Merge pull request 'Lab2_hard into Lab3_hard' (#13) from Lab2_hard into Lab3_hard

Reviewed-on: #13

ComputersShop/ComputerShopFileImplements/DataFileSingleton.cs

@@ -14,9 +14,11 @@ namespace ComputersShopFileImplements
         public readonly string ComponentFileName = "Component.xml";
         public readonly string OrderFileName = "Order.xml";
         public readonly string ComputerFileName = "Computer.xml";
+        public readonly string ShopFileName = "Shop.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Computer> Computers { get; private set; }
+        public List<Shop> Shops { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -31,14 +33,16 @@ namespace ComputersShopFileImplements
             "Computers", 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)!)!;
             Computers = LoadData(ComputerFileName, "Computer", x => Computer.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)
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
         {
             if (File.Exists(filename))
             {

ComputersShop/ComputerShopFileImplements/Implements/ShopStorage.cs

@@ -0,0 +1,127 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using ComputersShopFileImplements.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopFileImplements.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> GetFiltredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            return source.Shops
+                .Where(x => x.ShopName.Contains(model.Name))
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (!string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Shops
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.Name) &&
+                x.ShopName == model.Name) || (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.SaveComputers();
+            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.SaveComputers();
+            return shop.GetViewModel;
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var element = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Shops.Remove(element);
+                source.SaveComputers();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+        public bool CheckAvailability(int computerId, int count)
+        {
+            int store = source.Shops.Select(x => x.ShopComputers.Select(y => (y.Value.Item1.Id == computerId ? y.Value.Item2 : 0)).Sum()).Sum();
+            return store >= count;
+        }
+        public bool SellComputers(IComputerModel model, int count)
+        {
+            var computer = source.Computers.FirstOrDefault(x => x.Id == model.Id);
+
+            if (computer == null || !CheckAvailability(model.Id, count))
+            {
+                return false;
+            }
+
+            for (int i = 0; i < source.Shops.Count; i++)
+            {
+                var shop = source.Shops[i];
+                var computers = shop.ShopComputers;
+                foreach (var comp in computers.Where(x => x.Value.Item1.Id == computer.Id))
+                {
+                    var selling = Math.Min(comp.Value.Item2, count);
+                    computers[comp.Value.Item1.Id] = (comp.Value.Item1, comp.Value.Item2 - selling);
+
+                    count -= selling;
+
+                    if (count <= 0)
+                    {
+                        break;
+                    }
+                }
+                shop.Update(new ShopBindingModel
+                {
+                    Id = model.Id,
+                    ShopName = shop.ShopName,
+                    Address = shop.Address,
+                    MaxCount = shop.MaxCount,
+                    DateOpen = shop.DateOpen,
+                    ShopComputers = computers
+                });
+            }
+            source.SaveShops();
+            return true;
+        }
+    }
+}

ComputersShop/ComputerShopFileImplements/Models/Shop.cs

@@ -0,0 +1,102 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.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 ComputersShopFileImplements.Models
+{
+    public class Shop: IShopModel
+    {
+        public int Id { get; set; }
+        public string ShopName { get; set;}
+        public string Address { get; set;}
+        public DateTime DateOpen { get; set;}
+        public int MaxCount { get; set;}
+        public Dictionary<int, int> Computers { get; private set; } = new();
+        private Dictionary<int, (IComputerModel, int)>? _shopComputers = null;
+        public Dictionary<int, (IComputerModel, int)> ShopComputers
+        {
+            get
+            {
+                if (_shopComputers == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopComputers = Computers.ToDictionary(x => x.Key, y => ((source.Computers.FirstOrDefault(z => z.Id == y.Key) as IComputerModel)!, y.Value));
+                }
+                return _shopComputers;
+            }
+        }
+        public static Shop? Create(ShopBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                ShopName = model.ShopName,
+                Address = model.Address,
+                MaxCount = model.MaxCount,
+                DateOpen = model.DateOpen,
+                Computers = model.ShopComputers.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+        public static Shop? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                MaxCount = Convert.ToInt32(element.Element("MaxCount")!.Value),
+                ShopName = element.Element("ShopName")!.Value,
+                Address = element.Element("Address")!.Value,
+                DateOpen = Convert.ToDateTime(element.Element("DateOpen")!.Value),
+
+                Computers = element.Element("ShopComputers")!.Elements("ShopComputer").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;
+            Address = model.Address;
+            MaxCount = model.MaxCount;
+            DateOpen = model.DateOpen;
+            if (model.ShopComputers.Count > 0)
+            {
+                Computers = model.ShopComputers.ToDictionary(x => x.Key, x => x.Value.Item2);
+                _shopComputers = null;
+            }
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ShopName = ShopName,
+            Address = Address,
+            MaxCount = MaxCount,
+            DateOpen = DateOpen,
+            ShopComputers = ShopComputers
+        };
+        public XElement GetXElement => new("Shop",
+            new XAttribute("Id", Id),
+            new XElement("ShopName", ShopName),
+            new XElement("Address", Address.ToString()),
+            new XElement("MaxCount", MaxCount.ToString()),
+            new XElement("DateOpen", DateOpen.ToString()),
+            new XElement("ShopComputers", Computers.Select(x => new XElement("ShopComputer", new XElement("Key", x.Key),
+            new XElement("Value", x.Value))).ToArray()));
+    }
+}

