Вторая усложнённая лабораторная работа. Фикс пополнения + фикс вывода ошибки в форме списания

.gitignore

@@ -398,3 +398,4 @@ FodyWeavers.xsd
 # JetBrains Rider
 *.sln.iml
 
+/Confectionery/ImplementationExtensions

Confectionery/Confectionery.sln

@@ -7,11 +7,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Confectionery", "Confection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConfectioneryDataModels", "ConfectioneryDataModels\ConfectioneryDataModels.csproj", "{22A053DC-3DC2-4375-9563-BF647A1092A4}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConfectioneryContracts", "ConfectioneryContracts\ConfectioneryContracts.csproj", "{6C4950D1-D788-4D5A-8C15-0A376274F2DD}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConfectioneryContracts", "ConfectioneryContracts\ConfectioneryContracts.csproj", "{6C4950D1-D788-4D5A-8C15-0A376274F2DD}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConfectioneryBusinessLogic", "ConfectioneryBusinessLogic\ConfectioneryBusinessLogic.csproj", "{30F4AE5A-2C90-4C7F-BBE9-2FA56BE26C63}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConfectioneryBusinessLogic", "ConfectioneryBusinessLogic\ConfectioneryBusinessLogic.csproj", "{30F4AE5A-2C90-4C7F-BBE9-2FA56BE26C63}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConfectioneryListImplement", "ConfectioneryListImplement\ConfectioneryListImplement.csproj", "{85992074-656D-4F79-AB23-60DE4F9ABF30}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConfectioneryListImplement", "ConfectioneryListImplement\ConfectioneryListImplement.csproj", "{85992074-656D-4F79-AB23-60DE4F9ABF30}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConfectioneryFileImplement", "ConfectioneryFileImplements\ConfectioneryFileImplement.csproj", "{48A8592F-EF58-4FC4-9C9E-B401836FF21E}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -39,6 +41,10 @@ Global
 		{85992074-656D-4F79-AB23-60DE4F9ABF30}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{85992074-656D-4F79-AB23-60DE4F9ABF30}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{85992074-656D-4F79-AB23-60DE4F9ABF30}.Release|Any CPU.Build.0 = Release|Any CPU
+		{48A8592F-EF58-4FC4-9C9E-B401836FF21E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{48A8592F-EF58-4FC4-9C9E-B401836FF21E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{48A8592F-EF58-4FC4-9C9E-B401836FF21E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{48A8592F-EF58-4FC4-9C9E-B401836FF21E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Confectionery/Confectionery/Confectionery.csproj

@@ -31,6 +31,7 @@
     <ProjectReference Include="..\ConfectioneryBusinessLogic\ConfectioneryBusinessLogic.csproj" />
     <ProjectReference Include="..\ConfectioneryContracts\ConfectioneryContracts.csproj" />
     <ProjectReference Include="..\ConfectioneryDataModels\ConfectioneryDataModels.csproj" />
+    <ProjectReference Include="..\ConfectioneryFileImplements\ConfectioneryFileImplement.csproj" />
     <ProjectReference Include="..\ConfectioneryListImplement\ConfectioneryListImplement.csproj" />
   </ItemGroup>
 

