FurnitureAssembly/FurnitureAssemFileImplement/Implements/ShopStorage.cs

@@ -83,5 +83,62 @@ namespace FurnitureAssemFileImplement.Implements
             }
             return null;
         }
+
+        private int GetCountFurnitureAllShops(FurnitureBindingModel furniture)
+        {
+            int count = 0;
+            foreach (var shop in source.Shops)
+            {
+                if (shop.Furnitures.ContainsKey(furniture.Id))
+                {
+                    count += shop.Furnitures[furniture.Id].Item2;
+                }
+            }
+            return count;
+        }
+
+
+        public bool Sell(FurnitureBindingModel furniture, int count)
+        {
+            if (GetCountFurnitureAllShops(furniture) < count)
+            {
+                return false;
+            }
+
+
+            foreach (var shop in source.Shops)
+            {
+                if (shop.Furnitures.ContainsKey(furniture.Id))
+                {
+                    if (shop.Furnitures[furniture.Id].Item2 > count)
+                    {
+                        shop.Furnitures[furniture.Id] = (shop.Furnitures[furniture.Id].Item1, shop.Furnitures[furniture.Id].Item2 - count);
+                        shop.Update(new ShopBindingModel
+                        {
+                            Id = shop.Id,
+                            ShopName = shop.ShopName,
+                            MaxCount = shop.MaxCount,
+                            Furnitures = shop.Furnitures,
+                            Address = shop.Address,
+                            DateOpening = shop.DateOpening,
+                        });
+                        break;
+                    }
+                    shop.Furnitures[furniture.Id] = (shop.Furnitures[furniture.Id].Item1, 0);
+                    shop.Update(new ShopBindingModel
+                    {
+                        Id = shop.Id,
+                        ShopName = shop.ShopName,
+                        MaxCount = shop.MaxCount,
+                        Furnitures = shop.Furnitures,
+                        Address = shop.Address,
+                        DateOpening = shop.DateOpening,
+                    });
+                    count -= shop.Furnitures[furniture.Id].Item2;
+                }
+            }
+            source.SaveShops();
+            return true;
+        }
     }
 }

FurnitureAssembly/FurnitureAssembly/FormMain.Designer.cs

@@ -40,6 +40,7 @@
             this.изделияToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.магазиныToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.пополнениеМагазинаToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.buttonSell = new System.Windows.Forms.Button();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.menuStrip1.SuspendLayout();
             this.SuspendLayout();
@@ -152,11 +153,22 @@
             this.пополнениеМагазинаToolStripMenuItem.Text = "Пополнение магазина";
             this.пополнениеМагазинаToolStripMenuItem.Click += new System.EventHandler(this.ReplenishmentToolStripMenuItem_Click);
             // 
+            // buttonSell
+            // 
+            this.buttonSell.Location = new System.Drawing.Point(902, 324);
+            this.buttonSell.Name = "buttonSell";
+            this.buttonSell.Size = new System.Drawing.Size(150, 25);
+            this.buttonSell.TabIndex = 7;
+            this.buttonSell.Text = "Продажа мебели";
+            this.buttonSell.UseVisualStyleBackColor = true;
+            this.buttonSell.Click += new System.EventHandler(this.buttonSell_Click);
+            // 
             // FormMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(1065, 450);
+            this.Controls.Add(this.buttonSell);
             this.Controls.Add(this.ButtonRef);
             this.Controls.Add(this.ButtonIssuedOrder);
             this.Controls.Add(this.ButtonOrderReady);
@@ -190,5 +202,6 @@
         private ToolStripMenuItem изделияToolStripMenuItem;
         private ToolStripMenuItem магазиныToolStripMenuItem;
         private ToolStripMenuItem пополнениеМагазинаToolStripMenuItem;
+        private Button buttonSell;
     }
 }

FurnitureAssembly/FurnitureAssembly/FormMain.cs

@@ -207,5 +207,14 @@ namespace FurnitureAssembly
                 }
             }
         }
+
+        private void buttonSell_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSell));
+            if (service is FormSell form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

