Вроде все работает, но было бы неплохо порефакторить

LawFirm/LawFirm/FormDocument.Designer.cs

@@ -38,11 +38,11 @@
             this.buttonEdit = new System.Windows.Forms.Button();
             this.buttonAdd = new System.Windows.Forms.Button();
             this.dataGridView = new System.Windows.Forms.DataGridView();
-            this.buttonSave = new System.Windows.Forms.Button();
-            this.buttonCancel = new System.Windows.Forms.Button();
             this.ID = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.ColumnBlankName = new System.Windows.Forms.DataGridViewTextBoxColumn();
             this.ColumnCount = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
             this.groupBoxBlanks.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
@@ -148,26 +148,6 @@
             this.dataGridView.TabIndex = 0;
             this.dataGridView.CellContentClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.dataGridView_CellContentClick);
             // 
-            // buttonSave
-            // 
-            this.buttonSave.Location = new System.Drawing.Point(356, 379);
-            this.buttonSave.Name = "buttonSave";
-            this.buttonSave.Size = new System.Drawing.Size(155, 29);
-            this.buttonSave.TabIndex = 5;
-            this.buttonSave.Text = "Сохранить";
-            this.buttonSave.UseVisualStyleBackColor = true;
-            this.buttonSave.Click += new System.EventHandler(this.buttonSave_Click);
-            // 
-            // buttonCancel
-            // 
-            this.buttonCancel.Location = new System.Drawing.Point(536, 379);
-            this.buttonCancel.Name = "buttonCancel";
-            this.buttonCancel.Size = new System.Drawing.Size(155, 29);
-            this.buttonCancel.TabIndex = 6;
-            this.buttonCancel.Text = "Отмена";
-            this.buttonCancel.UseVisualStyleBackColor = true;
-            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
-            // 
             // ID
             // 
             this.ID.HeaderText = "ID";
@@ -192,6 +172,26 @@
             this.ColumnCount.Name = "ColumnCount";
             this.ColumnCount.Width = 125;
             // 
+            // buttonSave
+            // 
+            this.buttonSave.Location = new System.Drawing.Point(356, 379);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(155, 29);
+            this.buttonSave.TabIndex = 5;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.buttonSave_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(536, 379);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(155, 29);
+            this.buttonCancel.TabIndex = 6;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
             // FormDocument
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);

LawFirm/LawFirm/FormMain.Designer.cs

@@ -32,12 +32,15 @@
             this.справочникиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.бланкиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.документыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.магазиныToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
             this.dataGridView = new System.Windows.Forms.DataGridView();
             this.buttonCreateOrder = new System.Windows.Forms.Button();
             this.buttonSetToWork = new System.Windows.Forms.Button();
             this.buttonSetToDone = new System.Windows.Forms.Button();
             this.buttonSetToFinish = new System.Windows.Forms.Button();
             this.buttonUpdate = new System.Windows.Forms.Button();
+            this.buttonSupplyShop = new System.Windows.Forms.Button();
+            this.buttonSellDocuments = new System.Windows.Forms.Button();
             this.menuStrip.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
             this.SuspendLayout();
@@ -57,7 +60,8 @@
             // 
             this.справочникиToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.бланкиToolStripMenuItem,
-            this.документыToolStripMenuItem});
+            this.документыToolStripMenuItem,
+            this.магазиныToolStripMenuItem});
             this.справочникиToolStripMenuItem.Name = "справочникиToolStripMenuItem";
             this.справочникиToolStripMenuItem.Size = new System.Drawing.Size(117, 24);
             this.справочникиToolStripMenuItem.Text = "Справочники";
@@ -76,6 +80,13 @@
             this.документыToolStripMenuItem.Text = "Документы";
             this.документыToolStripMenuItem.Click += new System.EventHandler(this.документыToolStripMenuItem_Click);
             // 
+            // магазиныToolStripMenuItem
+            // 
+            this.магазиныToolStripMenuItem.Name = "магазиныToolStripMenuItem";
+            this.магазиныToolStripMenuItem.Size = new System.Drawing.Size(170, 26);
+            this.магазиныToolStripMenuItem.Text = "Магазины";
+            this.магазиныToolStripMenuItem.Click += new System.EventHandler(this.магазиныToolStripMenuItem_Click);
+            // 
             // dataGridView
             // 
             this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
@@ -136,11 +147,33 @@
             this.buttonUpdate.UseVisualStyleBackColor = true;
             this.buttonUpdate.Click += new System.EventHandler(this.buttonUpdate_Click);
             // 
+            // buttonSupplyShop
+            // 
+            this.buttonSupplyShop.Location = new System.Drawing.Point(933, 185);
+            this.buttonSupplyShop.Name = "buttonSupplyShop";
+            this.buttonSupplyShop.Size = new System.Drawing.Size(194, 29);
+            this.buttonSupplyShop.TabIndex = 7;
+            this.buttonSupplyShop.Text = "Пополнение магазина";
+            this.buttonSupplyShop.UseVisualStyleBackColor = true;
+            this.buttonSupplyShop.Click += new System.EventHandler(this.buttonSupplyShop_Click);
+            // 
+            // buttonSellDocuments
+            // 
+            this.buttonSellDocuments.Location = new System.Drawing.Point(933, 220);
+            this.buttonSellDocuments.Name = "buttonSellDocuments";
+            this.buttonSellDocuments.Size = new System.Drawing.Size(194, 29);
+            this.buttonSellDocuments.TabIndex = 8;
+            this.buttonSellDocuments.Text = "Продажа документов";
+            this.buttonSellDocuments.UseVisualStyleBackColor = true;
+            this.buttonSellDocuments.Click += new System.EventHandler(this.buttonSellDocuments_Click);
+            // 
             // FormMain
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(1139, 450);
+            this.Controls.Add(this.buttonSellDocuments);
+            this.Controls.Add(this.buttonSupplyShop);
             this.Controls.Add(this.buttonUpdate);
             this.Controls.Add(this.buttonSetToFinish);
             this.Controls.Add(this.buttonSetToDone);
@@ -172,5 +205,8 @@
         private Button buttonSetToDone;
         private Button buttonSetToFinish;
         private Button buttonUpdate;
+        private ToolStripMenuItem магазиныToolStripMenuItem;
+        private Button buttonSupplyShop;
+        private Button buttonSellDocuments;
     }
 }