ComputersShop/ComputersShop/FormMain.Designer.cs

@@ -32,12 +32,15 @@
             справочникиToolStripMenuItem = new ToolStripMenuItem();
             компонентыToolStripMenuItem = new ToolStripMenuItem();
             комьютерыToolStripMenuItem = new ToolStripMenuItem();
+            магазиныToolStripMenuItem = new ToolStripMenuItem();
             dataGridView = new DataGridView();
             buttonCreateOrder = new Button();
             buttonTakeOrderInWork = new Button();
             buttonOrderReady = new Button();
             buttonIssuedOrder = new Button();
             buttonUpdate = new Button();
+            buttonSupplyShop = new Button();
+            buttonSell = new Button();
             menuStrip.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
             SuspendLayout();
@@ -53,7 +56,7 @@
             // 
             // справочникиToolStripMenuItem
             // 
-            справочникиToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { компонентыToolStripMenuItem, комьютерыToolStripMenuItem });
+            справочникиToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { компонентыToolStripMenuItem, комьютерыToolStripMenuItem, магазиныToolStripMenuItem });
             справочникиToolStripMenuItem.Name = "справочникиToolStripMenuItem";
             справочникиToolStripMenuItem.Size = new Size(94, 20);
             справочникиToolStripMenuItem.Text = "Справочники";
@@ -72,6 +75,13 @@
             комьютерыToolStripMenuItem.Text = "Комьютеры";
             комьютерыToolStripMenuItem.Click += КомпьютерыToolStripMenuItem_Click;
             // 
+            // магазиныToolStripMenuItem
+            // 
+            магазиныToolStripMenuItem.Name = "магазиныToolStripMenuItem";
+            магазиныToolStripMenuItem.Size = new Size(145, 22);
+            магазиныToolStripMenuItem.Text = "Магазины";
+            магазиныToolStripMenuItem.Click += МагазиныToolStripMenuItem_Click;
+            // 
             // dataGridView
             // 
             dataGridView.AllowUserToAddRows = false;
@@ -138,11 +148,33 @@
             buttonUpdate.UseVisualStyleBackColor = true;
             buttonUpdate.Click += ButtonUpd_Click;
             // 
+            // buttonSupplyShop
+            // 
+            buttonSupplyShop.Location = new Point(792, 327);
+            buttonSupplyShop.Name = "buttonSupplyShop";
+            buttonSupplyShop.Size = new Size(180, 35);
+            buttonSupplyShop.TabIndex = 7;
+            buttonSupplyShop.Text = "Пополнение магазина";
+            buttonSupplyShop.UseVisualStyleBackColor = true;
+            buttonSupplyShop.Click += buttonSupplyShop_Click;
+            // 
+            // buttonSell
+            // 
+            buttonSell.Location = new Point(792, 387);
+            buttonSell.Name = "buttonSell";
+            buttonSell.Size = new Size(180, 35);
+            buttonSell.TabIndex = 8;
+            buttonSell.Text = "Продажа";
+            buttonSell.UseVisualStyleBackColor = true;
+            buttonSell.Click += buttonSell_Click;
+            // 
             // FormMain
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(984, 450);
+            Controls.Add(buttonSell);
+            Controls.Add(buttonSupplyShop);
             Controls.Add(buttonUpdate);
             Controls.Add(buttonIssuedOrder);
             Controls.Add(buttonOrderReady);
@@ -173,5 +205,8 @@
         private Button buttonOrderReady;
         private Button buttonIssuedOrder;
         private Button buttonUpdate;
+        private ToolStripMenuItem магазиныToolStripMenuItem;
+        private Button buttonSupplyShop;
+        private Button buttonSell;
     }
 }

ComputersShop/ComputersShop/FormMain.cs

@@ -68,6 +68,14 @@ namespace ComputersShop
                 form.ShowDialog();
             }
         }
+        private void МагазиныToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormShops));
+            if (service is FormShops form)
+            {
+                form.ShowDialog();
+            }
+        }
 
         private void ButtonCreateOrder_Click(object sender, EventArgs e)
         {
@@ -107,10 +115,12 @@ namespace ComputersShop
             if (dataGridView.SelectedRows.Count == 1)
             {
                 int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                var computerId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["ComputerId"].Value);
+                var count = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Count"].Value);
                 _logger.LogInformation("Order №{id}.  Status changes to 'Готов'", id);
                 try
                 {
-                    var operationResult = _orderLogic.FinishOrder(new OrderBindingModel { Id = id });
+                    var operationResult = _orderLogic.FinishOrder(new OrderBindingModel { Id = id, ComputerId = computerId, Count = count });
                     if (!operationResult)
                     {
                         throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
@@ -153,5 +163,23 @@ namespace ComputersShop
         {
             LoadData();
         }
+
+        private void buttonSupplyShop_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormShopSupply));
+            if (service is FormShopSupply form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void buttonSell_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSell));
+            if (service is FormSell form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

ComputersShop/ComputersShop/FormSell.Designer.cs

@@ -0,0 +1,119 @@
+namespace ComputersShop
+{
+    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()
+        {
+            labelComputer = new Label();
+            comboBoxComputer = new ComboBox();
+            buttonCancel = new Button();
+            buttonSave = new Button();
+            textBoxCount = new TextBox();
+            labelCount = new Label();
+            SuspendLayout();
+            // 
+            // labelComputer
+            // 
+            labelComputer.AutoSize = true;
+            labelComputer.Location = new Point(12, 9);
+            labelComputer.Name = "labelComputer";
+            labelComputer.Size = new Size(74, 15);
+            labelComputer.TabIndex = 23;
+            labelComputer.Text = "Компьютер:";
+            // 
+            // comboBoxComputer
+            // 
+            comboBoxComputer.FormattingEnabled = true;
+            comboBoxComputer.Location = new Point(90, 6);
+            comboBoxComputer.Margin = new Padding(3, 2, 3, 2);
+            comboBoxComputer.Name = "comboBoxComputer";
+            comboBoxComputer.Size = new Size(280, 23);
+            comboBoxComputer.TabIndex = 22;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(270, 70);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(100, 30);
+            buttonCancel.TabIndex = 19;
+            buttonCancel.Text = "Отменить";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(160, 70);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(100, 30);
+            buttonSave.TabIndex = 18;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
+            // textBoxCount
+            // 
+            textBoxCount.Location = new Point(90, 34);
+            textBoxCount.Name = "textBoxCount";
+            textBoxCount.Size = new Size(280, 23);
+            textBoxCount.TabIndex = 17;
+            // 
+            // labelCount
+            // 
+            labelCount.AutoSize = true;
+            labelCount.Location = new Point(12, 37);
+            labelCount.Name = "labelCount";
+            labelCount.Size = new Size(75, 15);
+            labelCount.TabIndex = 16;
+            labelCount.Text = "Количество:";
+            // 
+            // FormSell
+            // 
+            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(385, 116);
+            Controls.Add(labelComputer);
+            Controls.Add(comboBoxComputer);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(textBoxCount);
+            Controls.Add(labelCount);
+            Name = "FormSell";
+            Text = "FormSell";
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label labelComputer;
+        private ComboBox comboBoxComputer;
+        private Button buttonCancel;
+        private Button buttonSave;
+        private TextBox textBoxCount;
+        private Label labelCount;
+    }
+}