Confectionery/Confectionery/FormMain.Designer.cs

@@ -33,13 +33,14 @@
             this.ингредиентыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.изделияToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.магазиныToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.пополнениеМагазинаToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.dataGridView = new System.Windows.Forms.DataGridView();
             this.buttonCreateOrder = new System.Windows.Forms.Button();
             this.buttonTakeOrderInWork = new System.Windows.Forms.Button();
             this.buttonOrderReady = new System.Windows.Forms.Button();
             this.buttonIssuedOrder = new System.Windows.Forms.Button();
             this.buttonRef = new System.Windows.Forms.Button();
-            this.пополнениеМагазинаToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.списаниеToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.menuStrip1.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
@@ -49,7 +50,8 @@
             this.menuStrip1.ImageScalingSize = new System.Drawing.Size(20, 20);
             this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.справочникиToolStripMenuItem,
-            this.пополнениеМагазинаToolStripMenuItem});
+            this.пополнениеМагазинаToolStripMenuItem,
+            this.списаниеToolStripMenuItem});
             this.menuStrip1.Location = new System.Drawing.Point(0, 0);
             this.menuStrip1.Name = "menuStrip1";
             this.menuStrip1.Size = new System.Drawing.Size(1238, 28);
@@ -87,6 +89,13 @@
             this.магазиныToolStripMenuItem.Text = "Магазины";
             this.магазиныToolStripMenuItem.Click += new System.EventHandler(this.магазиныToolStripMenuItem_Click);
             // 
+            // пополнениеМагазинаToolStripMenuItem
+            // 
+            this.пополнениеМагазинаToolStripMenuItem.Name = "пополнениеМагазинаToolStripMenuItem";
+            this.пополнениеМагазинаToolStripMenuItem.Size = new System.Drawing.Size(182, 24);
+            this.пополнениеМагазинаToolStripMenuItem.Text = "Пополнение магазина";
+            this.пополнениеМагазинаToolStripMenuItem.Click += new System.EventHandler(this.пополнениеМагазинаToolStripMenuItem_Click);
+            // 
             // dataGridView
             // 
             this.dataGridView.BackgroundColor = System.Drawing.Color.White;
@@ -150,12 +159,12 @@
             this.buttonRef.UseVisualStyleBackColor = true;
             this.buttonRef.Click += new System.EventHandler(this.buttonRef_Click);
             // 
-            // пополнениеМагазинаToolStripMenuItem
+            // списаниеToolStripMenuItem
             // 
-            this.пополнениеМагазинаToolStripMenuItem.Name = "пополнениеМагазинаToolStripMenuItem";
+            this.списаниеToolStripMenuItem.Name = "списаниеToolStripMenuItem";
-            this.пополнениеМагазинаToolStripMenuItem.Size = new System.Drawing.Size(182, 24);
+            this.списаниеToolStripMenuItem.Size = new System.Drawing.Size(91, 24);
-            this.пополнениеМагазинаToolStripMenuItem.Text = "Пополнение магазина";
+            this.списаниеToolStripMenuItem.Text = "Списание";
-            this.пополнениеМагазинаToolStripMenuItem.Click += new System.EventHandler(this.пополнениеМагазинаToolStripMenuItem_Click);
+            this.списаниеToolStripMenuItem.Click += new System.EventHandler(this.списаниеToolStripMenuItem_Click);
             // 
             // FormMain
             // 
@@ -195,5 +204,6 @@
         private Button buttonRef;
         private ToolStripMenuItem магазиныToolStripMenuItem;
         private ToolStripMenuItem пополнениеМагазинаToolStripMenuItem;
+        private ToolStripMenuItem списаниеToolStripMenuItem;
     }
 }

Confectionery/Confectionery/FormMain.cs

@@ -170,5 +170,14 @@ namespace Confectionery
                 form.ShowDialog();
             }
         }
+
+        private void списаниеToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSell));
+            if (service is FormSell form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

Confectionery/Confectionery/FormSell.Designer.cs

@@ -0,0 +1,120 @@
+namespace Confectionery
+{
+    partial class FormSell
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.comboBoxPastry = new System.Windows.Forms.ComboBox();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.buttonCreate = new System.Windows.Forms.Button();
+            this.textBoxSum = new System.Windows.Forms.TextBox();
+            this.label3 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // comboBoxPastry
+            // 
+            this.comboBoxPastry.FormattingEnabled = true;
+            this.comboBoxPastry.Location = new System.Drawing.Point(129, 6);
+            this.comboBoxPastry.Name = "comboBoxPastry";
+            this.comboBoxPastry.Size = new System.Drawing.Size(219, 28);
+            this.comboBoxPastry.TabIndex = 22;
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(254, 92);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 21;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // buttonCreate
+            // 
+            this.buttonCreate.Location = new System.Drawing.Point(142, 92);
+            this.buttonCreate.Name = "buttonCreate";
+            this.buttonCreate.Size = new System.Drawing.Size(94, 29);
+            this.buttonCreate.TabIndex = 20;
+            this.buttonCreate.Text = "Создать";
+            this.buttonCreate.UseVisualStyleBackColor = true;
+            this.buttonCreate.Click += new System.EventHandler(this.buttonCreate_Click);
+            // 
+            // textBoxSum
+            // 
+            this.textBoxSum.Location = new System.Drawing.Point(129, 46);
+            this.textBoxSum.Name = "textBoxSum";
+            this.textBoxSum.Size = new System.Drawing.Size(219, 27);
+            this.textBoxSum.TabIndex = 19;
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(12, 49);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(93, 20);
+            this.label3.TabIndex = 18;
+            this.label3.Text = "Количество:";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(12, 9);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(71, 20);
+            this.label2.TabIndex = 17;
+            this.label2.Text = "Изделие:";
+            // 
+            // FormSell
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(360, 129);
+            this.Controls.Add(this.comboBoxPastry);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonCreate);
+            this.Controls.Add(this.textBoxSum);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.label2);
+            this.Name = "FormSell";
+            this.Text = "Продажа";
+            this.Load += new System.EventHandler(this.FormSell_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private ComboBox comboBoxPastry;
+        private Button buttonCancel;
+        private Button buttonCreate;
+        private TextBox textBoxSum;
+        private Label label3;
+        private Label label2;
+    }
+}

