исправлено изменение

IceCreamShop/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels.sln

@@ -1,25 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.3.32922.545
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AbstractIceCreamShopDataModels", "AbstractIceCreamShopDataModels\AbstractIceCreamShopDataModels.csproj", "{28830087-9D9F-4E66-84CC-94C5CF376BF1}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{28830087-9D9F-4E66-84CC-94C5CF376BF1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{28830087-9D9F-4E66-84CC-94C5CF376BF1}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{28830087-9D9F-4E66-84CC-94C5CF376BF1}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{28830087-9D9F-4E66-84CC-94C5CF376BF1}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {A7BDC253-D956-404D-9013-AD0FE1F32DD1}
-	EndGlobalSection
-EndGlobal

IceCreamShop/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels.csproj

@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
-    <ImplicitUsings>enable</ImplicitUsings>
-    <Nullable>enable</Nullable>
-  </PropertyGroup>
-
-</Project>

IceCreamShop/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels/IComponentModel.cs

@@ -1,14 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AbstractIceCreamShopDataModels.Models
-{
-    public interface IComponentModel : IId
-    {
-        string ComponentName { get; }
-        double Cost { get; }
-    }
-}

IceCreamShop/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels/IId.cs

@@ -1,13 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AbstractIceCreamShopDataModels
-{
-    public interface IId
-    {
-        int Id { get; }
-    }
-}

IceCreamShop/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels/IOrderModel.cs

@@ -1,19 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-
-namespace AbstractIceCreamShopDataModels.Models
-{
-    public interface IOrderModel : IId
-    {
-        int ProductId { get; }
-        int Count { get; }
-        double Sum { get; }
-        OrderStatus Status { get; }
-        DateTime DateCreate { get; }
-        DateTime? DateImplement { get; }
-    }
-}

IceCreamShop/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels/IProductModel.cs

@@ -1,15 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AbstractIceCreamShopDataModels.Models
-{
-    public interface IProductModel : IId
-    {
-        string ProductName { get; }
-        double Price { get; }
-        Dictionary<int, (IComponentModel, int)> ProductComponents { get; }
-    }
-}

IceCreamShop/AbstractIceCreamShopDataModels/AbstractIceCreamShopDataModels/OrderStatus.cs

@@ -1,11 +0,0 @@
-namespace AbstractIceCreamShopDataModels
-{
-    public enum OrderStatus
-    {
-        Неизвестен = -1,
-        Принят = 0,
-        Выполняется = 1,
-        Готов = 2,
-        Выдан = 3
-    }
-}

IceCreamShop/IceCreamBusinessLogic/BusinessLogics/ComponentLogic.cs

@@ -11,7 +11,7 @@ using IceCreamShopContracts.StoragesContracts;
 using IceCreamShopContracts.ViewModels;
 
 
-namespace IceCreamShopBusinessLogic.BusinessLogics
+namespace IceCreamBusinessLogic.BusinessLogics
 {
     public class ComponentLogic : IComponentLogic
     {
@@ -101,7 +101,7 @@ namespace IceCreamShopBusinessLogic.BusinessLogics
                 throw new ArgumentNullException("Цена компонента должна быть больше 0", nameof(model.Cost));
             }
             _logger.LogInformation("Component. ComponentName:{ComponentName}. Cost:{ Cost}. Id: { Id}", model.ComponentName, model.Cost, model.Id);
-            var element = _componentStorage.GetElement(new ComponentSearchModel { ComponentName= model.ComponentName });
+            var element = _componentStorage.GetElement(new ComponentSearchModel { ComponentName = model.ComponentName });
             if (element != null && element.Id != model.Id)
             {
                 throw new InvalidOperationException("Компонент с таким названием уже есть");

IceCreamShop/IceCreamBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -95,8 +95,30 @@ namespace IceCreamBusinessLogic.BusinessLogics
             _logger.LogInformation("Order. OrderID:{Id}.Sum:{ Sum}. DocumentId: { DocumentId}", model.Id, model.Sum, model.IceCreamId);
         }
 