FurnitureAssembly/FurnitureAssembly/FormSell.Designer.cs

@@ -0,0 +1,119 @@
+namespace FurnitureAssembly
+{
+    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.textBoxCount = new System.Windows.Forms.TextBox();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.buttonSell = new System.Windows.Forms.Button();
+            this.labelNum = new System.Windows.Forms.Label();
+            this.labelFurniture = new System.Windows.Forms.Label();
+            this.comboBoxFurniture = new System.Windows.Forms.ComboBox();
+            this.SuspendLayout();
+            // 
+            // textBoxCount
+            // 
+            this.textBoxCount.Location = new System.Drawing.Point(135, 84);
+            this.textBoxCount.Name = "textBoxCount";
+            this.textBoxCount.Size = new System.Drawing.Size(160, 23);
+            this.textBoxCount.TabIndex = 14;
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(332, 142);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(99, 29);
+            this.buttonCancel.TabIndex = 13;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // buttonSell
+            // 
+            this.buttonSell.Location = new System.Drawing.Point(196, 142);
+            this.buttonSell.Name = "buttonSell";
+            this.buttonSell.Size = new System.Drawing.Size(99, 29);
+            this.buttonSell.TabIndex = 12;
+            this.buttonSell.Text = "Продать";
+            this.buttonSell.UseVisualStyleBackColor = true;
+            this.buttonSell.Click += new System.EventHandler(this.buttonSell_Click);
+            // 
+            // labelNum
+            // 
+            this.labelNum.AutoSize = true;
+            this.labelNum.Location = new System.Drawing.Point(48, 87);
+            this.labelNum.Name = "labelNum";
+            this.labelNum.Size = new System.Drawing.Size(72, 15);
+            this.labelNum.TabIndex = 11;
+            this.labelNum.Text = "Количество";
+            // 
+            // labelFurniture
+            // 
+            this.labelFurniture.AutoSize = true;
+            this.labelFurniture.Location = new System.Drawing.Point(48, 46);
+            this.labelFurniture.Name = "labelFurniture";
+            this.labelFurniture.Size = new System.Drawing.Size(53, 15);
+            this.labelFurniture.TabIndex = 10;
+            this.labelFurniture.Text = "Изделие";
+            // 
+            // comboBoxFurniture
+            // 
+            this.comboBoxFurniture.FormattingEnabled = true;
+            this.comboBoxFurniture.Location = new System.Drawing.Point(135, 43);
+            this.comboBoxFurniture.Name = "comboBoxFurniture";
+            this.comboBoxFurniture.Size = new System.Drawing.Size(296, 23);
+            this.comboBoxFurniture.TabIndex = 9;
+            // 
+            // FormSell
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(479, 214);
+            this.Controls.Add(this.textBoxCount);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSell);
+            this.Controls.Add(this.labelNum);
+            this.Controls.Add(this.labelFurniture);
+            this.Controls.Add(this.comboBoxFurniture);
+            this.Name = "FormSell";
+            this.Text = "Продажа мебели";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private TextBox textBoxCount;
+        private Button buttonCancel;
+        private Button buttonSell;
+        private Label labelNum;
+        private Label labelFurniture;
+        private ComboBox comboBoxFurniture;
+    }
+}

