IceCreamShop/IceCreamBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -17,11 +17,15 @@ namespace IceCreamBusinessLogic.BusinessLogics
     {
         private readonly ILogger _logger;
         private readonly IOrderStorage _orderStorage;
+        private readonly IShopLogic _shopLogic;
+        private readonly IIceCreamStorage _iceCreamStorage;
 
-        public OrderLogic(IOrderStorage orderStorage, ILogger<OrderLogic> logger)
+        public OrderLogic(IOrderStorage orderStorage, IShopLogic shopLogic, IIceCreamStorage iceCreamStorage, ILogger<OrderLogic> logger)
         {
             _orderStorage = orderStorage;
             _logger = logger;
+            _shopLogic = shopLogic;
+            _iceCreamStorage = iceCreamStorage;
         }
 
         public bool CreateOrder(OrderBindingModel model)
@@ -104,32 +108,42 @@ namespace IceCreamBusinessLogic.BusinessLogics
 
             if (viewModel == null)
             {
-                _logger.LogWarning("Order model not found");
-                return false;
+                throw new ArgumentNullException(nameof(orderModel));
             }
 
-            OrderBindingModel model = new OrderBindingModel
-            {
-                Id = viewModel.Id,
-                IceCreamId = viewModel.IceCreamId,
-                IceCreamName = viewModel.IceCreamName,
-                Status = viewModel.Status,
-                DateCreate = viewModel.DateCreate,
-                DateImplement = viewModel.DateImplement,
-                Count = viewModel.Count,
-                Sum = viewModel.Sum
-            };
-            CheckModel(model);
-            if (model.Status + 1 != newStatus)
+            if (viewModel.Status + 1 != newStatus)
             {
                 _logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Order status incorrect.");
                 return false;
             }
-            model.Status = newStatus;
-            if (model.Status == OrderStatus.Выдан) model.DateImplement = DateTime.Now;
-            if (_orderStorage.Update(model) == null)
+            orderModel.Status = newStatus;
+
+            if (orderModel.Status == OrderStatus.Готов)
             {
-                model.Status--;
+                orderModel.DateImplement = DateTime.Now;
+
+                var iceCream = _iceCreamStorage.GetElement(new() { Id = viewModel.IceCreamId });
+
+                if (iceCream == null)
+                {
+                    throw new ArgumentNullException(nameof(iceCream));
+                }
+
+                if (!_shopLogic.SupplyIceCreams(iceCream, viewModel.Count))
+                {
+                    throw new Exception($"SupplyIceCreams operation failed. Store is full.");
+                }
+            }
+            else
+            {
+                orderModel.DateImplement = viewModel.DateImplement;
+            }
+
+            CheckModel(orderModel);
+            
+            if (_orderStorage.Update(orderModel) == null)
+            {
+                orderModel.Status--;
                 _logger.LogWarning("Update operation failed");
                 return false;
             }

IceCreamShop/IceCreamBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -10,6 +10,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Reflection.Metadata;
 
 namespace IceCreamBusinessLogic.BusinessLogics
 {
@@ -72,7 +73,7 @@ namespace IceCreamBusinessLogic.BusinessLogics
             {
                 throw new ArgumentNullException("Count of icecreams in supply must be more than 0", nameof(count));
             }
-
+            _logger.LogInformation("SupplyIceCreams. ShopName:{0}.Id:{ 1}", model.Name, model.Id);
             var shopElement = _shopStorage.GetElement(model);
             if (shopElement == null)
             {
@@ -81,29 +82,94 @@ namespace IceCreamBusinessLogic.BusinessLogics
             }
             _logger.LogInformation("Shop element found. ID: {0}, Name: {1}", shopElement.Id, shopElement.Name);
 
-            if (shopElement.ShopIceCreams.TryGetValue(iceCream.Id, out var sameDocument))
+            var countIceCreams = 0;
+            foreach (var icecream in shopElement.ShopIceCreams)
             {
-                shopElement.ShopIceCreams[iceCream.Id] = (iceCream, sameDocument.Item2 + count);
-                _logger.LogInformation("Same icecream found by supply. Added {0} of {1} in {2} shop", count, iceCream.IceCreamName, shopElement.Name);
+                countIceCreams += icecream.Value.Item2;
             }
+            if (shopElement.IceCreamMaxCount - countIceCreams >= count)
+            {
+                if (shopElement.ShopIceCreams.TryGetValue(iceCream.Id, out var sameIceCream))
+                {
+                    shopElement.ShopIceCreams[iceCream.Id] = (iceCream, sameIceCream.Item2 + count);
+                    _logger.LogInformation("Same iceCream found by supply. Added {0} of {1} in {2} shop", count, iceCream.IceCreamName, shopElement.Name);
+                }
+                else
+                {
+                    shopElement.ShopIceCreams[iceCream.Id] = (iceCream, count);
+                    _logger.LogInformation("New iceCream added by supply. Added {0} of {1} in {2} shop", count, iceCream.IceCreamName, shopElement.Name);
+                }
+                _shopStorage.Update(new()
+                {
+                    Id = shopElement.Id,
+                    Name = shopElement.Name,
+                    Adress = shopElement.Adress,
+                    OpeningDate = shopElement.OpeningDate,
+                    ShopIceCreams = shopElement.ShopIceCreams,
+                    IceCreamMaxCount = shopElement.IceCreamMaxCount
+                });
+            }
+
             else
             {
-                shopElement.ShopIceCreams[iceCream.Id] = (iceCream, count);
-                _logger.LogInformation("New icecream added by supply. Added {0} of {1} in {2} shop", count, iceCream.IceCreamName, shopElement.Name);
+                _logger.LogWarning("Required shop is overflowed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool SupplyIceCreams(IIceCreamModel iceCream, int count)
+        {
+            if (iceCream == null)
+            {
+                throw new ArgumentNullException(nameof(iceCream));
             }
 