-        public bool SetNewStatus(OrderBindingModel model, OrderStatus newStatus)
+        public bool SetNewStatus(OrderBindingModel orderModel, OrderStatus newStatus)
         {
+            var viewModel = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = orderModel.Id
+            });
+
+            if (viewModel == null)
+            {
+                _logger.LogWarning("Order model not found");
+                return false;
+            }
+
+            OrderBindingModel model = new OrderBindingModel
+            {
+                Id = viewModel.Id,
+                IceCreamId = viewModel.IceCreamId,
+                IceCreamName = viewModel.IceCreamName,
+                Status = viewModel.Status,
+                DateCreate = viewModel.DateCreate,
+                DateImplement = viewModel.DateImplement,
+                Count = viewModel.Count,
+                Sum = viewModel.Sum
+            };
             CheckModel(model);
             if (model.Status + 1 != newStatus)
             {

IceCreamShop/IceCreamShop.sln

@@ -11,7 +11,11 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShopContracts", "Ic
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamBusinessLogic", "IceCreamBusinessLogic\IceCreamBusinessLogic.csproj", "{E4C64BCD-22DF-43B5-8324-AE64F9237DFF}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IceCreamShopListImplement", "IceCreamShopListImplement\IceCreamShopListImplement.csproj", "{EBB0BAF6-8DEE-42EF-8AF5-571B4E0DE95E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShopListImplement", "IceCreamShopListImplement\IceCreamShopListImplement.csproj", "{EBB0BAF6-8DEE-42EF-8AF5-571B4E0DE95E}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IceCreamShopFileImplement", "IceCreamShopFileImplement\IceCreamShopFileImplement.csproj", "{382E618C-D833-4E98-9786-7A831953ABD0}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IceCreamShopDatabaseImplement", "IceCreamShopDatabaseImplement\IceCreamShopDatabaseImplement.csproj", "{9C8466E4-0AA1-4B4F-A733-5130C29513BB}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +43,14 @@ Global
 		{EBB0BAF6-8DEE-42EF-8AF5-571B4E0DE95E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{EBB0BAF6-8DEE-42EF-8AF5-571B4E0DE95E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{EBB0BAF6-8DEE-42EF-8AF5-571B4E0DE95E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{382E618C-D833-4E98-9786-7A831953ABD0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{382E618C-D833-4E98-9786-7A831953ABD0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{382E618C-D833-4E98-9786-7A831953ABD0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{382E618C-D833-4E98-9786-7A831953ABD0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9C8466E4-0AA1-4B4F-A733-5130C29513BB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9C8466E4-0AA1-4B4F-A733-5130C29513BB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9C8466E4-0AA1-4B4F-A733-5130C29513BB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9C8466E4-0AA1-4B4F-A733-5130C29513BB}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

IceCreamShop/IceCreamShop/FormMain.cs

@@ -90,12 +90,6 @@ namespace IceCreamShopView
                     var operationResult = _orderLogic.TakeOrderInWork(new OrderBindingModel
                     { 
                         Id = id,
-                        IceCreamId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["IceCreamId"].Value),
-                        IceCreamName = dataGridView.SelectedRows[0].Cells["IceCreamName"].Value.ToString(),
-                        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()),
                     });
                     if (!operationResult)
                     {
@@ -123,12 +117,6 @@ namespace IceCreamShopView
                     var operationResult = _orderLogic.DeliveryOrder(new OrderBindingModel
                     {
                         Id = id,
-                        IceCreamId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["IceCreamId"].Value),
-                        IceCreamName = dataGridView.SelectedRows[0].Cells["IceCreamName"].Value.ToString(),
-                        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()),
                     });
                     if (!operationResult)
                     {
@@ -155,12 +143,6 @@ namespace IceCreamShopView
                     var operationResult = _orderLogic.FinishOrder(new OrderBindingModel
                     {
                         Id = id,
-                        IceCreamId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["IceCreamId"].Value),
-                        IceCreamName = dataGridView.SelectedRows[0].Cells["IceCreamName"].Value.ToString(),
-                        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()),
                     });
                     if (!operationResult)
                     {

IceCreamShop/IceCreamShop/IceCreamShopView.csproj

@@ -9,6 +9,10 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.2.1" />
   </ItemGroup>
@@ -16,6 +20,8 @@
   <ItemGroup>
     <ProjectReference Include="..\IceCreamBusinessLogic\IceCreamBusinessLogic.csproj" />
     <ProjectReference Include="..\IceCreamShopContracts\IceCreamShopContracts.csproj" />
+    <ProjectReference Include="..\IceCreamShopDatabaseImplement\IceCreamShopDatabaseImplement.csproj" />
+    <ProjectReference Include="..\IceCreamShopFileImplement\IceCreamShopFileImplement.csproj" />
     <ProjectReference Include="..\IceCreamShopListImplement\IceCreamShopListImplement.csproj" />
   </ItemGroup>
 

