FurnitureCompany/FurnitureCompany/Entities/Client.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities;
+
+public class Client
+{
+    public int Id { get; private set; }
+
+    public string Name { get; private set; } = string.Empty;
+
+    public string Address { get; private set; } = string.Empty;
+
+    public int Age { get; private set; }
+
+    public double Earnings { get; private set; }
+
+    public static Client CreateEntity(int id, string name, string address, int age, double earnings)
+    {
+        return new Client
+        {
+            Id = id,
+            Name = name ?? string.Empty,
+            Address = address ?? string.Empty,
+            Age = age,
+            Earnings = earnings
+        };
+    }
+}

FurnitureCompany/FurnitureCompany/Entities/Delivery.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities;
+
+public class Delivery
+{
+    public int Id { get; private set; }
+
+    public int WorkerId { get; private set; }
+
+    public DateTime DateDelivery { get; private set; }
+
+    public IEnumerable<DeliveryProduct> DeliveryProducts { get; private set; } = [];
+
+    public static Delivery CreateOperation(int id, int  workerId, IEnumerable<DeliveryProduct> deliveryProducts)
+    {
+        return new Delivery
+        {
+            Id = id,
+            WorkerId = workerId,
+            DateDelivery = DateTime.Now,
+            DeliveryProducts = deliveryProducts
+        };
+    }
+}

FurnitureCompany/FurnitureCompany/Entities/DeliveryProduct.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities;
+
+public class DeliveryProduct
+{
+    public int Id { get; private set; }
+
+    public int ProductId { get; private set; }
+
+    public int DeliveryId { get; private set; }
+
+    public int Count { get; private set; }
+
+    public static DeliveryProduct CreateElement(int id, int productId, int deliveryId, int count)
+    {
+        return new DeliveryProduct
+        {
+            Id = id,
+            ProductId = productId,
+            DeliveryId = deliveryId,
+            Count = count
+        };
+    }
+}

FurnitureCompany/FurnitureCompany/Entities/Enums/Material.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities.Enums;
+
+[Flags]
+public enum Material
+{
+    None = 0,
+
+    Wood = 1,
+
+    Stone = 2,
+
+    Glass = 4,
+
+    Metal = 8
+}

FurnitureCompany/FurnitureCompany/Entities/Enums/WorkerPost.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities.Enums;
+
+public enum WorkerPost
+{
+    None = 0,
+
+    Beginner = 1,
+
+    Advanced = 2,
+
+    Professional = 3
+}

FurnitureCompany/FurnitureCompany/Entities/Invoice.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities;
+
+public class Invoice
+{
+    public int Id { get; private set; }
+
+    public int WorkerId { get; private set; }
+
+    public int ClientId { get; private set; }
+
+    public int ProductId { get; private set; }
+
+    public DateTime Date { get; private set; }
+
+    public int CountProduct { get; private set; }
+
+    public static Invoice CreateOperation(int id, int workerId, int clientId, int productId, int countProduct)
+    {
+        return new Invoice
+        {
+            Id = id,
+            WorkerId = workerId,
+            ClientId = clientId,
+            ProductId = productId,
+            Date = DateTime.Now,
+            CountProduct = countProduct
+        };
+    }
+}

FurnitureCompany/FurnitureCompany/Entities/Product.cs

@@ -0,0 +1,30 @@
+using FurnitureCompany.Entities.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities;
+
+public class Product
+{
+    public int Id { get; private set; }
+
+    public string Name { get; private set; } = string.Empty;
+
+    public Material Material { get; private set; }
+
+    public double Price { get; private set; }
+
+    public static Product CreateEntity(int id, Material material, string name, double price)
+    {
+        return new Product
+        {
+            Id = id,
+            Material = material,
+            Name = name ?? string.Empty,
+            Price = price
+        };
+    }
+}

FurnitureCompany/FurnitureCompany/Entities/Worker.cs

@@ -0,0 +1,30 @@
+using FurnitureCompany.Entities.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Entities;
+
+public class Worker
+{
+    public int Id { get; private set; }
+
+    public string FirstName { get; private set; } = string.Empty;
+
+    public string LastName { get; private set; } = string.Empty;
+
+    public WorkerPost WorkerPost { get; private set; }
+
+    public static Worker CreateEntity(int id, string firstName, string lastName, WorkerPost workerPost)
+    {
+        return new Worker
+        {
+            Id = id,
+            FirstName = firstName ?? string.Empty,
+            LastName = lastName ?? string.Empty,
+            WorkerPost = workerPost
+        };
+    }
+}

