is overflowed");
+                return false;
             }
             return true;
         }
@@ -140,7 +147,7 @@ namespace PizzeriaBusinessLogic.BusinessLogics
             }
             if (string.IsNullOrEmpty(model.Adress))
             {
-                throw new ArgumentException("Адрес магазина длжен быть заполнен", nameof(model.Adress));
+                throw new ArgumentException("Адрес магазина должен быть заполнен", nameof(model.Adress));
             }
             if (string.IsNullOrEmpty(model.ShopName))
             {
@@ -156,5 +163,10 @@ namespace PizzeriaBusinessLogic.BusinessLogics
                 throw new InvalidOperationException("Магазин с таким названием уже есть");
             }
         }
+
+        public bool MakeSell(IPizzaModel pizza, int count)
+        {
+            return _shopStorage.SellPizzas(pizza, count);
+        }
     }
 }

Pizzeria/PizzeriaBusinessLogic/PizzeriaBusinessLogic.csproj

@@ -6,6 +6,19 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.27" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.27">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.27" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.27">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
   </ItemGroup>

Pizzeria/PizzeriaContracts/BindingModels/ShopBindingModel.cs

@@ -14,5 +14,6 @@ namespace PizzeriaContracts.BindingModels
         public string Adress { get; set; } = string.Empty;
         public DateTime OpeningDate { get; set; } = DateTime.Now;
         public Dictionary<int, (IPizzaModel, int)> ShopPizzas { get; set; } = new();
+        public int PizzaMaxCount { get; set; }
     }
 }

Pizzeria/PizzeriaContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -1,6 +1,7 @@
 using PizzeriaContracts.BindingModels;
 using PizzeriaContracts.SearchModels;
 using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -16,6 +17,7 @@ namespace PizzeriaContracts.BusinessLogicsContracts
         bool Create(ShopBindingModel model);
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
-        bool MakeSupply(SupplyBindingModel model);
+        bool MakeSupply(ShopSearchModel model, IPizzaModel pizza, int count);
+        bool MakeSell(IPizzaModel pizza, int count);
     }
 }

Pizzeria/PizzeriaContracts/SearchModels/SupplySearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PizzeriaContracts.SearchModels
+{
+    public class SupplySearchModel
+    {
+        public int? PizzaId { get; set; }
+        public int? Count { get; set; }
+    }
+}

Pizzeria/PizzeriaContracts/StoragesContracts/IShopStorage.cs

@@ -1,6 +1,7 @@
 using PizzeriaContracts.BindingModels;
 using PizzeriaContracts.SearchModels;
 using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -17,5 +18,6 @@ namespace PizzeriaContracts.StoragesContracts
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
         ShopViewModel? Delete(ShopBindingModel model);
+        public bool SellPizzas(IPizzaModel model, int count);
     }
 }

Pizzeria/PizzeriaContracts/ViewModels/ShopViewModel.cs

@@ -18,5 +18,7 @@ namespace PizzeriaContracts.ViewModels
         [DisplayName("Дата открытия")]
         public DateTime OpeningDate { get; set; }
         public Dictionary<int, (IPizzaModel, int)> ShopPizzas { get; set; } = new();
+        [DisplayName("Вместимость")]
+        public int PizzaMaxCount { get; set; }
     }
 }

Pizzeria/PizzeriaDataModels/Models/IShopModel.cs

@@ -14,5 +14,6 @@ namespace PizzeriaDataModels.Models
         string Adress { get; }
         DateTime OpeningDate { get; }
         Dictionary<int, (IPizzaModel, int)> ShopPizzas { get; }
+        public int PizzaMaxCount { get; }
     }
 }

Pizzeria/PizzeriaDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,78 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDatabaseImplement.Models;
+
+namespace PizzeriaDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Components.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.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)
+            {
+                return null;
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Components.FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new PizzeriaDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var component = context.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,79 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace PizzeriaDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Orders.Include(x => x.Pizza).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Orders.Include(x => x.Pizza).Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Orders.Include(x => x.Pizza).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            if (model == null)
+                return null;
+            var newOrder = Order.Create(context, model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return order.GetViewModel;
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var order = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (order != null)
+            {
+                context.Orders.Remove(order);
+                context.SaveChanges();
+                return order.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Implements/PizzaStorage.cs

@@ -0,0 +1,94 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace PizzeriaDatabaseImplement.Implements
+{
+    public class PizzaStorage : IPizzaStorage
+    {
+        public List<PizzaViewModel> GetFullList()
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Pizzas.Include(x => x.Components).ThenInclude(x => x.Component).ToList()
+                    .Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<PizzaViewModel> GetFilteredList(PizzaSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PizzaName))
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Pizzas.Include(x => x.Components).ThenInclude(x => x.Component)
+                    .Where(x => x.PizzaName.Contains(model.PizzaName)).ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public PizzaViewModel? GetElement(PizzaSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PizzaName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Pizzas.Include(x => x.Components).ThenInclude(x => x.Component)
+                .FirstOrDefault(x =>
+                (!string.IsNullOrEmpty(model.PizzaName) && x.PizzaName == model.PizzaName) ||
+                (model.Id.HasValue && x.Id == model.Id))
+                    ?.GetViewModel;
+        }
+
+        public PizzaViewModel? Insert(PizzaBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var newPizza = Pizza.Create(context, model);
+            if (newPizza == null)
+            {
+                return null;
+            }
+            context.Pizzas.Add(newPizza);
+            context.SaveChanges();
+            return newPizza.GetViewModel;
+        }
+
+        public PizzaViewModel? Update(PizzaBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var Pizza = context.Pizzas.FirstOrDefault(rec => rec.Id == model.Id);
+                if (Pizza == null)
+                {
+                    return null;
+                }
+                Pizza.Update(model);
+                context.SaveChanges();
+                Pizza.UpdateComponents(context, model);
+                transaction.Commit();
+                return Pizza.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public PizzaViewModel? Delete(PizzaBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var element = context.Pizzas.Include(x => x.Components).FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Pizzas.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,131 @@
+using Microsoft.EntityFrameworkCore;
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDatabaseImplement.Models;
+using PizzeriaDataModels.Models;
+
+namespace PizzeriaDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new PizzeriaDatabase();
+            return context.Shops.Include(x => x.Pizzas).ThenInclude(x => x.Pizza).ToList().
+                Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Shops.Include(x => x.Pizzas).ThenInclude(x => x.Pizza).Where(x => x.ShopName.Contains(model.ShopName)).
+                ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new PizzeriaDatabase();
+            return context.Shops.Include(x => x.Pizzas).ThenInclude(x => x.Pizza)
+                .FirstOrDefault(x =>
+                (!string.IsNullOrEmpty(model.ShopName) && x.ShopName == model.ShopName) ||
+                (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var newShop = Shop.Create(context, model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            context.Shops.Add(newShop);
+            context.SaveChanges();
+            return newShop.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+                if (shop == null)
+                {
+                    return null;
+                }
+                shop.Update(model);
+                context.SaveChanges();
+                shop.UpdatePizzas(context, model);
+                transaction.Commit();
+                return shop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new PizzeriaDatabase();
+            var shop = context.Shops.Include(x => x.Pizzas).FirstOrDefault(x => x.Id == model.Id);
+            if (shop != null)
+            {
+                context.Shops.Remove(shop);
+                context.SaveChanges();
+                return shop.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool SellPizzas(IPizzaModel model, int count)
+        {
+            if (model == null)
+                return false;
+            using var context = new PizzeriaDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            List<ShopPizzas> lst = new List<ShopPizzas>();
+            foreach (var el in context.ShopPizzas.Where(x => x.PizzaId == model.Id))
+            {
+                int dif = count;
+                if (el.Count < dif)
+                    dif = el.Count;
+                el.Count -= dif;
+                count -= dif;
+                if (el.Count == 0)
+                {
+                    lst.Add(el);
+                }
+                if (count == 0)
+                    break;
+            }
+            if (count > 0)
+            {
+                transaction.Rollback();
+                return false;
+            }
+            foreach (var el in lst)
+            {
+                context.ShopPizzas.Remove(el);
+            }
+            context.SaveChanges();
+            transaction.Commit();
+            return true;
+        }
+    }
+
+}
+