IceCreamShop/IceCreamShop/Program.cs

@@ -1,12 +1,11 @@
 using IceCreamShopContracts.BusinessLogicsContracts;
 using IceCreamShopContracts.StoragesContracts;
-using IceCreamShopListImplement.Implements;
 using IceCreamBusinessLogic.BusinessLogics;
 using IceCreamShopView;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
-using IceCreamShopBusinessLogic.BusinessLogics;
+using IceCreamShopDatabaseImplement.Implements;
 
 namespace IceCreamShop
 {

IceCreamShop/IceCreamShopBusinessLogic/BusinessLogics/ComponentLogic.cs

@@ -1,122 +0,0 @@
-using AbstractShopContracts.BindingModels;
-using AbstractShopContracts.BusinessLogicsContracts;
-using AbstractShopContracts.SearchModels;
-using AbstractShopContracts.StoragesContracts;
-using AbstractShopContracts.ViewModels;
-using Microsoft.Extensions.Logging;
-
-using IceCreamShopContracts.BindingModels;
-
-namespace IceCreamShopBusinessLogic.BusinessLogics
-{
-    public class ComponentLogic : IComponentLogic
-    {
-        private readonly ILogger _logger;
-        private readonly IComponentStorage _componentStorage;
-        public ComponentLogic(ILogger<ComponentLogic> logger, IComponentStorage
-       componentStorage)
-        {
-            _logger = logger;
-            _componentStorage = componentStorage;
-        }
-        public List<ComponentViewModel>? ReadList(ComponentSearchModel? model)
-        {
-            _logger.LogInformation("ReadList. ComponentName:{ComponentName}.
-           Id:{ Id}
-            ", model?.ComponentName, model?.Id);
-        var list = model == null ? _componentStorage.GetFullList() :
-_componentStorage.GetFilteredList(model);
-            if (list == null)
-            {
-                _logger.LogWarning("ReadList return null list");
-                return null;
-            }
-            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
-            return list;
-        }
-        public ComponentViewModel? ReadElement(ComponentSearchModel model)
-        {
-            if (model == null)
-            {
-                throw new ArgumentNullException(nameof(model));
-            }
-            _logger.LogInformation("ReadElement. ComponentName:{ComponentName}.
-           Id:{ Id}
-            ", model.ComponentName, model.Id);
-        var element = _componentStorage.GetElement(model);
-            if (element == null)
-            {
-                _logger.LogWarning("ReadElement element not found");
-                return null;
-            }
-            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
-            return element;
-        }
-        public bool Create(ComponentBindingModel model)
-        {
-            CheckModel(model);
-            if (_componentStorage.Insert(model) == null)
-            {
-                _logger.LogWarning("Insert operation failed");
-                return false;
-            }
-            return true;
-        }
-        public bool Update(ComponentBindingModel model)
-        {
-            CheckModel(model);
-            if (_componentStorage.Update(model) == null)
-            {
-                _logger.LogWarning("Update operation failed");
-                return false;
-            }
-            return true;
-        }
-        public bool Delete(ComponentBindingModel model)
-        {
-            CheckModel(model, false);
-            _logger.LogInformation("Delete. Id:{Id}", model.Id);
-            if (_componentStorage.Delete(model) == null)
-            {
-                _logger.LogWarning("Delete operation failed");
-                return false;
-            }
-            return true;
-        }
-        private void CheckModel(ComponentBindingModel model, bool withParams =
-       true)
-        {
-            if (model == null)
-            {
-                throw new ArgumentNullException(nameof(model));
-            }
-            if (!withParams)
-            {
-                return;
-            }
-            if (string.IsNullOrEmpty(model.ComponentName))
-            {
-                throw new ArgumentNullException("Нет названия компонента",
-               nameof(model.ComponentName));
-            }
-            if (model.Cost <= 0)
-            {
-                throw new ArgumentNullException("Цена компонента должна быть
-               больше 0", nameof(model.Cost));
-            }
-            _logger.LogInformation("Component. ComponentName:{ComponentName}.
-           Cost:{ Cost}. Id: { Id}
-            ", model.ComponentName, model.Cost, model.Id);
-        var element = _componentStorage.GetElement(new ComponentSearchModel
- {
-     ComponentName = model.ComponentName
- });
-            if (element != null && element.Id != model.Id)
-            {
-                throw new InvalidOperationException("Компонент с таким названием
-               уже есть");
-            }
-        }
-    }
-}
-

