Merge branch 'BaseLabWork03' into HardLabWork03

FoodOrders/FoodOrders.sln

@@ -9,9 +9,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FoodOrdersDataModels", "Foo
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FoodOrdersContracts", "FoodOrdersContracts\FoodOrdersContracts.csproj", "{5527E07B-9B94-4735-93FB-49267F0B8038}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FoodOrdersBusinessLogic", "FoodOrdersBusinessLogic\FoodOrdersBusinessLogic.csproj", "{4C44A99E-7D02-4D07-9714-9414423B560E}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FoodOrdersBusinessLogic", "FoodOrdersBusinessLogic\FoodOrdersBusinessLogic.csproj", "{4C44A99E-7D02-4D07-9714-9414423B560E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FoodOrdersListImplement", "FoodOrdersListImplement\FoodOrdersListImplement.csproj", "{A4012AB3-40FB-4FF6-A55A-E593AB80A153}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FoodOrdersListImplement", "FoodOrdersListImplement\FoodOrdersListImplement.csproj", "{A4012AB3-40FB-4FF6-A55A-E593AB80A153}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FoodOrdersFileImplement", "FoodOrdersFileImplement\FoodOrdersFileImplement.csproj", "{E5B30B3F-30CF-4D4D-80E6-22A2EA20CC9C}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FoodOrdersDatabaseImplement", "FoodOrdersDatabaseImplement\FoodOrdersDatabaseImplement.csproj", "{76381392-4D9E-4CA8-ABB5-1C1F5E2CC10C}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +43,14 @@ Global
 		{A4012AB3-40FB-4FF6-A55A-E593AB80A153}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A4012AB3-40FB-4FF6-A55A-E593AB80A153}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A4012AB3-40FB-4FF6-A55A-E593AB80A153}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E5B30B3F-30CF-4D4D-80E6-22A2EA20CC9C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E5B30B3F-30CF-4D4D-80E6-22A2EA20CC9C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E5B30B3F-30CF-4D4D-80E6-22A2EA20CC9C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E5B30B3F-30CF-4D4D-80E6-22A2EA20CC9C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{76381392-4D9E-4CA8-ABB5-1C1F5E2CC10C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{76381392-4D9E-4CA8-ABB5-1C1F5E2CC10C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{76381392-4D9E-4CA8-ABB5-1C1F5E2CC10C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{76381392-4D9E-4CA8-ABB5-1C1F5E2CC10C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

FoodOrders/FoodOrders/FoodOrdersView.csproj

@@ -19,6 +19,10 @@
   </ItemGroup>
 
   <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.DependencyInjection" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.2.1" />
@@ -27,6 +31,8 @@
   <ItemGroup>
     <ProjectReference Include="..\FoodOrdersBusinessLogic\FoodOrdersBusinessLogic.csproj" />
     <ProjectReference Include="..\FoodOrdersContracts\FoodOrdersContracts.csproj" />
+    <ProjectReference Include="..\FoodOrdersDatabaseImplement\FoodOrdersDatabaseImplement.csproj" />
+    <ProjectReference Include="..\FoodOrdersFileImplement\FoodOrdersFileImplement.csproj" />
     <ProjectReference Include="..\FoodOrdersListImplement\FoodOrdersListImplement.csproj" />
   </ItemGroup>
 

FoodOrders/FoodOrders/FormCreateOrder.cs

@@ -45,9 +45,9 @@ namespace FoodOrdersView
                 try
                 {
                     int id = Convert.ToInt32(comboBoxDish.SelectedValue);
-                    var product = _logicD.ReadElement(new DishSearchModel { Id = id });
+                    var dish = _logicD.ReadElement(new DishSearchModel { Id = id });
                     int count = Convert.ToInt32(textBoxCount.Text);
-                    textBoxSum.Text = Math.Round(count * (product?.Price ?? 0), 2).ToString();
+                    textBoxSum.Text = Math.Round(count * (dish?.Price ?? 0), 2).ToString();
                     _logger.LogInformation("Расчет суммы заказа");
                 }
                 catch (Exception ex)

FoodOrders/FoodOrders/FormDish.cs

@@ -56,9 +56,9 @@ namespace FoodOrdersView
                 if (_dishComponents != null)
                 {
                     dataGridView.Rows.Clear();
-                    foreach (var sc in _dishComponents)
+                    foreach (var dc in _dishComponents)
                     {
-                        dataGridView.Rows.Add(new object[] { sc.Key, sc.Value.Item1.ComponentName, sc.Value.Item2 });
+                        dataGridView.Rows.Add(new object[] { dc.Key, dc.Value.Item1.ComponentName, dc.Value.Item2 });
                     }
                     textBoxPrice.Text = CalcPrice().ToString();
                 }

FoodOrders/FoodOrders/FormMain.cs

@@ -21,7 +21,6 @@ namespace FoodOrdersView
         }
         private void LoadData()
         {
-            _logger.LogInformation("Загрузка заказов");
             try
             {
                 var list = _logicO.ReadList(null);
@@ -73,12 +72,7 @@ namespace FoodOrdersView
                 {
                     var operationResult = _logicO.TakeOrderInWork(new OrderBindingModel
                     {
-                        Id = id,
-                        DishId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DishId"].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()),
+                        Id = id
                     });
                     if (!operationResult)
                     {
@@ -103,12 +97,7 @@ namespace FoodOrdersView
                 {
                     var operationResult = _logicO.FinishOrder(new OrderBindingModel 
                     {
-                        Id = id,
-                        DishId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DishId"].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()),
+                        Id = id
                     });
                     if (!operationResult)
                     {
@@ -133,12 +122,7 @@ namespace FoodOrdersView
                 {
                     var operationResult = _logicO.DeliveryOrder(new OrderBindingModel
                     {
-                        Id = id,
-                        DishId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DishId"].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()),
+                        Id = id
                     });
                     if (!operationResult)
                     {