FurnitureCompany/FurnitureCompany/Form1.Designer.cs

@@ -1,39 +0,0 @@
-namespace FurnitureCompany
-{
-    partial class Form1
-    {
-        /// <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.components = new System.ComponentModel.Container();
-            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(800, 450);
-            this.Text = "Form1";
-        }
-
-        #endregion
-    }
-}

FurnitureCompany/FurnitureCompany/Form1.cs

@@ -1,10 +0,0 @@
-namespace FurnitureCompany
-{
-    public partial class Form1 : Form
-    {
-        public Form1()
-        {
-            InitializeComponent();
-        }
-    }
-}

FurnitureCompany/FurnitureCompany/FormFurnitureCompany.Designer.cs

@@ -0,0 +1,138 @@
+namespace FurnitureCompany
+{
+    partial class FormFurnitureCompany
+    {
+        /// <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()
+        {
+            menuStrip1 = new MenuStrip();
+            справочникиToolStripMenuItem = new ToolStripMenuItem();
+            WorkersToolStripMenuItem = new ToolStripMenuItem();
+            ClientsToolStripMenuItem = new ToolStripMenuItem();
+            ProductsToolStripMenuItem = new ToolStripMenuItem();
+            операцииToolStripMenuItem = new ToolStripMenuItem();
+            InvoicesToolStripMenuItem = new ToolStripMenuItem();
+            DeliveryToolStripMenuItem = new ToolStripMenuItem();
+            отчётыToolStripMenuItem = new ToolStripMenuItem();
+            menuStrip1.SuspendLayout();
+            SuspendLayout();
+            // 
+            // menuStrip1
+            // 
+            menuStrip1.ImageScalingSize = new Size(20, 20);
+            menuStrip1.Items.AddRange(new ToolStripItem[] { справочникиToolStripMenuItem, операцииToolStripMenuItem, отчётыToolStripMenuItem });
+            menuStrip1.Location = new Point(0, 0);
+            menuStrip1.Name = "menuStrip1";
+            menuStrip1.Size = new Size(782, 28);
+            menuStrip1.TabIndex = 0;
+            menuStrip1.Text = "menuStrip1";
+            // 
+            // справочникиToolStripMenuItem
+            // 
+            справочникиToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { WorkersToolStripMenuItem, ClientsToolStripMenuItem, ProductsToolStripMenuItem });
+            справочникиToolStripMenuItem.Name = "справочникиToolStripMenuItem";
+            справочникиToolStripMenuItem.Size = new Size(117, 24);
+            справочникиToolStripMenuItem.Text = "Справочники";
+            // 
+            // WorkersToolStripMenuItem
+            // 
+            WorkersToolStripMenuItem.Name = "WorkersToolStripMenuItem";
+            WorkersToolStripMenuItem.Size = new Size(166, 26);
+            WorkersToolStripMenuItem.Text = "Работники";
+            WorkersToolStripMenuItem.Click += WorkersToolStripMenuItem_Click;
+            // 
+            // ClientsToolStripMenuItem
+            // 
+            ClientsToolStripMenuItem.Name = "ClientsToolStripMenuItem";
+            ClientsToolStripMenuItem.Size = new Size(166, 26);
+            ClientsToolStripMenuItem.Text = "Клиенты";
+            ClientsToolStripMenuItem.Click += ClientsToolStripMenuItem_Click;
+            // 
+            // ProductsToolStripMenuItem
+            // 
+            ProductsToolStripMenuItem.Name = "ProductsToolStripMenuItem";
+            ProductsToolStripMenuItem.Size = new Size(166, 26);
+            ProductsToolStripMenuItem.Text = "Изделия";
+            ProductsToolStripMenuItem.Click += ProductsToolStripMenuItem_Click;
+            // 
+            // операцииToolStripMenuItem
+            // 
+            операцииToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { InvoicesToolStripMenuItem, DeliveryToolStripMenuItem });
+            операцииToolStripMenuItem.Name = "операцииToolStripMenuItem";
+            операцииToolStripMenuItem.Size = new Size(95, 24);
+            операцииToolStripMenuItem.Text = "Операции";
+            // 
+            // InvoicesToolStripMenuItem
+            // 
+            InvoicesToolStripMenuItem.Name = "InvoicesToolStripMenuItem";
+            InvoicesToolStripMenuItem.Size = new Size(233, 26);
+            InvoicesToolStripMenuItem.Text = "Оформление заказа";
+            InvoicesToolStripMenuItem.Click += InvoicesToolStripMenuItem_Click;
+            // 
+            // DeliveryToolStripMenuItem
+            // 
+            DeliveryToolStripMenuItem.Name = "DeliveryToolStripMenuItem";
+            DeliveryToolStripMenuItem.Size = new Size(233, 26);
+            DeliveryToolStripMenuItem.Text = "Доставка";
+            DeliveryToolStripMenuItem.Click += DeliveryToolStripMenuItem_Click;
+            // 
+            // отчётыToolStripMenuItem
+            // 
+            отчётыToolStripMenuItem.Name = "отчётыToolStripMenuItem";
+            отчётыToolStripMenuItem.Size = new Size(73, 24);
+            отчётыToolStripMenuItem.Text = "Отчёты";
+            // 
+            // FormFurnitureCompany
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            BackgroundImage = Properties.Resources._57435d62a4b6bbc87520597c0e8c4c3a;
+            BackgroundImageLayout = ImageLayout.Stretch;
+            ClientSize = new Size(782, 403);
+            Controls.Add(menuStrip1);
+            MainMenuStrip = menuStrip1;
+            Name = "FormFurnitureCompany";
+            StartPosition = FormStartPosition.CenterScreen;
+            Text = "Мебельная компания";
+            menuStrip1.ResumeLayout(false);
+            menuStrip1.PerformLayout();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private MenuStrip menuStrip1;
+        private ToolStripMenuItem справочникиToolStripMenuItem;
+        private ToolStripMenuItem WorkersToolStripMenuItem;
+        private ToolStripMenuItem ClientsToolStripMenuItem;
+        private ToolStripMenuItem ProductsToolStripMenuItem;
+        private ToolStripMenuItem операцииToolStripMenuItem;
+        private ToolStripMenuItem отчётыToolStripMenuItem;
+        private ToolStripMenuItem InvoicesToolStripMenuItem;
+        private ToolStripMenuItem DeliveryToolStripMenuItem;
+    }
+}