IceCreamShop/IceCreamShopDatabaseImplement/IceCreamShopDatabase.cs

@@ -0,0 +1,25 @@
+using IceCreamShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace IceCreamShopDatabaseImplement
+{
+    public class IceCreamShopDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=INOSENJU\SQLEXPRESS;Initial Catalog=IceCreamShopDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+
+        public virtual DbSet<Component> Components { set; get; }
+
+        public virtual DbSet<IceCream> IceCreams { set; get; }
+
+        public virtual DbSet<IceCreamComponent> IceCreamComponents { set; get; }
+
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/IceCreamShopDatabaseImplement.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\IceCreamShopContracts\IceCreamShopContracts.csproj" />
+    <ProjectReference Include="..\IceCreamShopDataModels\IceCreamShopDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

IceCreamShop/IceCreamShopDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,78 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopDatabaseImplement.Models;
+
+namespace IceCreamShopDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new IceCreamShopDatabase();
+            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 IceCreamShopDatabase();
+            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 IceCreamShopDatabase();
+            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 IceCreamShopDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new IceCreamShopDatabase();
+            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 IceCreamShopDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Implements/IceCreamStorage.cs

@@ -0,0 +1,105 @@
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopContracts.BindingModels;
+using Microsoft.EntityFrameworkCore;
+using IceCreamShopDatabaseImplement.Models;
+
+namespace IceCreamShopDatabaseImplement.Implements
+{
+    public class IceCreamStorage : IIceCreamStorage
+    {
+        public List<IceCreamViewModel> GetFullList()
+        {
+            using var context = new IceCreamShopDatabase();
+            return context.IceCreams
+                    .Include(x => x.Components)
+                    .ThenInclude(x => x.Component)
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<IceCreamViewModel> GetFilteredList(IceCreamSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.IceCreamName))
+            {
+                return new();
+            }
+            using var context = new IceCreamShopDatabase();
+            return context.IceCreams
+                    .Include(x => x.Components)
+                    .ThenInclude(x => x.Component)
+                    .Where(x => x.IceCreamName.Contains(model.IceCreamName))
+                    .ToList()
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public IceCreamViewModel? GetElement(IceCreamSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.IceCreamName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new IceCreamShopDatabase();
+            return context.IceCreams
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.IceCreamName) && x.IceCreamName == model.IceCreamName) ||
+                                (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public IceCreamViewModel? Insert(IceCreamBindingModel model)
+        {
+            using var context = new IceCreamShopDatabase();
+            var newIceCream = IceCream.Create(context, model);
+            if (newIceCream == null)
+            {
+                return null;
+            }
+            context.IceCreams.Add(newIceCream);
+            context.SaveChanges();
+            return newIceCream.GetViewModel;
+        }
+
+        public IceCreamViewModel? Update(IceCreamBindingModel model)
+        {
+            using var context = new IceCreamShopDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var iceCream = context.IceCreams.FirstOrDefault(rec => rec.Id == model.Id);
+                if (iceCream == null)
+                {
+                    return null;
+                }
+                iceCream.Update(model);
+                context.SaveChanges();
+                iceCream.UpdateComponents(context, model);
+                transaction.Commit();
+                return iceCream.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public IceCreamViewModel? Delete(IceCreamBindingModel model)
+        {
+            using var context = new IceCreamShopDatabase();
+            var element = context.IceCreams
+                .Include(x => x.Components)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.IceCreams.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,93 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopDatabaseImplement.Models;
+
+namespace IceCreamShopDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new IceCreamShopDatabase();
+
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new IceCreamShopDatabase();
+
+            return context.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            using var context = new IceCreamShopDatabase();
+
+            return context.Orders.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new IceCreamShopDatabase();
+
+            return context.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            using var context = new IceCreamShopDatabase();
+
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new IceCreamShopDatabase();
+
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            context.SaveChanges();
+
+            return order.GetViewModel;
+        }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Migrations/20230226160632_InitMigration.Designer.cs