ComputersShop/ComputersShop/FormSell.cs

@@ -0,0 +1,124 @@
+using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.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 ComputersShop
+{
+    public partial class FormSell : Form
+    {
+        private readonly List<ComputerViewModel>? _computerList;
+        IShopLogic _shopLogic;
+        IComputerLogic _computerLogic;
+        public FormSell(IComputerLogic computerLogic, IShopLogic shopLogic)
+        {
+            InitializeComponent();
+            _computerLogic = computerLogic;
+            _shopLogic = shopLogic;
+            _computerList = computerLogic.ReadList(null);
+            if (_computerList != null)
+            {
+                comboBoxComputer.DisplayMember = "ComputerName";
+                comboBoxComputer.ValueMember = "Id";
+                comboBoxComputer.DataSource = _computerList;
+                comboBoxComputer.SelectedItem = null;
+            }
+        }
+
+        public int ComputerId
+        {
+            get
+            {
+                return Convert.ToInt32(comboBoxComputer.SelectedValue);
+            }
+            set
+            {
+                comboBoxComputer.SelectedValue = value;
+            }
+        }
+
+        public IComputerModel? ComputerModel
+        {
+            get
+            {
+                if (_computerList == null)
+                {
+                    return null;
+                }
+                foreach (var elem in _computerList)
+                {
+                    if (elem.Id == ComputerId)
+                    {
+                        return elem;
+                    }
+                }
+                return null;
+            }
+        }
+
+        public int Count
+        {
+            get
+            {
+                return Convert.ToInt32(textBoxCount.Text);
+            }
+            set
+            {
+                textBoxCount.Text = value.ToString();
+            }
+        }
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxComputer.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите компьютер", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            try
+            {
+                int count = Convert.ToInt32(textBoxCount.Text);
+
+                bool res = _shopLogic.MakeSell(_computerLogic.ReadElement(new()
+                {
+                    Id = Convert.ToInt32(comboBoxComputer.SelectedValue)
+                }),
+                    count
+                );
+
+                if (!res)
+                {
+                    throw new Exception("Ошибка при продаже.");
+                }
+
+                MessageBox.Show("Продажа прошла успешно");
+                DialogResult = DialogResult.OK;
+                Close();
+
+            }
+            catch (Exception err)
+            {
+                MessageBox.Show("Ошибка продажи");
+                return;
+            }
+        }
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            Close();
+        }
+    }
+}

ComputersShop/ComputersShop/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>

ComputersShop/ComputersShop/FormShop.Designer.cs

@@ -0,0 +1,212 @@
+namespace ComputersShop
+{
+    partial class FormShop
+    {
+        /// <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()
+        {
+            textBoxName = new TextBox();
+            labelAddress = new Label();
+            labelName = new Label();
+            DateTimePickerDateOpen = new DateTimePicker();
+            labelDateOpen = new Label();
+            dataGridView = new DataGridView();
+            ColumnId = new DataGridViewTextBoxColumn();
+            ColumnComputer = new DataGridViewTextBoxColumn();
+            ColumnCount = new DataGridViewTextBoxColumn();
+            buttonCancel = new Button();
+            buttonSave = new Button();
+            textBoxAddress = new TextBox();
+            labelMaxCount = new Label();
+            numericUpDownMaxCount = new NumericUpDown();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)numericUpDownMaxCount).BeginInit();
+            SuspendLayout();
+            // 
+            // textBoxName
+            // 
+            textBoxName.Location = new Point(105, 6);
+            textBoxName.Name = "textBoxName";
+            textBoxName.Size = new Size(235, 23);
+            textBoxName.TabIndex = 11;
+            // 
+            // labelAddress
+            // 
+            labelAddress.AutoSize = true;
+            labelAddress.Location = new Point(12, 42);
+            labelAddress.Name = "labelAddress";
+            labelAddress.Size = new Size(43, 15);
+            labelAddress.TabIndex = 9;
+            labelAddress.Text = "Адрес:";
+            // 
+            // labelName
+            // 
+            labelName.AutoSize = true;
+            labelName.Location = new Point(12, 9);
+            labelName.Name = "labelName";
+            labelName.Size = new Size(62, 15);
+            labelName.TabIndex = 8;
+            labelName.Text = "Название:";
+            // 
+            // DateTimePickerDateOpen
+            // 
+            DateTimePickerDateOpen.Location = new Point(105, 72);
+            DateTimePickerDateOpen.Name = "DateTimePickerDateOpen";
+            DateTimePickerDateOpen.Size = new Size(235, 23);
+            DateTimePickerDateOpen.TabIndex = 15;
+            // 
+            // labelDateOpen
+            // 
+            labelDateOpen.AutoSize = true;
+            labelDateOpen.Location = new Point(12, 75);
+            labelDateOpen.Name = "labelDateOpen";
+            labelDateOpen.Size = new Size(87, 15);
+            labelDateOpen.TabIndex = 16;
+            labelDateOpen.Text = "Дата открытия";
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToAddRows = false;
+            dataGridView.AllowUserToDeleteRows = false;
+            dataGridView.BackgroundColor = SystemColors.ButtonHighlight;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Columns.AddRange(new DataGridViewColumn[] { ColumnId, ColumnComputer, ColumnCount });
+            dataGridView.Location = new Point(12, 160);
+            dataGridView.MultiSelect = false;
+            dataGridView.Name = "dataGridView";
+            dataGridView.ReadOnly = true;
+            dataGridView.RowHeadersVisible = false;
+            dataGridView.RowTemplate.Height = 25;
+            dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridView.Size = new Size(535, 250);
+            dataGridView.TabIndex = 17;
+            // 
+            // ColumnId
+            // 
+            ColumnId.HeaderText = "Id";
+            ColumnId.Name = "ColumnId";
+            ColumnId.ReadOnly = true;
+            ColumnId.Visible = false;
+            // 
+            // ColumnComputer
+            // 
+            ColumnComputer.AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+            ColumnComputer.HeaderText = "Компьютер";
+            ColumnComputer.Name = "ColumnComputer";
+            ColumnComputer.ReadOnly = true;
+            // 
+            // ColumnCount
+            // 
+            ColumnCount.HeaderText = "Количество";
+            ColumnCount.Name = "ColumnCount";
+            ColumnCount.ReadOnly = true;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(445, 420);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(100, 30);
+            buttonCancel.TabIndex = 19;
+            buttonCancel.Text = "Отменить";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(335, 420);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(100, 30);
+            buttonSave.TabIndex = 18;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
+            // textBoxAddress
+            // 
+            textBoxAddress.Location = new Point(105, 39);
+            textBoxAddress.Name = "textBoxAddress";
+            textBoxAddress.Size = new Size(235, 23);
+            textBoxAddress.TabIndex = 20;
+            // 
+            // labelMaxCount
+            // 
+            labelMaxCount.AutoSize = true;
+            labelMaxCount.Location = new Point(12, 108);
+            labelMaxCount.Name = "labelMaxCount";
+            labelMaxCount.Size = new Size(80, 15);
+            labelMaxCount.TabIndex = 21;
+            labelMaxCount.Text = "Макс. кол-во";
+            // 
+            // numericUpDownMaxCount
+            // 
+            numericUpDownMaxCount.Location = new Point(105, 105);
+            numericUpDownMaxCount.Name = "numericUpDownMaxCount";
+            numericUpDownMaxCount.Size = new Size(235, 23);
+            numericUpDownMaxCount.TabIndex = 22;
+            // 
+            // FormShop
+            // 
+            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(559, 461);
+            Controls.Add(numericUpDownMaxCount);
+            Controls.Add(labelMaxCount);
+            Controls.Add(textBoxAddress);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(dataGridView);
+            Controls.Add(labelDateOpen);
+            Controls.Add(DateTimePickerDateOpen);
+            Controls.Add(textBoxName);
+            Controls.Add(labelAddress);
+            Controls.Add(labelName);
+            Name = "FormShop";
+            Text = "Магазин";
+            Load += FormShop_Load;
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            ((System.ComponentModel.ISupportInitialize)numericUpDownMaxCount).EndInit();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private TextBox textBoxName;
+        private Label labelAddress;
+        private Label labelName;
+        private DateTimePicker DateTimePickerDateOpen;
+        private Label labelDateOpen;
+        private DataGridView dataGridView;
+        private DataGridViewTextBoxColumn ColumnId;
+        private DataGridViewTextBoxColumn ColumnComputer;
+        private DataGridViewTextBoxColumn ColumnCount;
+        private Button buttonCancel;
+        private Button buttonSave;
+        private TextBox textBoxAddress;
+        private Label labelMaxCount;
+        private NumericUpDown numericUpDownMaxCount;
+    }
+}