FurnitureCompany/FurnitureCompany/FormFurnitureCompany.cs

@@ -0,0 +1,77 @@
+using FurnitureCompany.Forms;
+using Unity;
+
+namespace FurnitureCompany
+{
+    public partial class FormFurnitureCompany : Form
+    {
+        private readonly IUnityContainer _container;
+
+        public FormFurnitureCompany(IUnityContainer container)
+        {
+            InitializeComponent();
+            _container = container ??
+                throw new ArgumentNullException(nameof(container));
+        }
+
+        private void WorkersToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormWorkers>().ShowDialog();
+            }
+            catch(Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Îøèáêà ïðè çàãðóçêå", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ClientsToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormClients>().ShowDialog();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Îøèáêà ïðè çàãðóçêå", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ProductsToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormProducts>().ShowDialog();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Îøèáêà ïðè çàãðóçêå", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void InvoicesToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormInvoices>().ShowDialog();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Îøèáêà ïðè çàãðóçêå", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void DeliveryToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormDeliverys>().ShowDialog();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Îøèáêà ïðè çàãðóçêå", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/FormFurnitureCompany.resx

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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="menuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+</root>

FurnitureCompany/FurnitureCompany/Forms/FormClient.Designer.cs

@@ -0,0 +1,172 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormClient
+    {
+        /// <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()
+        {
+            labelClientName = new Label();
+            labelClientAddress = new Label();
+            labelClientAge = new Label();
+            textBoxClientName = new TextBox();
+            textBoxClientAddress = new TextBox();
+            labelClientEarnings = new Label();
+            numericUpDownClientEarnings = new NumericUpDown();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            numericUpDownClientAge = new NumericUpDown();
+            ((System.ComponentModel.ISupportInitialize)numericUpDownClientEarnings).BeginInit();
+            ((System.ComponentModel.ISupportInitialize)numericUpDownClientAge).BeginInit();
+            SuspendLayout();
+            // 
+            // labelClientName
+            // 
+            labelClientName.AutoSize = true;
+            labelClientName.Location = new Point(46, 34);
+            labelClientName.Name = "labelClientName";
+            labelClientName.Size = new Size(101, 20);
+            labelClientName.TabIndex = 0;
+            labelClientName.Text = "Имя клиента:";
+            // 
+            // labelClientAddress
+            // 
+            labelClientAddress.AutoSize = true;
+            labelClientAddress.Location = new Point(46, 95);
+            labelClientAddress.Name = "labelClientAddress";
+            labelClientAddress.Size = new Size(147, 20);
+            labelClientAddress.TabIndex = 1;
+            labelClientAddress.Text = "Адрес проживания:";
+            // 
+            // labelClientAge
+            // 
+            labelClientAge.AutoSize = true;
+            labelClientAge.Location = new Point(46, 160);
+            labelClientAge.Name = "labelClientAge";
+            labelClientAge.Size = new Size(67, 20);
+            labelClientAge.TabIndex = 2;
+            labelClientAge.Text = "Возраст:";