LawFirm/LawFirm/FormMain.cs

@@ -69,6 +69,15 @@ namespace LawFirmView
             }
         }
 
+        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)
         {
             var service = Program.ServiceProvider?.GetService(typeof(FormCreateOrder));
@@ -163,5 +172,23 @@ namespace LawFirmView
         {
             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 buttonSellDocuments_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormShopSell));
+            if (service is FormShopSell form)
+            {
+                form.ShowDialog();
+            }
+        }
     }
 }

LawFirm/LawFirm/FormShop.Designer.cs

@@ -0,0 +1,210 @@
+namespace LawFirmView
+{
+    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()
+        {
+            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.labelOpeningDate = new System.Windows.Forms.Label();
+            this.dateTimePicker = new System.Windows.Forms.DateTimePicker();
+            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.buttonCancel = new System.Windows.Forms.Button();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.labelMaxCount = new System.Windows.Forms.Label();
+            this.textBoxMaxCountDocs = new System.Windows.Forms.TextBox();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // textBoxAddress
+            // 
+            this.textBoxAddress.Location = new System.Drawing.Point(100, 45);
+            this.textBoxAddress.Name = "textBoxAddress";
+            this.textBoxAddress.Size = new System.Drawing.Size(315, 27);
+            this.textBoxAddress.TabIndex = 7;
+            // 
+            // textBoxName
+            // 
+            this.textBoxName.Location = new System.Drawing.Point(100, 12);
+            this.textBoxName.Name = "textBoxName";
+            this.textBoxName.Size = new System.Drawing.Size(315, 27);
+            this.textBoxName.TabIndex = 6;
+            // 
+            // labelAddress
+            // 
+            this.labelAddress.AutoSize = true;
+            this.labelAddress.Location = new System.Drawing.Point(14, 51);
+            this.labelAddress.Name = "labelAddress";
+            this.labelAddress.Size = new System.Drawing.Size(54, 20);
+            this.labelAddress.TabIndex = 5;
+            this.labelAddress.Text = "Адрес:";
+            // 
+            // labelName
+            // 
+            this.labelName.AutoSize = true;
+            this.labelName.Location = new System.Drawing.Point(14, 15);
+            this.labelName.Name = "labelName";
+            this.labelName.Size = new System.Drawing.Size(80, 20);
+            this.labelName.TabIndex = 4;
+            this.labelName.Text = "Название:";
+            // 
+            // labelOpeningDate
+            // 
+            this.labelOpeningDate.AutoSize = true;
+            this.labelOpeningDate.Location = new System.Drawing.Point(14, 86);
+            this.labelOpeningDate.Name = "labelOpeningDate";
+            this.labelOpeningDate.Size = new System.Drawing.Size(126, 20);
+            this.labelOpeningDate.TabIndex = 8;
+            this.labelOpeningDate.Text = "Время открытия:";
+            // 
+            // dateTimePicker
+            // 
+            this.dateTimePicker.Location = new System.Drawing.Point(165, 81);
+            this.dateTimePicker.Name = "dateTimePicker";
+            this.dateTimePicker.Size = new System.Drawing.Size(250, 27);
+            this.dateTimePicker.TabIndex = 9;
+            // 
+            // dataGridView
+            // 
+            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.dataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
+            this.ColumnId,
+            this.ColumnDocumentName,
+            this.ColumnCount});
+            this.dataGridView.Location = new System.Drawing.Point(14, 173);
+            this.dataGridView.Name = "dataGridView";
+            this.dataGridView.RowHeadersWidth = 51;
+            this.dataGridView.RowTemplate.Height = 29;
+            this.dataGridView.Size = new System.Drawing.Size(401, 265);
+            this.dataGridView.TabIndex = 10;
+            // 
+            // 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;
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(228, 448);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(155, 29);
+            this.buttonCancel.TabIndex = 12;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // buttonSave
+            // 
+            this.buttonSave.Location = new System.Drawing.Point(48, 448);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(155, 29);
+            this.buttonSave.TabIndex = 11;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.buttonSave_Click);
+            // 
+            // labelMaxCount
+            // 
+            this.labelMaxCount.AutoSize = true;
+            this.labelMaxCount.Location = new System.Drawing.Point(18, 128);
+            this.labelMaxCount.Name = "labelMaxCount";
+            this.labelMaxCount.Size = new System.Drawing.Size(216, 20);
+            this.labelMaxCount.TabIndex = 13;
+            this.labelMaxCount.Text = "Макс. количество документов";
+            // 
+            // textBoxMaxCountDocs
+            // 
+            this.textBoxMaxCountDocs.Location = new System.Drawing.Point(240, 128);
+            this.textBoxMaxCountDocs.Name = "textBoxMaxCountDocs";
+            this.textBoxMaxCountDocs.Size = new System.Drawing.Size(175, 27);
+            this.textBoxMaxCountDocs.TabIndex = 14;
+            // 
+            // FormShop
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(445, 489);
+            this.Controls.Add(this.textBoxMaxCountDocs);
+            this.Controls.Add(this.labelMaxCount);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSave);
+            this.Controls.Add(this.dataGridView);
+            this.Controls.Add(this.dateTimePicker);
+            this.Controls.Add(this.labelOpeningDate);
+            this.Controls.Add(this.textBoxAddress);
+            this.Controls.Add(this.textBoxName);
+            this.Controls.Add(this.labelAddress);
+            this.Controls.Add(this.labelName);
+            this.Name = "FormShop";
+            this.Text = "Магазин";
+            this.Load += new System.EventHandler(this.FormShop_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private TextBox textBoxAddress;
+        private TextBox textBoxName;
+        private Label labelAddress;
+        private Label labelName;
+        private Label labelOpeningDate;
+        private DateTimePicker dateTimePicker;
+        private DataGridView dataGridView;
+        private Button buttonCancel;
+        private Button buttonSave;
+        private DataGridViewTextBoxColumn ColumnId;
+        private DataGridViewTextBoxColumn ColumnDocumentName;
+        private DataGridViewTextBoxColumn ColumnCount;
+        private Label labelMaxCount;
+        private TextBox textBoxMaxCountDocs;
+    }
+}