@@ -0,0 +1,160 @@
+// <auto-generated />
+using System;
+using IceCreamShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace IceCreamShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(IceCreamShopDatabase))]
+    [Migration("20230226160632_InitMigration")]
+    partial class InitMigration
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCream", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("IceCreamName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("IceCreams");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCreamComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("IceCreamId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("IceCreamId");
+
+                    b.ToTable("IceCreamComponents");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("IceCreamId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("IceCreamName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCreamComponent", b =>
+                {
+                    b.HasOne("IceCreamShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("IceCreamComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("IceCreamShopDatabaseImplement.Models.IceCream", "IceCream")
+                        .WithMany("Components")
+                        .HasForeignKey("IceCreamId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("IceCream");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("IceCreamComponents");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCream", b =>
+                {
+                    b.Navigation("Components");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Migrations/20230226160632_InitMigration.cs

@@ -0,0 +1,115 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace IceCreamShopDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitMigration : Migration
+    {
+        /// <inheritdoc />
+        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: "IceCreams",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    IceCreamName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_IceCreams", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    IceCreamId = table.Column<int>(type: "int", nullable: false),
+                    IceCreamName = table.Column<string>(type: "nvarchar(max)", 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);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "IceCreamComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    IceCreamId = 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_IceCreamComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_IceCreamComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_IceCreamComponents_IceCreams_IceCreamId",
+                        column: x => x.IceCreamId,
+                        principalTable: "IceCreams",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IceCreamComponents_ComponentId",
+                table: "IceCreamComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_IceCreamComponents_IceCreamId",
+                table: "IceCreamComponents",
+                column: "IceCreamId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "IceCreamComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "IceCreams");
+        }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Migrations/IceCreamShopDatabaseModelSnapshot.cs

@@ -0,0 +1,161 @@
+// <auto-generated />
+using System;
+using IceCreamShopDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace IceCreamShopDatabaseImplement.Migrations
+{
+    [DbContext(typeof(IceCreamShopDatabase))]
+    partial class IceCreamShopDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCream", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("IceCreamName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("IceCreams");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCreamComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("IceCreamId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("IceCreamId");
+
+                    b.ToTable("IceCreamComponents");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("IceCreamId")
+                        .HasColumnType("int");
+
+                    b.Property<string>("IceCreamName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DocumentId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCreamComponent", b =>
+                {
+                    b.HasOne("IceCreamShopDatabaseImplement.Models.Component", "Component")
+                        .WithMany("IceCreamComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("IceCreamShopDatabaseImplement.Models.IceCream", "IceCream")
+                        .WithMany("Components")
+                        .HasForeignKey("IceCreamId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("IceCream");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("IceCreamComponents");
+                });
+
+            modelBuilder.Entity("IceCreamShopDatabaseImplement.Models.IceCream", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Models/Component.cs

@@ -0,0 +1,61 @@
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using AbstractIceCreamShopDataModels.Models;
+
+
+namespace IceCreamShopDatabaseImplement.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<IceCreamComponent> IceCreamComponents { 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
+        };
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Models/IceCream.cs

@@ -0,0 +1,99 @@
+using AbstractIceCreamShopDataModels.Models;
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace IceCreamShopDatabaseImplement.Models
+{
+    public class IceCream : IIceCreamModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string IceCreamName { get; set; } = string.Empty;
+
+        [Required]
+        public double Price { get; set; }
+
+        private Dictionary<int, (IComponentModel, int)>? _iceCreamComponents = null;
+
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> IceCreamComponents
+        {
+            get
+            {
+                if (_iceCreamComponents == null)
+                {
+                    _iceCreamComponents = Components
+                            .ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _iceCreamComponents;
+            }
+        }
+
+        [ForeignKey("IceCreamId")]
+        public virtual List<IceCreamComponent> Components { get; set; } = new();
+
+        [ForeignKey("IceCreamId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static IceCream Create(IceCreamShopDatabase context, IceCreamBindingModel model)
+        {
+            return new IceCream()
+            {
+                Id = model.Id,
+                IceCreamName = model.IceCreamName,
+                Price = model.Price,
+                Components = model.IceCreamComponents.Select(x => new IceCreamComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(IceCreamBindingModel model)
+        {
+            IceCreamName = model.IceCreamName;
+            Price = model.Price;
+        }
+
+        public IceCreamViewModel GetViewModel => new()
+        {
+            Id = Id,
+            IceCreamName = IceCreamName,
+            Price = Price,
+            IceCreamComponents = IceCreamComponents
+        };
+
+        public void UpdateComponents(IceCreamShopDatabase context, IceCreamBindingModel model)
+        {
+            var iceCreamComponents = context.IceCreamComponents.Where(rec => rec.IceCreamId == model.Id).ToList();
+            if (iceCreamComponents != null && iceCreamComponents.Count > 0)
+            {   // удалили те, которых нет в модели
+                context.IceCreamComponents.RemoveRange(iceCreamComponents.Where(rec => !model.IceCreamComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in iceCreamComponents)
+                {
+                    updateComponent.Count = model.IceCreamComponents[updateComponent.ComponentId].Item2;
+                    model.IceCreamComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var iceCream = context.IceCreams.First(x => x.Id == Id);
+            foreach (var pc in model.IceCreamComponents)
+            {
+                context.IceCreamComponents.Add(new IceCreamComponent
+                {
+                    IceCream = iceCream,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _iceCreamComponents = null;
+        }
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Models/IceCreamComponent.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace IceCreamShopDatabaseImplement.Models
+{
+    public class IceCreamComponent
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int IceCreamId { get; set; }
+
+        [Required]
+        public int ComponentId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Component Component { get; set; } = new();
+
+        public virtual IceCream IceCream { get; set; } = new();
+    }
+}