-            _shopStorage.Update(new()
+            if (count <= 0)
             {
-                Id = shopElement.Id,
-                Name = shopElement.Name,
-                Adress = shopElement.Adress,
-                OpeningDate = shopElement.OpeningDate,
-                ShopIceCreams = shopElement.ShopIceCreams
-            });
+                throw new ArgumentException("Count of icecreams in supply must be more than 0", nameof(count));
+            }
 
+            var freePlaces = _shopStorage.GetFullList()
+                .Select(x => x.IceCreamMaxCount - x.ShopIceCreams
+                .Select(p => p.Value.Item2).Sum()).Sum() - count;
+
+            if (freePlaces < 0)
+            {
+                _logger.LogInformation("SupplyIceCreams. Failed to add icecreams to store. It's full.");
+                return false;
+            }
+
+            foreach (var shop in _shopStorage.GetFullList())
+            {
+                var temp = Math.Min(count, shop.IceCreamMaxCount - shop.ShopIceCreams.Select(x => x.Value.Item2).Sum());
+
+                if (temp <= 0)
+                {
+                    continue;
+                }
+
+                if (!SupplyIceCreams(new() { Id = shop.Id }, iceCream, temp))
+                {
+                    _logger.LogWarning("An error occurred while adding iceCream to stores");
+                    return false;
+                }
+
+                count -= temp;
+
+                if (count == 0)
+                {
+                    return true;
+                }
+            }
             return true;
         }
 
+        public bool SellIceCreams(IIceCreamModel package, int quantity)
+        {
+            return _shopStorage.SellIceCreams(package, quantity);
+        }
+
         public bool Create(ShopBindingModel model)
         {
             CheckModel(model);

IceCreamShop/IceCreamShop/FormMain.Designer.cs

@@ -40,6 +40,7 @@
             this.мороженоеToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.магазиныToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.buttonSupplyShop = new System.Windows.Forms.Button();
+            this.SellIceCreamButton = new System.Windows.Forms.Button();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.menuStrip.SuspendLayout();
             this.SuspendLayout();
@@ -135,21 +136,21 @@
             // компонентыToolStripMenuItem
             // 
             this.компонентыToolStripMenuItem.Name = "компонентыToolStripMenuItem";
-            this.компонентыToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.компонентыToolStripMenuItem.Size = new System.Drawing.Size(145, 22);
             this.компонентыToolStripMenuItem.Text = "Компоненты";
             this.компонентыToolStripMenuItem.Click += new System.EventHandler(this.компонентыToolStripMenuItem_Click);
             // 
             // мороженоеToolStripMenuItem
             // 
             this.мороженоеToolStripMenuItem.Name = "мороженоеToolStripMenuItem";
-            this.мороженоеToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.мороженоеToolStripMenuItem.Size = new System.Drawing.Size(145, 22);
             this.мороженоеToolStripMenuItem.Text = "Мороженое";
             this.мороженоеToolStripMenuItem.Click += new System.EventHandler(this.мороженоеToolStripMenuItem_Click);
             // 
             // магазиныToolStripMenuItem
             // 
             this.магазиныToolStripMenuItem.Name = "магазиныToolStripMenuItem";
-            this.магазиныToolStripMenuItem.Size = new System.Drawing.Size(180, 22);
+            this.магазиныToolStripMenuItem.Size = new System.Drawing.Size(145, 22);
             this.магазиныToolStripMenuItem.Text = "Магазины";
             this.магазиныToolStripMenuItem.Click += new System.EventHandler(this.магазиныToolStripMenuItem_Click);
             // 
@@ -164,11 +165,23 @@
             this.buttonSupplyShop.UseVisualStyleBackColor = true;
             this.buttonSupplyShop.Click += new System.EventHandler(this.buttonSupplyShop_Click);
             // 
+            // SellIceCreamButton
+            // 
+            this.SellIceCreamButton.Location = new System.Drawing.Point(878, 231);
+            this.SellIceCreamButton.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
+            this.SellIceCreamButton.Name = "SellIceCreamButton";
+            this.SellIceCreamButton.Size = new System.Drawing.Size(170, 37);
+            this.SellIceCreamButton.TabIndex = 15;
+            this.SellIceCreamButton.Text = "Продажа мороженого";
+            this.SellIceCreamButton.UseVisualStyleBackColor = true;
+            this.SellIceCreamButton.Click += new System.EventHandler(this.SellIceCreamButton_Click);
+            // 
             // FormMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(1072, 347);
+            this.Controls.Add(this.SellIceCreamButton);
             this.Controls.Add(this.buttonSupplyShop);
             this.Controls.Add(this.buttonUpdate);
             this.Controls.Add(this.buttonSetToFinish);
@@ -202,5 +215,6 @@
         private ToolStripMenuItem мороженоеToolStripMenuItem;
         private ToolStripMenuItem магазиныToolStripMenuItem;
         private Button buttonSupplyShop;
+        private Button SellIceCreamButton;
     }
 }

IceCreamShop/IceCreamShop/FormMain.cs

@@ -181,5 +181,15 @@ namespace IceCreamShopView
                 form.ShowDialog();
             }
         }
+
+        private void SellIceCreamButton_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormSellIceCream));
+
+            if (service is FormSellIceCream form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