+            // 
+            // textBoxClientName
+            // 
+            textBoxClientName.Location = new Point(212, 31);
+            textBoxClientName.Name = "textBoxClientName";
+            textBoxClientName.Size = new Size(192, 27);
+            textBoxClientName.TabIndex = 3;
+            // 
+            // textBoxClientAddress
+            // 
+            textBoxClientAddress.Location = new Point(212, 92);
+            textBoxClientAddress.Name = "textBoxClientAddress";
+            textBoxClientAddress.Size = new Size(192, 27);
+            textBoxClientAddress.TabIndex = 4;
+            // 
+            // labelClientEarnings
+            // 
+            labelClientEarnings.AutoSize = true;
+            labelClientEarnings.Location = new Point(46, 223);
+            labelClientEarnings.Name = "labelClientEarnings";
+            labelClientEarnings.Size = new Size(71, 20);
+            labelClientEarnings.TabIndex = 6;
+            labelClientEarnings.Text = "Выручка:";
+            // 
+            // numericUpDownClientEarnings
+            // 
+            numericUpDownClientEarnings.DecimalPlaces = 2;
+            numericUpDownClientEarnings.Location = new Point(212, 221);
+            numericUpDownClientEarnings.Maximum = new decimal(new int[] { 10000, 0, 0, 0 });
+            numericUpDownClientEarnings.Minimum = new decimal(new int[] { 1, 0, 0, 131072 });
+            numericUpDownClientEarnings.Name = "numericUpDownClientEarnings";
+            numericUpDownClientEarnings.Size = new Size(150, 27);
+            numericUpDownClientEarnings.TabIndex = 7;
+            numericUpDownClientEarnings.Value = new decimal(new int[] { 1, 0, 0, 131072 });
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(99, 300);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 8;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += ButtonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(268, 300);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 9;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += ButtonCancel_Click;
+            // 
+            // numericUpDownClientAge
+            // 
+            numericUpDownClientAge.Location = new Point(212, 158);
+            numericUpDownClientAge.Minimum = new decimal(new int[] { 1, 0, 0, 0 });
+            numericUpDownClientAge.Name = "numericUpDownClientAge";
+            numericUpDownClientAge.Size = new Size(150, 27);
+            numericUpDownClientAge.TabIndex = 10;
+            numericUpDownClientAge.Value = new decimal(new int[] { 1, 0, 0, 0 });
+            // 
+            // FormClient
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(450, 365);
+            Controls.Add(numericUpDownClientAge);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(numericUpDownClientEarnings);
+            Controls.Add(labelClientEarnings);
+            Controls.Add(textBoxClientAddress);
+            Controls.Add(textBoxClientName);
+            Controls.Add(labelClientAge);
+            Controls.Add(labelClientAddress);
+            Controls.Add(labelClientName);
+            Name = "FormClient";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Клиент";
+            ((System.ComponentModel.ISupportInitialize)numericUpDownClientEarnings).EndInit();
+            ((System.ComponentModel.ISupportInitialize)numericUpDownClientAge).EndInit();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label labelClientName;
+        private Label labelClientAddress;
+        private Label labelClientAge;
+        private TextBox textBoxClientName;
+        private TextBox textBoxClientAddress;
+        private Label labelClientEarnings;
+        private NumericUpDown numericUpDownClientEarnings;
+        private Button buttonSave;
+        private Button buttonCancel;
+        private NumericUpDown numericUpDownClientAge;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormClient.cs