LawFirm/LawFirm/FormShop.cs

@@ -0,0 +1,144 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicContracts;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.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 LawFirmView
+{
+    public partial class FormShop : Form
+    {
+        
+        private readonly IShopLogic _logic;
+        private readonly ILogger _logger;
+        private Dictionary<int, (IDocumentModel, int)> _shopDocuments;
+        private int? _id;
+        public int Id { set { _id = value; } }
+
+        public FormShop(ILogger<FormShop> logger, IShopLogic logic)
+        {
+            InitializeComponent(); 
+            _logger = logger;
+            _logic = logic;
+            _shopDocuments = new();
+        }
+
+        private void FormShop_Load(object sender, EventArgs e)
+        {
+
+            if (_id.HasValue)
+            {
+                _logger.LogInformation("Загрузка магазина");
+                try
+                {
+                    var view = _logic.ReadElement(new ShopSearchModel
+                    {
+                        Id = _id.Value
+                    });
+                    if (view != null)
+                    {
+                        textBoxName.Text = view.Name;
+                        textBoxAddress.Text = view.Adress;
+                        _shopDocuments = view.ShopDocuments ?? new Dictionary<int, (IDocumentModel, int)>();
+                        textBoxMaxCountDocs.Text = view.MaxCountDocuments.ToString();
+                        LoadData();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка загрузки магазина");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                    MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void LoadData()
+        {
+            _logger.LogInformation("Загрузка документов магазина");
+            try
+            {
+                if (_shopDocuments != null)
+                {
+                    dataGridView.Rows.Clear();
+                    foreach (var pc in _shopDocuments)
+                    {
+                        dataGridView.Rows.Add(new object[]
+                        {
+                          pc.Key,
+                          pc.Value.Item1.DocumentName,
+                          pc.Value.Item2
+                        }
+                        );
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки документов магазина");
+                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;
+            }
+            if (string.IsNullOrEmpty(textBoxMaxCountDocs.Text))
+            {
+                MessageBox.Show("Заполните макс. количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Сохранение магазина");
+            try
+            {
+                var model = new ShopBindingModel
+                {
+                    Id = _id ?? 0,
+                    Name = textBoxName.Text,
+                    Adress = textBoxAddress.Text,
+                    OpeningDate = dateTimePicker.Value.Date,
+                    MaxCountDocuments = Convert.ToInt32(textBoxMaxCountDocs.Text)
+                };
+                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, "Ошибка сохранения магазина");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

LawFirm/LawFirm/FormShop.resx

@@ -0,0 +1,69 @@
+<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="ColumnDocumentName.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>

LawFirm/LawFirm/FormShopSell.Designer.cs

@@ -0,0 +1,119 @@
+namespace LawFirmView
+{
+    partial class FormShopSell
+    {
+        /// <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.labelCount = new System.Windows.Forms.Label();
+            this.labelDocument = new System.Windows.Forms.Label();
+            this.comboBoxDocument = new System.Windows.Forms.ComboBox();
+            this.textBoxCount = new System.Windows.Forms.TextBox();
+            this.buttonSell = new System.Windows.Forms.Button();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // labelCount
+            // 
+            this.labelCount.AutoSize = true;
+            this.labelCount.Location = new System.Drawing.Point(23, 76);
+            this.labelCount.Name = "labelCount";
+            this.labelCount.Size = new System.Drawing.Size(93, 20);
+            this.labelCount.TabIndex = 1;
+            this.labelCount.Text = "Количество:";
+            // 
+            // labelDocument
+            // 
+            this.labelDocument.AutoSize = true;
+            this.labelDocument.Location = new System.Drawing.Point(23, 24);
+            this.labelDocument.Name = "labelDocument";
+            this.labelDocument.Size = new System.Drawing.Size(79, 20);
+            this.labelDocument.TabIndex = 2;
+            this.labelDocument.Text = "Документ:";
+            // 
+            // comboBoxDocument
+            // 
+            this.comboBoxDocument.FormattingEnabled = true;
+            this.comboBoxDocument.Location = new System.Drawing.Point(124, 24);
+            this.comboBoxDocument.Name = "comboBoxDocument";
+            this.comboBoxDocument.Size = new System.Drawing.Size(278, 28);
+            this.comboBoxDocument.TabIndex = 4;
+            // 
+            // textBoxCount
+            // 
+            this.textBoxCount.Location = new System.Drawing.Point(124, 73);
+            this.textBoxCount.Name = "textBoxCount";
+            this.textBoxCount.Size = new System.Drawing.Size(158, 27);
+            this.textBoxCount.TabIndex = 5;
+            // 
+            // buttonSell
+            // 
+            this.buttonSell.Location = new System.Drawing.Point(188, 142);
+            this.buttonSell.Name = "buttonSell";
+            this.buttonSell.Size = new System.Drawing.Size(94, 29);
+            this.buttonSell.TabIndex = 6;
+            this.buttonSell.Text = "Продажа";
+            this.buttonSell.UseVisualStyleBackColor = true;
+            this.buttonSell.Click += new System.EventHandler(this.buttonSell_Click);
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(308, 142);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 7;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // FormShopSell
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(459, 198);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSell);
+            this.Controls.Add(this.textBoxCount);
+            this.Controls.Add(this.comboBoxDocument);
+            this.Controls.Add(this.labelDocument);
+            this.Controls.Add(this.labelCount);
+            this.Name = "FormShopSell";
+            this.Text = "Продажа из магазина";
+            this.Load += new System.EventHandler(this.FormShopSell_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+        private Label labelCount;
+        private Label labelDocument;
+        private ComboBox comboBoxDocument;
+        private TextBox textBoxCount;
+        private Button buttonSell;
+        private Button buttonCancel;
+    }
+}