IceCreamShop/IceCreamShop/FormSellIceCream.Designer.cs

@@ -0,0 +1,119 @@
+namespace IceCreamShopView
+{
+    partial class FormSellIceCream
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.ButtonCancel = new System.Windows.Forms.Button();
+            this.SaveButton = new System.Windows.Forms.Button();
+            this.QuantityTextBox = new System.Windows.Forms.TextBox();
+            this.IceCreamСomboBox = new System.Windows.Forms.ComboBox();
+            this.QuantityLabel = new System.Windows.Forms.Label();
+            this.IceCreamLabel = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // ButtonCancel
+            // 
+            this.ButtonCancel.Location = new System.Drawing.Point(169, 97);
+            this.ButtonCancel.Name = "ButtonCancel";
+            this.ButtonCancel.Size = new System.Drawing.Size(97, 29);
+            this.ButtonCancel.TabIndex = 11;
+            this.ButtonCancel.Text = "Отмена";
+            this.ButtonCancel.UseVisualStyleBackColor = true;
+            this.ButtonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // SaveButton
+            // 
+            this.SaveButton.Location = new System.Drawing.Point(66, 97);
+            this.SaveButton.Name = "SaveButton";
+            this.SaveButton.Size = new System.Drawing.Size(97, 29);
+            this.SaveButton.TabIndex = 10;
+            this.SaveButton.Text = "Сохранить";
+            this.SaveButton.UseVisualStyleBackColor = true;
+            this.SaveButton.Click += new System.EventHandler(this.SaveButton_Click);
+            // 
+            // QuantityTextBox
+            // 
+            this.QuantityTextBox.Location = new System.Drawing.Point(82, 45);
+            this.QuantityTextBox.Name = "QuantityTextBox";
+            this.QuantityTextBox.Size = new System.Drawing.Size(184, 23);
+            this.QuantityTextBox.TabIndex = 9;
+            // 
+            // IceCreamСomboBox
+            // 
+            this.IceCreamСomboBox.FormattingEnabled = true;
+            this.IceCreamСomboBox.Location = new System.Drawing.Point(82, 12);
+            this.IceCreamСomboBox.Name = "IceCreamСomboBox";
+            this.IceCreamСomboBox.Size = new System.Drawing.Size(184, 23);
+            this.IceCreamСomboBox.TabIndex = 8;
+            // 
+            // QuantityLabel
+            // 
+            this.QuantityLabel.AutoSize = true;
+            this.QuantityLabel.Location = new System.Drawing.Point(6, 48);
+            this.QuantityLabel.Name = "QuantityLabel";
+            this.QuantityLabel.Size = new System.Drawing.Size(75, 15);
+            this.QuantityLabel.TabIndex = 7;
+            this.QuantityLabel.Text = "Количество:";
+            // 
+            // IceCreamLabel
+            // 
+            this.IceCreamLabel.AutoSize = true;
+            this.IceCreamLabel.Location = new System.Drawing.Point(6, 15);
+            this.IceCreamLabel.Name = "IceCreamLabel";
+            this.IceCreamLabel.Size = new System.Drawing.Size(74, 15);
+            this.IceCreamLabel.TabIndex = 6;
+            this.IceCreamLabel.Text = "Мороженое";
+            // 
+            // FormSellIceCream
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(278, 135);
+            this.Controls.Add(this.ButtonCancel);
+            this.Controls.Add(this.SaveButton);
+            this.Controls.Add(this.QuantityTextBox);
+            this.Controls.Add(this.IceCreamСomboBox);
+            this.Controls.Add(this.QuantityLabel);
+            this.Controls.Add(this.IceCreamLabel);
+            this.Name = "FormSellIceCream";
+            this.Text = "Продать мороженое";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Button ButtonCancel;
+        private Button SaveButton;
+        private TextBox QuantityTextBox;
+        private ComboBox IceCreamСomboBox;
+        private Label QuantityLabel;
+        private Label IceCreamLabel;
+    }
+}

IceCreamShop/IceCreamShop/FormSellIceCream.cs

@@ -0,0 +1,90 @@
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.BusinessLogicsContracts;
+using Microsoft.Extensions.Logging;
+
+
+namespace IceCreamShopView
+{
+    public partial class FormSellIceCream : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IIceCreamLogic _logicPackage;
+        private readonly IShopLogic _logicStore;
+        public FormSellIceCream(ILogger<FormSellIceCream> logger, IIceCreamLogic logicIceCream, IShopLogic logicShop)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicPackage = logicIceCream;
+            _logicStore = logicShop;
+            LoadData();
+        }
+
+        private void LoadData()
+        {
+            _logger.LogInformation("Loading icecream for sale.");
+
+            try
+            {
+                var list = _logicPackage.ReadList(null);
+                if (list != null)
+                {
+                    IceCreamСomboBox.DisplayMember = "IceCreamName";
+                    IceCreamСomboBox.ValueMember = "Id";
+                    IceCreamСomboBox.DataSource = list;
+                    IceCreamСomboBox.SelectedItem = null;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "List loading error.");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void SaveButton_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(QuantityTextBox.Text))
+            {
+                MessageBox.Show("Укажите количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (IceCreamСomboBox.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            _logger.LogInformation("Product sale.");
+
+            try
+            {
+                var operationResult = _logicStore.SellIceCreams(_logicPackage.ReadElement(new IceCreamSearchModel()
+                {
+                    Id = Convert.ToInt32(IceCreamСomboBox.SelectedValue)
+                })!, Convert.ToInt32(QuantityTextBox.Text));
+
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при продаже изделия. Дополнительная информация в логах.");
+                }
+
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Product sale error.");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

IceCreamShop/IceCreamShop/FormSellIceCream.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>