Pizzeria/PizzeriaDatabaseImplement/Migrations/20240309113549_InitMigration.Designer.cs

@@ -0,0 +1,170 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using PizzeriaDatabaseImplement;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PizzeriaDatabase))]
+    [Migration("20240309113549_InitMigration")]
+    partial class InitMigration
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.27")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Pizza", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("PizzaName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Pizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.PizzaComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("Orders")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.PizzaComponent", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Component", "Component")
+                        .WithMany("PizzaComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("Components")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Pizza", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/20240309113549_InitMigration.cs

@@ -0,0 +1,122 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    public partial class InitMigration : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ComponentName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Cost = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Pizzas",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PizzaName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Pizzas", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PizzaId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false),
+                    Sum = table.Column<double>(type: "float", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Pizzas_PizzaId",
+                        column: x => x.PizzaId,
+                        principalTable: "Pizzas",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "PizzaComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PizzaId = table.Column<int>(type: "int", nullable: false),
+                    ComponentId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_PizzaComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_PizzaComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_PizzaComponents_Pizzas_PizzaId",
+                        column: x => x.PizzaId,
+                        principalTable: "Pizzas",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_PizzaId",
+                table: "Orders",
+                column: "PizzaId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PizzaComponents_ComponentId",
+                table: "PizzaComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_PizzaComponents_PizzaId",
+                table: "PizzaComponents",
+                column: "PizzaId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "PizzaComponents");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Pizzas");
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/20240504122039_ShopMigration.Designer.cs

@@ -0,0 +1,249 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using PizzeriaDatabaseImplement;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PizzeriaDatabase))]
+    [Migration("20240504122039_ShopMigration")]
+    partial class ShopMigration
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Pizza", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("PizzaName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Pizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.PizzaComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("Adress")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("OpeningDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("PizzaMaxCount")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.ShopPizzas", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopPizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("Orders")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.PizzaComponent", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Component", "Component")
+                        .WithMany("PizzaComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("Components")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.ShopPizzas", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("ShopPizzas")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Pizzas")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Pizza", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+
+                    b.Navigation("ShopPizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Pizzas");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/20240504122039_ShopMigration.cs

@@ -0,0 +1,75 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    public partial class ShopMigration : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Shops",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ShopName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Adress = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    OpeningDate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    PizzaMaxCount = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ShopPizzas",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    PizzaId = table.Column<int>(type: "int", nullable: false),
+                    ShopId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ShopPizzas", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopPizzas_Pizzas_PizzaId",
+                        column: x => x.PizzaId,
+                        principalTable: "Pizzas",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopPizzas_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopPizzas_PizzaId",
+                table: "ShopPizzas",
+                column: "PizzaId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopPizzas_ShopId",
+                table: "ShopPizzas",
+                column: "ShopId");
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ShopPizzas");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Migrations/PizzeriaDatabaseModelSnapshot.cs

@@ -0,0 +1,247 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using PizzeriaDatabaseImplement;
+
+#nullable disable
+
+namespace PizzeriaDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PizzeriaDatabase))]
+    partial class PizzeriaDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Pizza", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("PizzaName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Pizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.PizzaComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("PizzaId");
+
+                    b.ToTable("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<string>("Adress")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("OpeningDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("PizzaMaxCount")
+                        .HasColumnType("int");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.ShopPizzas", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"), 1L, 1);
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("PizzaId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PizzaId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopPizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("Orders")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.PizzaComponent", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Component", "Component")
+                        .WithMany("PizzaComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("Components")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Pizza");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.ShopPizzas", b =>
+                {
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Pizza", "Pizza")
+                        .WithMany("ShopPizzas")
+                        .HasForeignKey("PizzaId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PizzeriaDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Pizzas")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Pizza");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("PizzaComponents");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Pizza", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+
+                    b.Navigation("ShopPizzas");
+                });
+
+            modelBuilder.Entity("PizzeriaDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Pizzas");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Models/Component.cs

@@ -0,0 +1,60 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using PizzeriaDataModels.Models;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+        [Required]
+        public double Cost { get; set; }
+        [ForeignKey("ComponentId")]
+        public virtual List<PizzaComponent> PizzaComponents { get; set; } = new();
+
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Component Create(ComponentViewModel model)
+        {
+            return new Component
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Models/Order.cs

@@ -0,0 +1,69 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Enums;
+using PizzeriaDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public int PizzaId { get; private set; }
+
+        public virtual Pizza Pizza { get; set; } = new();
+
+        [Required]
+        public int Count { get; private set; }
+
+        [Required]
+        public double Sum { get; private set; }
+
+        [Required]
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order Create(PizzeriaDatabase context, OrderBindingModel model)
+        {
+            return new Order()
+            {
+                Id = model.Id,
+                PizzaId = model.PizzaId,
+                Pizza = context.Pizzas.First(x => x.Id == model.PizzaId),
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaId = PizzaId,
+            PizzaName = Pizza.PizzaName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Models/Pizza.cs

@@ -0,0 +1,99 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class Pizza : IPizzaModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string PizzaName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+
+        private Dictionary<int, (IComponentModel, int)>? _pizzaComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> PizzaComponents
+        {
+            get
+            {
+                if (_pizzaComponents == null)
+                {
+                    _pizzaComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC =>
+                    (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _pizzaComponents;
+            }
+        }
+        [ForeignKey("PizzaId")]
+        public virtual List<PizzaComponent> Components { get; set; } = new();
+        [ForeignKey("PizzaId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        [ForeignKey("PizzaId")]
+        public virtual List<ShopPizzas> ShopPizzas { get; set; } = new();
+
+        public static Pizza
+            Create(PizzeriaDatabase context, PizzaBindingModel model)
+        {
+            return new Pizza()
+            {
+                Id = model.Id,
+                PizzaName = model.PizzaName,
+                Price = model.Price,
+                Components = model.PizzaComponents.Select(x => new PizzaComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(PizzaBindingModel model)
+        {
+            PizzaName = model.PizzaName;
+            Price = model.Price;
+        }
+
+        public PizzaViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaName = PizzaName,
+            Price = Price,
+            PizzaComponents = PizzaComponents
+        };
+
+        public void UpdateComponents(PizzeriaDatabase context, PizzaBindingModel model)
+        {
+            var pizzaComponents = context.PizzaComponents.Where(rec => rec.PizzaId == model.Id).ToList();
+
+            if (pizzaComponents != null && pizzaComponents.Count > 0)
+            {
+                context.PizzaComponents.RemoveRange(pizzaComponents.Where(rec => !model.PizzaComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                foreach (var updateComponent in pizzaComponents)
+                {
+                    updateComponent.Count = model.PizzaComponents[updateComponent.ComponentId].Item2;
+                    model.PizzaComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+
+            var pizza = context.Pizzas.First(x => x.Id == Id);
+            foreach (var pc in model.PizzaComponents)
+            {
+                context.PizzaComponents.Add(new PizzaComponent
+                {
+                    Pizza = pizza,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _pizzaComponents = null;
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Models/PizzaComponent.cs

@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class PizzaComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int PizzaId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Pizza Pizza { get; set; } = new();
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Models/Shop.cs