FoodOrders/FoodOrders/FormSellDishes.Designer.cs

@@ -0,0 +1,120 @@
+namespace FoodOrdersView
+{
+    partial class FormSellDishes
+    {
+        /// <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()
+        {
+            buttonCancel = new Button();
+            buttonSell = new Button();
+            labelDish = new Label();
+            labelCount = new Label();
+            comboBoxDish = new ComboBox();
+            textBoxCount = new TextBox();
+            SuspendLayout();
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(383, 167);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(112, 34);
+            buttonCancel.TabIndex = 0;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += ButtonCancel_Click;
+            // 
+            // buttonSell
+            // 
+            buttonSell.Location = new Point(265, 167);
+            buttonSell.Name = "buttonSell";
+            buttonSell.Size = new Size(112, 34);
+            buttonSell.TabIndex = 1;
+            buttonSell.Text = "Продать";
+            buttonSell.UseVisualStyleBackColor = true;
+            buttonSell.Click += ButtonSell_Click;
+            // 
+            // labelDish
+            // 
+            labelDish.AutoSize = true;
+            labelDish.Location = new Point(12, 37);
+            labelDish.Name = "labelDish";
+            labelDish.Size = new Size(118, 25);
+            labelDish.TabIndex = 2;
+            labelDish.Text = "Блюдо:";
+            // 
+            // labelCount
+            // 
+            labelCount.AutoSize = true;
+            labelCount.Location = new Point(12, 81);
+            labelCount.Name = "labelCount";
+            labelCount.Size = new Size(111, 25);
+            labelCount.TabIndex = 3;
+            labelCount.Text = "Количество:";
+            // 
+            // comboBoxDish
+            // 
+            comboBoxDish.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxDish.FormattingEnabled = true;
+            comboBoxDish.Location = new Point(129, 37);
+            comboBoxDish.Name = "comboBoxDish";
+            comboBoxDish.Size = new Size(318, 33);
+            comboBoxDish.TabIndex = 4;
+            // 
+            // textBoxCount
+            // 
+            textBoxCount.Location = new Point(129, 81);
+            textBoxCount.Name = "textBoxCount";
+            textBoxCount.Size = new Size(318, 31);
+            textBoxCount.TabIndex = 5;
+            // 
+            // FormSellDishes
+            // 
+            AutoScaleDimensions = new SizeF(10F, 25F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(507, 213);
+            Controls.Add(textBoxCount);
+            Controls.Add(comboBoxDish);
+            Controls.Add(labelCount);
+            Controls.Add(labelDish);
+            Controls.Add(buttonSell);
+            Controls.Add(buttonCancel);
+            Name = "FormSellDishes";
+            Text = "Продажа блюд";
+            Load += FormSellDishes_Load;
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Button buttonCancel;
+        private Button buttonSell;
+        private Label labelDish;
+        private Label labelCount;
+        private ComboBox comboBoxDish;
+        private TextBox textBoxCount;
+    }
+}

FoodOrders/FoodOrders/FormSellDishes.cs

@@ -0,0 +1,92 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.BusinessLogicsContracts;
+using FoodOrdersContracts.SearchModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace FoodOrdersView
+{
+    public partial class FormSellDishes : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IDishLogic _logicC;
+        private readonly IShopLogic _logicS;
+        public FormSellDishes(ILogger<FormCreateOrder> logger, IDishLogic logicC, IShopLogic logicS)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicC = logicC;
+            _logicS = logicS;
+        }
+
+        private void FormSellDishes_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка блюд под продажу");
+            try
+            {
+                var list = _logicC.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxDish.DisplayMember = "DishName";
+                    comboBoxDish.ValueMember = "Id";
+                    comboBoxDish.DataSource = list;
+                    comboBoxDish.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка блюд");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        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 (comboBoxDish.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите блюдо", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Продажа блюд");
+            try
+            {
+                var operationResult = _logicS.SellDishes(_logicC.ReadElement
+                    (new DishSearchModel { DishName = comboBoxDish.Text})!,
+                    Convert.ToInt32(textBoxCount.Text));
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при продаже блюд. В магазинах недостаточно блюд.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение",
+                    MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка продажи блюд");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                    MessageBoxIcon.Error);
+            }
+        }
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

FoodOrders/FoodOrders/FormSellDishes.resx

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

FoodOrders/FoodOrders/FormShop.Designer.cs

@@ -41,6 +41,8 @@
             this.textBoxAddress = new System.Windows.Forms.TextBox();
             this.labelDateOfOpening = new System.Windows.Forms.Label();
             this.dateTimePicker = new System.Windows.Forms.DateTimePicker();
+            this.textBoxCapacity = new System.Windows.Forms.TextBox();
+            this.labelCapacity = new System.Windows.Forms.Label();
             this.groupBox.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
@@ -157,11 +159,31 @@
             this.dateTimePicker.Size = new System.Drawing.Size(200, 23);
             this.dateTimePicker.TabIndex = 6;
             // 
+            // textBoxCapacity
+            // 
+            this.textBoxCapacity.Location = new System.Drawing.Point(417, 57);
+            this.textBoxCapacity.Margin = new System.Windows.Forms.Padding(2);
+            this.textBoxCapacity.Name = "textBoxCapacity";
+            this.textBoxCapacity.Size = new System.Drawing.Size(200, 23);
+            this.textBoxCapacity.TabIndex = 10;
+            // 
+            // labelCapacity
+            // 
+            this.labelCapacity.AutoSize = true;
+            this.labelCapacity.Location = new System.Drawing.Point(324, 60);
+            this.labelCapacity.Margin = new System.Windows.Forms.Padding(2, 0, 2, 0);
+            this.labelCapacity.Name = "labelCapacity";
+            this.labelCapacity.Size = new System.Drawing.Size(80, 15);
+            this.labelCapacity.TabIndex = 9;
+            this.labelCapacity.Text = "Вместимость";
+            // 
             // FormShop
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(639, 335);
+            this.Controls.Add(this.textBoxCapacity);
+            this.Controls.Add(this.labelCapacity);
             this.Controls.Add(this.dateTimePicker);
             this.Controls.Add(this.labelDateOfOpening);
             this.Controls.Add(this.textBoxAddress);
@@ -194,5 +216,7 @@
         private TextBox textBoxAddress;
         private Label labelDateOfOpening;
         private DateTimePicker dateTimePicker;
+        private TextBox textBoxCapacity;
+        private Label labelCapacity;
     }
 }