IceCreamShop/IceCreamShop/FormShop.Designer.cs

@@ -31,21 +31,25 @@
             this.buttonCancel = new System.Windows.Forms.Button();
             this.buttonSave = new System.Windows.Forms.Button();
             this.dataGridView = new System.Windows.Forms.DataGridView();
-            this.ColumnId = new System.Windows.Forms.DataGridViewTextBoxColumn();
-            this.ColumnDocumentName = new System.Windows.Forms.DataGridViewTextBoxColumn();
-            this.ColumnCount = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.dateTimePicker = new System.Windows.Forms.DateTimePicker();
             this.labelOpeningDate = new System.Windows.Forms.Label();
             this.textBoxAddress = new System.Windows.Forms.TextBox();
             this.textBoxName = new System.Windows.Forms.TextBox();
             this.labelAddress = new System.Windows.Forms.Label();
             this.labelName = new System.Windows.Forms.Label();
+            this.IceCreamMaxCountLable = new System.Windows.Forms.Label();
+            this.VolumeNumericUpDown = new System.Windows.Forms.NumericUpDown();
+            this.ColumnId = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.ColumnDocumentName = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.PriceIceCream = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.ColumnCount = new System.Windows.Forms.DataGridViewTextBoxColumn();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)(this.VolumeNumericUpDown)).BeginInit();
             this.SuspendLayout();
             // 
             // buttonCancel
             // 
-            this.buttonCancel.Location = new System.Drawing.Point(197, 338);
+            this.buttonCancel.Location = new System.Drawing.Point(332, 389);
             this.buttonCancel.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.buttonCancel.Name = "buttonCancel";
             this.buttonCancel.Size = new System.Drawing.Size(136, 22);
@@ -56,7 +60,7 @@
             // 
             // buttonSave
             // 
-            this.buttonSave.Location = new System.Drawing.Point(39, 338);
+            this.buttonSave.Location = new System.Drawing.Point(39, 387);
             this.buttonSave.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.buttonSave.Name = "buttonSave";
             this.buttonSave.Size = new System.Drawing.Size(136, 22);
@@ -71,43 +75,22 @@
             this.dataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
             this.ColumnId,
             this.ColumnDocumentName,
+            this.PriceIceCream,
             this.ColumnCount});
-            this.dataGridView.Location = new System.Drawing.Point(9, 106);
+            this.dataGridView.Location = new System.Drawing.Point(9, 155);
             this.dataGridView.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.dataGridView.Name = "dataGridView";
             this.dataGridView.RowHeadersWidth = 51;
             this.dataGridView.RowTemplate.Height = 29;
-            this.dataGridView.Size = new System.Drawing.Size(351, 225);
+            this.dataGridView.Size = new System.Drawing.Size(504, 225);
             this.dataGridView.TabIndex = 19;
             // 
-            // ColumnId
-            // 
-            this.ColumnId.HeaderText = "ID";
-            this.ColumnId.MinimumWidth = 6;
-            this.ColumnId.Name = "ColumnId";
-            this.ColumnId.Visible = false;
-            this.ColumnId.Width = 125;
-            // 
-            // ColumnDocumentName
-            // 
-            this.ColumnDocumentName.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
-            this.ColumnDocumentName.HeaderText = "Документ";
-            this.ColumnDocumentName.MinimumWidth = 6;
-            this.ColumnDocumentName.Name = "ColumnDocumentName";
-            // 
-            // ColumnCount
-            // 
-            this.ColumnCount.HeaderText = "Количество";
-            this.ColumnCount.MinimumWidth = 6;
-            this.ColumnCount.Name = "ColumnCount";
-            this.ColumnCount.Width = 125;
-            // 
             // dateTimePicker
             // 
-            this.dateTimePicker.Location = new System.Drawing.Point(141, 63);
+            this.dateTimePicker.Location = new System.Drawing.Point(155, 63);
             this.dateTimePicker.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.dateTimePicker.Name = "dateTimePicker";
-            this.dateTimePicker.Size = new System.Drawing.Size(219, 23);
+            this.dateTimePicker.Size = new System.Drawing.Size(205, 23);
             this.dateTimePicker.TabIndex = 18;
             // 
             // labelOpeningDate
@@ -153,11 +136,56 @@
             this.labelName.TabIndex = 13;
             this.labelName.Text = "Название:";
             // 
+            // IceCreamMaxCountLable
+            // 
+            this.IceCreamMaxCountLable.AutoSize = true;
+            this.IceCreamMaxCountLable.Location = new System.Drawing.Point(9, 107);
+            this.IceCreamMaxCountLable.Name = "IceCreamMaxCountLable";
+            this.IceCreamMaxCountLable.Size = new System.Drawing.Size(140, 15);
+            this.IceCreamMaxCountLable.TabIndex = 22;
+            this.IceCreamMaxCountLable.Text = "Вместимость магазина: ";
+            // 
+            // VolumeNumericUpDown
+            // 
+            this.VolumeNumericUpDown.Location = new System.Drawing.Point(155, 105);
+            this.VolumeNumericUpDown.Name = "VolumeNumericUpDown";
+            this.VolumeNumericUpDown.Size = new System.Drawing.Size(205, 23);
+            this.VolumeNumericUpDown.TabIndex = 23;
+            // 
+            // ColumnId
+            // 
+            this.ColumnId.HeaderText = "ID";
+            this.ColumnId.MinimumWidth = 6;
+            this.ColumnId.Name = "ColumnId";
+            this.ColumnId.Visible = false;
+            this.ColumnId.Width = 125;
+            // 
+            // ColumnDocumentName
+            // 
+            this.ColumnDocumentName.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
+            this.ColumnDocumentName.HeaderText = "Мороженое";
+            this.ColumnDocumentName.MinimumWidth = 6;
+            this.ColumnDocumentName.Name = "ColumnDocumentName";
+            // 
+            // PriceIceCream
+            // 
+            this.PriceIceCream.HeaderText = "Цена";
+            this.PriceIceCream.Name = "PriceIceCream";
+            // 
+            // ColumnCount
+            // 
+            this.ColumnCount.HeaderText = "Количество";
+            this.ColumnCount.MinimumWidth = 6;
+            this.ColumnCount.Name = "ColumnCount";
+            this.ColumnCount.Width = 125;
+            // 
             // FormShop
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(376, 372);
+            this.ClientSize = new System.Drawing.Size(525, 422);
+            this.Controls.Add(this.VolumeNumericUpDown);
+            this.Controls.Add(this.IceCreamMaxCountLable);
             this.Controls.Add(this.buttonCancel);
             this.Controls.Add(this.buttonSave);
             this.Controls.Add(this.dataGridView);
@@ -171,6 +199,7 @@
             this.Text = "Магазин";
             this.Load += new System.EventHandler(this.FormShop_Load);
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.VolumeNumericUpDown)).EndInit();
             this.ResumeLayout(false);
             this.PerformLayout();
 