@@ -0,0 +1,114 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; set; }
+        public string ShopName { get; set; } = string.Empty;
+
+        public string Adress { get; set; } = string.Empty;
+
+        public DateTime OpeningDate { get; set; }
+
+        public int PizzaMaxCount { get; set; }
+
+        private Dictionary<int, (IPizzaModel, int)>? _shopPizzas = null;
+
+        public Dictionary<int, (IPizzaModel, int)> ShopPizzas
+        {
+            get
+            {
+                if (_shopPizzas == null)
+                {
+                    if (_shopPizzas == null)
+                    {
+                        _shopPizzas = Pizzas
+                                .ToDictionary(recSP => recSP.PizzaId, recSP => (recSP.Pizza as IPizzaModel, recSP.Count));
+                    }
+                    return _shopPizzas;
+                }
+                return _shopPizzas;
+            }
+        }
+
+        [ForeignKey("ShopId")]
+        public List<ShopPizzas> Pizzas { get; set; } = new();
+
+        public static Shop Create(PizzeriaDatabase context, ShopBindingModel model)
+        {
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Adress = model.Adress,
+                OpeningDate = model.OpeningDate,
+                Pizzas = model.ShopPizzas.Select(x => new ShopPizzas
+                {
+                    Pizza = context.Pizzas.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList(),
+                PizzaMaxCount = model.PizzaMaxCount
+            };
+        }
+
+        public void Update(ShopBindingModel model)
+        {
+            ShopName = model.ShopName;
+            Adress = model.Adress;
+            OpeningDate = model.OpeningDate;
+            PizzaMaxCount = model.PizzaMaxCount;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Adress = Adress,
+            OpeningDate = OpeningDate,
+            ShopPizzas = ShopPizzas,
+            PizzaMaxCount = PizzaMaxCount
+        };
+
+        public void UpdatePizzas(PizzeriaDatabase context, ShopBindingModel model)
+        {
+            var ShopPizzas = context.ShopPizzas.Where(rec => rec.ShopId == model.Id).ToList();
+            if (ShopPizzas != null && ShopPizzas.Count > 0)
+            {
+                context.ShopPizzas.RemoveRange(ShopPizzas.Where(rec => !model.ShopPizzas.ContainsKey(rec.PizzaId)));
+                context.SaveChanges();
+                ShopPizzas = context.ShopPizzas.Where(rec => rec.ShopId == model.Id).ToList();
+                foreach (var updatePizza in ShopPizzas)
+                {
+                    updatePizza.Count = model.ShopPizzas[updatePizza.PizzaId].Item2;
+                    model.ShopPizzas.Remove(updatePizza.PizzaId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            foreach (var ar in model.ShopPizzas)
+            {
+                context.ShopPizzas.Add(new ShopPizzas
+                {
+                    Shop = shop,
+                    Pizza = context.Pizzas.First(x => x.Id == ar.Key),
+                    Count = ar.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _shopPizzas = null;
+        }
+
+        public void PizzasDictionatyUpdate(PizzeriaDatabase context)
+        {
+            UpdatePizzas(context, new ShopBindingModel
+            {
+                Id = Id,
+                ShopPizzas = ShopPizzas,
+            });
+        }
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Models/ShopPizzas.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class ShopPizzas
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int PizzaId { get; set; }
+
+        [Required]
+        public int ShopId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Shop Shop { get; set; } = new();
+
+        public virtual Pizza Pizza { get; set; } = new();
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/PizzeriaDatabase.cs

@@ -0,0 +1,25 @@
+using PizzeriaDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace PizzeriaDatabaseImplement
+{
+    public class PizzeriaDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (!optionsBuilder.IsConfigured)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=ALYONA\;Initial Catalog=PizzeriaDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Pizza> Pizzas { set; get; }
+        public virtual DbSet<PizzaComponent> PizzaComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+
+        public virtual DbSet<Shop> Shops { get; set; }
+        public virtual DbSet<ShopPizzas> ShopPizzas { get; set; }
+
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/PizzeriaDatabaseImplement.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
+		<ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.0" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.0" />
+		<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.0">
+			<PrivateAssets>all</PrivateAssets>
+			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+	</ItemGroup>
+
+</Project>

Pizzeria/PizzeriaFileImplement/DataFileSingleton.cs

@@ -0,0 +1,57 @@
+using PizzeriaFileImplement.Models;
+using System.Xml.Linq;
+
+namespace PizzeriaFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string PizzaFileName = "Pizza.xml";
+        private readonly string ShopFileName = "Shop.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Pizza> Pizzas { get; private set; }
+        public List<Shop> Shops { 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 SavePizzas() => SaveData(Pizzas, PizzaFileName, "Pizzas", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        public void SaveShops() => SaveData(Shops, ShopFileName, "Shops", x => x.GetXElement);
+
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            Pizzas = LoadData(PizzaFileName, "Pizza", x => Pizza.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)
+        {
+            if (File.Exists(filename))
+            {
+                return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
+            }
+            return new List<T>();
+        }
+
+        private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
+        {
+            if (data != null)
+            {
+                new XDocument(new XElement(xmlNodeName, data.Select(selectFunction).ToArray())).Save(filename);
+            }
+        }
+    }
+}

Pizzeria/PizzeriaFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaFileImplement.Models;
+
+namespace PizzeriaFileImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<ComponentViewModel> GetFullList()
+        {
+            return source.Components.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            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)
+            {
+                return null;
+            }
+            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;
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            source.Components.Add(newComponent);
+            source.SaveComponents();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            var component = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            source.SaveComponents();
+            return component.GetViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            var element = source.Components.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Components.Remove(element);
+                source.SaveComponents();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Pizzeria/PizzeriaFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,90 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaFileImplement.Models;
+
+namespace PizzeriaFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList() => source.Orders.Select(x => AttachPizzaName(x.GetViewModel)).ToList();
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => AttachPizzaName(x.GetViewModel)).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return AttachPizzaName(source.Orders.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel);
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            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();
+            return AttachPizzaName(newOrder.GetViewModel);
+        }
+
+        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 AttachPizzaName(order.GetViewModel);
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order != null)
+            {
+                source.Orders.Remove(order);
+                source.SaveOrders();
+                return AttachPizzaName(order.GetViewModel);
+            }
+            return null;
+        }
+
+        private OrderViewModel? AttachPizzaName(OrderViewModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            var pizza = source.Pizzas.FirstOrDefault(x => x.Id == model.PizzaId);
+            if (pizza != null)
+            {
+                model.PizzaName = pizza.PizzaName;
+            }
+            return model;
+        }
+    }
+
+}

Pizzeria/PizzeriaFileImplement/Implements/PizzaStorage.cs

@@ -0,0 +1,81 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaFileImplement.Models;
+
+namespace PizzeriaFileImplement.Implements
+{
+    public class PizzaStorage : IPizzaStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public PizzaStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<PizzaViewModel> GetFullList()
+        {
+            return source.Pizzas.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<PizzaViewModel> GetFilteredList(PizzaSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PizzaName))
+            {
+                return new();
+            }
+            return source.Pizzas.Where(x => x.PizzaName.Contains(model.PizzaName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public PizzaViewModel? GetElement(PizzaSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PizzaName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Pizzas.FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.PizzaName) && x.PizzaName == model.PizzaName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+                ?.GetViewModel;
+        }
+
+        public PizzaViewModel? Insert(PizzaBindingModel model)
+        {
+            model.Id = source.Pizzas.Count > 0 ? source.Pizzas.Max(x => x.Id) + 1 : 1;
+            var newPizza = Pizza.Create(model);
+            if (newPizza == null)
+            {
+                return null;
+            }
+            source.Pizzas.Add(newPizza);
+            source.SavePizzas();
+            return newPizza.GetViewModel;
+        }
+
+        public PizzaViewModel? Update(PizzaBindingModel model)
+        {
+            var Pizza = source.Pizzas.FirstOrDefault(x => x.Id == model.Id);
+            if (Pizza == null)
+            {
+                return null;
+            }
+            Pizza.Update(model);
+            source.SavePizzas();
+            return Pizza.GetViewModel;
+        }
+
+        public PizzaViewModel? Delete(PizzaBindingModel model)
+        {
+            var Pizza = source.Pizzas.FirstOrDefault(x => x.Id == model.Id);
+            if (Pizza != null)
+            {
+                source.Pizzas.Remove(Pizza);
+                source.SavePizzas();
+                return Pizza.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Pizzeria/PizzeriaFileImplement/Implements/ShopStorage.cs