ComputersShop/ComputersShop/FormShop.cs

@@ -0,0 +1,136 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopDataModels.Models;
+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 ComputersShop
+{
+    public partial class FormShop : Form
+    {
+        private readonly IShopLogic _logic;
+        private readonly ILogger _logger;
+        private Dictionary<int, (IComputerModel, int)> _shopComputers;
+        private int? _id;
+        public int Id { set { _id = value; } }
+
+        public FormShop(ILogger<FormShop> logger, IShopLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+            _shopComputers = new();
+        }
+
+        private void FormShop_Load(object sender, EventArgs e)
+        {
+            if (_id.HasValue)
+            {
+                _logger.LogInformation("Loading shop");
+
+                try
+                {
+                    var shop = _logic.ReadElement(new ShopSearchModel { Id = _id });
+
+                    if (shop != null)
+                    {
+                        textBoxName.Text = shop.ShopName;
+                        textBoxAddress.Text = shop.Address;
+                        DateTimePickerDateOpen.Value = shop.DateOpen;
+                        numericUpDownMaxCount.Value = shop.MaxCount;
+                        _shopComputers = shop.ShopComputers ?? new Dictionary<int, (IComputerModel, int)>();
+                        LoadData();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Error during loading shop");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void LoadData()
+        {
+            _logger.LogInformation("Loading shop's bouquets");
+
+            try
+            {
+                if (_shopComputers != null)
+                {
+                    dataGridView.Rows.Clear();
+                    foreach (var computer in _shopComputers)
+                    {
+                        dataGridView.Rows.Add(new object[] { computer.Key, computer.Value.Item1.ComputerName, computer.Value.Item2 });
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error during loading shop's computers");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxName.Text))
+            {
+                MessageBox.Show("Заполните название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (string.IsNullOrEmpty(textBoxAddress.Text))
+            {
+                MessageBox.Show("Заполните адрес", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            _logger.LogInformation("Saving shop");
+
+            try
+            {
+                var model = new ShopBindingModel
+                {
+                    Id = _id ?? 0,
+                    ShopName = textBoxName.Text,
+                    Address = textBoxAddress.Text,
+                    DateOpen = DateTimePickerDateOpen.Value,
+                    MaxCount = (int)numericUpDownMaxCount.Value,
+                    ShopComputers = _shopComputers
+                };
+
+                var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
+
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                }
+
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error during saving shop");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

ComputersShop/ComputersShop/FormShop.resx

@@ -0,0 +1,78 @@
+<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>
+  <metadata name="ColumnId.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ColumnComputer.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ColumnCount.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ColumnId.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ColumnComputer.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ColumnCount.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+</root>

ComputersShop/ComputersShop/FormShopSupply.Designer.cs

@@ -0,0 +1,147 @@
+namespace ComputersShop
+{
+    partial class FormShopSupply
+    {
+        /// <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();
+            buttonSave = new Button();
+            textBoxCount = new TextBox();
+            labelCount = new Label();
+            labelShop = new Label();
+            comboBoxShop = new ComboBox();
+            comboBoxComputer = new ComboBox();
+            labelComputer = new Label();
+            SuspendLayout();
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(270, 100);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(100, 30);
+            buttonCancel.TabIndex = 11;
+            buttonCancel.Text = "Отменить";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(160, 100);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(100, 30);
+            buttonSave.TabIndex = 10;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
+            // textBoxCount
+            // 
+            textBoxCount.Location = new Point(90, 64);
+            textBoxCount.Name = "textBoxCount";
+            textBoxCount.Size = new Size(280, 23);
+            textBoxCount.TabIndex = 9;
+            // 
+            // labelCount
+            // 
+            labelCount.AutoSize = true;
+            labelCount.Location = new Point(12, 67);
+            labelCount.Name = "labelCount";
+            labelCount.Size = new Size(75, 15);
+            labelCount.TabIndex = 7;
+            labelCount.Text = "Количество:";
+            // 
+            // labelShop
+            // 
+            labelShop.AutoSize = true;
+            labelShop.Location = new Point(12, 9);
+            labelShop.Name = "labelShop";
+            labelShop.Size = new Size(57, 15);
+            labelShop.TabIndex = 12;
+            labelShop.Text = "Магазин:";
+            // 
+            // comboBoxShop
+            // 
+            comboBoxShop.FormattingEnabled = true;
+            comboBoxShop.Location = new Point(90, 6);
+            comboBoxShop.Margin = new Padding(3, 2, 3, 2);
+            comboBoxShop.Name = "comboBoxShop";
+            comboBoxShop.Size = new Size(280, 23);
+            comboBoxShop.TabIndex = 13;
+            // 
+            // comboBoxComputer
+            // 
+            comboBoxComputer.FormattingEnabled = true;
+            comboBoxComputer.Location = new Point(90, 36);
+            comboBoxComputer.Margin = new Padding(3, 2, 3, 2);
+            comboBoxComputer.Name = "comboBoxComputer";
+            comboBoxComputer.Size = new Size(280, 23);
+            comboBoxComputer.TabIndex = 14;
+            // 
+            // labelComputer
+            // 
+            labelComputer.AutoSize = true;
+            labelComputer.Location = new Point(12, 39);
+            labelComputer.Name = "labelComputer";
+            labelComputer.Size = new Size(74, 15);
+            labelComputer.TabIndex = 15;
+            labelComputer.Text = "Компьютер:";
+            // 
+            // FormShopSupply
+            // 
+            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(384, 139);
+            Controls.Add(labelComputer);
+            Controls.Add(comboBoxComputer);
+            Controls.Add(comboBoxShop);
+            Controls.Add(labelShop);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(textBoxCount);
+            Controls.Add(labelCount);
+            Name = "FormShopSupply";
+            Text = "FormShopSupply";
+            Load += FormShopSupply_Load;
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Button buttonCancel;
+        private Button buttonSave;
+        private TextBox textBoxCount;
+        private TextBox textBoxName;
+        private Label labelCount;
+        private Label labelName;
+        private TextBox textBox1;
+        private Label labelShop;
+        private ComboBox comboBoxShop;
+        private ComboBox comboBoxComputer;
+        private Label labelComputer;
+    }
+}