Confectionery/Confectionery/FormSell.cs

@@ -0,0 +1,82 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.BusinessLogicsContracts;
+using ConfectioneryContracts.ViewModels;
+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 Confectionery
+{
+    public partial class FormSell : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IPastryLogic _logicP;
+        private readonly IShopLogic _logicS;
+        private List<PastryViewModel>? _listPastry;
+        public FormSell(ILogger<FormSell> logger, IPastryLogic logicP, IShopLogic logicS)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicP = logicP;
+            _logicS = logicS;
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private void buttonCreate_Click(object sender, EventArgs e)
+        {
+            if (comboBoxPastry.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (String.IsNullOrEmpty(textBoxSum.Text))
+            {
+                MessageBox.Show("Заполните поле количество!", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            try
+            {
+                int count = Convert.ToInt32(textBoxSum.Text);
+                bool operationResult = _logicS.Sell(Convert.ToInt32(comboBoxPastry.SelectedValue), count);
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при создании списания. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка создания поставки!");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void FormSell_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка изделий для поставки");
+            _listPastry = _logicP.ReadList(null);
+            if (_listPastry != null)
+            {
+                comboBoxPastry.DisplayMember = "PastryName";
+                comboBoxPastry.ValueMember = "Id";
+                comboBoxPastry.DataSource = _listPastry;
+                comboBoxPastry.SelectedItem = null;
+            }
+        }
+    }
+}

Confectionery/Confectionery/FormSell.resx

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

Confectionery/Confectionery/FormShop.Designer.cs

@@ -40,6 +40,8 @@
             this.PastryId = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.PastryName = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.Count = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.textBoxCapacity = new System.Windows.Forms.TextBox();
+            this.label3 = new System.Windows.Forms.Label();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
             // 
@@ -77,7 +79,7 @@
             // 
             // buttonCancel
             // 
-            this.buttonCancel.Location = new System.Drawing.Point(376, 276);
+            this.buttonCancel.Location = new System.Drawing.Point(376, 313);
             this.buttonCancel.Name = "buttonCancel";
             this.buttonCancel.Size = new System.Drawing.Size(94, 29);
             this.buttonCancel.TabIndex = 7;
@@ -87,7 +89,7 @@
             // 
             // buttonSave
             // 
-            this.buttonSave.Location = new System.Drawing.Point(276, 276);
+            this.buttonSave.Location = new System.Drawing.Point(276, 313);
             this.buttonSave.Name = "buttonSave";
             this.buttonSave.Size = new System.Drawing.Size(94, 29);
             this.buttonSave.TabIndex = 6;
@@ -120,7 +122,7 @@
             this.PastryId,
             this.PastryName,
             this.Count});
-            this.dataGridView.Location = new System.Drawing.Point(120, 105);
+            this.dataGridView.Location = new System.Drawing.Point(120, 142);
             this.dataGridView.MultiSelect = false;
             this.dataGridView.Name = "dataGridView";
             this.dataGridView.RowHeadersVisible = false;
@@ -155,11 +157,29 @@
             this.Count.ReadOnly = true;
             this.Count.Width = 125;
             // 
+            // textBoxCapacity
+            // 
+            this.textBoxCapacity.Location = new System.Drawing.Point(120, 105);
+            this.textBoxCapacity.Name = "textBoxCapacity";
+            this.textBoxCapacity.Size = new System.Drawing.Size(350, 27);
+            this.textBoxCapacity.TabIndex = 16;
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(11, 108);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(103, 20);
+            this.label3.TabIndex = 15;
+            this.label3.Text = "Вместимость:";
+            // 
             // FormShop
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(478, 317);
+            this.ClientSize = new System.Drawing.Size(478, 354);
+            this.Controls.Add(this.textBoxCapacity);
+            this.Controls.Add(this.label3);
             this.Controls.Add(this.dataGridView);
             this.Controls.Add(this.label2);
             this.Controls.Add(this.openingDateTimePicker);
@@ -192,5 +212,7 @@
         private DataGridViewTextBoxColumn PastryId;
         private DataGridViewTextBoxColumn PastryName;
         private DataGridViewTextBoxColumn Count;
+        private TextBox textBoxCapacity;
+        private Label label3;
     }
 }

Confectionery/Confectionery/FormShop.cs

@@ -43,6 +43,11 @@ namespace Confectionery
                 MessageBox.Show("Заполните адрес", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                 return;
             }
+            if (string.IsNullOrEmpty(textBoxCapacity.Text))
+            {
+                MessageBox.Show("Заполните вместимость", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
             _logger.LogInformation("Сохранение магазина");
             try
             {
@@ -52,6 +57,7 @@ namespace Confectionery
                     ShopName = textBoxName.Text,
                     ShopAdress = textBoxAdress.Text,
                     OpeningDate = openingDateTimePicker.Value.Date,
+                    PastryCapacity = Convert.ToInt32(textBoxCapacity.Text),
                     ShopPastries = _shopPastries
                 };
                 var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
@@ -83,6 +89,7 @@ namespace Confectionery
                         textBoxName.Text = view.ShopName;
                         textBoxAdress.Text = view.ShopAdress;
                         openingDateTimePicker.Value = view.OpeningDate;
+                        textBoxCapacity.Text = view.PastryCapacity.ToString();
                         _shopPastries = view.ShopPastries;
                         foreach (var pc in view.ShopPastries)
                         {