FoodOrders/FoodOrders/FormShop.cs

@@ -35,6 +35,7 @@ namespace FoodOrdersView
                         textBoxName.Text = view.ShopName;
                         textBoxAddress.Text = view.Address;
                         dateTimePicker.Value = view.DateOfOpening;
+                        textBoxCapacity.Text = view.Capacity.ToString();
                         _shopDishes = view.ShopDishes ?? new Dictionary<int, (IDishModel, int)>();
                         LoadData();
                     }
@@ -55,9 +56,9 @@ namespace FoodOrdersView
                 if (_shopDishes != null)
                 {
                     dataGridView.Rows.Clear();
-                    foreach (var sc in _shopDishes)
+                    foreach (var sd in _shopDishes)
                     {
-                        dataGridView.Rows.Add(new object[] { sc.Key, sc.Value.Item1.DishName, sc.Value.Item2 });
+                        dataGridView.Rows.Add(new object[] { sd.Key, sd.Value.Item1.DishName, sd.Value.Item2 });
                     }
                 }
             }
@@ -81,6 +82,11 @@ namespace FoodOrdersView
                MessageBoxIcon.Error);
                 return;
             }
+            if (string.IsNullOrEmpty(textBoxCapacity.Text) || dataGridView.Rows.Cast<DataGridViewRow>().Sum(x => Convert.ToInt32(x.Cells[2].Value)) > Convert.ToInt32(textBoxCapacity.Text))
+            {
+               MessageBox.Show("Заполните вместимость корректно", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+               return;
+            }
             _logger.LogInformation("Сохранение магазина");
             try
             {
@@ -90,7 +96,8 @@ namespace FoodOrdersView
                     ShopName = textBoxName.Text,
                     Address = textBoxAddress.Text,
                     DateOfOpening = dateTimePicker.Value.Date,
-                    ShopDishes = _shopDishes
+                    ShopDishes = _shopDishes,
+                    Capacity = Convert.ToInt32(textBoxCapacity.Text)
                 };
                 var operationResult = _id.HasValue ? _logicS.Update(model) : _logicS.Create(model);
                 if (!operationResult)

FoodOrders/FoodOrders/FormShops.Designer.cs

@@ -33,6 +33,7 @@
             this.buttonDelete = new System.Windows.Forms.Button();
             this.buttonUpdate = new System.Windows.Forms.Button();
             this.dataGridView = new System.Windows.Forms.DataGridView();
+            this.buttonSellDishes = new System.Windows.Forms.Button();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
             // 
@@ -85,11 +86,23 @@
             this.dataGridView.Size = new System.Drawing.Size(404, 342);
             this.dataGridView.TabIndex = 4;
             // 
+            // buttonSellDishes
+            // 
+            this.buttonSellDishes.Location = new System.Drawing.Point(409, 264);
+            this.buttonSellDishes.Margin = new System.Windows.Forms.Padding(2);
+            this.buttonSellDishes.Name = "buttonSellDishes";
+            this.buttonSellDishes.Size = new System.Drawing.Size(133, 23);
+            this.buttonSellDishes.TabIndex = 6;
+            this.buttonSellDishes.Text = "Продажа блюд";
+            this.buttonSellDishes.UseVisualStyleBackColor = true;
+            this.buttonSellDishes.Click += new System.EventHandler(this.ButtonSellDishes_Click);
+            // 
             // FormShops
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(554, 342);
+            this.Controls.Add(this.buttonSellDishes);
             this.Controls.Add(this.dataGridView);
             this.Controls.Add(this.buttonUpdate);
             this.Controls.Add(this.buttonDelete);
@@ -110,5 +123,6 @@
         private Button buttonDelete;
         private Button buttonUpdate;
         private DataGridView dataGridView;
+        private Button buttonSellDishes;
     }
 }

FoodOrders/FoodOrders/FormShops.cs

@@ -95,5 +95,16 @@ namespace FoodOrdersView
                 }
             }
         }
+        private void ButtonSellDishes_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSellDishes));
+            if (service is FormSellDishes form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
     }
 }

FoodOrders/FoodOrders/Program.cs

@@ -3,7 +3,7 @@ using FoodOrdersContracts.StoragesContracts;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
-using FoodOrdersListImplement.Implements;
+using FoodOrdersDatabaseImplement.Implements;
 using FoodOrdersBusinessLogic.BusinessLogics;
 
 namespace FoodOrdersView
@@ -54,6 +54,7 @@ namespace FoodOrdersView
             services.AddTransient<FormShops>();
             services.AddTransient<FormShop>();
             services.AddTransient<FormDeliveryDishes>();
+            services.AddTransient<FormSellDishes>();
         }
     }
 }

FoodOrders/FoodOrdersBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -12,10 +12,14 @@ namespace FoodOrdersBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        private readonly IShopLogic _logicS;
+        private readonly IDishStorage _dishStorage;
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IShopLogic logicS, IDishStorage dishStorage)
         {
             _logger = logger;
             _orderStorage = orderStorage;
+            _logicS = logicS;
+            _dishStorage = dishStorage;
         }
 
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
@@ -110,6 +114,10 @@ namespace FoodOrdersBusinessLogic.BusinessLogics
             {
                 model.DateImplement = viewModel.DateImplement;
             }
+            if (model.Status == OrderStatus.Выдан && !_logicS.AddDishes(_dishStorage.GetElement(new DishSearchModel { Id = viewModel.DishId })!, viewModel.Count))
+            {
+                throw new Exception("В магазинах нет места под блюда из заказа.");
+            }
             CheckModel(model, false);
             if (_orderStorage.Update(model) == null)
             {

FoodOrders/FoodOrdersBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -60,6 +60,10 @@ namespace FoodOrdersBusinessLogic.BusinessLogics
                 _logger.LogWarning("Shop not found");
                 return false;
             }
+            if (element.Capacity - element.ShopDishes.Sum(x => x.Value.Item2) < count)
+            {
+                throw new InvalidOperationException("В магазине нет места под такое количество блюд");
+            }
             if (element.ShopDishes.ContainsKey(dish.Id))
             {
                 element.ShopDishes[dish.Id] = (dish, element.ShopDishes[dish.Id].Item2 + count);
@@ -74,7 +78,8 @@ namespace FoodOrdersBusinessLogic.BusinessLogics
                 ShopName = element.ShopName,
                 Address = element.Address,
                 DateOfOpening = element.DateOfOpening,
-                ShopDishes = element.ShopDishes
+                ShopDishes = element.ShopDishes,
+                Capacity = element.Capacity
             });
             return true;
         }
@@ -144,5 +149,36 @@ namespace FoodOrdersBusinessLogic.BusinessLogics
                 throw new InvalidOperationException("Магазин с таким названием уже есть");
             }
         }
+        public bool SellDishes(IDishModel dish, int count)
+        {
+            return _shopStorage.SellDishes(dish, count);
+        }
+        public bool AddDishes(IDishModel dish, int count)
+        {
+            if (dish == null || count < 1)
+            {
+                return false;
+            }
+            List<ShopViewModel> shopsList = _shopStorage.GetFullList();
+            if (shopsList.Sum(x => x.Capacity) - shopsList.Sum(x => x.ShopDishes.Sum(y => y.Value.Item2)) < count)
+            {
+                return false;
+            }
+            foreach (ShopViewModel shop in shopsList)
+            {
+                int emptySpace = shop.Capacity - shop.ShopDishes.Sum(x => x.Value.Item2);
+                if (emptySpace < count)
+                {
+                    DeliveryDishes(new ShopSearchModel { Id = shop.Id }, dish, emptySpace);
+                    count -= emptySpace;
+                }
+                else
+                {
+                    DeliveryDishes(new ShopSearchModel { Id = shop.Id }, dish, count);
+                    break;
+                }
+            }
+            return true;
+        }
     }
 }