LawFirm/LawFirm/FormShopSell.cs

@@ -0,0 +1,97 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicContracts;
+using LawFirmContracts.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 LawFirmView
+{
+    public partial class FormShopSell : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IDocumentLogic _logicD;
+        private readonly IShopLogic _logicS;
+
+        public FormShopSell(ILogger<FormShopSell> logger, IDocumentLogic logicD, IShopLogic logicS)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicD = logicD;
+            _logicS = logicS;
+        }
+
+        private void FormShopSell_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка документов для продажи");
+            try
+            {
+                var list = _logicD.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxDocument.DisplayMember = "DocumentName";
+                    comboBoxDocument.ValueMember = "Id";
+                    comboBoxDocument.DataSource = list;
+                    comboBoxDocument.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка документов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonSell_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxDocument.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите документ", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Создание продажи");
+            try
+            {
+                var operationResult = _logicS.SellDocument(
+                    new DocumentSearchModel
+                    {
+                        Id = Convert.ToInt32(comboBoxDocument.SelectedValue),
+                        DocumentName = comboBoxDocument.Text
+                    },
+                    Convert.ToInt32(textBoxCount.Text)
+                );
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при создании продажи. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка создания продажи");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

LawFirm/LawFirm/FormShopSell.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>

LawFirm/LawFirm/FormShopSupply.Designer.cs

@@ -0,0 +1,144 @@
+namespace LawFirmView
+{
+    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()
+        {
+            this.labelShop = new System.Windows.Forms.Label();
+            this.labelDocument = new System.Windows.Forms.Label();
+            this.labelDocumentCount = new System.Windows.Forms.Label();
+            this.comboBoxShop = new System.Windows.Forms.ComboBox();
+            this.comboBoxDocument = new System.Windows.Forms.ComboBox();
+            this.textBoxCount = new System.Windows.Forms.TextBox();
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.buttonSave = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // labelShop
+            // 
+            this.labelShop.AutoSize = true;
+            this.labelShop.Location = new System.Drawing.Point(26, 19);
+            this.labelShop.Name = "labelShop";
+            this.labelShop.RightToLeft = System.Windows.Forms.RightToLeft.No;
+            this.labelShop.Size = new System.Drawing.Size(72, 20);
+            this.labelShop.TabIndex = 0;
+            this.labelShop.Text = "Магазин:";
+            // 
+            // labelDocument
+            // 
+            this.labelDocument.AutoSize = true;
+            this.labelDocument.Location = new System.Drawing.Point(26, 72);
+            this.labelDocument.Name = "labelDocument";
+            this.labelDocument.Size = new System.Drawing.Size(79, 20);
+            this.labelDocument.TabIndex = 1;
+            this.labelDocument.Text = "Документ:";
+            // 
+            // labelDocumentCount
+            // 
+            this.labelDocumentCount.AutoSize = true;
+            this.labelDocumentCount.Location = new System.Drawing.Point(26, 122);
+            this.labelDocumentCount.Name = "labelDocumentCount";
+            this.labelDocumentCount.Size = new System.Drawing.Size(93, 20);
+            this.labelDocumentCount.TabIndex = 2;
+            this.labelDocumentCount.Text = "Количество:";
+            // 
+            // comboBoxShop
+            // 
+            this.comboBoxShop.FormattingEnabled = true;
+            this.comboBoxShop.Location = new System.Drawing.Point(148, 19);
+            this.comboBoxShop.Name = "comboBoxShop";
+            this.comboBoxShop.Size = new System.Drawing.Size(251, 28);
+            this.comboBoxShop.TabIndex = 3;
+            // 
+            // comboBoxDocument
+            // 
+            this.comboBoxDocument.FormattingEnabled = true;
+            this.comboBoxDocument.Location = new System.Drawing.Point(148, 69);
+            this.comboBoxDocument.Name = "comboBoxDocument";
+            this.comboBoxDocument.Size = new System.Drawing.Size(251, 28);
+            this.comboBoxDocument.TabIndex = 4;
+            // 
+            // textBoxCount
+            // 
+            this.textBoxCount.Location = new System.Drawing.Point(148, 122);
+            this.textBoxCount.Name = "textBoxCount";
+            this.textBoxCount.Size = new System.Drawing.Size(125, 27);
+            this.textBoxCount.TabIndex = 5;
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(305, 183);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 9;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // buttonSave
+            // 
+            this.buttonSave.Location = new System.Drawing.Point(205, 183);
+            this.buttonSave.Name = "buttonSave";
+            this.buttonSave.Size = new System.Drawing.Size(94, 29);
+            this.buttonSave.TabIndex = 8;
+            this.buttonSave.Text = "Сохранить";
+            this.buttonSave.UseVisualStyleBackColor = true;
+            this.buttonSave.Click += new System.EventHandler(this.buttonSave_Click);
+            // 
+            // FormShopSupply
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(436, 243);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonSave);
+            this.Controls.Add(this.textBoxCount);
+            this.Controls.Add(this.comboBoxDocument);
+            this.Controls.Add(this.comboBoxShop);
+            this.Controls.Add(this.labelDocumentCount);
+            this.Controls.Add(this.labelDocument);
+            this.Controls.Add(this.labelShop);
+            this.Name = "FormShopSupply";
+            this.Text = "Пополнение магазина";
+            this.Load += new System.EventHandler(this.FormShopSupply_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label labelShop;
+        private Label labelDocument;
+        private Label labelDocumentCount;
+        private ComboBox comboBoxShop;
+        private ComboBox comboBoxDocument;
+        private TextBox textBoxCount;
+        private Button buttonCancel;
+        private Button buttonSave;
+    }
+}