ComputersShop/ComputersShop/FormShopSupply.cs

@@ -0,0 +1,127 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.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 ComputersShop
+{
+    public partial class FormShopSupply : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IComputerLogic _logicComputer;
+        private readonly IShopLogic _logicShop;
+
+        public FormShopSupply(ILogger<FormShopSupply> logger, IComputerLogic logicBouquet, IShopLogic logicShop)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicComputer = logicBouquet;
+            _logicShop = logicShop;
+        }
+
+        private void FormShopSupply_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Loading computers for supplying");
+
+            try
+            {
+                var list = _logicComputer.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxComputer.DisplayMember = "ComputerName";
+                    comboBoxComputer.ValueMember = "Id";
+                    comboBoxComputer.DataSource = list;
+                    comboBoxComputer.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error during loading bouquets for supplying");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+
+            _logger.LogInformation("Loading shops for supplying");
+
+            try
+            {
+                var list = _logicShop.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxShop.DisplayMember = "ShopName";
+                    comboBoxShop.ValueMember = "Id";
+                    comboBoxShop.DataSource = list;
+                    comboBoxShop.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error during loading shops for supplying");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (comboBoxComputer.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите букет", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (comboBoxShop.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите магазин", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            _logger.LogInformation("Creation of supply");
+
+            try
+            {
+                var operationResult = _logicShop.SupplyComputers(
+                    new ShopSearchModel { Id = Convert.ToInt32(comboBoxShop.SelectedValue), Name = comboBoxShop.Text },
+                    new ComputerBindingModel { Id = Convert.ToInt32(comboBoxComputer.SelectedValue), ComputerName = comboBoxComputer.Text },
+                    Convert.ToInt32(textBoxCount.Text)
+                );
+
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при создании поставки. Дополнительная информация в логах.");
+                }
+
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error during creation of supply");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

ComputersShop/ComputersShop/FormShopSupply.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>

ComputersShop/ComputersShop/FormShops.Designer.cs

@@ -0,0 +1,149 @@
+namespace ComputersShop
+{
+    partial class FormShops
+    {
+        /// <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()
+        {
+            DataGridViewCellStyle dataGridViewCellStyle1 = new DataGridViewCellStyle();
+            DataGridViewCellStyle dataGridViewCellStyle2 = new DataGridViewCellStyle();
+            DataGridViewCellStyle dataGridViewCellStyle3 = new DataGridViewCellStyle();
+            buttonReload = new Button();
+            buttonDelete = new Button();
+            buttonUpdate = new Button();
+            buttonAdd = new Button();
+            dataGridView = new DataGridView();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            SuspendLayout();
+            // 
+            // buttonReload
+            // 
+            buttonReload.Location = new Point(432, 123);
+            buttonReload.Name = "buttonReload";
+            buttonReload.Size = new Size(140, 30);
+            buttonReload.TabIndex = 13;
+            buttonReload.Text = "Обновить";
+            buttonReload.UseVisualStyleBackColor = true;
+            buttonReload.Click += buttonUpdate_Click;
+            // 
+            // buttonDelete
+            // 
+            buttonDelete.Location = new Point(432, 87);
+            buttonDelete.Name = "buttonDelete";
+            buttonDelete.Size = new Size(140, 30);
+            buttonDelete.TabIndex = 12;
+            buttonDelete.Text = "Удалить";
+            buttonDelete.UseVisualStyleBackColor = true;
+            buttonDelete.Click += buttonDelete_Click;
+            // 
+            // buttonUpdate
+            // 
+            buttonUpdate.Location = new Point(432, 51);
+            buttonUpdate.Name = "buttonUpdate";
+            buttonUpdate.Size = new Size(140, 30);
+            buttonUpdate.TabIndex = 11;
+            buttonUpdate.Text = "Изменить";
+            buttonUpdate.UseVisualStyleBackColor = true;
+            buttonUpdate.Click += buttonEdit_Click;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.Location = new Point(432, 15);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(140, 30);
+            buttonAdd.TabIndex = 10;
+            buttonAdd.Text = "Добавить";
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += buttonAdd_Click;
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToAddRows = false;
+            dataGridView.AllowUserToDeleteRows = false;
+            dataGridView.BackgroundColor = SystemColors.ButtonHighlight;
+            dataGridViewCellStyle1.Alignment = DataGridViewContentAlignment.MiddleLeft;
+            dataGridViewCellStyle1.BackColor = SystemColors.Control;
+            dataGridViewCellStyle1.Font = new Font("Segoe UI", 9F, FontStyle.Regular, GraphicsUnit.Point);
+            dataGridViewCellStyle1.ForeColor = SystemColors.WindowText;
+            dataGridViewCellStyle1.SelectionBackColor = SystemColors.Highlight;
+            dataGridViewCellStyle1.SelectionForeColor = SystemColors.HighlightText;
+            dataGridViewCellStyle1.WrapMode = DataGridViewTriState.True;
+            dataGridView.ColumnHeadersDefaultCellStyle = dataGridViewCellStyle1;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridViewCellStyle2.Alignment = DataGridViewContentAlignment.MiddleLeft;
+            dataGridViewCellStyle2.BackColor = SystemColors.Window;
+            dataGridViewCellStyle2.Font = new Font("Segoe UI", 9F, FontStyle.Regular, GraphicsUnit.Point);
+            dataGridViewCellStyle2.ForeColor = SystemColors.ControlText;
+            dataGridViewCellStyle2.SelectionBackColor = SystemColors.Highlight;
+            dataGridViewCellStyle2.SelectionForeColor = SystemColors.HighlightText;
+            dataGridViewCellStyle2.WrapMode = DataGridViewTriState.False;
+            dataGridView.DefaultCellStyle = dataGridViewCellStyle2;
+            dataGridView.Dock = DockStyle.Left;
+            dataGridView.Location = new Point(0, 0);
+            dataGridView.MultiSelect = false;
+            dataGridView.Name = "dataGridView";
+            dataGridView.ReadOnly = true;
+            dataGridViewCellStyle3.Alignment = DataGridViewContentAlignment.MiddleLeft;
+            dataGridViewCellStyle3.BackColor = SystemColors.Control;
+            dataGridViewCellStyle3.Font = new Font("Segoe UI", 9F, FontStyle.Regular, GraphicsUnit.Point);
+            dataGridViewCellStyle3.ForeColor = SystemColors.WindowText;
+            dataGridViewCellStyle3.SelectionBackColor = SystemColors.Highlight;
+            dataGridViewCellStyle3.SelectionForeColor = SystemColors.HighlightText;
+            dataGridViewCellStyle3.WrapMode = DataGridViewTriState.True;
+            dataGridView.RowHeadersDefaultCellStyle = dataGridViewCellStyle3;
+            dataGridView.RowHeadersVisible = false;
+            dataGridView.RowTemplate.Height = 25;
+            dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridView.Size = new Size(400, 361);
+            dataGridView.TabIndex = 9;
+            // 
+            // FormShops
+            // 
+            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(584, 361);
+            Controls.Add(buttonReload);
+            Controls.Add(buttonDelete);
+            Controls.Add(buttonUpdate);
+            Controls.Add(buttonAdd);
+            Controls.Add(dataGridView);
+            Name = "FormShops";
+            Text = "Магазины";
+            Load += FormShops_Load;
+            Click += FormShops_Load;
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private Button buttonReload;
+        private Button buttonDelete;
+        private Button buttonUpdate;
+        private Button buttonAdd;
+        private DataGridView dataGridView;
+    }
+}