FoodOrders/FoodOrdersContracts/BindingModels/ShopBindingModel.cs

@@ -9,5 +9,6 @@ namespace FoodOrdersContracts.BindingModels
         public string Address { get; set; } = string.Empty;
         public DateTime DateOfOpening { get; set; } = DateTime.Now;
         public Dictionary<int, (IDishModel, int)> ShopDishes { get; set; } = new();
+        public int Capacity { get; set; }
     }
 }

FoodOrders/FoodOrdersContracts/BuisnessLogicsContracts/IShopLogic.cs

@@ -13,5 +13,7 @@ namespace FoodOrdersContracts.BusinessLogicsContracts
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
         bool DeliveryDishes(ShopSearchModel model, IDishModel dish, int count);
+        bool SellDishes(IDishModel dish, int count);
+        bool AddDishes(IDishModel dish, int count);
     }
 }

FoodOrders/FoodOrdersContracts/StoragesContracts/IShopStorage.cs

@@ -1,6 +1,7 @@
 using FoodOrdersContracts.BindingModels;
 using FoodOrdersContracts.SearchModels;
 using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Models;
 
 namespace FoodOrdersContracts.StoragesContracts
 {
@@ -12,5 +13,6 @@ namespace FoodOrdersContracts.StoragesContracts
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
         ShopViewModel? Delete(ShopBindingModel model);
+        bool SellDishes(IDishModel dish, int count);
     }
 }

FoodOrders/FoodOrdersContracts/ViewModels/ShopViewModel.cs

@@ -12,6 +12,8 @@ namespace FoodOrdersContracts.ViewModels
         public string Address { get; set; } = string.Empty;
         [DisplayName("Дата открытия")]
         public DateTime DateOfOpening { get; set; } = DateTime.Now;
+        [DisplayName("Вместимость")]
+        public int Capacity { get; set; } = 0;
         public Dictionary<int, (IDishModel, int)> ShopDishes { get; set; } = new();
     }
 }

FoodOrders/FoodOrdersDataModels/Models/IShopModel.cs

@@ -6,5 +6,6 @@
         string Address { get; }
         DateTime DateOfOpening { get; }
         Dictionary<int, (IDishModel, int)> ShopDishes { get; }
+        int Capacity { get; }
     }
 }

FoodOrders/FoodOrdersDatabaseImplement/FoodOrdersDatabase.cs

@@ -0,0 +1,29 @@
+using FoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace FoodOrdersDatabaseImplement
+{
+    public class FoodOrdersDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=DESKTOP-SINQU55\SQLEXPRESS;Initial Catalog=FoodOrdersDatabase;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+
+        public virtual DbSet<Component> Components { set; get; }
+
+        public virtual DbSet<Dish> Dishes { set; get; }
+
+        public virtual DbSet<DishComponent> DishComponents { set; get; }
+
+        public virtual DbSet<Order> Orders { set; get; }
+
+        public virtual DbSet<Shop> Shops { set; get; }
+
+        public virtual DbSet<ShopDish> ShopDishes { set; get; }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/FoodOrdersDatabaseImplement.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="..\FoodOrdersContracts\FoodOrdersContracts.csproj" />
+    <ProjectReference Include="..\FoodOrdersDataModels\FoodOrdersDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

FoodOrders/FoodOrdersDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,84 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement.Models;
+
+namespace FoodOrdersDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Implements/DishStorage.cs

@@ -0,0 +1,107 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace FoodOrdersDatabaseImplement.Implements
+{
+    public class DishStorage : IDishStorage
+    {
+		public List<DishViewModel> GetFullList()
+		{
+			using var context = new FoodOrdersDatabase();
+			return context.Dishes
+					.Include(x => x.Components)
+					.ThenInclude(x => x.Component)
+					.ToList()
+					.Select(x => x.GetViewModel)
+					.ToList();
+		}
+
+		public List<DishViewModel> GetFilteredList(DishSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.DishName))
+			{
+				return new();
+			}
+			using var context = new FoodOrdersDatabase();
+			return context.Dishes
+					.Include(x => x.Components)
+					.ThenInclude(x => x.Component)
+					.Where(x => x.DishName.Contains(model.DishName))
+					.ToList()
+					.Select(x => x.GetViewModel)
+					.ToList();
+		}
+
+		public DishViewModel? GetElement(DishSearchModel model)
+		{
+			if (string.IsNullOrEmpty(model.DishName) && !model.Id.HasValue)
+			{
+				return null;
+			}
+			using var context = new FoodOrdersDatabase();
+			return context.Dishes
+				.Include(x => x.Components)
+				.ThenInclude(x => x.Component)
+				.FirstOrDefault(x => (!string.IsNullOrEmpty(model.DishName) && x.DishName == model.DishName) ||
+								(model.Id.HasValue && x.Id == model.Id))
+				?.GetViewModel;
+		}
+
+		public DishViewModel? Insert(DishBindingModel model)
+		{
+			using var context = new FoodOrdersDatabase();
+			var newDish = Dish.Create(context, model);
+			if (newDish == null)
+			{
+				return null;
+			}
+			context.Dishes.Add(newDish);
+			context.SaveChanges();
+			return newDish.GetViewModel;
+		}
+
+		public DishViewModel? Update(DishBindingModel model)
+		{
+			using var context = new FoodOrdersDatabase();
+			using var transaction = context.Database.BeginTransaction();
+			try
+			{
+				var dish = context.Dishes.FirstOrDefault(rec => rec.Id == model.Id);
+				if (dish == null)
+				{
+					return null;
+				}
+				dish.Update(model);
+				context.SaveChanges();
+				dish.UpdateComponents(context, model);
+				transaction.Commit();
+				return dish.GetViewModel;
+			}
+			catch
+			{
+				transaction.Rollback();
+				throw;
+			}
+		}
+
+		public DishViewModel? Delete(DishBindingModel model)
+		{
+			using var context = new FoodOrdersDatabase();
+			var element = context.Dishes
+				.Include(x => x.Components)
+                .Include(x => x.Orders)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+			if (element != null)
+			{
+				context.Dishes.Remove(element);
+				context.SaveChanges();
+				return element.GetViewModel;
+			}
+			return null;
+		}
+	}
+}