@@ -0,0 +1,131 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
+using PizzeriaFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PizzeriaFileImplement.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 shop = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop != null)
+            {
+                source.Shops.Remove(shop);
+                source.SaveShops();
+                return shop.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool SellPizzas(IPizzaModel model, int count)
+        {
+            var pizza = source.Pizzas.FirstOrDefault(x => x.Id == model.Id);
+
+            int countStore = source.Shops
+                .SelectMany(x => x.ShopPizzas)
+                .Where(y => y.Key == model.Id)
+                .Sum(y => y.Value.Item2);
+
+            if (pizza == null || count > countStore)
+                return false;
+
+            foreach (var shop in source.Shops)
+            {
+                var pizzas = shop.ShopPizzas;
+
+                foreach (var c in pizzas.Where(x => x.Value.Item1.Id == pizza.Id))
+                {
+                    int min = Math.Min(c.Value.Item2, count);
+                    pizzas[c.Value.Item1.Id] = (c.Value.Item1, c.Value.Item2 - min);
+                    count -= min;
+
+                    if (count <= 0)
+                        break;
+                }
+
+                shop.Update(new ShopBindingModel
+                {
+                    Id = shop.Id,
+                    ShopName = shop.ShopName,
+                    Adress = shop.Adress,
+                    PizzaMaxCount = shop.PizzaMaxCount,
+                    OpeningDate = shop.OpeningDate,
+                    ShopPizzas = pizzas
+                });
+
+                source.SaveShops();
+
+                if (count <= 0)
+                    return true;
+            }
+
+            return true;
+        }
+    }
+}

Pizzeria/PizzeriaFileImplement/Models/Component.cs

@@ -0,0 +1,64 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
+using System.Xml.Linq;
+
+namespace PizzeriaFileImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        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)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Component? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ComponentName = element.Element("ComponentName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+
+        public XElement GetXElement => new("Component",
+                    new XAttribute("Id", Id),
+                    new XElement("ComponentName", ComponentName),
+                    new XElement("Cost", Cost.ToString()));
+    }
+}

Pizzeria/PizzeriaFileImplement/Models/Order.cs

@@ -0,0 +1,87 @@
+using PizzeriaDataModels.Enums;
+using PizzeriaDataModels.Models;
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using System.Xml.Linq;
+
+namespace PizzeriaFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int PizzaId { get; private set; }
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                PizzaId = model.PizzaId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+            };
+        }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            string dateImplement = element.Element("DateImplement")!.Value;
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                PizzaId = Convert.ToInt32(element.Element("PizzaId")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Status = (OrderStatus)(Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value)),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = (dateImplement == "" || dateImplement is null) ? Convert.ToDateTime(null) : Convert.ToDateTime(dateImplement)
+            };
+
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            if (model.Status == OrderStatus.Готов) DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaId = PizzaId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+
+        public XElement GetXElement => new("Order",
+           new XAttribute("Id", Id),
+           new XElement("PizzaId", PizzaId.ToString()),
+           new XElement("Count", Count.ToString()),
+           new XElement("Sum", Sum.ToString()),
+           new XElement("Status", Status.ToString()),
+           new XElement("DateCreate", DateCreate.ToString()),
+           new XElement("DateImplement", DateImplement.ToString()));
+    }
+}

Pizzeria/PizzeriaFileImplement/Models/Pizza.cs

@@ -0,0 +1,81 @@
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
+using System.Xml.Linq;
+
+namespace PizzeriaFileImplement.Models
+{
+    public class Pizza : IPizzaModel
+    {
+        public int Id { get; private set; }
+        public string PizzaName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, int> Components { get; private set; } = new();
+        private Dictionary<int, (IComponentModel, int)>? _pizzaComponents = null;
+        public Dictionary<int, (IComponentModel, int)> PizzaComponents
+        {
+            get
+            {
+                if (_pizzaComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _pizzaComponents = Components.ToDictionary(x => x.Key, y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
+                }
+                return _pizzaComponents;
+            }
+        }
+        public static Pizza? Create(PizzaBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Pizza()
+            {
+                Id = model.Id,
+                PizzaName = model.PizzaName,
+                Price = model.Price,
+                Components = model.PizzaComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+        public static Pizza? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Pizza()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                PizzaName = element.Element("PizzaName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("PizzaComponents")!.Elements("PizzaComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value),
+                x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(PizzaBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            PizzaName = model.PizzaName;
+            Price = model.Price;
+            Components = model.PizzaComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _pizzaComponents = null;
+        }
+        public PizzaViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaName = PizzaName,
+            Price = Price,
+            PizzaComponents = PizzaComponents
+        };
+        public XElement GetXElement => new("Pizza",
+                new XAttribute("Id", Id),
+                new XElement("PizzaName", PizzaName),
+                new XElement("Price", Price.ToString()),
+                new XElement("PizzaComponents", Components.Select(
+                    x => new XElement("PizzaComponent", new XElement("Key", x.Key), new XElement("Value", x.Value))).ToArray()));
+    }
+}

Pizzeria/PizzeriaFileImplement/Models/Shop.cs

@@ -0,0 +1,111 @@
+using PizzeriaDataModels.Models;
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace PizzeriaFileImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        public string ShopName { get; private set; } = string.Empty;
+        public string Adress { get; private set; } = string.Empty;
+        public DateTime OpeningDate { get; private set; }
+        public Dictionary<int, int> Pizzas { get; private set; } = new();
+        private Dictionary<int, (IPizzaModel, int)>? _shopPizzas = null;
+
+        public Dictionary<int, (IPizzaModel, int)> ShopPizzas
+        {
+            get
+            {
+                if (_shopPizzas == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopPizzas = Pizzas.ToDictionary(x => x.Key, y => ((source.Pizzas.FirstOrDefault(z => z.Id == y.Key) as IPizzaModel)!, y.Value));
+                }
+                return _shopPizzas;
+            }
+        }
+
+        public int PizzaMaxCount { get; private set; }
+
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Adress = model.Adress,
+                OpeningDate = model.OpeningDate,
+                Pizzas = model.ShopPizzas.ToDictionary(x => x.Key, x => x.Value.Item2),
+                PizzaMaxCount = model.PizzaMaxCount
+            };
+        }
+
+        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,
+                Adress = element.Element("Adress")!.Value,
+                OpeningDate = Convert.ToDateTime(element.Element("OpeningDate")!.Value),
+                Pizzas = element.Element("ShopPizzas")!.Elements("ShopPizza")!.ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value),
+                x => Convert.ToInt32(x.Element("Value")?.Value)),
+                PizzaMaxCount = Convert.ToInt32(element.Element("PizzaMaxCount")!.Value)
+            };
+        }
+
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            Adress = model.Adress;
+            OpeningDate = model.OpeningDate;
+            PizzaMaxCount = model.PizzaMaxCount;
+            Pizzas = model.ShopPizzas.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _shopPizzas = null;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Adress = Adress,
+            OpeningDate = OpeningDate,
+            ShopPizzas = ShopPizzas,
+            PizzaMaxCount = PizzaMaxCount
+        };
+
+        public XElement GetXElement => new("Shop",
+            new XAttribute("Id", Id),
+            new XElement("ShopName", ShopName),
+            new XElement("Adress", Adress),
+            new XElement("OpeningDate", OpeningDate.ToString()),
+            new XElement("ShopPizzas", Pizzas.Select(
+                x => new XElement("ShopPizza", new XElement("Key", x.Key), new XElement("Value", x.Value))).ToArray()),
+            new XElement("PizzaMaxCount", PizzaMaxCount.ToString())
+            );
+
+        public void PizzasUpdate()
+        {
+            _shopPizzas = null;
+        }
+    }
+}

Pizzeria/PizzeriaFileImplement/PizzeriaFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
+    <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