@@ -0,0 +1,88 @@
+using FurnitureCompany.Entities;
+using FurnitureCompany.Repositories;
+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 FurnitureCompany.Forms
+{
+    public partial class FormClient : Form
+    {
+        private readonly IClientRepository _clientRepository;
+
+        private int? _clientId;
+
+        public int Id
+        {
+            set
+            {
+                try
+                {
+                    var client = _clientRepository.ReadClientById(value);
+                    if (client == null)
+                    {
+                        throw new InvalidDataException(nameof(client));
+                    }
+
+                    textBoxClientName.Text = client.Name;
+                    textBoxClientAddress.Text = client.Address;
+                    numericUpDownClientAge.Value = client.Age;
+                    numericUpDownClientEarnings.Value = (decimal)client.Earnings;
+                    _clientId = value;
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+            }
+        }
+
+        public FormClient(IClientRepository clientRepository)
+        {
+            InitializeComponent();
+            _clientRepository = clientRepository ??
+                throw new ArgumentNullException(nameof(clientRepository));
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                if (string.IsNullOrWhiteSpace(textBoxClientName.Text) ||
+                    string.IsNullOrWhiteSpace(textBoxClientAddress.Text))
+                {
+                    throw new Exception("Имеются незаполненные поля");
+                }
+
+                if(_clientId.HasValue)
+                {
+                    _clientRepository.UpdateClient(CreateClient(_clientId.Value));
+                }
+                else
+                {
+                    _clientRepository.CreateClient(CreateClient(0));
+                }
+
+                Close();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e) => Close();
+
+        private Client CreateClient(int id) => Client.CreateEntity(id,
+            textBoxClientName.Text, textBoxClientAddress.Text,
+            Convert.ToInt32(numericUpDownClientAge.Value),
+            Convert.ToDouble(numericUpDownClientEarnings.Value));
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormClient.resx

@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
+  <!--
+    Microsoft ResX Schema
+
     Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
-    There are any number of "resheader" rows that contain simple 
+
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->

FurnitureCompany/FurnitureCompany/Forms/FormClients.Designer.cs

@@ -0,0 +1,127 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormClients
+    {
+        /// <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()
+        {
+            panel1 = new Panel();
+            buttonDel = new Button();
+            buttonUpd = new Button();
+            buttonAdd = new Button();
+            dataGridViewData = new DataGridView();
+            panel1.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).BeginInit();
+            SuspendLayout();
+            // 
+            // panel1
+            // 
+            panel1.Controls.Add(buttonDel);
+            panel1.Controls.Add(buttonUpd);
+            panel1.Controls.Add(buttonAdd);
+            panel1.Dock = DockStyle.Right;
+            panel1.Location = new Point(729, 0);
+            panel1.Name = "panel1";
+            panel1.Size = new Size(153, 403);
+            panel1.TabIndex = 0;
+            // 
+            // buttonDel
+            // 
+            buttonDel.BackgroundImage = Properties.Resources.minus;
+            buttonDel.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonDel.Location = new Point(28, 234);
+            buttonDel.Name = "buttonDel";
+            buttonDel.Size = new Size(94, 88);
+            buttonDel.TabIndex = 2;
+            buttonDel.UseVisualStyleBackColor = true;
+            buttonDel.Click += ButtonDel_Click;
+            // 
+            // buttonUpd
+            // 
+            buttonUpd.BackgroundImage = Properties.Resources._58d48b2c9540b15afe3fa643;
+            buttonUpd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonUpd.Location = new Point(28, 116);
+            buttonUpd.Name = "buttonUpd";
+            buttonUpd.Size = new Size(94, 97);
+            buttonUpd.TabIndex = 1;
+            buttonUpd.UseVisualStyleBackColor = true;
+            buttonUpd.Click += ButtonUpd_Click;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.BackgroundImage = Properties.Resources.png_clipart_plus_plus;
+            buttonAdd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonAdd.Location = new Point(28, 12);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(94, 88);
+            buttonAdd.TabIndex = 0;
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += ButtonAdd_Click;
+            // 
+            // dataGridViewData
+            // 
+            dataGridViewData.AllowUserToAddRows = false;
+            dataGridViewData.AllowUserToDeleteRows = false;
+            dataGridViewData.AllowUserToResizeColumns = false;
+            dataGridViewData.AllowUserToResizeRows = false;
+            dataGridViewData.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridViewData.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridViewData.Dock = DockStyle.Fill;
+            dataGridViewData.Location = new Point(0, 0);
+            dataGridViewData.MultiSelect = false;
+            dataGridViewData.Name = "dataGridViewData";
+            dataGridViewData.ReadOnly = true;
+            dataGridViewData.RowHeadersVisible = false;
+            dataGridViewData.RowHeadersWidth = 51;
+            dataGridViewData.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridViewData.Size = new Size(729, 403);
+            dataGridViewData.TabIndex = 1;
+            // 
+            // FormClients
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(882, 403);
+            Controls.Add(dataGridViewData);
+            Controls.Add(panel1);
+            Name = "FormClients";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Клиенты";
+            Load += FormClients_Load;
+            panel1.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private Panel panel1;
+        private Button buttonDel;
+        private Button buttonUpd;
+        private Button buttonAdd;
+        private DataGridView dataGridViewData;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormClients.cs