IceCreamShop/IceCreamShopDatabaseImplement/Models/Order.cs

@@ -0,0 +1,67 @@
+using AbstractIceCreamShopDataModels.Enums;
+using AbstractIceCreamShopDataModels.Models;
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using System.ComponentModel.DataAnnotations;
+
+namespace IceCreamShopDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        [Required]
+        public int IceCreamId { get; set; }
+        public string IceCreamName { get; private set; } = string.Empty;
+        [Required]
+        public int Count { get; set; }
+        [Required]
+        public double Sum { get; set; }
+        [Required]
+        public OrderStatus Status { get; set; }
+        [Required]
+        public DateTime DateCreate { get; set; }
+
+        public DateTime? DateImplement { get; set; }
+
+        public int Id { get; set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order
+            {
+                IceCreamId = model.IceCreamId,
+                IceCreamName = model.IceCreamName,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Id = model.Id,
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            IceCreamId = IceCreamId,
+            IceCreamName = IceCreamName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            Id = Id,
+        };
+    }
+}

IceCreamShop/IceCreamShopFileImplement/DataFileSingleton.cs

@@ -0,0 +1,54 @@
+using IceCreamShopFileImplement.Models;
+using System.Xml.Linq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IceCreamShopFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string IceCreamFileName = "IceCream.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<IceCream> IceCreams { 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 SaveIceCreams() => SaveData(IceCreams, IceCreamFileName, "IceCreams", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            IceCreams = LoadData(IceCreamFileName, "IceCream", x => IceCream.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x => Order.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);
+            }
+        }
+    }
+}

IceCreamShop/IceCreamShopFileImplement/IceCreamShopFileImplement.csproj

@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
@@ -9,6 +8,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\IceCreamShopContracts\IceCreamShopContracts.csproj" />
+    <ProjectReference Include="..\IceCreamShopDataModels\IceCreamShopDataModels.csproj" />
   </ItemGroup>
 
 </Project>

IceCreamShop/IceCreamShopFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,78 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IceCreamShopFileImplement.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;
+        }
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Implements/IceCreamStorage.cs