Confectionery/Confectionery/Program.cs

@@ -1,7 +1,7 @@
 using ConfectioneryBusinessLogic.BusinessLogics;
 using ConfectioneryContracts.BusinessLogicsContracts;
 using ConfectioneryContracts.StoragesContracts;
-using ConfectioneryListImplement.Implements;
+using ConfectioneryFileImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;
@@ -53,6 +53,7 @@ namespace Confectionery
             services.AddTransient<FormShop>();
             services.AddTransient<FormShops>();
             services.AddTransient<FormDelivery>();
+            services.AddTransient<FormSell>();
         }
     }
 }

Confectionery/ConfectioneryBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -17,11 +17,13 @@ namespace ConfectioneryBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
+        private readonly IShopStorage _shopStorage;
 
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage, IShopStorage shopStorage)
         {
             _logger = logger;
             _orderStorage = orderStorage;
+            _shopStorage = shopStorage;
         }
 
         public bool CreateOrder(OrderBindingModel model)
@@ -54,6 +56,7 @@ namespace ConfectioneryBusinessLogic.BusinessLogics
                 _logger.LogWarning("Status change operation failed");
                 throw new InvalidOperationException("Заказ должен быть переведен в статус готовности перед выдачей!");
             }
+
             model.Status = OrderStatus.Выдан;
             model.DateImplement = DateTime.Now;
             _orderStorage.Update(model);
@@ -77,6 +80,8 @@ namespace ConfectioneryBusinessLogic.BusinessLogics
                 _logger.LogWarning("Status change operation failed");
                 throw new InvalidOperationException("Заказ должен быть переведен в статус выполнения перед готовностью!");
             }
+            bool hasFreeSpace = _shopStorage.Supply(element.PastryId, element.Count);
+            if (!hasFreeSpace) throw new InvalidOperationException("В магазинах недостаточно места, чтобы вместить данный заказ!");
             model.Status = OrderStatus.Готов;
             _orderStorage.Update(model);
             return true;

Confectionery/ConfectioneryBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -106,6 +106,10 @@ namespace ConfectioneryBusinessLogic.BusinessLogics
             {
                 throw new ArgumentNullException("Нет адресса иагазина", nameof(model.ShopAdress));
             }
+            if (model.PastryCapacity <= 0)
+            {
+                throw new InvalidOperationException("Вместимоcть должна быть больше 0");
+            }
             _logger.LogInformation("Shop. ShopName:{ShopName}. Id:{Id}", model.ShopName, model.Id);
             var element = _shopStorage.GetElement(new ShopSearchModel
             {
@@ -152,9 +156,15 @@ namespace ConfectioneryBusinessLogic.BusinessLogics
                 ShopName = element.ShopName,
                 ShopAdress = element.ShopAdress,
                 OpeningDate = element.OpeningDate,
-                ShopPastries = element.ShopPastries
+                ShopPastries = element.ShopPastries,
+                PastryCapacity = element.PastryCapacity
             });
             return true;
         }
+
+        public bool Sell(int pastryId, int count)
+        {
+            return _shopStorage.Sell(pastryId, count);
+        }
     }
 }

Confectionery/ConfectioneryContracts/BindingModels/ShopBindingModel.cs

@@ -12,6 +12,7 @@ namespace ConfectioneryContracts.BindingModels
         public int Id { get; set; }
         public string ShopName { get; set; } = string.Empty;
         public string ShopAdress { get; set; } = string.Empty;
+        public int PastryCapacity { get; set; }
         public DateTime OpeningDate { get; set; }
         public Dictionary<int, (IPastryModel, int)> ShopPastries
         {

Confectionery/ConfectioneryContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -18,5 +18,6 @@ namespace ConfectioneryContracts.BusinessLogicsContracts
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
         bool DeliverPastryToShop(ShopBindingModel shopModel, IPastryModel pastryModel, int count);
+        bool Sell(int pastryId, int count);
     }
 }

Confectionery/ConfectioneryContracts/StoragesContracts/IShopStorage.cs

@@ -1,6 +1,7 @@
 using ConfectioneryContracts.BindingModels;
 using ConfectioneryContracts.SearchModels;
 using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -17,5 +18,7 @@ namespace ConfectioneryContracts.StoragesContracts
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
         ShopViewModel? Delete(ShopBindingModel model);
+        bool Supply(int pastryId, int count);
+        bool Sell(int pastryId, int count);
     }
 }