Pizzeria/PizzeriaListImplement/Implements/ShopStorage.cs

@@ -2,6 +2,7 @@
 using PizzeriaContracts.SearchModels;
 using PizzeriaContracts.StoragesContracts;
 using PizzeriaContracts.ViewModels;
+using PizzeriaDataModels.Models;
 using PizzeriaListImplement.Models;
 using System;
 using System.Collections.Generic;
@@ -109,5 +110,14 @@ namespace PizzeriaListImplement.Implements
             }
             return null;
         }
+
+
+        public bool SellPizzas(IPizzaModel model, int count)
+        {
+            throw new NotImplementedException();
         }
+
     }
+
+}
+

Pizzeria/PizzeriaListImplement/Models/Shop.cs

@@ -16,6 +16,7 @@ namespace PizzeriaListImplement.Models
         public string Adress { get; private set; } = string.Empty;
         public DateTime OpeningDate { get; private set; }
         public Dictionary<int, (IPizzaModel, int)> ShopPizzas { get; private set; } = new();
+        public int PizzaMaxCount { get; private set; }
 
         public static Shop? Create(ShopBindingModel? model)
         {
@@ -28,7 +29,8 @@ namespace PizzeriaListImplement.Models
                 Id = model.Id,
                 ShopName = model.ShopName,
                 Adress = model.Adress,
-                OpeningDate = model.OpeningDate
+                OpeningDate = model.OpeningDate,
+                PizzaMaxCount = model.PizzaMaxCount,
             };
         }
 
@@ -41,6 +43,7 @@ namespace PizzeriaListImplement.Models
             ShopName = model.ShopName;
             Adress = model.Adress;
             OpeningDate = model.OpeningDate;
+            PizzaMaxCount = model.PizzaMaxCount;
         }
 
         public ShopViewModel GetViewModel => new()
@@ -49,7 +52,8 @@ namespace PizzeriaListImplement.Models
             ShopName = ShopName,
             Adress = Adress,
             OpeningDate = OpeningDate,
-            ShopPizzas = ShopPizzas
+            ShopPizzas = ShopPizzas,
+            PizzaMaxCount = PizzaMaxCount,
         };
     }
 }

Pizzeria/PizzeriaView/FormCreateSupply.cs

@@ -1,6 +1,8 @@
 using Microsoft.Extensions.Logging;
+using PizzeriaBusinessLogic.BusinessLogics;
 using PizzeriaContracts.BindingModels;
 using PizzeriaContracts.BusinessLogicsContracts;
+using PizzeriaContracts.SearchModels;
 using PizzeriaContracts.ViewModels;
 using System;
 using System.Collections;
@@ -56,40 +58,54 @@ namespace PizzeriaView
 
         private void ButtonSave_Click(object sender, EventArgs e)
         {
-            if (comboBoxShop.SelectedValue == null)
+            if (string.IsNullOrEmpty(textBoxCount.Text))
             {
-                MessageBox.Show("Выберите магазин", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                MessageBox.Show("Заполните поле Количество", "Ошибка",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
             if (comboBoxPizza.SelectedValue == null)
             {
-                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                MessageBox.Show("Выберите пиццу", "Ошибка",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
-            _logger.LogInformation("Создание поставки");
+            if (comboBoxPizza.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите магазин", "Ошибка",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
             try
             {
-                var operationResult = _logicS.MakeSupply(new SupplyBindingModel
+                int count = Convert.ToInt32(textBoxCount.Text);
+
+                bool res = _logicS.MakeSupply(
+                    new ShopSearchModel() { Id = Convert.ToInt32(comboBoxShop.SelectedValue) },
+                    _logicP.ReadElement(new() { Id = Convert.ToInt32(comboBoxPizza.SelectedValue) }),
+                    count
+                );
+
+                if (!res)
                 {
-                    ShopId = Convert.ToInt32(comboBoxShop.SelectedValue),
+                    throw new Exception("Ошибка при пополнении. Дополнительная информация в логах");
-                    PizzaId = Convert.ToInt32(comboBoxPizza.SelectedValue),
-                    Count = Convert.ToInt32(textBoxCount.Text)
-                });
-                if (!operationResult)
-                {
-                    throw new Exception("Ошибка при создании поставки. Дополнительная информация в логах.");
                 }
-                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+
+                MessageBox.Show("Пополнение прошло успешно");
                 DialogResult = DialogResult.OK;
                 Close();
+
             }
-            catch (Exception ex)
+            catch (Exception err)
             {
-                _logger.LogError(ex, "Ошибка создания поставки");
+                MessageBox.Show("Ошибка пополнения");
-                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
             }
         }
 
+       
+
         private void ButtonCancel_Click(object sender, EventArgs e)
         {
             DialogResult = DialogResult.Cancel;

Pizzeria/PizzeriaView/FormMain.Designer.cs

@@ -41,6 +41,7 @@
             this.buttonOrderReady = new System.Windows.Forms.Button();
             this.buttonIssuedOrder = new System.Windows.Forms.Button();
             this.buttonRef = new System.Windows.Forms.Button();
+            this.продажаToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.menuStrip1.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
@@ -71,28 +72,29 @@
             // ingridientsToolStripMenuItem
             // 
             this.ingridientsToolStripMenuItem.Name = "ingridientsToolStripMenuItem";
-            this.ingridientsToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.ingridientsToolStripMenuItem.Size = new System.Drawing.Size(148, 22);
             this.ingridientsToolStripMenuItem.Text = "Ингредиенты";
             this.ingridientsToolStripMenuItem.Click += new System.EventHandler(this.IngridentsToolStripMenuItem_Click);
             // 
             // pizzasToolStripMenuItem
             // 
             this.pizzasToolStripMenuItem.Name = "pizzasToolStripMenuItem";
-            this.pizzasToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.pizzasToolStripMenuItem.Size = new System.Drawing.Size(148, 22);
             this.pizzasToolStripMenuItem.Text = "Пиццы";
             this.pizzasToolStripMenuItem.Click += new System.EventHandler(this.PizzasToolStripMenuItem_Click);
             // 
             // shopsToolStripMenuItem
             // 
             this.shopsToolStripMenuItem.Name = "shopsToolStripMenuItem";
-            this.shopsToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.shopsToolStripMenuItem.Size = new System.Drawing.Size(148, 22);
             this.shopsToolStripMenuItem.Text = "Магазины";
             this.shopsToolStripMenuItem.Click += new System.EventHandler(this.shopsToolStripMenuItem_Click);
             // 
             // operationToolStripMenuItem
             // 
             this.operationToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
-            this.transactionToolStripMenuItem});
+            this.transactionToolStripMenuItem,
+            this.продажаToolStripMenuItem});
             this.operationToolStripMenuItem.Name = "operationToolStripMenuItem";
             this.operationToolStripMenuItem.Size = new System.Drawing.Size(75, 20);
             this.operationToolStripMenuItem.Text = "Операции";
@@ -173,6 +175,13 @@
             this.buttonRef.UseVisualStyleBackColor = true;
             this.buttonRef.Click += new System.EventHandler(this.ButtonRef_Click);
             // 
+            // продажаToolStripMenuItem
+            // 
+            this.продажаToolStripMenuItem.Name = "продажаToolStripMenuItem";
+            this.продажаToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.продажаToolStripMenuItem.Text = "Продажа";
+            this.продажаToolStripMenuItem.Click += new System.EventHandler(this.SellToolStripMenuItem_Click);
+            // 
             // FormMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
@@ -213,5 +222,6 @@
         private ToolStripMenuItem shopsToolStripMenuItem;
         private ToolStripMenuItem operationToolStripMenuItem;
         private ToolStripMenuItem transactionToolStripMenuItem;
+        private ToolStripMenuItem продажаToolStripMenuItem;
     }
 }