@@ -181,14 +210,17 @@
         private Button buttonCancel;
         private Button buttonSave;
         private DataGridView dataGridView;
-        private DataGridViewTextBoxColumn ColumnId;
-        private DataGridViewTextBoxColumn ColumnDocumentName;
-        private DataGridViewTextBoxColumn ColumnCount;
         private DateTimePicker dateTimePicker;
         private Label labelOpeningDate;
         private TextBox textBoxAddress;
         private TextBox textBoxName;
         private Label labelAddress;
         private Label labelName;
+        private Label IceCreamMaxCountLable;
+        private NumericUpDown VolumeNumericUpDown;
+        private DataGridViewTextBoxColumn ColumnId;
+        private DataGridViewTextBoxColumn ColumnDocumentName;
+        private DataGridViewTextBoxColumn PriceIceCream;
+        private DataGridViewTextBoxColumn ColumnCount;
     }
 }

IceCreamShop/IceCreamShop/FormShop.cs

@@ -47,6 +47,7 @@ namespace IceCreamShopView
                         textBoxAddress.Text = view.Adress;
                         dateTimePicker.Text = view.OpeningDate.ToString();
                         _shopIceCreams = view.ShopIceCreams ?? new Dictionary<int, (IIceCreamModel, int)>();
+                        VolumeNumericUpDown.Value = view.IceCreamMaxCount;
                         LoadData();
                     }
                 }
@@ -72,6 +73,7 @@ namespace IceCreamShopView
                         {
                           pc.Key,
                           pc.Value.Item1.IceCreamName,
+                          pc.Value.Item1.Price,
                           pc.Value.Item2
                         }
                         );
@@ -106,7 +108,8 @@ namespace IceCreamShopView
                     Id = _id ?? 0,
                     Name = textBoxName.Text,
                     Adress = textBoxAddress.Text,
-                    OpeningDate = dateTimePicker.Value.Date
+                    OpeningDate = dateTimePicker.Value.Date,
+                    IceCreamMaxCount = (int)VolumeNumericUpDown.Value
                 };
                 var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
                 if (!operationResult)

IceCreamShop/IceCreamShop/FormShop.resx

@@ -63,6 +63,9 @@
   <metadata name="ColumnDocumentName.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
+  <metadata name="PriceIceCream.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>