LawFirm/LawFirm/FormShopSupply.cs

@@ -0,0 +1,125 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicContracts;
+using LawFirmContracts.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 LawFirmView
+{
+    public partial class FormShopSupply : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IDocumentLogic _logicD;
+        private readonly IShopLogic _logicS;
+        public FormShopSupply(ILogger<FormShopSupply> logger, IDocumentLogic logicD, IShopLogic logicS)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicD = logicD;
+            _logicS = logicS;
+        }
+
+        private void FormShopSupply_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка документов для пополнения");
+            try
+            {
+                var list = _logicD.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxDocument.DisplayMember = "DocumentName";
+                    comboBoxDocument.ValueMember = "Id";
+                    comboBoxDocument.DataSource = list;
+                    comboBoxDocument.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка документов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+
+            _logger.LogInformation("Загрузка магазинов для пополнения");
+            try
+            {
+                var list = _logicS.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxShop.DisplayMember = "Name";
+                    comboBoxShop.ValueMember = "Id";
+                    comboBoxShop.DataSource = list;
+                    comboBoxShop.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка магазинов");
+                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 (comboBoxDocument.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите документ", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxShop.SelectedValue== null)
+            {
+                MessageBox.Show("Выберите магазин", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Создание поставки");
+            try
+            {
+                var operationResult = _logicS.SupplyDocuments(
+                    new ShopSearchModel
+                    {
+                        Id = Convert.ToInt32(comboBoxShop.SelectedValue),
+                        Name = comboBoxShop.Text
+                    },
+                    new DocumentBindingModel
+                    {
+                        Id = Convert.ToInt32(comboBoxDocument.SelectedValue),
+                        DocumentName = comboBoxDocument.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, "Ошибка создания поставки");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

LawFirm/LawFirm/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>

LawFirm/LawFirm/FormShops.Designer.cs

@@ -0,0 +1,115 @@
+namespace LawFirmView
+{
+    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()
+        {
+            this.dataGridView = new System.Windows.Forms.DataGridView();
+            this.buttonUpdate = new System.Windows.Forms.Button();
+            this.buttonDelete = new System.Windows.Forms.Button();
+            this.buttonEdit = new System.Windows.Forms.Button();
+            this.buttonAdd = new System.Windows.Forms.Button();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // dataGridView
+            // 
+            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.dataGridView.Location = new System.Drawing.Point(12, 12);
+            this.dataGridView.Name = "dataGridView";
+            this.dataGridView.RowHeadersWidth = 51;
+            this.dataGridView.RowTemplate.Height = 29;
+            this.dataGridView.Size = new System.Drawing.Size(561, 426);
+            this.dataGridView.TabIndex = 0;
+            // 
+            // buttonUpdate
+            // 
+            this.buttonUpdate.Location = new System.Drawing.Point(627, 409);
+            this.buttonUpdate.Name = "buttonUpdate";
+            this.buttonUpdate.Size = new System.Drawing.Size(152, 29);
+            this.buttonUpdate.TabIndex = 9;
+            this.buttonUpdate.Text = "Обновить";
+            this.buttonUpdate.UseVisualStyleBackColor = true;
+            this.buttonUpdate.Click += new System.EventHandler(this.buttonUpdate_Click);
+            // 
+            // buttonDelete
+            // 
+            this.buttonDelete.Location = new System.Drawing.Point(627, 82);
+            this.buttonDelete.Name = "buttonDelete";
+            this.buttonDelete.Size = new System.Drawing.Size(152, 29);
+            this.buttonDelete.TabIndex = 8;
+            this.buttonDelete.Text = "Удалить";
+            this.buttonDelete.UseVisualStyleBackColor = true;
+            this.buttonDelete.Click += new System.EventHandler(this.buttonDelete_Click);
+            // 
+            // buttonEdit
+            // 
+            this.buttonEdit.Location = new System.Drawing.Point(627, 47);
+            this.buttonEdit.Name = "buttonEdit";
+            this.buttonEdit.Size = new System.Drawing.Size(152, 29);
+            this.buttonEdit.TabIndex = 7;
+            this.buttonEdit.Text = "Изменить";
+            this.buttonEdit.UseVisualStyleBackColor = true;
+            this.buttonEdit.Click += new System.EventHandler(this.buttonEdit_Click);
+            // 
+            // buttonAdd
+            // 
+            this.buttonAdd.Location = new System.Drawing.Point(627, 12);
+            this.buttonAdd.Name = "buttonAdd";
+            this.buttonAdd.Size = new System.Drawing.Size(152, 29);
+            this.buttonAdd.TabIndex = 6;
+            this.buttonAdd.Text = "Добавить";
+            this.buttonAdd.UseVisualStyleBackColor = true;
+            this.buttonAdd.Click += new System.EventHandler(this.buttonAdd_Click);
+            // 
+            // FormShops
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(800, 450);
+            this.Controls.Add(this.buttonUpdate);
+            this.Controls.Add(this.buttonDelete);
+            this.Controls.Add(this.buttonEdit);
+            this.Controls.Add(this.buttonAdd);
+            this.Controls.Add(this.dataGridView);
+            this.Name = "FormShops";
+            this.Text = "Магазины";
+            this.Load += new System.EventHandler(this.FormShops_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private DataGridView dataGridView;
+        private Button buttonUpdate;
+        private Button buttonDelete;
+        private Button buttonEdit;
+        private Button buttonAdd;
+    }
+}