Confectionery/ConfectioneryContracts/ViewModels/ShopViewModel.cs

@@ -17,6 +17,8 @@ namespace ConfectioneryContracts.ViewModels
         public string ShopAdress { get; set; } = String.Empty;
         [DisplayName("Дата открытия")]
         public DateTime OpeningDate { get; set; }
+        [DisplayName("Макс. вместимость")]
+        public int PastryCapacity { get; set; }
         public Dictionary<int, (IPastryModel, int)> ShopPastries
         {
             get;

Confectionery/ConfectioneryDataModels/Models/IShopModel.cs

@@ -10,6 +10,7 @@ namespace ConfectioneryDataModels.Models
     {
         string ShopName { get; }
         string ShopAdress { get; }
+        int PastryCapacity { get; }
         DateTime OpeningDate { get; }
         Dictionary<int, (IPastryModel, int)> ShopPastries { get; }
     }

Confectionery/ConfectioneryFileImplements/ConfectioneryFileImplement.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="..\ConfectioneryContracts\ConfectioneryContracts.csproj" />
+    <ProjectReference Include="..\ConfectioneryDataModels\ConfectioneryDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

Confectionery/ConfectioneryFileImplements/DataFileSingleton.cs

@@ -0,0 +1,58 @@
+using ConfectioneryFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ConfectioneryFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string IngredientFileName = "Ingredient.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string PastryFileName = "Pastry.xml";
+        private readonly string ShopFileName = "Shop.xml";
+        public List<Ingredient> Ingredients { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Pastry> Pastries { get; private set; }
+        public List<Shop> Shops { get; private set; }
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+        public void SaveIngredients() => SaveData(Ingredients, IngredientFileName, "Ingredients", x => x.GetXElement);
+        public void SavePastries() => SaveData(Pastries, PastryFileName, "Pastries", 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()
+        {
+            Ingredients = LoadData(IngredientFileName, "Ingredient", x => Ingredient.Create(x)!)!;
+            Pastries = LoadData(PastryFileName, "Pastry", x => Pastry.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);
+            }
+        }
+    }
+}

Confectionery/ConfectioneryFileImplements/Implements/IngredientStorage.cs

@@ -0,0 +1,86 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContracts;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConfectioneryFileImplement.Implements
+{
+    public class IngredientStorage : IIngredientStorage
+    {
+        private readonly DataFileSingleton source;
+        public IngredientStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<IngredientViewModel> GetFullList()
+        {
+            return source.Ingredients
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<IngredientViewModel> GetFilteredList(IngredientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.IngredientName))
+            {
+                return new();
+            }
+            return source.Ingredients
+            .Where(x => x.IngredientName.Contains(model.IngredientName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public IngredientViewModel? GetElement(IngredientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.IngredientName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Ingredients
+            .FirstOrDefault(x => (!string.IsNullOrEmpty(model.IngredientName) && x.IngredientName == model.IngredientName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+
+        public IngredientViewModel? Insert(IngredientBindingModel model)
+        {
+            model.Id = source.Ingredients.Count > 0 ? source.Ingredients.Max(x => x.Id) + 1 : 1;
+            var newIngredient = Ingredient.Create(model);
+            if (newIngredient == null)
+            {
+                return null;
+            }
+            source.Ingredients.Add(newIngredient);
+            source.SaveIngredients();
+            return newIngredient.GetViewModel;
+        }
+        public IngredientViewModel? Update(IngredientBindingModel model)
+        {
+            var ingredient = source.Ingredients.FirstOrDefault(x => x.Id == model.Id);
+            if (ingredient == null)
+            {
+                return null;
+            }
+            ingredient.Update(model);
+            source.SaveIngredients();
+            return ingredient.GetViewModel;
+        }
+        public IngredientViewModel? Delete(IngredientBindingModel model)
+        {
+            var element = source.Ingredients.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Ingredients.Remove(element);
+                source.SaveIngredients();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Confectionery/ConfectioneryFileImplements/Implements/OrderStorage.cs

@@ -0,0 +1,95 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContracts;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConfectioneryFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders
+            .Select(x => AccessPastryStorage(x.GetViewModel))
+            .ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return source.Orders
+            .Where(x => x.Id == model.Id)
+            .Select(x => AccessPastryStorage(x.GetViewModel))
+            .ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return AccessPastryStorage(source.Orders
+            .FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
+            ?.GetViewModel);
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            source.Orders.Add(newOrder);
+            source.SaveOrders();
+            return AccessPastryStorage(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 AccessPastryStorage(order.GetViewModel);
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Orders.Remove(element);
+                source.SaveOrders();
+                return AccessPastryStorage(element.GetViewModel);
+            }
+            return null;
+        }
+
+        public OrderViewModel AccessPastryStorage(OrderViewModel model)
+        {
+            string? pastryName = source.Pastries.FirstOrDefault(x => x.Id == model?.PastryId)?.PastryName;
+            if (pastryName != null) model.PastryName = pastryName;
+            return model;
+        }
+    }
+}