ComputersShop/ComputersShop/FormShops.cs

@@ -0,0 +1,122 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicsContracts;
+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 ComputersShop
+{
+    public partial class FormShops : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IShopLogic _logic;
+
+        public FormShops(ILogger<FormShops> logger, IShopLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+
+        private void FormShops_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void LoadData()
+        {
+            try
+            {
+                var list = _logic.ReadList(null);
+
+                if (list != null)
+                {
+                    dataGridView.DataSource = list;
+                    dataGridView.Columns["Id"].Visible = false;
+                    dataGridView.Columns["ShopName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                    dataGridView.Columns["Address"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                    dataGridView.Columns["DateOpen"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                    dataGridView.Columns["ShopComputers"].Visible = false;
+                }
+
+                _logger.LogInformation("Loading shops");
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error during loading shops");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonUpdate_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void buttonAdd_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormShop));
+
+            if (service is FormShop form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
+
+        private void buttonEdit_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormShop));
+
+                if (service is FormShop form)
+                {
+                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        LoadData();
+                    }
+                }
+            }
+        }
+
+        private void buttonDelete_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить магазин?", "Подтверждение", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Deleting shop");
+
+                    try
+                    {
+                        if (!_logic.Delete(new ShopBindingModel { Id = id }))
+                        {
+                            throw new Exception("Ошибка при удалении. Дополнительная информация в логах.");
+                        }
+
+                        LoadData();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Error during deleting shop");
+                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+    }
+}

ComputersShop/ComputersShop/FormShops.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>

ComputersShop/ComputersShop/Program.cs

@@ -1,5 +1,6 @@
 using ComputersShopBusinessLogic.BusinessLogics;
 using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.StoragesContracts;
 using ComputersShopDatabaseImplements.Implements;
 using Microsoft.Extensions.DependencyInjection;
@@ -37,10 +38,12 @@ namespace ComputersShop
             services.AddTransient<IComponentStorage, ComponentStorage>();
             services.AddTransient<IOrderStorage, OrderStorage>();
             services.AddTransient<IComputerStorage, ComputerStorage>();
+			services.AddTransient<IShopStorage, ShopStorage>();
 
 			services.AddTransient<IComponentLogic, ComponentLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
             services.AddTransient<IComputerLogic, ComputerLogic>();
+			services.AddTransient<IShopLogic, ShopLogic>();
 
 			services.AddTransient<FormMain>();
             services.AddTransient<FormComponent>();
@@ -49,6 +52,10 @@ namespace ComputersShop
             services.AddTransient<FormComputer>();
             services.AddTransient<FormComputerComponent>();
             services.AddTransient<FormComputers>();
+			services.AddTransient<FormShop>();
+			services.AddTransient<FormShops>();
+			services.AddTransient<FormShopSupply>();
+			services.AddTransient<FormSell>();
 		}
     }
 }

ComputersShop/ComputersShopBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -1,9 +1,11 @@
 using ComputersShopContracts.BindingModels;
 using ComputersShopContracts.BuisnessLogicsContracts;
+using ComputersShopContracts.BusinessLogicsContracts;
 using ComputersShopContracts.SearchModels;
 using ComputersShopContracts.StoragesContracts;
 using ComputersShopContracts.ViewModels;
 using ComputersShopDataModels.Enums;
+using ComputersShopDataModels.Models;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
@@ -17,10 +19,18 @@ namespace ComputersShopBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
-        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        private readonly IShopStorage _shopStorage;
+        private readonly IShopLogic _shopLogic;
+        private readonly IComputerStorage _computerStorage;
+
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage,
+            IShopStorage shopStorage, IShopLogic shopLogic, IComputerStorage computerStorage)
         {
             _logger = logger;
             _orderStorage = orderStorage;
+            _shopStorage = shopStorage;
+            _shopLogic = shopLogic;
+            _computerStorage = computerStorage;
         }
         public List<OrderViewModel>? ReadList(OrderSearchModel? model)
         {
@@ -63,25 +73,26 @@ namespace ComputersShopBusinessLogic.BusinessLogics
                 return false;
             }
 