LawFirm/LawFirm/FormShops.cs

@@ -0,0 +1,124 @@
+using LawFirm;
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicContracts;
+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 LawFirmView
+{
+    public partial class FormShops : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IShopLogic _logic;
+
+        public FormShops(ILogger<FormDocuments> 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["Name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                    dataGridView.Columns["ShopDocuments"].Visible = false;
+                }
+
+                _logger.LogInformation("Загрузка магазинов");
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки магазинов");
+                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?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Удаление магазина");
+
+                    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, "Ошибка удаления изделия");
+                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+    }
+}

LawFirm/LawFirm/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>

LawFirm/LawFirm/Program.cs

@@ -41,11 +41,11 @@ namespace LawFirm
             services.AddTransient<IBlankStorage, BlankStorage>();
             services.AddTransient<IOrderStorage, OrderStorage>();
             services.AddTransient<IDocumentStorage, DocumentStorage>();
-
+            services.AddTransient<IShopStorage, ShopStorage>();
             services.AddTransient<IBlankLogic, BlankLogic>();
             services.AddTransient<IOrderLogic, OrderLogic>();
             services.AddTransient<IDocumentLogic, DocumentLogic>();
-
+            services.AddTransient<IShopLogic, ShopLogic>();
             services.AddTransient<FormMain>();
             services.AddTransient<FormBlank>();
             services.AddTransient<FormBlanks>();
@@ -53,6 +53,10 @@ namespace LawFirm
             services.AddTransient<FormDocument>();
             services.AddTransient<FormDocumentBlank>();
             services.AddTransient<FormDocuments>();
+            services.AddTransient<FormShop>();
+            services.AddTransient<FormShops>();
+            services.AddTransient<FormShopSupply>();
+            services.AddTransient<FormShopSell>();
         }
 
     }

LawFirm/LawFirmBusinessLogic/BusinessLogics/ShopLogic.cs

@@ -0,0 +1,189 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicContracts;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StorageContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace LawFirmBusinessLogic.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 ShopViewModel? ReadElement(ShopSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Shop Name:{0}.ID:{1}", 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 List<ShopViewModel>? ReadList(ShopSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Shop Name:{0}.ID:{1} ", model?.Name, model?.Id);
+
+            var list = (model == null) ? _shopStorage.GetFullList() : _shopStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public bool SupplyDocuments(ShopSearchModel model, IDocumentModel document, int count)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (document == null)
+            {
+                throw new ArgumentNullException(nameof(document));
+            }
+
+            if (count <= 0)
+            {
+                throw new ArgumentNullException("Count of documents in supply myst be more than 0", nameof(count));
+            }
+
+            var shopElement = _shopStorage.GetElement(model);
+            if (shopElement == null) 
+            {
+                _logger.LogWarning("Required shop element not found in storage");
+                return false;
+            }
+            _logger.LogInformation("Shop element found. ID: {0}, Name: {1}", shopElement.Id, shopElement.Name);
+
+            var countDocs = 0;
+            foreach (var doc in shopElement.ShopDocuments)
+            {
+                countDocs += doc.Value.Item2;
+            }
+            if (shopElement.MaxCountDocuments - countDocs >= count)
+            {
+                if (shopElement.ShopDocuments.TryGetValue(document.Id, out var sameDocument))
+                {
+                    shopElement.ShopDocuments[document.Id] = (document, sameDocument.Item2 + count);
+                    _logger.LogInformation("Same document found by supply. Added {0} of {1} in {2} shop", count, document.DocumentName, shopElement.Name);
+                }
+                else
+                {
+                    shopElement.ShopDocuments[document.Id] = (document, count);
+                    _logger.LogInformation("New document added by supply. Added {0} of {1} in {2} shop", count, document.DocumentName, shopElement.Name);
+                }
+                _shopStorage.Update(new()
+                {
+                    Id = shopElement.Id,
+                    Name = shopElement.Name,
+                    Adress = shopElement.Adress,
+                    OpeningDate = shopElement.OpeningDate,
+                    ShopDocuments = shopElement.ShopDocuments,
+                    MaxCountDocuments = shopElement.MaxCountDocuments
+                });
+            }
+            else
+            {
+                _logger.LogWarning("Required shop is overflowed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool SellDocument(DocumentSearchModel document, int count)
+        {;
+            return _shopStorage.SellDocument(document, count);
+        }
+
+        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);
+            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.Name))
+            {
+                throw new ArgumentNullException("Нет названия магазина!", nameof(model.Name));
+            }
+            if (model.MaxCountDocuments < 0)
+            {
+                throw new InvalidOperationException("Магазин с отрицательным количеством максимального количества документов!");
+            }
+            _logger.LogInformation("Shop. Name: {0}, Adress: {1}, ID: {2}", model.Name, model.Adress, model.Id);
+            var element = _shopStorage.GetElement(new ShopSearchModel
+            {
+                Name = model.Name
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Магазин с таким названием уже есть");
+            }
+        }
+    }
+}

LawFirm/LawFirmContracts/BindingModels/ShopBindingModel.cs

@@ -0,0 +1,24 @@
+using LawFirmDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmContracts.BindingModels
+{
+    public class ShopBindingModel : IShopModel
+    {
+        public string Name { get; set; } = string.Empty;
+
+        public string Adress { get; set; } = string.Empty;
+
+        public DateTime OpeningDate { get; set; }
+
+        public Dictionary<int, (IDocumentModel, int)> ShopDocuments { get; set; } = new();
+
+        public int Id { get; set; }
+
+        public int MaxCountDocuments { get; set; }
+    }
+}

LawFirm/LawFirmContracts/BusinessLogicContracts/IShopLogic.cs

@@ -0,0 +1,24 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmContracts.BusinessLogicContracts
+{
+    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 SupplyDocuments(ShopSearchModel model, IDocumentModel document, int count);
+
+        bool SellDocument(DocumentSearchModel document, int count);
+    }
+}