Confectionery/ConfectioneryFileImplements/Implements/PastryStorage.cs

@@ -0,0 +1,89 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContracts;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConfectioneryFileImplement.Implements
+{
+    public class PastryStorage : IPastryStorage
+    {
+        private readonly DataFileSingleton source;
+        public PastryStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<PastryViewModel> GetFullList()
+        {
+            return source.Pastries
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<PastryViewModel> GetFilteredList(PastrySearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PastryName))
+            {
+                return new();
+            }
+            return source.Pastries
+            .Where(x => x.PastryName.Contains(model.PastryName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public PastryViewModel? GetElement(PastrySearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.PastryName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Pastries
+            .FirstOrDefault(x => (!string.IsNullOrEmpty(model.PastryName) && x.PastryName == model.PastryName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+
+        public PastryViewModel? Insert(PastryBindingModel model)
+        {
+            model.Id = source.Pastries.Count > 0 ? source.Pastries.Max(x => x.Id) + 1 : 1;
+            var newPastry = Pastry.Create(model);
+            if (newPastry == null)
+            {
+                return null;
+            }
+            source.Pastries.Add(newPastry);
+            source.SavePastries();
+            return newPastry.GetViewModel;
+        }
+
+        public PastryViewModel? Update(PastryBindingModel model)
+        {
+            var pastry = source.Pastries.FirstOrDefault(x => x.Id == model.Id);
+            if (pastry == null)
+            {
+                return null;
+            }
+            pastry.Update(model);
+            source.SavePastries();
+            return pastry.GetViewModel;
+        }
+
+        public PastryViewModel? Delete(PastryBindingModel model)
+        {
+            var element = source.Pastries.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Pastries.Remove(element);
+                source.SavePastries();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

Confectionery/ConfectioneryFileImplements/Implements/ShopStorage.cs

@@ -0,0 +1,165 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.SearchModels;
+using ConfectioneryContracts.StoragesContracts;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
+using ConfectioneryFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConfectioneryFileImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton source;
+        public ShopStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<ShopViewModel> GetFullList()
+        {
+            return source.Shops
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName))
+            {
+                return new();
+            }
+            return source.Shops
+            .Where(x => x.ShopName.Contains(model.ShopName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ShopName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Shops
+            .FirstOrDefault(x => (!string.IsNullOrEmpty(model.ShopName) && x.ShopName == model.ShopName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = source.Shops.Count > 0 ? source.Shops.Max(x => x.Id) + 1 : 1;
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            source.Shops.Add(newShop);
+            source.SaveShops();
+            return newShop.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            var pastry = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (pastry == null)
+            {
+                return null;
+            }
+            pastry.Update(model);
+            source.SaveShops();
+            return pastry.GetViewModel;
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var element = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Shops.Remove(element);
+                source.SaveShops();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool Supply(int pastryId, int count)
+        {
+            int freeSpace = source.Shops.Select(x => x.PastryCapacity - x.ShopPastries.Select(y => y.Value.Item2).Sum()).Sum();
+            if (freeSpace < count)
+            {
+                return false;
+            }
+            foreach (Shop shop in source.Shops){
+                int freeShopSpace = shop.PastryCapacity - shop.ShopPastries.Select(y => y.Value.Item2).Sum();
+                if (freeShopSpace > 0)
+                {
+                    if (freeShopSpace >= count)
+                    {
+                        if (shop.Pastries.ContainsKey(pastryId))
+                        {
+                            shop.Pastries[pastryId] += count;
+                        }
+                        else
+                        {
+                            shop.Pastries.Add(pastryId, count);
+                        }
+                        shop.setShopPastriesNull();
+                        return true;
+                    }
+                    else
+                    {
+                        count -= freeShopSpace;
+                        if (shop.Pastries.TryGetValue(pastryId, out var pastryCount))
+                        {
+                            shop.Pastries[pastryId] = pastryCount + freeShopSpace;
+                        }
+                        else
+                        {
+                            shop.Pastries.Add(pastryId, freeShopSpace);
+                        }
+                        shop.setShopPastriesNull();
+                    }
+                }
+            }
+            return false;
+        }
+
+        public bool Sell(int pastryId, int count)
+        {
+            int pastryCount = source.Shops.Select(x => x.ShopPastries.Select(y => y.Value).Where(y => y.Item1.Id == pastryId).Sum(y => y.Item2)).Sum();
+            if (pastryCount < count)
+            {
+                return false;
+            }
+            foreach (Shop shop in source.Shops)
+            {
+                int shopPastryCount = shop.ShopPastries.Select(x => x.Value).Where(x => x.Item1.Id == pastryId).Sum(x => x.Item2);
+                if (count - shopPastryCount >= 0)
+                {
+                    count -= shopPastryCount;
+                    shop.Pastries.Remove(pastryId);
+                    shop.setShopPastriesNull();
+                }
+                else
+                {
+                    shop.Pastries[pastryId] -= count;
+                    count = 0;
+                    shop.setShopPastriesNull();
+                }
+                if (count == 0)
+                {
+                    source.SaveShops();
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}