@@ -0,0 +1,113 @@
+using FurnitureCompany.Repositories;
+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;
+using Unity;
+
+namespace FurnitureCompany.Forms
+{
+    public partial class FormClients : Form
+    {
+        private readonly IUnityContainer _container;
+
+        private readonly IClientRepository _clientRepository;
+
+        public FormClients(IUnityContainer container, IClientRepository clientRepository)
+        {
+            InitializeComponent();
+            _container = container ??
+                throw new ArgumentNullException(nameof(container));
+            _clientRepository = clientRepository ??
+                throw new ArgumentNullException(nameof(clientRepository));
+        }
+
+        private void FormClients_Load(object sender, EventArgs e)
+        {
+            try
+            {
+                LoadList();
+            }
+            catch(Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonAdd_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormClient>().ShowDialog();
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonUpd_Click(object sender, EventArgs e)
+        {
+            if (!TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            try
+            {
+                var form = _container.Resolve<FormClient>();
+                form.Id = findId;
+                form.ShowDialog();
+                LoadList();
+            }
+            catch( Exception ex )
+            {
+                MessageBox.Show(ex.Message, "Ошибка при изменении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonDel_Click(object sender, EventArgs e)
+        {
+            if (!TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            if(MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
+            {
+                return;
+            }
+
+            try
+            {
+                _clientRepository.DeleteClient(findId);
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void LoadList() => dataGridViewData.DataSource = _clientRepository.ReadClients();
+
+        private bool TryGetIdentifierFromSelectedRow(out int id)
+        {
+            id = 0;
+            if (dataGridViewData.SelectedRows.Count < 1)
+            {
+                MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return false;
+            }
+
+            id = Convert.ToInt32(dataGridViewData.SelectedRows[0].Cells["id"].Value);
+            return true;
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormClients.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/Forms/FormDelivery.Designer.cs

@@ -0,0 +1,152 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormDelivery
+    {
+        /// <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()
+        {
+            comboBoxWorker = new ComboBox();
+            labelWorkerId = new Label();
+            groupBoxProducts = new GroupBox();
+            dataGridViewProducts = new DataGridView();
+            ColumnProduct = new DataGridViewComboBoxColumn();
+            ColumnCount = new DataGridViewTextBoxColumn();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            groupBoxProducts.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridViewProducts).BeginInit();
+            SuspendLayout();
+            // 
+            // comboBoxWorker
+            // 
+            comboBoxWorker.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxWorker.FormattingEnabled = true;
+            comboBoxWorker.Location = new Point(150, 38);
+            comboBoxWorker.Name = "comboBoxWorker";
+            comboBoxWorker.Size = new Size(189, 28);
+            comboBoxWorker.TabIndex = 6;
+            // 
+            // labelWorkerId
+            // 
+            labelWorkerId.AutoSize = true;
+            labelWorkerId.Location = new Point(54, 41);
+            labelWorkerId.Name = "labelWorkerId";
+            labelWorkerId.Size = new Size(77, 20);
+            labelWorkerId.TabIndex = 5;
+            labelWorkerId.Text = "Работник:";
+            // 
+            // groupBoxProducts
+            // 
+            groupBoxProducts.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;
+            groupBoxProducts.Controls.Add(dataGridViewProducts);
+            groupBoxProducts.Location = new Point(27, 92);
+            groupBoxProducts.Name = "groupBoxProducts";
+            groupBoxProducts.Size = new Size(344, 295);
+            groupBoxProducts.TabIndex = 7;
+            groupBoxProducts.TabStop = false;
+            groupBoxProducts.Text = "Изделия";
+            // 
+            // dataGridViewProducts
+            // 
+            dataGridViewProducts.AllowUserToResizeColumns = false;
+            dataGridViewProducts.AllowUserToResizeRows = false;
+            dataGridViewProducts.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridViewProducts.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridViewProducts.Columns.AddRange(new DataGridViewColumn[] { ColumnProduct, ColumnCount });
+            dataGridViewProducts.Dock = DockStyle.Fill;
+            dataGridViewProducts.Location = new Point(3, 23);
+            dataGridViewProducts.MultiSelect = false;
+            dataGridViewProducts.Name = "dataGridViewProducts";
+            dataGridViewProducts.RowHeadersVisible = false;
+            dataGridViewProducts.RowHeadersWidth = 51;
+            dataGridViewProducts.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridViewProducts.Size = new Size(338, 269);
+            dataGridViewProducts.TabIndex = 0;
+            // 
+            // ColumnProduct
+            // 
+            ColumnProduct.HeaderText = "Изделие";
+            ColumnProduct.MinimumWidth = 6;
+            ColumnProduct.Name = "ColumnProduct";
+            // 
+            // ColumnCount
+            // 
+            ColumnCount.HeaderText = "Количество";
+            ColumnCount.MinimumWidth = 6;
+            ColumnCount.Name = "ColumnCount";
+            // 
+            // buttonSave
+            // 
+            buttonSave.Anchor = AnchorStyles.Bottom | AnchorStyles.Left;
+            buttonSave.Location = new Point(69, 410);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 8;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += ButtonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Anchor = AnchorStyles.Bottom | AnchorStyles.Right;
+            buttonCancel.Location = new Point(245, 410);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 9;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += ButtonCancel_Click;
+            // 
+            // FormDelivery
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(405, 466);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(groupBoxProducts);
+            Controls.Add(comboBoxWorker);
+            Controls.Add(labelWorkerId);
+            Name = "FormDelivery";
+            Text = "Доставка";
+            groupBoxProducts.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridViewProducts).EndInit();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private ComboBox comboBoxWorker;
+        private Label labelWorkerId;
+        private GroupBox groupBoxProducts;
+        private DataGridView dataGridViewProducts;
+        private Button buttonSave;
+        private Button buttonCancel;
+        private DataGridViewComboBoxColumn ColumnProduct;
+        private DataGridViewTextBoxColumn ColumnCount;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormDelivery.cs