+            if (newStatus == OrderStatus.Готов)
+            {
+                var computer = _computerStorage.GetElement(new ComputerSearchModel() { Id = model.ComputerId });
+                if (computer == null)
+                {
+                    _logger.LogWarning("Status change error. Dress not found");
+                    return false;
+                }
+                if (!CheckSupply(computer, model.Count))
+                {
+                    _logger.LogWarning("Status change error. Shop doesnt have dresses");
+                    return false;
+                }
+            }
             model.Status = newStatus;
-            model.ComputerId = viewModel.ComputerId;
-            model.Count = viewModel.Count;
-            model.Sum = viewModel.Sum;
-            model.DateCreate = viewModel.DateCreate;
-            if (model.Status == OrderStatus.Готов)
+            if (model.Status == OrderStatus.Выдан)
             {
                 model.DateImplement = DateTime.Now;
             }
-            else
-            {
-                model.DateImplement = viewModel.DateImplement;
-            }
-            CheckModel(model, false);
-            if (_orderStorage.Update(model) == null)
-            {
-                _logger.LogWarning("Status change operation failed");
-                return false;
-            }
+            _orderStorage.Update(model);
             return true;
         }
         public bool TakeOrderInWork(OrderBindingModel model)
@@ -120,5 +131,64 @@ namespace ComputersShopBusinessLogic.BusinessLogics
             }
             _logger.LogInformation("Order. Id:{Id}. Sum:{Sum}. ComputerId:{ComputerId}", model.Id, model.Sum, model.ComputerId);
         }
+        public bool CheckSupply(IComputerModel computer, int count)
+        {
+            if (count <= 0)
+            {
+                _logger.LogWarning("Check supply operation error. Dress count < 0");
+                return false;
+            }
+            int sumCapacity = _shopStorage.GetFullList().Select(x => x.MaxCount).Sum();
+            int sumCount = _shopStorage.GetFullList().Select(x => x.ShopComputers.Select(y => y.Value.Item2).Sum()).Sum();
+            int free = sumCapacity - sumCount;
+
+            if (free < count)
+            {
+                _logger.LogWarning("Check supply error. No place for new Computers");
+                return false;
+            }
+            foreach (var shop in _shopStorage.GetFullList())
+            {
+                free = shop.MaxCount;
+                foreach (var comp in shop.ShopComputers)
+                {
+                    free -= comp.Value.Item2;
+                }
+                if (free == 0)
+                {
+                    continue;
+                }
+                if (free >= count)
+                {
+                    if (_shopLogic.SupplyComputers(new()
+                    {
+                        Id = shop.Id
+                    }, computer, count))
+                    {
+                        count = 0;
+                    }
+                    else
+                    {
+                        _logger.LogWarning("Supply error");
+                        return false;
+                    }
+                }
+                else
+                {
+                    if (_shopLogic.SupplyComputers(new() { Id = shop.Id }, computer, free))
+                        count -= free;
+                    else
+                    {
+                        _logger.LogWarning("Supply error");
+                        return false;
+                    }
+                }
+                if (count <= 0)
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
     }
 }

ComputersShop/ComputersShopBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -0,0 +1,173 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.BusinessLogicsContracts;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopBusinessLogic.BusinessLogics
+{
+	public class ShopLogic: IShopLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IShopStorage _shopStorage;
+
+		public ShopLogic(ILogger<ShopLogic> logger, IShopStorage shopStorage)
+		{
+			_logger = logger;
+			_shopStorage = shopStorage;
+		}
+
+		public List<ShopViewModel>? ReadList(ShopSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. Id:{Id} Name:{Name}", model?.Id, model?.Name);
+			var list = model == null ? _shopStorage.GetFullList() : _shopStorage.GetFiltredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		public ShopViewModel? ReadElement(ShopSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ShopName:{ShopName}. Id:{Id}", model.Name, model.Id);
+			var element = _shopStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+		public bool Create(ShopBindingModel model)
+		{
+			CheckModel(model);
+			if (_shopStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Update(ShopBindingModel model)
+		{
+			CheckModel(model);
+			if (_shopStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(ShopBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_shopStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+		private void CheckModel(ShopBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.ShopName))
+			{
+				throw new ArgumentNullException("Нет названия магазина", nameof(model.ShopName));
+			}
+			if (string.IsNullOrEmpty(model.Address))
+			{
+				throw new ArgumentNullException("Нет адреса магазина", nameof(model.Address));
+			}
+
+			_logger.LogInformation("Computer. ComputerName:{ComputerName}. Cost:{Cost}. Id:{Id}", model.ShopName, model.Address, model.Id);
+
+			var element = _shopStorage.GetElement(new ShopSearchModel
+			{
+				Name = model.ShopName
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Магазин с таким названием уже есть");
+			}
+		}
+		public bool MakeSell(IComputerModel model, int count)
+		{
+			return _shopStorage.SellComputers(model, count);
+		}
+
+		public bool SupplyComputers(ShopSearchModel model, IComputerModel computer, int count)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (computer == null)
+			{
+				throw new ArgumentNullException(nameof(computer));
+			}
+			if (count <= 0)
+			{
+				throw new ArgumentNullException("Количесво товара должно быть больше 0");
+			}
+
+			ShopViewModel? currentShop = _shopStorage.GetElement(model);
+			if (currentShop == null)
+			{
+				throw new ArgumentNullException(nameof(currentShop));
+			}
+			_logger.LogInformation("Make Supply. Id: {Id}. ShopName: {Name}", model.Id, model.Name);
+
+			var countItems = currentShop.ShopComputers.Select(x => x.Value.Item2).Sum();
+			if (currentShop.MaxCount - countItems < count)
+			{
+				_logger.LogWarning("Shop is full");
+				return false;
+			}
+
+			if (currentShop.ShopComputers.TryGetValue(computer.Id, out var pair))
+			{
+				currentShop.ShopComputers[computer.Id] = (pair.Item1, pair.Item2 + count);
+				_logger.LogInformation("Add computers. ComputerName: {Name}. Count: {Name}", pair.Item1, pair.Item2 + count);
+			}
+			else
+			{
+				currentShop.ShopComputers.Add(computer.Id, (computer, count));
+				_logger.LogInformation("Add new computers. ComputerName: {Name}. Count: {Name}", pair.Item1, count);
+			}
+
+			return Update(new()
+			{
+				Id = currentShop.Id,
+				ShopName = currentShop.ShopName,
+				DateOpen = currentShop.DateOpen,
+				Address = currentShop.Address,
+				MaxCount = currentShop.MaxCount,
+				ShopComputers = currentShop.ShopComputers,
+			});
+		}
+	}
+}

ComputersShop/ComputersShopContracts/BindingModels/ShopBindingModel.cs

@@ -0,0 +1,20 @@
+using ComputersShopDataModels.Enums;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.BindingModels
+{
+	public class ShopBindingModel: IShopModel
+	{
+		public int Id { get; set; }
+		public string ShopName { get; set; }
+		public string Address { get; set; }
+		public DateTime DateOpen { get; set; } = DateTime.Now;
+		public int MaxCount { get; set; }
+		public Dictionary<int, (IComputerModel, int)> ShopComputers{ get; set; } = new();
+	}
+}

ComputersShop/ComputersShopContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -0,0 +1,23 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.BusinessLogicsContracts
+{
+	public interface IShopLogic
+	{
+		ShopViewModel? ReadElement(ShopSearchModel model);
+		List<ShopViewModel>? ReadList(ShopSearchModel? model);
+		bool Create(ShopBindingModel model);
+		bool Update(ShopBindingModel model);
+		bool Delete(ShopBindingModel model);
+		bool SupplyComputers(ShopSearchModel model, IComputerModel computer, int count);
+        bool MakeSell(IComputerModel model, int count);
+    }
+}