Confectionery/ConfectioneryFileImplements/Models/Ingredient.cs

@@ -0,0 +1,62 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ConfectioneryFileImplement.Models
+{
+    public class Ingredient : IIngredientModel
+    {
+        public int Id { get; private set; }
+        public string IngredientName { get; private set; } = string.Empty;
+        public double Cost { get; set; }
+        public static Ingredient? Create(IngredientBindingModel model)
+        {
+            if (model == null) return null;
+            return new Ingredient()
+            {
+                Id = model.Id,
+                IngredientName = model.IngredientName,
+                Cost = model.Cost
+            };
+        }
+        public static Ingredient? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Ingredient()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                IngredientName = element.Element("IngredientName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+        public void Update(IngredientBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            IngredientName = model.IngredientName;
+            Cost = model.Cost;
+        }
+        public IngredientViewModel GetViewModel => new()
+        {
+            Id = Id,
+            IngredientName = IngredientName,
+            Cost = Cost
+        };
+        public XElement GetXElement => new("Ingredient",
+        new XAttribute("Id", Id),
+        new XElement("IngredientName", IngredientName),
+        new XElement("Cost", Cost.ToString()));
+    }
+}

Confectionery/ConfectioneryFileImplements/Models/Order.cs

@@ -0,0 +1,91 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Enums;
+using ConfectioneryDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ConfectioneryFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int PastryId { 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(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                PastryId = model.PastryId,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                PastryId = Convert.ToInt32(element.Element("PastryId")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Status = (OrderStatus) Convert.ToInt32(element.Element("Status")!.Value),
+                DateCreate = Convert.ToDateTime(element.Element("DateCreate")!.Value),
+                DateImplement = Convert.ToDateTime(String.IsNullOrEmpty(element.Element("DateImplement")!.Value) ? null : element.Element("DateImplement")!.Value)
+            };
+        }
+
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            if (model.DateImplement.HasValue) DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PastryId = PastryId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+        public XElement GetXElement => new("Order",
+        new XAttribute("Id", Id),
+        new XElement("PastryId", PastryId),
+        new XElement("Count", Count.ToString()),
+        new XElement("Sum", Sum.ToString()),
+        new XElement("Status", ((int)Status).ToString()),
+        new XElement("DateCreate", DateCreate.ToString()),
+        new XElement("DateImplement", DateImplement.ToString()));
+    }
+}

Confectionery/ConfectioneryFileImplements/Models/Pastry.cs

@@ -0,0 +1,89 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace ConfectioneryFileImplement.Models
+{
+    public class Pastry : IPastryModel
+    {
+        public int Id { get; private set; }
+        public string PastryName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, int> Ingredients { get; private set; } = new();
+        private Dictionary<int, (IIngredientModel, int)>? _pastryIngredients = null;
+        public Dictionary<int, (IIngredientModel, int)> PastryIngredients
+        {
+            get
+            {
+                if (_pastryIngredients == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _pastryIngredients = Ingredients.ToDictionary(x => x.Key, y => ((source.Ingredients.FirstOrDefault(z => z.Id == y.Key) as IIngredientModel)!, y.Value));
+                }
+                return _pastryIngredients;
+            }
+        }
+        public static Pastry? Create(PastryBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Pastry()
+            {
+                Id = model.Id,
+                PastryName = model.PastryName,
+                Price = model.Price,
+                Ingredients = model.PastryIngredients.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+
+        public static Pastry? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Pastry()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                PastryName = element.Element("PastryName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Ingredients = element.Element("PastryIngredients")!.Elements("PastryIngredient").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(PastryBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            PastryName = model.PastryName;
+            Price = model.Price;
+            Ingredients = model.PastryIngredients.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _pastryIngredients = null;
+        }
+        public PastryViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PastryName = PastryName,
+            Price = Price,
+            PastryIngredients = PastryIngredients
+        };
+        public XElement GetXElement => new("Pastry",
+        new XAttribute("Id", Id),
+        new XElement("PastryName", PastryName),
+        new XElement("Price", Price.ToString()),
+        new XElement("PastryIngredients", Ingredients.Select(x => new XElement("PastryIngredient",
+        new XElement("Key", x.Key),
+        new XElement("Value", x.Value)))
+        .ToArray()));
+    }
+}