@@ -0,0 +1,77 @@
+using FurnitureCompany.Entities;
+using FurnitureCompany.Repositories;
+using FurnitureCompany.Repositories.Implementations;
+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 FurnitureCompany.Forms
+{
+    public partial class FormDelivery : Form
+    {
+        private readonly IDeliveryRepository _deliveryRepository;
+
+        public FormDelivery(IDeliveryRepository deliveryRepository,
+            IProductRepository productRepository,
+            IWorkerRepository workerRepository)
+        {
+            InitializeComponent();
+            _deliveryRepository = deliveryRepository ??
+                throw new ArgumentNullException(nameof(deliveryRepository));
+
+            comboBoxWorker.DataSource = workerRepository.ReadWorkers();
+            comboBoxWorker.DisplayMember = "FirstName";
+            comboBoxWorker.ValueMember = "Id";
+
+            ColumnProduct.DataSource = productRepository.ReadProducts();
+            ColumnProduct.DisplayMember = "Name";
+            ColumnProduct.ValueMember = "Id";
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                if (dataGridViewProducts.RowCount < 1 ||
+                    comboBoxWorker.SelectedIndex < 0)
+                {
+                    throw new Exception("Имеются незаполненные поля");
+                }
+
+                _deliveryRepository.CreateDelivery(Delivery.CreateOperation(0,
+                    (int)comboBoxWorker.SelectedValue!, CreateListDeliveryProductFromDataGrid()));
+
+                Close();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e) => Close();
+
+        private List<DeliveryProduct> CreateListDeliveryProductFromDataGrid()
+        {
+            var list = new List<DeliveryProduct>();
+            foreach (DataGridViewRow row in dataGridViewProducts.Rows)
+            {
+                if (row.Cells["ColumnFeed"].Value == null || row.Cells["ColumnCount"].Value == null)
+                {
+                    continue;
+                }
+
+                list.Add(DeliveryProduct.CreateElement(0, Convert.ToInt32(row.Cells["ColumnFeed"].Value),
+                Convert.ToInt32(row.Cells["ColumnCount"].Value), 0));
+            }
+
+            return list;
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormDelivery.resx

@@ -0,0 +1,126 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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="ColumnProduct.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>