FurnitureAssembly/FurnitureAssembly/FormSell.cs

@@ -0,0 +1,116 @@
+using FurnitureAssemblyBusinessLogic;
+using FurnitureAssemblyContracts.BusinessLogicsContarcts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+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 FurnitureAssembly
+{
+    public partial class FormSell : Form
+    {
+        private readonly IShopLogic _shopLogic;
+        private readonly List<FurnitureViewModel>? _listFurnitures;
+
+        public int Id
+        {
+            get
+            {
+                return Convert.ToInt32(comboBoxFurniture.SelectedValue);
+            }
+            set
+            {
+                comboBoxFurniture.SelectedValue = value;
+            }
+        }
+
+        public IFurnitureModel? FurnitureModel
+        {
+            get
+            {
+                if (_listFurnitures == null)
+                {
+                    return null;
+                }
+                foreach (var elem in _listFurnitures)
+                {
+                    if (elem.Id == Id)
+                    {
+                        return elem;
+                    }
+                }
+                return null;
+            }
+        }
+
+        public int Count
+        {
+            get 
+            { 
+                return Convert.ToInt32(textBoxCount.Text); 
+            }
+            set
+            {
+                textBoxCount.Text = value.ToString();
+            }
+        }
+
+
+
+        public FormSell(IShopLogic shopLogic, IFurnitureLogic furnitureLogic)
+        {
+            InitializeComponent();
+
+            _shopLogic = shopLogic;
+
+            _listFurnitures = furnitureLogic.ReadList(null);
+            if (_listFurnitures != null)
+            {
+                comboBoxFurniture.DisplayMember = "FurnitureName";
+                comboBoxFurniture.ValueMember = "Id";
+                comboBoxFurniture.DataSource = _listFurnitures;
+                comboBoxFurniture.SelectedItem = null;
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private void buttonSell_Click(object sender, EventArgs e)
+        {
+            if (FurnitureModel == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка",
+              MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (Count <= 0)
+            {
+                MessageBox.Show("Укажите количество изделия", "Ошибка",
+              MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            
+            if (!_shopLogic.Sell(new() { Id = FurnitureModel.Id }, Count))
+            {
+                MessageBox.Show("Не удалось продать изделие " + FurnitureModel.FurnitureName, "Ошибка",
+             MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+            MessageBox.Show("Продажа прошла успешно", "Сообщение",
+               MessageBoxButtons.OK, MessageBoxIcon.Information);
+            DialogResult = DialogResult.OK;
+            Close();
+        }
+    }
+}

FurnitureAssembly/FurnitureAssembly/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>

FurnitureAssembly/FurnitureAssembly/Program.cs

@@ -53,6 +53,7 @@ namespace FurnitureAssembly
             services.AddTransient<FormShop>();
             services.AddTransient<FormShops>();
             services.AddTransient<FormReplenishmentShop>();
+            services.AddTransient<FormSell>();
         }
     }
 }

FurnitureAssembly/FurnitureAssemblyBusinessLogic/ShopLogic.cs

@@ -203,5 +203,10 @@ namespace FurnitureAssemblyBusinessLogic
             }
             return true;
         }
+
+        public bool Sell(FurnitureBindingModel furnitureBindingModel, int count)
+        {
+            return _shopStorage.Sell(furnitureBindingModel, count);
+        }
     }
 }

FurnitureAssembly/FurnitureAssemblyContracts/BusinessLogicsContarcts/IShopLogic.cs

@@ -17,7 +17,7 @@ namespace FurnitureAssemblyContracts.BusinessLogicsContarcts
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
         bool AddFurniture(ShopBindingModel model, FurnitureBindingModel furnitureModel, int count);
-
         bool AddFurnituresAtShops(FurnitureBindingModel furnitureModel, int count);
+        bool Sell(FurnitureBindingModel furnitureModel, int count);
     }
 }

FurnitureAssembly/FurnitureAssemblyContracts/StoragesContracts/IShopStorage.cs

@@ -12,6 +12,8 @@ namespace FurnitureAssemblyContracts.StoragesContracts
         ShopViewModel? GetElement(ShopSearchModel model);
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
-        ShopViewModel? Delete(ShopBindingModel model);      
+        ShopViewModel? Delete(ShopBindingModel model);
+
+        bool Sell(FurnitureBindingModel furnitureBindingModel, int count);
     }
 }

FurnitureAssembly/FurnitureAssemblyListImplement/Implements/ShopStorage.cs

@@ -109,5 +109,10 @@ namespace FurnitureAssemblyListImplement.Implements
             }
             return null;
         }
+
+        public bool Sell(FurnitureBindingModel furnitureBindingModel, int count)
+        {
+            throw new NotImplementedException();
+        }
     }
 }