FoodOrders/FoodOrdersDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,92 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace FoodOrdersDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new FoodOrdersDatabase();
+            return context.Orders
+                    .Include(x => x.Dish)
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new FoodOrdersDatabase();
+            return context.Orders
+                    .Include(x => x.Dish)
+                    .Where(x => x.Id == model.Id)
+                    .Select(x => x.GetViewModel)
+                    .ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FoodOrdersDatabase();
+            return context.Orders
+                .Include(x => x.Dish)
+                .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+                ?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new FoodOrdersDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return context.Orders
+                .Include(x => x.Dish)
+                .FirstOrDefault(x => x.Id == newOrder.Id)
+                 ?.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return context.Orders
+                .Include(x => x.Dish)
+                .FirstOrDefault(x => x.Id == order.Id)
+                 ?.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,154 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement;
+using FoodOrdersDataModels.Models;
+using FoodOrdersDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+
+namespace FoodOrdersDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+
+
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new FoodOrdersDatabase();
+            return context.Shops
+                .Include(x => x.Dishes)
+                .ThenInclude(x => x.Dish)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return new();
+            }
+            using var context = new FoodOrdersDatabase();
+            return context.Shops
+                .Include(x => x.Dishes)
+                .ThenInclude(x => x.Dish)
+                .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 null;
+            }
+            using var context = new FoodOrdersDatabase();
+            return context.Shops
+                .Include(x => x.Dishes)
+                .ThenInclude(x => x.Dish)
+                .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 FoodOrdersDatabase();
+            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 FoodOrdersDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            
+            try 
+            {
+                var updateShop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+                if (updateShop == null)
+                {
+                    return null;
+                }
+                updateShop.Update(model);
+                context.SaveChanges();
+                updateShop.UpdateDish(context, model);
+                transaction.Commit();
+                return updateShop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+           
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new FoodOrdersDatabase();
+            var element = context.Shops
+                .Include(x => x.Dishes)
+                .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Shops.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool SellDishes(IDishModel dish, int count)
+        {
+            using var context = new FoodOrdersDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                List<ShopDish> ListShopDish = context.ShopDishes
+                    .Include(x => x.Shop)
+                    .Where(y => y.DishId == dish.Id)
+                    .ToList();
+
+                if (ListShopDish == null) return false;
+
+                foreach (var shopDish in ListShopDish)
+                {
+                    if (count - shopDish.Count > 0)
+                    {
+                        count -= shopDish.Count;
+                        shopDish.Count = 0;
+                    }
+                    else
+                    {
+                        shopDish.Count -= count;
+                        count = 0;
+                        context.SaveChanges();
+                        transaction.Commit();
+                        return true;
+                    }
+                }
+                transaction.Rollback();
+                return false;
+            }
+            catch 
+            {
+                transaction.Rollback();
+                throw;
+            }         
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230227162159_InitMigration.Designer.cs

@@ -0,0 +1,156 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    [Migration("20230227162159_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("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230227162159_InitMigration.cs

@@ -0,0 +1,114 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.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: "Dishes",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Dishes", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishId = 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);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "DishComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishId = 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_DishComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_DishComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_DishComponents_Dishes_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DishComponents_ComponentId",
+                table: "DishComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DishComponents_DishId",
+                table: "DishComponents",
+                column: "DishId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "DishComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Dishes");
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230227174928_SecondMigration.Designer.cs

@@ -0,0 +1,170 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    [Migration("20230227174928_SecondMigration")]
+    partial class SecondMigration
+    {
+        /// <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("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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")
+                        .IsRequired()
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany()
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230227174928_SecondMigration.cs

@@ -0,0 +1,58 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class SecondMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateImplement",
+                table: "Orders",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldNullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_DishId",
+                table: "Orders",
+                column: "DishId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Orders_Dishes_DishId",
+                table: "Orders",
+                column: "DishId",
+                principalTable: "Dishes",
+                principalColumn: "Id",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Orders_Dishes_DishId",
+                table: "Orders");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Orders_DishId",
+                table: "Orders");
+
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateImplement",
+                table: "Orders",
+                type: "datetime2",
+                nullable: true,
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2");
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230228062451_ThirdMigration.Designer.cs

@@ -0,0 +1,169 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    [Migration("20230228062451_ThirdMigration")]
+    partial class ThirdMigration
+    {
+        /// <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("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany()
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230228062451_ThirdMigration.cs

@@ -0,0 +1,37 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class ThirdMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateImplement",
+                table: "Orders",
+                type: "datetime2",
+                nullable: true,
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterColumn<DateTime>(
+                name: "DateImplement",
+                table: "Orders",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified),
+                oldClrType: typeof(DateTime),
+                oldType: "datetime2",
+                oldNullable: true);
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230323201720_HardLabWork03.Designer.cs

@@ -0,0 +1,246 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    [Migration("20230323201720_HardLabWork03")]
+    partial class HardLabWork03
+    {
+        /// <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("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateOfOpening")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.ShopDish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopDishes");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany()
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.ShopDish", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany()
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Dishes")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Dishes");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230323201720_HardLabWork03.cs

@@ -0,0 +1,78 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class HardLabWork03 : Migration
+    {
+        /// <inheritdoc />
+        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),
+                    Address = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    DateOfOpening = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    Capacity = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Shops", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ShopDishes",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    ShopId = table.Column<int>(type: "int", nullable: false),
+                    DishId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ShopDishes", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ShopDishes_Dishes_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_ShopDishes_Shops_ShopId",
+                        column: x => x.ShopId,
+                        principalTable: "Shops",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopDishes_DishId",
+                table: "ShopDishes",
+                column: "DishId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ShopDishes_ShopId",
+                table: "ShopDishes",
+                column: "ShopId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "ShopDishes");
+
+            migrationBuilder.DropTable(
+                name: "Shops");
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230330090832_new.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    [Migration("20230330090832_new")]
+    partial class @new
+    {
+        /// <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("FoodOrdersDatabaseImplement.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("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Orders")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/20230330090832_new.cs

@@ -0,0 +1,125 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class @new : 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: "Dishes",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Dishes", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "DishComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishId = 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_DishComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_DishComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_DishComponents_Dishes_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DishId = 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_Dishes_DishId",
+                        column: x => x.DishId,
+                        principalTable: "Dishes",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DishComponents_ComponentId",
+                table: "DishComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DishComponents_DishId",
+                table: "DishComponents",
+                column: "DishId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_DishId",
+                table: "Orders",
+                column: "DishId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "DishComponents");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Dishes");
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Migrations/FoodOrdersDatabaseModelSnapshot.cs