Pizzeria/PizzeriaView/FormMain.cs

@@ -1,6 +1,7 @@
 using Microsoft.Extensions.Logging;
 using PizzeriaContracts.BindingModels;
 using PizzeriaContracts.BusinessLogicsContracts;
+using PizzeriaDataModels.Enums;
 
 namespace PizzeriaView
 {
@@ -42,6 +43,19 @@ namespace PizzeriaView
             }
         }
 
+        private OrderBindingModel CreateBindingModel(int id, bool isDone = false)
+        {
+            return new OrderBindingModel
+            {
+                Id = id,
+                PizzaId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["PizzaId"].Value),
+                Status = Enum.Parse<OrderStatus>(dataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
+                Count = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Count"].Value),
+                Sum = double.Parse(dataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
+                DateCreate = DateTime.Parse(dataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
+            };
+        }
+
         private void IngridentsToolStripMenuItem_Click(object sender, EventArgs e)
         {
             var service = Program.ServiceProvider?.GetService(typeof(FormComponents));
@@ -75,13 +89,10 @@ namespace PizzeriaView
             if (dataGridView.SelectedRows.Count == 1)
             {
                 int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
-                _logger.LogInformation("Заказ No{id}. Меняется статус на 'В работе'", id);
+                _logger.LogInformation("Заказ №{id}. Меняется статус на 'В работе'", id);
                 try
                 {
-                    var operationResult = _orderLogic.TakeOrderInWork(new OrderBindingModel
+                    var operationResult = _orderLogic.TakeOrderInWork(CreateBindingModel(id));
-                    {
-                        Id = id
-                    });
                     if (!operationResult)
                     {
                         throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
@@ -101,13 +112,10 @@ namespace PizzeriaView
             if (dataGridView.SelectedRows.Count == 1)
             {
                 int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
-                _logger.LogInformation("Заказ No{id}. Меняется статус на 'Готов'", id);
+                _logger.LogInformation("Заказ №{id}. Меняется статус на 'Готов'", id);
                 try
                 {
-                    var operationResult = _orderLogic.FinishOrder(new OrderBindingModel
+                    var operationResult = _orderLogic.FinishOrder(CreateBindingModel(id));
-                    {
-                        Id = id
-                    });
                     if (!operationResult)
                     {
                         throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
@@ -127,18 +135,15 @@ namespace PizzeriaView
             if (dataGridView.SelectedRows.Count == 1)
             {
                 int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
-                _logger.LogInformation("Заказ No{id}. Меняется статус на 'Выдан'", id);
+                _logger.LogInformation("Заказ №{id}. Меняется статус на 'Выдан'", id);
                 try
                 {
-                    var operationResult = _orderLogic.DeliveryOrder(new OrderBindingModel
+                    var operationResult = _orderLogic.DeliveryOrder(CreateBindingModel(id));
-                    {
-                        Id = id
-                    });
                     if (!operationResult)
                     {
                         throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
                     }
-                    _logger.LogInformation("Заказ No{id} выдан", id);
+                    _logger.LogInformation("Заказ №{id} выдан", id);
                     LoadData();
                 }
                 catch (Exception ex)
@@ -171,5 +176,14 @@ namespace PizzeriaView
                 form.ShowDialog();
             }
         }
+
+        private void SellToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSellPizza));
+            if (service is FormSellPizza form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

Pizzeria/PizzeriaView/FormPizzas.Designer.cs

@@ -28,86 +28,103 @@
         /// </summary>
         private void InitializeComponent()
         {
-            dataGridView = new DataGridView();
+            this.ToolsPanel = new System.Windows.Forms.Panel();
-            buttonAdd = new Button();
+            this.buttonRef = new System.Windows.Forms.Button();
-            buttonEdit = new Button();
+            this.buttonDel = new System.Windows.Forms.Button();
-            buttonDelete = new Button();
+            this.buttonUpd = new System.Windows.Forms.Button();
-            buttonUpdate = new Button();
+            this.buttonAdd = new System.Windows.Forms.Button();
-            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            this.dataGridView = new System.Windows.Forms.DataGridView();
-            SuspendLayout();
+            this.ToolsPanel.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            this.SuspendLayout();
             // 
-            // dataGridView
+            // ToolsPanel
             // 
-            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.ToolsPanel.Controls.Add(this.buttonRef);
-            dataGridView.Location = new Point(29, 28);
+            this.ToolsPanel.Controls.Add(this.buttonDel);
-            dataGridView.Name = "dataGridView";
+            this.ToolsPanel.Controls.Add(this.buttonUpd);
-            dataGridView.RowHeadersWidth = 62;
+            this.ToolsPanel.Controls.Add(this.buttonAdd);
-            dataGridView.RowTemplate.Height = 33;
+            this.ToolsPanel.Location = new System.Drawing.Point(608, 12);
-            dataGridView.Size = new Size(471, 383);
+            this.ToolsPanel.Name = "ToolsPanel";
-            dataGridView.TabIndex = 0;
+            this.ToolsPanel.Size = new System.Drawing.Size(180, 426);
+            this.ToolsPanel.TabIndex = 3;
+            // 
+            // buttonRef
+            // 
+            this.buttonRef.Location = new System.Drawing.Point(31, 206);
+            this.buttonRef.Name = "buttonRef";
+            this.buttonRef.Size = new System.Drawing.Size(126, 36);
+            this.buttonRef.TabIndex = 3;
+            this.buttonRef.Text = "Обновить";
+            this.buttonRef.UseVisualStyleBackColor = true;
+            this.buttonRef.Click += new System.EventHandler(this.ButtonRef_Click);
+            // 
+            // buttonDel
+            // 
+            this.buttonDel.Location = new System.Drawing.Point(31, 142);
+            this.buttonDel.Name = "buttonDel";
+            this.buttonDel.Size = new System.Drawing.Size(126, 36);
+            this.buttonDel.TabIndex = 2;
+            this.buttonDel.Text = "Удалить";
+            this.buttonDel.UseVisualStyleBackColor = true;
+            this.buttonDel.Click += new System.EventHandler(this.ButtonDel_Click);
+            // 
+            // buttonUpd
+            // 
+            this.buttonUpd.Location = new System.Drawing.Point(31, 76);
+            this.buttonUpd.Name = "buttonUpd";
+            this.buttonUpd.Size = new System.Drawing.Size(126, 36);
+            this.buttonUpd.TabIndex = 1;
+            this.buttonUpd.Text = "Изменить";
+            this.buttonUpd.UseVisualStyleBackColor = true;
+            this.buttonUpd.Click += new System.EventHandler(this.ButtonUpd_Click);
             // 
             // buttonAdd
             // 
-            buttonAdd.Location = new Point(540, 58);
+            this.buttonAdd.Location = new System.Drawing.Point(31, 16);
-            buttonAdd.Name = "buttonAdd";
+            this.buttonAdd.Name = "buttonAdd";
-            buttonAdd.Size = new Size(202, 71);
+            this.buttonAdd.Size = new System.Drawing.Size(126, 36);
-            buttonAdd.TabIndex = 1;
+            this.buttonAdd.TabIndex = 0;
-            buttonAdd.Text = "Добавить";
+            this.buttonAdd.Text = "Добавить";
-            buttonAdd.UseVisualStyleBackColor = true;
+            this.buttonAdd.UseVisualStyleBackColor = true;
-            buttonAdd.Click += buttonAdd_Click;
+            this.buttonAdd.Click += new System.EventHandler(this.ButtonAdd_Click);
             // 
-            // buttonEdit
+            // dataGridView
             // 
-            buttonEdit.Location = new Point(540, 140);
+            this.dataGridView.AllowUserToAddRows = false;
-            buttonEdit.Name = "buttonEdit";
+            this.dataGridView.AllowUserToDeleteRows = false;
-            buttonEdit.Size = new Size(202, 71);
+            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            buttonEdit.TabIndex = 2;
+            this.dataGridView.Location = new System.Drawing.Point(12, 12);
-            buttonEdit.Text = "Изменить";
+            this.dataGridView.Name = "dataGridView";
-            buttonEdit.UseVisualStyleBackColor = true;
+            this.dataGridView.ReadOnly = true;
-            buttonEdit.Click += buttonEdit_Click;
+            this.dataGridView.RowHeadersWidth = 51;
-            // 
+            this.dataGridView.RowTemplate.Height = 29;
-            // buttonDelete
+            this.dataGridView.Size = new System.Drawing.Size(590, 426);
-            // 
+            this.dataGridView.TabIndex = 2;
-            buttonDelete.Location = new Point(540, 231);
-            buttonDelete.Name = "buttonDelete";
-            buttonDelete.Size = new Size(202, 71);
-            buttonDelete.TabIndex = 3;
-            buttonDelete.Text = "Удалить";
-            buttonDelete.UseVisualStyleBackColor = true;
-            buttonDelete.Click += buttonDelete_Click;
-            // 
-            // buttonUpdate
-            // 
-            buttonUpdate.Location = new Point(540, 328);
-            buttonUpdate.Name = "buttonUpdate";
-            buttonUpdate.Size = new Size(202, 71);
-            buttonUpdate.TabIndex = 4;
-            buttonUpdate.Text = "Обновить";
-            buttonUpdate.UseVisualStyleBackColor = true;
-            buttonUpdate.Click += buttonUpdate_Click;
             // 
             // FormPizzas
             // 
-            AutoScaleDimensions = new SizeF(10F, 25F);
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
-            AutoScaleMode = AutoScaleMode.Font;
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            ClientSize = new Size(800, 450);
+            this.ClientSize = new System.Drawing.Size(800, 450);
-            Controls.Add(buttonUpdate);
+            this.Controls.Add(this.ToolsPanel);
-            Controls.Add(buttonDelete);
+            this.Controls.Add(this.dataGridView);
-            Controls.Add(buttonEdit);
+            this.Name = "FormPizzas";
-            Controls.Add(buttonAdd);
+            this.Text = "Пицца";
-            Controls.Add(dataGridView);
+            this.Load += new System.EventHandler(this.FormPizza_Load);
-            Name = "FormPizzas";
+            this.ToolsPanel.ResumeLayout(false);
-            Text = "Пицца";
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
-            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            this.ResumeLayout(false);
-            ResumeLayout(false);
+
         }
 