IceCreamShop/IceCreamShop/FormShopSupply.Designer.cs

@@ -40,9 +40,10 @@
             // 
             // buttonCancel
             // 
-            this.buttonCancel.Location = new System.Drawing.Point(288, 179);
+            this.buttonCancel.Location = new System.Drawing.Point(252, 134);
+            this.buttonCancel.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.buttonCancel.Name = "buttonCancel";
-            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.Size = new System.Drawing.Size(82, 22);
             this.buttonCancel.TabIndex = 17;
             this.buttonCancel.Text = "Отмена";
             this.buttonCancel.UseVisualStyleBackColor = true;
@@ -50,9 +51,10 @@
             // 
             // buttonSave
             // 
-            this.buttonSave.Location = new System.Drawing.Point(187, 179);
+            this.buttonSave.Location = new System.Drawing.Point(164, 134);
+            this.buttonSave.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.buttonSave.Name = "buttonSave";
-            this.buttonSave.Size = new System.Drawing.Size(94, 29);
+            this.buttonSave.Size = new System.Drawing.Size(82, 22);
             this.buttonSave.TabIndex = 16;
             this.buttonSave.Text = "Сохранить";
             this.buttonSave.UseVisualStyleBackColor = true;
@@ -60,60 +62,63 @@
             // 
             // textBoxCount
             // 
-            this.textBoxCount.Location = new System.Drawing.Point(131, 119);
+            this.textBoxCount.Location = new System.Drawing.Point(115, 89);
+            this.textBoxCount.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.textBoxCount.Name = "textBoxCount";
-            this.textBoxCount.Size = new System.Drawing.Size(125, 27);
+            this.textBoxCount.Size = new System.Drawing.Size(110, 23);
             this.textBoxCount.TabIndex = 15;
             // 
             // comboBoxDocument
             // 
             this.comboBoxDocument.FormattingEnabled = true;
-            this.comboBoxDocument.Location = new System.Drawing.Point(131, 65);
+            this.comboBoxDocument.Location = new System.Drawing.Point(115, 49);
+            this.comboBoxDocument.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.comboBoxDocument.Name = "comboBoxDocument";
-            this.comboBoxDocument.Size = new System.Drawing.Size(251, 28);
+            this.comboBoxDocument.Size = new System.Drawing.Size(220, 23);
             this.comboBoxDocument.TabIndex = 14;
             // 
             // comboBoxShop
             // 
             this.comboBoxShop.FormattingEnabled = true;
-            this.comboBoxShop.Location = new System.Drawing.Point(131, 15);
+            this.comboBoxShop.Location = new System.Drawing.Point(115, 11);
+            this.comboBoxShop.Margin = new System.Windows.Forms.Padding(3, 2, 3, 2);
             this.comboBoxShop.Name = "comboBoxShop";
-            this.comboBoxShop.Size = new System.Drawing.Size(251, 28);
+            this.comboBoxShop.Size = new System.Drawing.Size(220, 23);
             this.comboBoxShop.TabIndex = 13;
             // 
             // labelDocumentCount
             // 
             this.labelDocumentCount.AutoSize = true;
-            this.labelDocumentCount.Location = new System.Drawing.Point(9, 119);
+            this.labelDocumentCount.Location = new System.Drawing.Point(8, 89);
             this.labelDocumentCount.Name = "labelDocumentCount";
-            this.labelDocumentCount.Size = new System.Drawing.Size(93, 20);
+            this.labelDocumentCount.Size = new System.Drawing.Size(75, 15);
             this.labelDocumentCount.TabIndex = 12;
             this.labelDocumentCount.Text = "Количество:";
             // 
             // labelDocument
             // 
             this.labelDocument.AutoSize = true;
-            this.labelDocument.Location = new System.Drawing.Point(9, 68);
+            this.labelDocument.Location = new System.Drawing.Point(8, 51);
             this.labelDocument.Name = "labelDocument";
-            this.labelDocument.Size = new System.Drawing.Size(97, 20);
+            this.labelDocument.Size = new System.Drawing.Size(77, 15);
             this.labelDocument.TabIndex = 11;
             this.labelDocument.Text = "Мороженое:";
             // 
             // labelShop
             // 
             this.labelShop.AutoSize = true;
-            this.labelShop.Location = new System.Drawing.Point(9, 15);
+            this.labelShop.Location = new System.Drawing.Point(8, 11);
             this.labelShop.Name = "labelShop";
             this.labelShop.RightToLeft = System.Windows.Forms.RightToLeft.No;
-            this.labelShop.Size = new System.Drawing.Size(72, 20);
+            this.labelShop.Size = new System.Drawing.Size(57, 15);
             this.labelShop.TabIndex = 10;
             this.labelShop.Text = "Магазин:";
             // 
             // FormShopSupply
             // 
-            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(405, 220);
+            this.ClientSize = new System.Drawing.Size(354, 165);
             this.Controls.Add(this.buttonCancel);
             this.Controls.Add(this.buttonSave);
             this.Controls.Add(this.textBoxCount);
@@ -122,9 +127,8 @@
             this.Controls.Add(this.labelDocumentCount);
             this.Controls.Add(this.labelDocument);
             this.Controls.Add(this.labelShop);
-            this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
             this.Name = "FormShopSupply";
-            this.Text = "FormShopSupply";
+            this.Text = "Пополнение магазина";
             this.Load += new System.EventHandler(this.FormShopSupply_Load);
             this.ResumeLayout(false);
             this.PerformLayout();

IceCreamShop/IceCreamShop/Program.cs

@@ -54,6 +54,7 @@ namespace IceCreamShop
             services.AddTransient<FormShop>();
             services.AddTransient<FormShops>();
             services.AddTransient<FormShopSupply>();
+            services.AddTransient<FormSellIceCream>();
         }
     }
 }

IceCreamShop/IceCreamShopContracts/BindingModels/ShopBindingModel.cs

@@ -17,5 +17,6 @@ namespace IceCreamShopContracts.BindingModels
         public DateTime OpeningDate { get; set; }
 
         public Dictionary<int, (IIceCreamModel, int)> ShopIceCreams { get; set; } = new();
+        public int IceCreamMaxCount { get; set; }
     }
 }

IceCreamShop/IceCreamShopContracts/BusinessLogicsContracts/IShopLogic.cs

@@ -18,5 +18,7 @@ namespace IceCreamShopContracts.BusinessLogicsContracts
         bool Update(ShopBindingModel model);
         bool Delete(ShopBindingModel model);
         bool SupplyIceCreams(ShopSearchModel model, IIceCreamModel iceCream, int count);
+        bool SupplyIceCreams(IIceCreamModel iceCream, int count);
+        bool SellIceCreams(IIceCreamModel iceCream, int count);
     }
 }

IceCreamShop/IceCreamShopContracts/StoragesContracts/IShopStorage.cs

@@ -1,4 +1,5 @@
-using IceCreamShopContracts.BindingModels;
+using AbstractIceCreamShopDataModels.Models;
+using IceCreamShopContracts.BindingModels;
 using IceCreamShopContracts.SearchModels;
 using IceCreamShopContracts.ViewModels;
 using System;
@@ -17,5 +18,6 @@ namespace IceCreamShopContracts.StoragesContracts
         ShopViewModel? Insert(ShopBindingModel model);
         ShopViewModel? Update(ShopBindingModel model);
         ShopViewModel? Delete(ShopBindingModel model);
+        bool SellIceCreams(IIceCreamModel iceCream, int count);
     }
 }