@@ -0,0 +1,245 @@
+// <auto-generated />
+using System;
+using FoodOrdersDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FoodOrdersDatabaseImplement.Migrations
+{
+    [DbContext(typeof(FoodOrdersDatabase))]
+    partial class FoodOrdersDatabaseModelSnapshot : 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("FoodOrdersDatabaseImplement.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", (string)null);
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DishName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Dishes", (string)null);
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", 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>("DishId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("DishComponents", (string)null);
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.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>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.ToTable("Orders", (string)null);
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("Capacity")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateOfOpening")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("ShopName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Shops");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.ShopDish", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("DishId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("ShopId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DishId");
+
+                    b.HasIndex("ShopId");
+
+                    b.ToTable("ShopDishes");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.DishComponent", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Component", "Component")
+                        .WithMany("DishComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Components")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany("Orders")
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.ShopDish", b =>
+                {
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Dish", "Dish")
+                        .WithMany()
+                        .HasForeignKey("DishId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("FoodOrdersDatabaseImplement.Models.Shop", "Shop")
+                        .WithMany("Dishes")
+                        .HasForeignKey("ShopId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Dish");
+
+                    b.Navigation("Shop");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("DishComponents");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Dish", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+
+            modelBuilder.Entity("FoodOrdersDatabaseImplement.Models.Shop", b =>
+                {
+                    b.Navigation("Dishes");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Models/Component.cs

@@ -0,0 +1,63 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace FoodOrdersDatabaseImplement.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<DishComponent> DishComponents { 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
+        };
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Models/Dish.cs

@@ -0,0 +1,100 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace FoodOrdersDatabaseImplement.Models
+{
+    public class Dish : IDishModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string DishName { get; set; } = string.Empty;
+
+        [Required]
+        public double Price { get; set; }
+
+        private Dictionary<int, (IComponentModel, int)>? _dishComponents = null;
+
+        //??
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> DishComponents
+        {
+            get
+            {
+                if (_dishComponents == null)
+                {
+                    _dishComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _dishComponents;
+            }
+        }
+
+        [ForeignKey("DishId")]
+        public virtual List<DishComponent> Components { get; set; } = new();
+
+        [ForeignKey("DishId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static Dish Create(FoodOrdersDatabase context, DishBindingModel model)
+        {
+            return new Dish()
+            {
+                Id = model.Id,
+                DishName = model.DishName,
+                Price = model.Price,
+                Components = model.DishComponents.Select(x => new DishComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(DishBindingModel model)
+        {
+            DishName = model.DishName;
+            Price = model.Price;
+        }
+
+        public DishViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DishName = DishName,
+            Price = Price,
+            DishComponents = DishComponents
+        };
+
+        public void UpdateComponents(FoodOrdersDatabase context, DishBindingModel model)
+        {
+            var dishComponents = context.DishComponents.Where(rec => rec.DishId == model.Id).ToList();
+            if (dishComponents != null && dishComponents.Count > 0)
+            {   // удалили те в бд, которых нет в модели
+                context.DishComponents.RemoveRange(dishComponents.Where(rec => !model.DishComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in dishComponents)
+                {
+                    updateComponent.Count = model.DishComponents[updateComponent.ComponentId].Item2;
+                    model.DishComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var dish = context.Dishes.First(x => x.Id == Id);
+            //добавляем в бд блюда которые есть в моделе, но ещё нет в бд
+            foreach (var dc in model.DishComponents)
+            {
+                context.DishComponents.Add(new DishComponent
+                {
+                    Dish = dish,
+                    Component = context.Components.First(x => x.Id == dc.Key),
+                    Count = dc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _dishComponents = null;
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Models/DishComponent.cs

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

FoodOrders/FoodOrdersDatabaseImplement/Models/Order.cs

@@ -0,0 +1,72 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Enums;
+using FoodOrdersDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+
+namespace FoodOrdersDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int DishId { get; set; }
+
+        [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 virtual Dish Dish { get; set; }
+
+        public DateTime? DateImplement { get; set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                DishId = model.DishId,
+                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,
+            DishId = DishId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            DishName = Dish.DishName
+        };
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Models/Shop.cs

@@ -0,0 +1,124 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDatabaseImplement.Models;
+using FoodOrdersDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FoodOrdersDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public string ShopName { get; private set; } = string.Empty;
+
+        [Required]
+        public string Address { get; private set; } = string.Empty;
+
+        [Required]
+        public DateTime DateOfOpening { get; private set; } = DateTime.Now;
+
+        [Required]
+        public int Capacity { get; private set; } = 0;
+
+        [NotMapped]
+
+        public Dictionary<int, (IDishModel, int)>? _shopDishes = null;
+
+        [NotMapped]
+        public Dictionary<int, (IDishModel, int)> ShopDishes
+        {
+            get
+            {
+                if (_shopDishes == null)
+                {
+                    _shopDishes = Dishes.ToDictionary(recSD => recSD.DishId, recSD => (recSD.Dish as IDishModel, recSD.Count));
+                }
+                return _shopDishes;
+            }
+        }
+
+        [ForeignKey("ShopId")]
+        public virtual List<ShopDish> Dishes { get; set; } = new();
+
+        public static Shop? Create(FoodOrdersDatabase context, ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOfOpening = model.DateOfOpening,
+                Dishes = model.ShopDishes.Select(x => new ShopDish
+                {
+                    Dish = context.Dishes.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList(),
+                Capacity = model.Capacity
+            };
+        }
+       
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOfOpening = model.DateOfOpening;
+            Capacity = model.Capacity;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOfOpening = DateOfOpening,
+            ShopDishes = ShopDishes,
+            Capacity = Capacity
+        };
+        public void UpdateDish(FoodOrdersDatabase context, ShopBindingModel model)
+        {
+            var shopDishes = context.ShopDishes.Where(rec => rec.ShopId == model.Id).ToList();
+            if (shopDishes != null && shopDishes.Count > 0)
+            {   // удалили те в бд, которых нет в модели
+                context.ShopDishes.RemoveRange(shopDishes.Where(rec => !model.ShopDishes.ContainsKey(rec.DishId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateDish in shopDishes)
+                {
+                    updateDish.Count = model.ShopDishes[updateDish.DishId].Item2;
+                    model.ShopDishes.Remove(updateDish.DishId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            //добавляем в бд блюда которые есть в моделе, но ещё нет в бд
+            foreach (var sd in model.ShopDishes)
+            {
+                context.ShopDishes.Add(new ShopDish
+                {
+                    Shop = shop,
+                    Dish = context.Dishes.First(x => x.Id == sd.Key),
+                    Count = sd.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _shopDishes = null;
+        }
+    }
+}

FoodOrders/FoodOrdersDatabaseImplement/Models/ShopDish.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FoodOrdersDatabaseImplement.Models
+{
+    public class ShopDish
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int ShopId { get; set; }
+
+        [Required]
+        public int DishId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Shop Shop { get; set; } = new();
+
+        public virtual Dish Dish { get; set; } = new();
+    }
+}