         #endregion
 
-        private DataGridView dataGridView;
+        private Panel ToolsPanel;
+        private Button buttonRef;
+        private Button buttonDel;
+        private Button buttonUpd;
         private Button buttonAdd;
-        private Button buttonEdit;
+        private DataGridView dataGridView;
-        private Button buttonDelete;
-        private Button buttonUpdate;
     }
 }

Pizzeria/PizzeriaView/FormPizzas.cs

@@ -1,15 +1,7 @@
 using Microsoft.Extensions.Logging;
+using PizzeriaView;
 using PizzeriaContracts.BindingModels;
 using PizzeriaContracts.BusinessLogicsContracts;
-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 PizzeriaView
 {
@@ -25,6 +17,11 @@ namespace PizzeriaView
             _logic = logic;
         }
 
+        private void FormPizza_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
         private void LoadData()
         {
             try
@@ -46,7 +43,8 @@ namespace PizzeriaView
                 MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
         }
-        private void buttonAdd_Click(object sender, EventArgs e)
+
+        private void ButtonAdd_Click(object sender, EventArgs e)
         {
             var service = Program.ServiceProvider?.GetService(typeof(FormPizza));
             if (service is FormPizza form)
@@ -57,9 +55,9 @@ namespace PizzeriaView
                 }
             }
         }
-        private void buttonEdit_Click(object sender, EventArgs e)
-        {
 
+        private void ButtonUpd_Click(object sender, EventArgs e)
+        {
             if (dataGridView.SelectedRows.Count == 1)
             {
                 var service = Program.ServiceProvider?.GetService(typeof(FormPizza));
@@ -72,10 +70,9 @@ namespace PizzeriaView
                     }
                 }
             }
-
         }
 
-        private void buttonDelete_Click(object sender, EventArgs e)
+        private void ButtonDel_Click(object sender, EventArgs e)
         {
             if (dataGridView.SelectedRows.Count == 1)
             {
@@ -103,7 +100,7 @@ namespace PizzeriaView
             }
         }
 
-        private void buttonUpdate_Click(object sender, EventArgs e)
+        private void ButtonRef_Click(object sender, EventArgs e)
         {
             LoadData();
         }

Pizzeria/PizzeriaView/FormSellPizza.Designer.cs

@@ -0,0 +1,120 @@
+namespace PizzeriaView
+{
+    partial class FormSellPizza
+    {
+        /// <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.labelPizza = new System.Windows.Forms.Label();
+            this.comboBoxPizza = new System.Windows.Forms.ComboBox();
+            this.labelCount = new System.Windows.Forms.Label();
+            this.textBoxCount = new System.Windows.Forms.TextBox();
+            this.buttonSell = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // labelPizza
+            // 
+            this.labelPizza.AutoSize = true;
+            this.labelPizza.Location = new System.Drawing.Point(12, 14);
+            this.labelPizza.Name = "labelPizza";
+            this.labelPizza.Size = new System.Drawing.Size(75, 20);
+            this.labelPizza.TabIndex = 0;
+            this.labelPizza.Text = "Пицца: ";
+            // 
+            // comboBoxPizza
+            // 
+            this.comboBoxPizza.FormattingEnabled = true;
+            this.comboBoxPizza.Location = new System.Drawing.Point(115, 11);
+            this.comboBoxPizza.Name = "comboBoxPizza";
+            this.comboBoxPizza.Size = new System.Drawing.Size(239, 28);
+            this.comboBoxPizza.TabIndex = 1;
+            // 
+            // labelCount
+            // 
+            this.labelCount.AutoSize = true;
+            this.labelCount.Location = new System.Drawing.Point(12, 55);
+            this.labelCount.Name = "labelCount";
+            this.labelCount.Size = new System.Drawing.Size(97, 20);
+            this.labelCount.TabIndex = 2;
+            this.labelCount.Text = "Количество: ";
+            // 
+            // textBoxCount
+            // 
+            this.textBoxCount.Location = new System.Drawing.Point(115, 52);
+            this.textBoxCount.Name = "textBoxCount";
+            this.textBoxCount.Size = new System.Drawing.Size(239, 27);
+            this.textBoxCount.TabIndex = 3;
+            // 
+            // buttonSell
+            // 
+            this.buttonSell.Location = new System.Drawing.Point(128, 99);
+            this.buttonSell.Name = "buttonSell";
+            this.buttonSell.Size = new System.Drawing.Size(94, 29);
+            this.buttonSell.TabIndex = 4;
+            this.buttonSell.Text = "Продать";
+            this.buttonSell.UseVisualStyleBackColor = true;
+            this.buttonSell.Click += new System.EventHandler(this.ButtonSell_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(242, 99);
+            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);
+            // 
+            // FormSellPizza
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(366, 140);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSell);
+            this.Controls.Add(this.textBoxCount);
+            this.Controls.Add(this.labelCount);
+            this.Controls.Add(this.comboBoxPizza);
+            this.Controls.Add(this.labelPizza);
+            this.Name = "FormSellPizza";
+            this.Text = "Продажа пиццы";
+            this.Load += new System.EventHandler(this.FormSellingPizza_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label labelPizza;
+        private ComboBox comboBoxPizza;
+        private Label labelCount;
+        private TextBox textBoxCount;
+        private Button buttonSell;
+        private Button buttonCancel;
+    }
+}