@@ -0,0 +1,84 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.SymbolStore;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IceCreamShopFileImplement.Implements
+{
+    public class IceCreamStorage : IIceCreamStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public IceCreamStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public IceCreamViewModel? GetElement(IceCreamSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.IceCreamName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.IceCreams.FirstOrDefault(x => (!string.IsNullOrEmpty(model.IceCreamName) && x.IceCreamName == model.IceCreamName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<IceCreamViewModel> GetFilteredList(IceCreamSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.IceCreamName))
+            {
+                return new();
+            }
+            return source.IceCreams.Where(x => x.IceCreamName.Contains(model.IceCreamName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<IceCreamViewModel> GetFullList()
+        {
+            return source.IceCreams.Select(x => x.GetViewModel).ToList();
+        }
+
+        public IceCreamViewModel? Insert(IceCreamBindingModel model)
+        {
+            model.Id = source.IceCreams.Count > 0 ? source.IceCreams.Max(x => x.Id) + 1 : 1;
+            var newDoc = IceCream.Create(model);
+            if (newDoc == null)
+            {
+                return null;
+            }
+            source.IceCreams.Add(newDoc);
+            source.SaveIceCreams();
+            return newDoc.GetViewModel;
+        }
+
+        public IceCreamViewModel? Update(IceCreamBindingModel model)
+        {
+            var document = source.IceCreams.FirstOrDefault(x => x.Id == model.Id);
+            if (document == null)
+            {
+                return null;
+            }
+            document.Update(model);
+            source.SaveIceCreams();
+            return document.GetViewModel;
+        }
+        public IceCreamViewModel? Delete(IceCreamBindingModel model)
+        {
+            var document = source.IceCreams.FirstOrDefault(x => x.Id == model.Id);
+            if (document == null)
+            {
+                return null;
+            }
+            document.Update(model);
+            source.SaveIceCreams();
+            return document.GetViewModel;
+        }
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,86 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.ViewModels;
+using IceCreamShopFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IceCreamShopFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Orders
+            .FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return source.Orders
+                .Where(x => x.Id == model.Id)
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        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 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 order.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            source.SaveOrders();
+            return order.GetViewModel;
+        }
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Models/Component.cs

@@ -0,0 +1,64 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using AbstractIceCreamShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace IceCreamShopFileImplement.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()));
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Models/IceCream.cs

@@ -0,0 +1,88 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using AbstractIceCreamShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace IceCreamShopFileImplement.Models
+{
+    public class IceCream
+    {
+        public int Id { get; private set; }
+        public string IceCreamName { 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)>? _iceCreamComponents = null;
+        public Dictionary<int, (IComponentModel, int)> IceCreamComponents
+        {
+            get
+            {
+                if (_iceCreamComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _iceCreamComponents = Components.ToDictionary(x => x.Key, y =>
+                    ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
+                }
+                return _iceCreamComponents;
+            }
+        }
+        public static IceCream? Create(IceCreamBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new IceCream()
+            {
+                Id = model.Id,
+                IceCreamName = model.IceCreamName,
+                Price = model.Price,
+                Components = model.IceCreamComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+        public static IceCream? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new IceCream()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                IceCreamName = element.Element("IceCreamName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("IceCreamComponents")!.Elements("IceCreamComponent")
+                .ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x =>
+                Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(IceCreamBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            IceCreamName = model.IceCreamName;
+            Price = model.Price;
+            Components = model.IceCreamComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _iceCreamComponents = null;
+        }
+        public IceCreamViewModel GetViewModel => new()
+        {
+            Id = Id,
+            IceCreamName = IceCreamName,
+            Price = Price,
+            IceCreamComponents = IceCreamComponents
+        };
+        public XElement GetXElement => new("IceCream",
+        new XAttribute("Id", Id),
+        new XElement("IceCreamName", IceCreamName),
+        new XElement("Price", Price.ToString()),
+        new XElement("IceCreamComponents", Components.Select(x =>
+        new XElement("IceCreamComponents",  new XElement("Key", x.Key),  new XElement("Value", x.Value))).ToArray()));
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Models/Order.cs

@@ -0,0 +1,104 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using AbstractIceCreamShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using AbstractIceCreamShopDataModels.Enums;
+using System.Xml.Linq;
+using System.Reflection.Metadata;
+
+namespace IceCreamShopFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int IceCreamId { get; private set; }
+        public string IceCreamName { get; private set; } = string.Empty;
+
+        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,
+                IceCreamId = model.IceCreamId,
+                IceCreamName = model.IceCreamName,
+                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;
+            }
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                IceCreamId = Convert.ToInt32(element.Element("IceCreamId")!.Value),
+                IceCreamName = element.Element("IceCreamName")!.Value,
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = string.IsNullOrEmpty(element.Element("DateImplement")!.Value) ? null : Convert.ToDateTime(element.Element("DateImplement")!.Value)
+            };
+        }
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Id = model.Id;
+            IceCreamId = model.IceCreamId;
+            IceCreamName = model.IceCreamName;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            IceCreamId = IceCreamId,
+            IceCreamName = IceCreamName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+        };
+        public XElement GetXElement => new(
+                "Order",
+                 new XAttribute("Id", Id),
+                 new XElement("IceCreamId", IceCreamId.ToString()),
+                 new XElement("IceCreamName", IceCreamName),
+                 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())
+        );
+    }
+}