FoodOrders/FoodOrdersFileImplement/DataFileSingleton.cs

@@ -0,0 +1,52 @@
+using FoodOrdersFileImplement.Models;
+using System.Xml.Linq;
+namespace FoodOrdersFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string DishFileName = "Dish.xml";
+        private readonly string ShopFileName = "Shop.xml";
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Dish> Dishes { 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 SaveDishes() => SaveData(Dishes, DishFileName, "Dishes", 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)!)!;
+            Dishes = LoadData(DishFileName, "Dish", x => Dish.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);
+            }
+        }
+    }
+}
+

FoodOrders/FoodOrdersFileImplement/FoodOrdersFileImplement.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="..\FoodOrdersContracts\FoodOrdersContracts.csproj" />
+    <ProjectReference Include="..\FoodOrdersDataModels\FoodOrdersDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

FoodOrders/FoodOrdersFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,74 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersFileImplement.Models;
+using FoodOrdersFileImplement;
+
+namespace FoodOrdersFileImplement.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();
+        }
+
+        //FirstOrDefault выбирается первый или ничего, то есть вернёт первое совпадение или null
+        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;
+        }
+    }
+}

FoodOrders/FoodOrdersFileImplement/Implements/DishStorage.cs

@@ -0,0 +1,74 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersFileImplement.Models;
+using System.Reflection.Metadata;
+
+namespace FoodOrdersFileImplement.Implements
+{
+    public class DishStorage : IDishStorage
+    {
+        private readonly DataFileSingleton _source;
+        public DishStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+        public List<DishViewModel> GetFullList()
+        {
+            return _source.Dishes.Select(x => x.GetViewModel).ToList();
+        }
+        public List<DishViewModel> GetFilteredList(DishSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DishName))
+            {
+                return new();
+            }
+            return _source.Dishes.Where(x => x.DishName.Contains(model.DishName)).Select(x => x.GetViewModel).ToList();
+        }
+        public DishViewModel? GetElement(DishSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DishName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Dishes.FirstOrDefault(x => (!string.IsNullOrEmpty(model.DishName) && x.DishName == model.DishName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public DishViewModel? Insert(DishBindingModel model)
+        {
+            model.Id = _source.Dishes.Count > 0 ? _source.Dishes.Max(x => x.Id) + 1 : 1;
+            var newDoc = Dish.Create(model);
+            if (newDoc == null)
+            {
+                return null;
+            }
+            _source.Dishes.Add(newDoc);
+            _source.SaveDishes();
+            return newDoc.GetViewModel;
+        }
+
+        public DishViewModel? Update(DishBindingModel model)
+        {
+            var dish = _source.Dishes.FirstOrDefault(x => x.Id == model.Id);
+            if (dish == null)
+            {
+                return null;
+            }
+            dish.Update(model);
+            _source.SaveDishes();
+            return dish.GetViewModel;
+        }
+
+        public DishViewModel? Delete(DishBindingModel model)
+        {
+            var document = _source.Dishes.FirstOrDefault(x => x.Id == model.Id);
+            if (document == null)
+            {
+                return null;
+            }
+            document.Update(model);
+            _source.SaveDishes();
+            return document.GetViewModel;
+        }
+    }
+}

FoodOrders/FoodOrdersFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,84 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersFileImplement.Models;
+using System.Reflection;
+using System.Security.Cryptography.X509Certificates;
+
+namespace FoodOrdersFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton _source;
+        public OrderStorage()
+        {
+            _source = DataFileSingleton.GetInstance();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            return _source.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Orders.Where(x => x.Id == model.Id).Select(x => GetViewModel(x)).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return _source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            viewModel.DishName = _source.Dishes.FirstOrDefault(x => (x.Id == order.DishId))?.DishName;
+            return viewModel;
+        }
+
+        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;
+        }
+
+        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;
+        }
+    }
+}

FoodOrders/FoodOrdersFileImplement/Implements/ShopStorage.cs

@@ -0,0 +1,123 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.SearchModels;
+using FoodOrdersContracts.StoragesContracts;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Models;
+using FoodOrdersFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FoodOrdersFileImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton source;
+        public ShopStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var element = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Shops.Remove(element);
+                source.SaveShops();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public 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 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 List<ShopViewModel> GetFullList()
+        {
+            return source.Shops.Select(x => x.GetViewModel).ToList();
+        }
+
+        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 bool SellDishes(IDishModel dish, int count)
+        {
+            if (dish == null || count < 1) return false;
+            List<Shop> shopsWithDish = source.Shops.Where(x => x.ShopDishes.ContainsKey(dish.Id)).ToList();
+            if (shopsWithDish.Sum(x => x.ShopDishes[dish.Id].Item2) < count)
+            {
+                return false;
+            }
+            foreach(var shop in shopsWithDish)
+            {
+                int dishInShopCount = shop.ShopDishes[dish.Id].Item2;
+                if(count - dishInShopCount >= 0)
+                {
+                    count -= dishInShopCount;
+                    shop.ShopDishes.Remove(dish.Id);
+                }
+                else
+                {
+                    shop.ShopDishes[dish.Id] = (dish, shop.ShopDishes[dish.Id].Item2 - count);
+                    count = 0;
+                }
+                Update(new ShopBindingModel
+                {
+                    Id = shop.Id,
+                    ShopName = shop.ShopName,
+                    Address = shop.Address,
+                    DateOfOpening = shop.DateOfOpening,
+                    ShopDishes = shop.ShopDishes,
+                    Capacity = shop.Capacity
+                });
+                if (count == 0) break;
+            }
+            return true;
+        }
+    }
+}

FoodOrders/FoodOrdersFileImplement/Models/Component.cs

@@ -0,0 +1,60 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Models;
+using System.Xml.Linq;
+namespace FoodOrdersFileImplement.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())
+        );
+    }
+}