IceCreamShop/IceCreamShopContracts/ViewModels/ShopViewModel.cs

@@ -17,6 +17,8 @@ namespace IceCreamShopContracts.ViewModels
         public string Adress { get; set; } = string.Empty;
         [DisplayName("Дата открытия")]
         public DateTime OpeningDate { get; set; }
+        [DisplayName("Вместимость магазина")]
+        public int IceCreamMaxCount { get; set; }
 
         public Dictionary<int, (IIceCreamModel, int)> ShopIceCreams { get; set; } = new();
     }

IceCreamShop/IceCreamShopDataModels/Models/IShopModel.cs

@@ -14,5 +14,6 @@ namespace AbstractIceCreamShopDataModels.Models
         String Adress { get; }
         DateTime OpeningDate { get; }
         Dictionary<int, (IIceCreamModel, int)> ShopIceCreams { get; }
+        public int IceCreamMaxCount { get; }
     }
 }

IceCreamShop/IceCreamShopFileImplement/DataFileSingleton.cs

@@ -1,10 +1,5 @@
 using IceCreamShopFileImplement.Models;
 using System.Xml.Linq;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace IceCreamShopFileImplement
 {
@@ -14,9 +9,11 @@ namespace IceCreamShopFileImplement
         private readonly string ComponentFileName = "Component.xml";
         private readonly string OrderFileName = "Order.xml";
         private readonly string IceCreamFileName = "IceCream.xml";
+        private readonly string ShopFileName = "Shop.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<IceCream> IceCreams { get; private set; }
+        public List<Shop> Shops { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -28,11 +25,13 @@ namespace IceCreamShopFileImplement
         public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
         public void SaveIceCreams() => SaveData(IceCreams, IceCreamFileName, "IceCreams", x => x.GetXElement);
         public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        public void SaveShops() => SaveData(Shops, ShopFileName, "Shops", x => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
             IceCreams = LoadData(IceCreamFileName, "IceCream", x => IceCream.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+            Shops = LoadData(ShopFileName, "Shop", x => Shop.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
         {

IceCreamShop/IceCreamShopFileImplement/Implements/ShopStorage.cs

@@ -0,0 +1,197 @@
+using IceCreamShopContracts.StoragesContracts;
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.SearchModels;
+using IceCreamShopContracts.ViewModels;
+using AbstractIceCreamShopDataModels.Models;
+using IceCreamShopFileImplement.Models;
+
+namespace IceCreamShopFileImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ShopStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var element = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Shops.Remove(element);
+                source.SaveShops();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Shops.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return new();
+            }
+            return source.Shops
+                .Select(x => x.GetViewModel)
+                .Where(x => x.Name.Contains(model.Name ?? string.Empty))
+                .ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            return source.Shops.Select(x => x.GetViewModel).ToList();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = source.Shops.Count > 0 ? source.Shops.Max(x => x.Id) + 1 : 1;
+            var newStore = Shop.Create(model);
+            if (newStore == null)
+            {
+                return null;
+            }
+            source.Shops.Add(newStore);
+            source.SaveShops();
+            return newStore.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            var store = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (store == null)
+            {
+                return null;
+            }
+            store.Update(model);
+            source.SaveShops();
+            return store.GetViewModel;
+        }
+
+        /*        public bool SellIceCreams(IIceCreamModel model, int count)
+                {
+
+                    if (source.Shops.Select(x => x.ShopIceCreams.FirstOrDefault(y => y.Key == model.Id).Value.Item2).Sum() < count)
+                    {
+                        return false;
+                    }
+                    foreach (var store in source.Shops.Where(x => x.ShopIceCreams.ContainsKey(model.Id)))
+                    {
+                        int QuantityInCurrentShop = store.ShopIceCreams[model.Id].Item2;
+                        if (QuantityInCurrentShop <= count)
+                        {
+                            store.ShopIceCreams.Remove(model.Id);
+                            count -= QuantityInCurrentShop;
+                        }
+                        else
+                        {
+                            store.ShopIceCreams[model.Id] = (store.ShopIceCreams[model.Id].Item1, QuantityInCurrentShop - count);
+                            count = 0;
+                        }
+                        if (count == 0)
+                        {
+                            return true;
+                        }
+                    }
+                    return false;
+                }*/
+
+        public bool SellIceCreams(IIceCreamModel model, int count)
+        {
+            var icecream = source.IceCreams.FirstOrDefault(x => x.Id == model.Id);
+
+            var countStore = count;
+
+            if (icecream == null)
+            {
+                return false;
+            }
+
+            foreach (var shop in source.Shops)
+            {
+                foreach (var doc in shop.ShopIceCreams)
+                {
+                    if (doc.Value.Item1.Id == icecream.Id)
+                    {
+                        count -= doc.Value.Item2;
+                    }
+                    if (count <= 0)
+                    {
+                        break;
+                    }
+                }
+            }
+
+            if (count > 0)
+            {
+                return false;
+            }
+
+            count = countStore;
+
+            for (int i = 0; i < source.Shops.Count; i++)
+            {
+                var shop = source.Shops[i];
+                var icecreams = shop.ShopIceCreams;
+
+                for (int j = 1; j < icecreams.Count + 1; j++)
+                {
+                    if (icecreams[j].Item1.Id == icecream.Id)
+                    {
+                        while (icecreams[j].Item2 > 0 && count > 0)
+                        {
+                            int tempItem2 = icecreams[j].Item2;
+                            tempItem2--;
+                            count--;
+                            icecreams[j] = (icecreams[j].Item1, tempItem2);
+                        }
+                    }
+
+                    if (count <= 0)
+                    {
+                        shop.Update(new ShopBindingModel
+                        {
+                            Id = shop.Id,
+                            Name = shop.Name,
+                            Adress = shop.Adress,
+                            OpeningDate = shop.OpeningDate,
+                            IceCreamMaxCount = shop.IceCreamMaxCount,
+                            ShopIceCreams = icecreams
+                        });
+                        source.SaveShops();
+                        return true;
+
+                    }
+                }
+
+                shop.Update(new ShopBindingModel
+                {
+                    Id = shop.Id,
+                    Name = shop.Name,
+                    Adress = shop.Adress,
+                    OpeningDate = shop.OpeningDate,
+                    IceCreamMaxCount = shop.IceCreamMaxCount,
+                    ShopIceCreams = icecreams
+                });
+                source.SaveShops();
+            }
+
+            if (count > 0)
+            {
+                return false;
+            }
+            return true;
+        }
+    }
+}