LawFirm/LawFirmContracts/SearchModels/ShopSearchModel.cs

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

LawFirm/LawFirmContracts/StorageContracts/IShopStorage.cs

@@ -0,0 +1,22 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmContracts.StorageContracts
+{
+    public interface IShopStorage
+    {
+        ShopViewModel? GetElement(ShopSearchModel model);
+        List<ShopViewModel> GetFullList();
+        List<ShopViewModel> GetFilteredList(ShopSearchModel model);
+        ShopViewModel? Insert(ShopBindingModel model);
+        ShopViewModel? Update(ShopBindingModel model);
+        ShopViewModel? Delete(ShopBindingModel model);
+        bool SellDocument(DocumentSearchModel model, int count);
+    }
+}

LawFirm/LawFirmContracts/ViewModels/ShopViewModel.cs

@@ -0,0 +1,27 @@
+using LawFirmDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmContracts.ViewModels
+{
+    public class ShopViewModel : IShopModel
+    {
+        [DisplayName("Название магазина")]
+        public string Name { get; set; } = string.Empty;
+        [DisplayName("Адрес")]
+        public string Adress { get; set; } = string.Empty;
+        [DisplayName("Дата открытия")]
+        public DateTime OpeningDate { get; set; }
+
+        public Dictionary<int, (IDocumentModel, int)> ShopDocuments { get; set; } = new();
+
+        public int Id { get; set; }
+
+        [DisplayName("Макс. документов в магазине")]
+        public int MaxCountDocuments { get; set; }
+    }
+}

LawFirm/LawFirmDataModels/Models/IShopModel.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmDataModels.Models
+{
+    public interface IShopModel : IId
+    {
+        String Name { get; }
+        String Adress { get; }
+        DateTime OpeningDate { get; }
+        Dictionary<int, (IDocumentModel, int)> ShopDocuments { get; }
+        int MaxCountDocuments { get; }
+    }
+}

LawFirm/LawFirmFileImplement/DataFileSingleton.cs

@@ -15,9 +15,12 @@ namespace LawFirmFileImplement
         private readonly string BlankFileName = "Blank.xml";
         private readonly string OrderFileName = "Order.xml";
         private readonly string DocumentFileName = "Document.xml";
+        private readonly string ShopFileName = "Shop.xml";
         public List<Blank> Blanks { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Document> Documents { get; private set; }
+        public List<Shop> Shops { get; private set; }
+
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -29,11 +32,13 @@ namespace LawFirmFileImplement
         public void SaveBlanks() => SaveData(Blanks, BlankFileName, "Blanks", x => x.GetXElement);
         public void SaveDocuments() => SaveData(Documents, DocumentFileName, "Documents", 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()
         {
             Blanks = LoadData(BlankFileName, "Blank", x => Blank.Create(x)!)!;
             Documents = LoadData(DocumentFileName, "Document", x => Document.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)
         {

LawFirm/LawFirmFileImplement/Implements/BlankStorage.cs

@@ -79,7 +79,7 @@ namespace LawFirmFileImplement.Implements
             {
                 return null;
             }
-            blank.Update(model);
+            source.Blanks.Remove(blank);
             source.SaveBlanks();
             return blank.GetViewModel;
         }

LawFirm/LawFirmFileImplement/Implements/DocumentStorage.cs

@@ -8,6 +8,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Linq;
 
 namespace LawFirmFileImplement.Implements
 {
@@ -78,7 +79,7 @@ namespace LawFirmFileImplement.Implements
             {
                 return null;
             }
-            document.Update(model);
+            source.Documents.Remove(document);
             source.SaveDocuments();
             return document.GetViewModel;
         }

LawFirm/LawFirmFileImplement/Implements/OrderStorage.cs

@@ -78,7 +78,7 @@ namespace LawFirmFileImplement.Implements
             {
                 return null;
             }
-            order.Update(model);
+            source.Orders.Remove(order);
             source.SaveOrders();
             return order.GetViewModel;
         }

LawFirm/LawFirmFileImplement/Implements/ShopStorage.cs

@@ -0,0 +1,167 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StorageContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmFileImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataFileSingleton source;
+        public ShopStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        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(shop => shop.GetViewModel).ToList();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            model.Id = source.Shops.Count > 0 ? source.Shops.Max(x => x.Id) + 1 : 1;
+            var newShop = Shop.Create(model);
+            if (newShop == null)
+            {
+                return null;
+            }
+            source.Shops.Add(newShop);
+            source.SaveShops();
+            return newShop.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            var shop = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop == null)
+            {
+                return null;
+            }
+            shop.Update(model);
+            source.SaveShops();
+            return shop.GetViewModel;
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            var shop = source.Shops.FirstOrDefault(x => x.Id == model.Id);
+            if (shop == null)
+            {
+                return null;
+            }
+            source.Shops.Remove(shop);
+            source.SaveShops();
+            return shop.GetViewModel;
+        }
+
+        public bool SellDocument(DocumentSearchModel model, int count)
+        {
+            var document = source.Documents.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id);
+
+            var countStore = count;
+
+            if (document == null)
+            {
+                return false;
+            }
+
+            foreach (var shop in source.Shops)
+            {
+                foreach (var doc in shop.ShopDocuments)
+                {
+                    if (doc.Value.Item1.Id == document.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 documents = shop.ShopDocuments;
+
+                for (int j =1; j < documents.Count + 1; j++)
+                {
+                    if (documents[j].Item1.Id == document.Id)
+                    {
+                        while (documents[j].Item2 > 0 && count > 0)
+                        {
+                            int tempItem2 = documents[j].Item2;
+                            tempItem2--;
+                            count--;
+                            documents[j] = (documents[j].Item1, tempItem2);
+                        }
+                    }
+
+                    if (count <= 0)
+                    {
+                        shop.Update(new ShopBindingModel
+                        {
+                            Id = shop.Id,
+                            Name = shop.Name,
+                            Adress = shop.Adress,
+                            OpeningDate = shop.OpeningDate,
+                            MaxCountDocuments = shop.MaxCountDocuments,
+                            ShopDocuments = documents
+                        });
+                        return true;
+                    }
+                }
+
+                shop.Update(new ShopBindingModel
+                {
+                    Id = shop.Id,
+                    Name = shop.Name,
+                    Adress = shop.Adress,
+                    OpeningDate = shop.OpeningDate,
+                    MaxCountDocuments = shop.MaxCountDocuments,
+                    ShopDocuments = documents
+                });
+            }
+
+            if (count > 0)
+            {
+                return false;
+            }
+            return true;
+        }
+    }
+}