Pizzeria/PizzeriaView/FormSellPizza.cs

@@ -0,0 +1,94 @@
+using Microsoft.Extensions.Logging;
+using PizzeriaBusinessLogic.BusinessLogics;
+using PizzeriaContracts.BusinessLogicsContracts;
+using PizzeriaContracts.SearchModels;
+using PizzeriaContracts.StoragesContracts;
+using PizzeriaContracts.ViewModels;
+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 PizzeriaView
+{
+    public partial class FormSellPizza : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IPizzaLogic _logicP;
+        private readonly IShopLogic _logicS;
+        private List<PizzaViewModel> _pizzaList = new List<PizzaViewModel>();
+
+        public FormSellPizza(ILogger<FormSellPizza> logger, IPizzaLogic logicP, IShopLogic logicS)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicP = logicP;
+            _logicS = logicS;
+        }
+
+        private void FormSellingPizza_Load(object sender, EventArgs e)
+        {
+            _pizzaList = _logicP.ReadList(null);
+            if (_pizzaList != null)
+            {
+                comboBoxPizza.DisplayMember = "PizzaName";
+                comboBoxPizza.ValueMember = "Id";
+                comboBoxPizza.DataSource = _pizzaList;
+                comboBoxPizza.SelectedItem = null;
+                _logger.LogInformation("Загрузка пиццы для продажи");
+            }
+        }
+
+        private void ButtonSell_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxPizza.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите пиццу", "Ошибка",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            try
+            {
+                int count = Convert.ToInt32(textBoxCount.Text);
+                var computer = _logicP.ReadElement(new() { Id = Convert.ToInt32(comboBoxPizza.SelectedValue) });
+                if (computer == null)
+                    return;
+                bool res = _logicS.MakeSell(computer, count);
+
+                if (!res)
+                {
+                    throw new Exception("Ошибка при продаже.");
+                }
+
+                MessageBox.Show("Продажа прошла успешно");
+                DialogResult = DialogResult.OK;
+                Close();
+
+            }
+            catch (Exception err)
+            {
+                MessageBox.Show("Ошибка продажи");
+                return;
+            }
+
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

Pizzeria/PizzeriaView/FormShop.Designer.cs

@@ -40,7 +40,10 @@
             this.Count = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.label1 = new System.Windows.Forms.Label();
             this.dateTimeOpen = new System.Windows.Forms.DateTimePicker();
+            this.label2 = new System.Windows.Forms.Label();
+            this.numericUpPizzaMaxCount = new System.Windows.Forms.NumericUpDown();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpPizzaMaxCount)).BeginInit();
             this.SuspendLayout();
             // 
             // labelName
@@ -105,13 +108,13 @@
             this.id,
             this.PizzaName,
             this.Count});
-            this.dataGridView.Location = new System.Drawing.Point(12, 144);
+            this.dataGridView.Location = new System.Drawing.Point(12, 185);
             this.dataGridView.Name = "dataGridView";
             this.dataGridView.ReadOnly = true;
             this.dataGridView.RowHeadersBorderStyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.None;
             this.dataGridView.RowHeadersWidthSizeMode = System.Windows.Forms.DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders;
             this.dataGridView.RowTemplate.Height = 29;
-            this.dataGridView.Size = new System.Drawing.Size(569, 307);
+            this.dataGridView.Size = new System.Drawing.Size(569, 266);
             this.dataGridView.TabIndex = 7;
             // 
             // id
@@ -152,11 +155,34 @@
             this.dateTimeOpen.Size = new System.Drawing.Size(401, 27);
             this.dateTimeOpen.TabIndex = 9;
             // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(12, 148);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(100, 20);
+            this.label2.TabIndex = 10;
+            this.label2.Text = "Вместимость";
+            // 
+            // numericUpPizzaMaxCount
+            // 
+            this.numericUpPizzaMaxCount.Location = new System.Drawing.Point(128, 146);
+            this.numericUpPizzaMaxCount.Maximum = new decimal(new int[] {
+            10000,
+            0,
+            0,
+            0});
+            this.numericUpPizzaMaxCount.Name = "numericUpPizzaMaxCount";
+            this.numericUpPizzaMaxCount.Size = new System.Drawing.Size(401, 27);
+            this.numericUpPizzaMaxCount.TabIndex = 11;
+            // 
             // FormShop
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(593, 513);
+            this.Controls.Add(this.numericUpPizzaMaxCount);
+            this.Controls.Add(this.label2);
             this.Controls.Add(this.dateTimeOpen);
             this.Controls.Add(this.label1);
             this.Controls.Add(this.dataGridView);
@@ -170,6 +196,7 @@
             this.Text = "Магазин";
             this.Load += new System.EventHandler(this.FormShop_Load);
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.numericUpPizzaMaxCount)).EndInit();
             this.ResumeLayout(false);
             this.PerformLayout();
 
@@ -189,5 +216,7 @@
         private DataGridViewTextBoxColumn Count;
         private Label label1;
         private DateTimePicker dateTimeOpen;
+        private Label label2;
+        private NumericUpDown numericUpPizzaMaxCount;
     }
 }

Pizzeria/PizzeriaView/FormShop.cs

@@ -23,7 +23,6 @@ namespace PizzeriaView
         public int Id { set { _id = value; } }
         private Dictionary<int, (IPizzaModel, int)> _ShopPizzas;
         private DateTime? _openingDate = null;
-
         public FormShop(ILogger<FormShop> logger, IShopLogic logic)
         {
             InitializeComponent();
@@ -31,7 +30,6 @@ namespace PizzeriaView
             _logic = logic;
             _ShopPizzas = new Dictionary<int, (IPizzaModel, int)>();
         }
-
         private void FormShop_Load(object sender, EventArgs e)
         {
             if (_id.HasValue)
@@ -48,6 +46,7 @@ namespace PizzeriaView
                         textBoxName.Text = view.ShopName;
                         textBoxAdress.Text = view.Adress;
                         dateTimeOpen.Value = view.OpeningDate;
+                        numericUpPizzaMaxCount.Value = view.PizzaMaxCount;
                         _ShopPizzas = view.ShopPizzas ?? new Dictionary<int, (IPizzaModel, int)>();
                         LoadData();
                     }
@@ -101,7 +100,8 @@ namespace PizzeriaView
                     Id = _id ?? 0,
                     ShopName = textBoxName.Text,
                     Adress = textBoxAdress.Text,
-                    OpeningDate = dateTimeOpen.Value
+                    OpeningDate = dateTimeOpen.Value,
+                    PizzaMaxCount = (int)numericUpPizzaMaxCount.Value
                 };
                 var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
                 if (!operationResult)
@@ -118,7 +118,6 @@ namespace PizzeriaView
                 MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
         }
-
         private void buttonCancel_Click(object sender, EventArgs e)
         {
             DialogResult = DialogResult.Cancel;

Pizzeria/PizzeriaView/PizzeriaView.csproj

@@ -19,6 +19,10 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
     <PackageReference Include="NLog" Version="5.2.8" />
@@ -28,7 +32,7 @@
   <ItemGroup>
     <ProjectReference Include="..\PizzeriaBusinessLogic\PizzeriaBusinessLogic.csproj" />
     <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
-    <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
+    <ProjectReference Include="..\PizzeriaDatabaseImplement\PizzeriaDatabaseImplement.csproj" />
     <ProjectReference Include="..\PizzeriaListImplement\PizzeriaListImplement.csproj" />
   </ItemGroup>
 

Pizzeria/PizzeriaView/Program.cs

@@ -4,8 +4,8 @@ using NLog.Extensions.Logging;
 using PizzeriaBusinessLogic.BusinessLogics;
 using PizzeriaContracts.BusinessLogicsContracts;
 using PizzeriaContracts.StoragesContracts;
-using PizzeriaListImplement.Implements;
+using PizzeriaDatabaseImplement.Implements;
-using System;
+
 
 namespace PizzeriaView
 {
@@ -49,11 +49,6 @@ namespace PizzeriaView
             services.AddTransient<FormPizza>();
             services.AddTransient<FormPizzaComponent>();
             services.AddTransient<FormPizzas>();
-            services.AddTransient<IShopStorage, ShopStorage>();
-            services.AddTransient<IShopLogic, ShopLogic>();
-            services.AddTransient<FormShop>();
-            services.AddTransient<FormShops>();
-            services.AddTransient<FormCreateSupply>();
         }
     }
 }