IceCreamShop/IceCreamShopFileImplement/Models/IceCream.cs

@@ -83,6 +83,6 @@ namespace IceCreamShopFileImplement.Models
         new XElement("IceCreamName", IceCreamName),
         new XElement("Price", Price.ToString()),
         new XElement("IceCreamComponents", Components.Select(x =>
-        new XElement("IceCreamComponents",  new XElement("Key", x.Key),  new XElement("Value", x.Value))).ToArray()));
+        new XElement("IceCreamComponent",  new XElement("Key", x.Key),  new XElement("Value", x.Value))).ToArray()));
     }
 }

IceCreamShop/IceCreamShopFileImplement/Models/Shop.cs

@@ -0,0 +1,115 @@
+using IceCreamShopContracts.BindingModels;
+using IceCreamShopContracts.ViewModels;
+using AbstractIceCreamShopDataModels.Models;
+using System.Xml.Linq;
+
+
+namespace IceCreamShopFileImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; private set; }
+
+        public string Name { get; private set; } = string.Empty;
+
+        public string Adress { get; private set; } = string.Empty;
+
+        public DateTime OpeningDate { get; private set; }
+       
+        public int IceCreamMaxCount { get; private set; }
+
+        public Dictionary<int, int> IceCreams { get; private set; } = new();
+
+        public Dictionary<int, (IIceCreamModel, int)>? _shopIceCreams = null;
+
+        public Dictionary<int, (IIceCreamModel, int)> ShopIceCreams
+        {
+            get
+            {
+                if(_shopIceCreams == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopIceCreams = IceCreams.ToDictionary(
+                        x => x.Key, 
+                        y => ((source.IceCreams.FirstOrDefault(z => z.Id == y.Key) as IIceCreamModel)!, y.Value));
+                }
+                return _shopIceCreams;
+            }
+        }
+
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Adress = model.Adress,
+                IceCreamMaxCount = model.IceCreamMaxCount,
+                OpeningDate = model.OpeningDate,
+                IceCreams = model.ShopIceCreams.ToDictionary(x => x.Key, x => x.Value.Item2)
+            };
+        }
+
+        public static Shop? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                Name = element.Element("Name")!.Value,
+                Adress = element.Element("Adress")!.Value,
+                IceCreamMaxCount = Convert.ToInt32(element.Element("IceCreamMaxCount")!.Value),
+                OpeningDate = Convert.ToDateTime(element.Element("OpeningDate")!.Value),
+                IceCreams = element.Element("ShopIceCreams")!.Elements("ShopIceCream").ToDictionary(
+                    x => Convert.ToInt32(x.Element("Key")?.Value),
+                    x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = model.Name;
+            Adress = model.Adress;
+            OpeningDate = model.OpeningDate;
+            IceCreamMaxCount = model.IceCreamMaxCount;
+            if(model.ShopIceCreams.Count > 0)
+            {
+                IceCreams = model.ShopIceCreams.ToDictionary(x => x.Key, x => x.Value.Item2);
+                _shopIceCreams = null;
+            }
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Adress = Adress,
+            OpeningDate = OpeningDate,
+            IceCreamMaxCount = IceCreamMaxCount,
+            ShopIceCreams = ShopIceCreams
+        };
+
+        public XElement GetXElement => new("Shop",
+             new XAttribute("Id", Id),
+             new XElement("Name", Name),
+             new XElement("Adress", Adress),
+             new XElement("OpeningDate", OpeningDate),
+             new XElement("IceCreamMaxCount", IceCreamMaxCount),
+             new XElement("ShopIceCreams", IceCreams
+                 .Select(x => new XElement("ShopIceCream",
+                     new XElement("Key", x.Key),
+                     new XElement("Value", x.Value))
+                 ).ToArray()));
+    }
+}

IceCreamShop/IceCreamShopListImplement/Implements/ShopStorage.cs

@@ -1,4 +1,5 @@
-using IceCreamShopContracts.BindingModels;
+using AbstractIceCreamShopDataModels.Models;
+using IceCreamShopContracts.BindingModels;
 using IceCreamShopContracts.SearchModels;
 using IceCreamShopContracts.StoragesContracts;
 using IceCreamShopContracts.ViewModels;
@@ -114,5 +115,10 @@ namespace IceCreamShopListImplement.Implements
             }
             return null;
         }
+
+        public bool SellIceCreams(IIceCreamModel iceCream, int count)
+        {
+            throw new NotImplementedException();
+        }
     }
 }

IceCreamShop/IceCreamShopListImplement/Models/Shop.cs

@@ -57,5 +57,7 @@ namespace IceCreamShopListImplement.Models
             OpeningDate = OpeningDate,
             ShopIceCreams = ShopIceCreams
         };
+
+        public int IceCreamMaxCount => throw new NotImplementedException();
     }
 }