LawFirm/LawFirmFileImplement/Models/Document.cs

@@ -92,7 +92,7 @@ namespace LawFirmFileImplement.Models
         };
 
         public XElement GetXElement => new(
-            "Document",
+             "Document",
              new XAttribute("Id", Id),
              new XElement("DocumentName", DocumentName),
              new XElement("Price", Price.ToString()),

LawFirm/LawFirmFileImplement/Models/Shop.cs

@@ -0,0 +1,121 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.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 LawFirmFileImplement.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 int MaxCountDocuments { get; private set; }
+
+        public DateTime OpeningDate { get; private set; }
+
+        public Dictionary<int, int> Documents { get; private set; } = new();
+
+        private Dictionary<int, (IDocumentModel, int)>? _shopDocuments = null;
+
+        public Dictionary<int, (IDocumentModel, int)> ShopDocuments
+        {
+            get
+            {
+                if (_shopDocuments == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _shopDocuments = Documents.ToDictionary(
+                        x => x.Key,
+                        y => ((source.Documents.FirstOrDefault(z => z.Id == y.Key) as IDocumentModel)!, y.Value)
+                    );
+                }
+                return _shopDocuments;
+            }
+        }
+
+        public static Shop? Create(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Adress = model.Adress,
+                MaxCountDocuments = model.MaxCountDocuments,
+                OpeningDate = model.OpeningDate,
+                Documents = model.ShopDocuments.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),
+                Name = element.Element("Name")!.Value,
+                Adress = element.Element("Address")!.Value,
+                MaxCountDocuments = Convert.ToInt32(element.Element("MaxCountDocuments")!.Value),
+                OpeningDate = Convert.ToDateTime(element.Element("OpeningDate")!.Value),
+                Documents= element.Element("ShopDocuments")!.Elements("ShopDocument").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;
+            MaxCountDocuments = model.MaxCountDocuments;
+            Documents = model.ShopDocuments.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _shopDocuments = null;
+        }
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Adress = Adress,
+            OpeningDate = OpeningDate,
+            ShopDocuments = ShopDocuments,
+            MaxCountDocuments = MaxCountDocuments
+        };
+
+        public XElement GetXElement => new(
+            "Shop",
+             new XAttribute("Id", Id),
+             new XElement("Name", Name),
+             new XElement("Address", Adress),
+             new XElement("MaxCountDocuments", MaxCountDocuments),
+             new XElement("OpeningDate", OpeningDate.ToString()),
+             new XElement("ShopDocuments", Documents.Select (x =>
+             new XElement("ShopDocument",
+             new XElement("Key", x.Key),
+             new XElement("Value", x.Value)))
+            .ToArray()));
+    }
+}
+

LawFirm/LawFirmListImplements/DataListSingleton.cs

@@ -14,11 +14,13 @@ namespace LawFirmListImplements
         public List<Blank> Blanks { get; set; }
         public List<Order> Orders { get; set; }
         public List<Document> Documents { get; set; }
+        public List<Shop> Shops { get; set; }
         private DataListSingleton()
         {
             Blanks = new List<Blank>();
             Orders = new List<Order>();
             Documents = new List<Document>();
+            Shops = new List<Shop>();
         }
         public static DataListSingleton GetInstance()
         {

LawFirm/LawFirmListImplements/Implements/ShopStorage.cs

@@ -0,0 +1,124 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StorageContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmListImplements.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Formats.Asn1.AsnWriter;
+
+namespace LawFirmListImplements.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        private readonly DataListSingleton _source;
+
+        public ShopStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        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.Name == model.Name) || (model.Id.HasValue && shop.Id == model.Id))
+                {
+                    return shop.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
+        {
+            var result = new List<ShopViewModel>();
+
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                return result;
+            }
+            foreach (var shop in _source.Shops)
+            {
+                if (shop.Name.Contains(model.Name))
+                {
+                    result.Add(shop.GetViewModel);
+                }
+            }
+            return result;
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            var result = new List<ShopViewModel>();
+            foreach (var shop in _source.Shops)
+            {
+                result.Add(shop.GetViewModel);
+            }
+            return result;
+        }
+
+        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 SellDocument(DocumentSearchModel model, int count)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

LawFirm/LawFirmListImplements/Models/Shop.cs

@@ -0,0 +1,70 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Formats.Asn1.AsnWriter;
+
+namespace LawFirmListImplements.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 MaxCountDocuments { get; private set; }
+
+        public Dictionary<int, (IDocumentModel, int)> ShopDocuments { get; private set; } = new();
+
+        public static Shop? Create (ShopBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Adress = model.Adress,
+                OpeningDate = model.OpeningDate,
+                MaxCountDocuments = model.MaxCountDocuments,
+                ShopDocuments = new()
+            };
+        }
+
+        public void Update(ShopBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Name = model.Name;
+            Adress = model.Adress;
+            OpeningDate = model.OpeningDate;
+            ShopDocuments = model.ShopDocuments;
+            MaxCountDocuments= model.MaxCountDocuments;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Adress = Adress,
+            OpeningDate = OpeningDate,
+            ShopDocuments = ShopDocuments,
+            MaxCountDocuments = MaxCountDocuments
+        };
+
+        
+    }
+}