ComputersShop/ComputersShopContracts/SearchModels/ShopSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.SearchModels
+{
+	public class ShopSearchModel
+	{
+		public int? Id { get; set; }
+		public string? Name { get; set; }
+	}
+}

ComputersShop/ComputersShopContracts/StoragesContracts/IShopStorage.cs

@@ -0,0 +1,23 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.StoragesContracts
+{
+	public interface IShopStorage
+	{
+		List<ShopViewModel> GetFullList();
+		List<ShopViewModel> GetFiltredList(ShopSearchModel model);
+		ShopViewModel? GetElement(ShopSearchModel model);
+		ShopViewModel? Insert(ShopBindingModel model);
+		ShopViewModel? Update(ShopBindingModel model);
+		ShopViewModel? Delete(ShopBindingModel model);
+        bool SellComputers(IComputerModel model, int count);
+    }
+}

ComputersShop/ComputersShopContracts/ViewModels/ShopViewModel.cs

@@ -0,0 +1,27 @@
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopContracts.ViewModels
+{
+	public class ShopViewModel: IShopModel
+	{
+		public int Id { get; set; }
+
+		[DisplayName("Название магазина")]
+		public string ShopName { get; set; } = string.Empty;
+
+		[DisplayName("Адресс")]
+		public string Address { get; set; } = string.Empty;
+		[DisplayName("Дата открытия")]
+		public DateTime DateOpen { get; set; } = DateTime.Now;
+        [DisplayName("Макс кол-во компьютеров")]
+        public int MaxCount { get; set; }
+
+        public Dictionary<int, (IComputerModel, int)> ShopComputers { get; set; } = new();
+	}
+}

ComputersShop/ComputersShopDataModels/Models/IShopModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopDataModels.Models
+{
+	public interface IShopModel: IId
+	{
+		string ShopName { get; }
+		string Address { get; }
+		DateTime DateOpen { get; }
+		int MaxCount { get; }
+	}
+}

ComputersShop/ComputersShopListImplement/DataListSingleton.cs

@@ -13,11 +13,13 @@ namespace ComputersShopListImplement
         public  List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Computer> Computers { get; set; }
+		public List<Shop> Shops { get; set; }
 		private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Computers = new List<Computer>();
+            Shops = new List<Shop>();
         }
         public static DataListSingleton GetInstance()
         {

ComputersShop/ComputersShopListImplement/Implements/ShopStorage.cs

@@ -0,0 +1,115 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.SearchModels;
+using ComputersShopContracts.StoragesContracts;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using ComputersShopListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement.Implements
+{
+	public class ShopStorage: IShopStorage
+	{
+		private readonly DataListSingleton _source;
+		public ShopStorage()
+		{
+			_source = DataListSingleton.GetInstance();
+		}
+		public List<ShopViewModel> GetFullList()
+		{
+			var result = new List<ShopViewModel>();
+			foreach (var shop in _source.Shops)
+			{
+				result.Add(shop.GetViewModel);
+			}
+			return result;
+		}
+		public List<ShopViewModel> GetFiltredList(ShopSearchModel model)
+		{
+			var result = new List<ShopViewModel>();
+			if (string.IsNullOrEmpty(model.Name))
+			{
+				return result;
+			}
+			foreach (var shop in _source.Shops)
+			{
+				if (shop.ShopName.Contains(model.Name))
+				{
+					result.Add(shop.GetViewModel);
+				}
+			}
+			return result;
+		}
+		public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            foreach (var shop in _source.Shops)
+            {
+                if ((!string.IsNullOrEmpty(model.Name)
+                    && shop.ShopName == model.Name) || (model.Id.HasValue && shop.Id == model.Id))
+                {
+                    return shop.GetViewModel;
+                }
+            }
+            return null;
+        }
+		public ShopViewModel? Insert(ShopBindingModel model)
+		{
+			model.Id = 1;
+			foreach (var shop in _source.Shops)
+			{
+				if (model.Id <= shop.Id)
+				{
+					model.Id = shop.Id + 1;
+				}
+			}
+			var newShop = Shop.Create(model);
+			if (newShop == null)
+			{
+				return null;
+			}
+			_source.Shops.Add(newShop);
+			return newShop.GetViewModel;
+		}
+		public ShopViewModel? Update(ShopBindingModel model)
+		{
+			foreach (var shop in _source.Shops)
+			{
+				if (shop.Id == model.Id)
+				{
+					shop.Update(model);
+					return shop.GetViewModel;
+				}
+			}
+			return null;
+		}
+		public ShopViewModel? Delete(ShopBindingModel model)
+		{
+			for (int i = 0; i < _source.Shops.Count; ++i)
+			{
+				if (_source.Shops[i].Id == model.Id)
+				{
+					var element = _source.Shops[i];
+					_source.Shops.RemoveAt(i);
+					return element.GetViewModel;
+				}
+			}
+			return null;
+		}
+        public bool CheckAvailability(int computerId, int count)
+        {
+            return true;
+        }
+        public bool SellComputers(IComputerModel model, int count)
+        {
+            return true;
+        }
+    }
+}

ComputersShop/ComputersShopListImplement/Models/Shop.cs

@@ -0,0 +1,60 @@
+using ComputersShopContracts.BindingModels;
+using ComputersShopContracts.ViewModels;
+using ComputersShopDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputersShopListImplement.Models
+{
+	public class Shop: IShopModel
+	{
+		public int Id { get; private set; }
+        public string ShopName { get; private set; }
+        public string Address { get; private set; }
+        public DateTime DateOpen { get; private set; }
+        public int MaxCount { get; private set; }
+        public Dictionary<int, (IComputerModel, int)> ShopComputers { get; private set; } = new();
+
+		public static Shop? Create(ShopBindingModel model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new Shop()
+			{
+				Id = model.Id,
+				ShopName = model.ShopName,
+				Address = model.Address,
+				DateOpen = model.DateOpen,
+				MaxCount = model.MaxCount,
+				ShopComputers = new()
+			};
+		} 
+		public void Update(ShopBindingModel model)
+		{
+			if (model == null)
+			{
+				return;
+			}
+			ShopName = model.ShopName;
+			Address = model.Address;
+			DateOpen = model.DateOpen;
+            MaxCount = model.MaxCount;
+			ShopComputers = model.ShopComputers;
+		}
+
+		public ShopViewModel GetViewModel => new()
+		{
+			Id = Id,
+			ShopName = ShopName,
+			Address = Address,
+			DateOpen = DateOpen,
+            MaxCount = MaxCount,
+            ShopComputers = ShopComputers
+		};
+	}
+}