Confectionery/ConfectioneryFileImplements/Models/Shop.cs

@@ -0,0 +1,104 @@
+using ConfectioneryContracts.BindingModels;
+using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.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 ConfectioneryFileImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+        public string ShopName { get; private set; } = string.Empty;
+        public string ShopAdress { get; private set; } = string.Empty;
+        public int PastryCapacity { get; private set; }
+        public DateTime OpeningDate { get; private set; }
+        public Dictionary<int, int> Pastries { get; private set; } = new();
+        private Dictionary<int, (IPastryModel, int)>? _shopPastries = null;
+        public Dictionary<int, (IPastryModel, int)> ShopPastries 
+        { 
+            get
+            {
+                if (_shopPastries == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopPastries = Pastries.ToDictionary(x => x.Key, y => ((source.Pastries.FirstOrDefault(z => z.Id == y.Key) as IPastryModel)!, y.Value));
+                }
+                return _shopPastries;
+            }
+        }
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                ShopAdress = model.ShopAdress,
+                OpeningDate = model.OpeningDate,
+                Pastries = model.ShopPastries.ToDictionary(x => x.Key, x => x.Value.Item2),
+                PastryCapacity = model.PastryCapacity
+            };
+        }
+        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,
+                ShopAdress = element.Element("ShopAdress")!.Value,
+                PastryCapacity = Convert.ToInt32(element.Element("PastryCapacity")!.Value),
+                OpeningDate = Convert.ToDateTime(element.Element("OpeningDate")!.Value),
+                Pastries = element.Element("ShopPastries")!.Elements("ShopPastry").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ShopName = model.ShopName;
+            ShopAdress = model.ShopAdress;
+            OpeningDate = model.OpeningDate;
+            Pastries = model.ShopPastries.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _shopPastries = null;
+            PastryCapacity = model.PastryCapacity;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            ShopAdress = ShopAdress,
+            ShopPastries = ShopPastries,
+            OpeningDate = OpeningDate,
+            PastryCapacity = PastryCapacity,
+        };
+        internal void setShopPastriesNull()
+        {
+            _shopPastries = null;
+        }
+        public XElement GetXElement => new("Shop",
+        new XAttribute("Id", Id),
+        new XElement("ShopName", ShopName),
+        new XElement("ShopAdress", ShopAdress),
+        new XElement("PastryCapacity", PastryCapacity.ToString()),
+        new XElement("OpeningDate", OpeningDate.ToString()),
+        new XElement("ShopPastries", Pastries.Select(x => new XElement("ShopPastry",
+        new XElement("Key", x.Key),
+        new XElement("Value", x.Value)))
+        .ToArray()));
+    }
+}

Confectionery/ConfectioneryListImplement/Implements/ShopStorage.cs

@@ -2,6 +2,7 @@
 using ConfectioneryContracts.SearchModels;
 using ConfectioneryContracts.StoragesContracts;
 using ConfectioneryContracts.ViewModels;
+using ConfectioneryDataModels.Models;
 using ConfectioneryListImplement.Models;
 using System;
 using System.Collections.Generic;
@@ -107,5 +108,15 @@ namespace ConfectioneryListImplement.Implements
             }
             return null;
         }
+
+        public bool Supply(int pastryId, int count)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool Sell(int pastryId, int count)
+        {
+            throw new NotImplementedException();
+        }
     }
 }

Confectionery/ConfectioneryListImplement/Models/Shop.cs

@@ -15,6 +15,7 @@ namespace ConfectioneryListImplement.Models
         public int Id { get; private set; }
         public string ShopName { get; private set; } = string.Empty;
         public string ShopAdress { get; private set; } = string.Empty;
+        public int PastryCapacity { get; private set; }
         public DateTime OpeningDate { get; private set; }
         public Dictionary<int, (IPastryModel, int)> ShopPastries { get; private set; } = new Dictionary<int, (IPastryModel, int)>();
         public static Shop? Create(ShopBindingModel? model)
@@ -29,7 +30,8 @@ namespace ConfectioneryListImplement.Models
                 ShopName = model.ShopName,
                 ShopAdress = model.ShopAdress,
                 OpeningDate = model.OpeningDate,
-                ShopPastries = model.ShopPastries
+                ShopPastries = model.ShopPastries,
+                PastryCapacity = model.PastryCapacity
             };
         }
         public void Update(ShopBindingModel? model)
@@ -42,6 +44,7 @@ namespace ConfectioneryListImplement.Models
             ShopAdress = model.ShopAdress;
             OpeningDate = model.OpeningDate;
             ShopPastries = model.ShopPastries;
+            PastryCapacity = model.PastryCapacity;
         }
         public ShopViewModel GetViewModel => new()
         {
@@ -49,7 +52,8 @@ namespace ConfectioneryListImplement.Models
             ShopName = ShopName,
             ShopAdress = ShopAdress,
             ShopPastries = ShopPastries,
-            OpeningDate = OpeningDate
+            OpeningDate = OpeningDate,
+            PastryCapacity = PastryCapacity,
         };
     }
 }