FoodOrders/FoodOrdersFileImplement/Models/Dish.cs

@@ -0,0 +1,94 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Models;
+using FoodOrdersFileImplement;
+using System.Xml.Linq;
+namespace FoodOrdersFileImplement.Models
+{
+    public class Dish : IDishModel
+    {
+        public int Id { get; private set; }
+
+        public string DishName { get; private set; } = string.Empty;
+
+        public double Price { get; private set; }
+
+        //словарь для файла, так как нам в файле нужно хранить просто id компонента и его количество
+        public Dictionary<int, int> Components { get; private set; } = new();
+
+        private Dictionary<int, (IComponentModel, int)>? _dishComponents = null;
+
+        public Dictionary<int, (IComponentModel, int)> DishComponents
+        {
+            get
+            {
+                if (_dishComponents == null)
+                {
+                    var _source = DataFileSingleton.GetInstance();
+                    _dishComponents = Components.ToDictionary(x => x.Key, y => ((_source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
+                }
+                return _dishComponents;
+            }
+        }
+        public static Dish? Create(DishBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Dish()
+            {
+                Id = model.Id,
+                DishName = model.DishName,
+                Price = model.Price,
+                Components = model.DishComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+        public static Dish? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Dish()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                DishName = element.Element("DishName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("DishComponents")!.Elements("DishComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(DishBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            DishName = model.DishName;
+            Price = model.Price;
+            Components = model.DishComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            //обнуляем словарь, чтобы в случае обновления, у нас был в дальнейшем сформирован актуальный словарь
+            // с помощью get метода
+            _dishComponents = null;
+        }
+        public DishViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DishName = DishName,
+            Price = Price,
+            DishComponents = DishComponents
+        };
+
+        public XElement GetXElement => new(
+            "Dish",
+            new XAttribute("Id", Id),
+            new XElement("DishName", DishName),
+            new XElement("Price", Price.ToString()),
+            new XElement("DishComponents", Components.Select(x =>
+                new XElement("DishComponent",
+                new XElement("Key", x.Key),
+                new XElement("Value", x.Value))).ToArray()
+            )
+        );
+    }
+}

FoodOrders/FoodOrdersFileImplement/Models/Order.cs

@@ -0,0 +1,86 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Enums;
+using FoodOrdersDataModels.Models;
+using System.Reflection.Metadata;
+using System.Xml.Linq;
+
+namespace FoodOrdersFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int DishId { get; private set; }
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; }
+        public DateTime DateCreate { get; private set; }
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                DishId = Convert.ToInt32(element.Element("DishId")!.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 static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order
+            {
+                Id = model.Id,
+                DishId = model.DishId,
+                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,
+            DishId = DishId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+        public XElement GetXElement => new(
+          "Order",
+           new XAttribute("Id", Id),
+           new XElement("DishId", DishId.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())
+      );
+    }
+}

FoodOrders/FoodOrdersFileImplement/Models/Shop.cs

@@ -0,0 +1,97 @@
+using FoodOrdersContracts.BindingModels;
+using FoodOrdersContracts.ViewModels;
+using FoodOrdersDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FoodOrdersFileImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public string ShopName { get; private set; } = string.Empty;
+        public string Address { get; private set; } = string.Empty;
+        public DateTime DateOfOpening { get; private set; } = DateTime.Now;
+        public int Capacity { get; private set; } = 0;
+        public int Id { get; private set; }
+        public Dictionary<int, int> Dishes { get; private set; } = new();
+        public Dictionary<int, (IDishModel, int)>? _shopDishes = null;
+        public Dictionary<int, (IDishModel, int)> ShopDishes
+        {
+            get
+            {
+                if (_shopDishes == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopDishes = Dishes.ToDictionary(x => x.Key, y =>
+                    ((source.Dishes.FirstOrDefault(z => z.Id == y.Key) as IDishModel)!, y.Value));
+                }
+                return _shopDishes;
+            }
+        }
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                DateOfOpening = model.DateOfOpening,
+                Dishes = model.ShopDishes.ToDictionary(x => x.Key, x => x.Value.Item2),
+                Capacity = model.Capacity
+            };
+        }
+        public static Shop? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ShopName = element.Element("ShopName")!.Value,
+                Address = element.Element("Address")!.Value,
+                DateOfOpening = Convert.ToDateTime(element.Element("DateOfOpening")!.Value),
+                Dishes = element.Element("ShopDishes")!.Elements("ShopDish").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value)),
+                Capacity = Convert.ToInt32(element.Element("Capacity")!.Value)
+            };
+        }
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            Address = model.Address;
+            DateOfOpening = model.DateOfOpening;
+            Dishes = model.ShopDishes.ToDictionary(x => x.Key, x => x.Value.Item2);
+            Capacity = model.Capacity;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            DateOfOpening = DateOfOpening,
+            ShopDishes = ShopDishes,
+            Capacity = Capacity
+        };
+        public XElement GetXElement => new("Shop",
+        new XAttribute("Id", Id),
+        new XElement("ShopName", ShopName),
+        new XElement("Address", Address),
+        new XElement("DateOfOpening", DateOfOpening.ToString()),
+        new XElement("ShopDishes", Dishes.Select(x => new XElement("ShopDish", new XElement("Key", x.Key), new XElement("Value", x.Value))).ToArray()),
+        new XElement("Capacity",Capacity.ToString()));
+    }
+}

FoodOrders/FoodOrdersListImplement/Implements/ShopStorage.cs

@@ -3,6 +3,7 @@ using FoodOrdersContracts.SearchModels;
 using FoodOrdersContracts.StoragesContracts;
 using FoodOrdersContracts.ViewModels;
 using FoodOrdersListImplement.Models;
+using FoodOrdersDataModels.Models;
 
 namespace FoodOrdersListImplement.Implements
 {
@@ -96,5 +97,9 @@ namespace FoodOrdersListImplement.Implements
             }
             return null;
         }
+        public bool SellDishes(IDishModel dish, int count)
+        {
+            throw new NotImplementedException();
+        }
     }
 }

FoodOrders/FoodOrdersListImplement/Models/Shop.cs

@@ -13,6 +13,7 @@ namespace FoodOrdersListImplement.Models
         public string Address { get; private set; } = string.Empty;
         public DateTime DateOfOpening { get; private set; } = DateTime.Now;
         public Dictionary<int, (IDishModel, int)> ShopDishes { get; private set; } = new Dictionary<int, (IDishModel, int)>();
+        public int Capacity { get; private set; } = 0;
         public static Shop? Create(ShopBindingModel? model)
         {
             if (model == null)
@@ -25,7 +26,8 @@ namespace FoodOrdersListImplement.Models
                 ShopName = model.ShopName,
                 Address = model.Address,
                 DateOfOpening = model.DateOfOpening,
-                ShopDishes = model.ShopDishes
+                ShopDishes = model.ShopDishes,
+                Capacity = model.Capacity
             };
         }
         public void Update(ShopBindingModel? model)
@@ -38,6 +40,7 @@ namespace FoodOrdersListImplement.Models
             Address = model.Address;
             DateOfOpening = model.DateOfOpening;
             ShopDishes = model.ShopDishes;
+            Capacity = model.Capacity;
         }
         public ShopViewModel GetViewModel => new()
         {
@@ -45,7 +48,8 @@ namespace FoodOrdersListImplement.Models
             ShopName = ShopName,
             Address = Address,
             DateOfOpening = DateOfOpening,
-            ShopDishes = ShopDishes
+            ShopDishes = ShopDishes,
+            Capacity = Capacity
         };
     }
 }