FurnitureCompany/FurnitureCompany/Forms/FormDeliverys.Designer.cs

@@ -0,0 +1,112 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormDeliverys
+    {
+        /// <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()
+        {
+            panel1 = new Panel();
+            buttonDel = new Button();
+            buttonAdd = new Button();
+            dataGridView = new DataGridView();
+            panel1.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            SuspendLayout();
+            // 
+            // panel1
+            // 
+            panel1.Controls.Add(buttonDel);
+            panel1.Controls.Add(buttonAdd);
+            panel1.Dock = DockStyle.Right;
+            panel1.Location = new Point(590, 0);
+            panel1.Name = "panel1";
+            panel1.Size = new Size(210, 450);
+            panel1.TabIndex = 0;
+            // 
+            // buttonDel
+            // 
+            buttonDel.BackgroundImage = Properties.Resources.minus;
+            buttonDel.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonDel.Location = new Point(64, 210);
+            buttonDel.Name = "buttonDel";
+            buttonDel.Size = new Size(94, 86);
+            buttonDel.TabIndex = 1;
+            buttonDel.UseVisualStyleBackColor = true;
+            buttonDel.Click += ButtonDel_Click;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.BackgroundImage = Properties.Resources.png_clipart_plus_plus;
+            buttonAdd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonAdd.Location = new Point(64, 54);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(94, 86);
+            buttonAdd.TabIndex = 0;
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += ButtonAdd_Click;
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToAddRows = false;
+            dataGridView.AllowUserToDeleteRows = false;
+            dataGridView.AllowUserToResizeColumns = false;
+            dataGridView.AllowUserToResizeRows = false;
+            dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Dock = DockStyle.Fill;
+            dataGridView.Location = new Point(0, 0);
+            dataGridView.MultiSelect = false;
+            dataGridView.Name = "dataGridView";
+            dataGridView.ReadOnly = true;
+            dataGridView.RowHeadersVisible = false;
+            dataGridView.RowHeadersWidth = 51;
+            dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridView.Size = new Size(590, 450);
+            dataGridView.TabIndex = 1;
+            // 
+            // FormDeliverys
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(800, 450);
+            Controls.Add(dataGridView);
+            Controls.Add(panel1);
+            Name = "FormDeliverys";
+            Text = "Доставка изделий";
+            Load += FormDeliverys_Load;
+            panel1.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private Panel panel1;
+        private Button buttonAdd;
+        private Button buttonDel;
+        private DataGridView dataGridView;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormDeliverys.cs

@@ -0,0 +1,95 @@
+using FurnitureCompany.Repositories;
+using FurnitureCompany.Repositories.Implementations;
+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;
+using System.Xml.Linq;
+using Unity;
+
+namespace FurnitureCompany.Forms
+{
+    public partial class FormDeliverys : Form
+    {
+        private readonly IUnityContainer _container;
+
+        private readonly IDeliveryRepository _deliveryRepository;
+
+        public FormDeliverys(IUnityContainer container, IDeliveryRepository deliveryRepository)
+        {
+            InitializeComponent();
+            _container = container ??
+                throw new ArgumentNullException(nameof(container));
+            _deliveryRepository = deliveryRepository ??
+                throw new ArgumentNullException(nameof(deliveryRepository));
+        }
+
+        private void FormDeliverys_Load(object sender, EventArgs e)
+        {
+            try
+            {
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonAdd_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormDelivery>().ShowDialog();
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonDel_Click(object sender, EventArgs e)
+        {
+            if (!TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
+            {
+                return;
+            }
+
+            try
+            {
+                _deliveryRepository.DeleteDelivery(findId);
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void LoadList() => dataGridView.DataSource = _deliveryRepository.ReadDeliverys();
+
+        private bool TryGetIdentifierFromSelectedRow(out int id)
+        {
+            id = 0;
+            if (dataGridView.SelectedRows.Count < 1)
+            {
+                MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return false;
+            }
+
+            id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["id"].Value);
+            return true;
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormDeliverys.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/Forms/FormInvoice.Designer.cs

@@ -0,0 +1,173 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormInvoice
+    {
+        /// <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()
+        {
+            labelProductId = new Label();
+            labelWorkerId = new Label();
+            labelClientId = new Label();
+            comboBoxProduct = new ComboBox();
+            comboBoxWorker = new ComboBox();
+            comboBoxClient = new ComboBox();
+            numericUpDownCountProduct = new NumericUpDown();
+            labelCountProduct = new Label();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            ((System.ComponentModel.ISupportInitialize)numericUpDownCountProduct).BeginInit();
+            SuspendLayout();
+            // 
+            // labelProductId
+            // 
+            labelProductId.AutoSize = true;
+            labelProductId.Location = new Point(47, 48);
+            labelProductId.Name = "labelProductId";
+            labelProductId.Size = new Size(71, 20);
+            labelProductId.TabIndex = 0;
+            labelProductId.Text = "Изделие:";
+            // 
+            // labelWorkerId
+            // 
+            labelWorkerId.AutoSize = true;
+            labelWorkerId.Location = new Point(47, 110);
+            labelWorkerId.Name = "labelWorkerId";
+            labelWorkerId.Size = new Size(77, 20);
+            labelWorkerId.TabIndex = 1;
+            labelWorkerId.Text = "Работник:";
+            // 
+            // labelClientId
+            // 
+            labelClientId.AutoSize = true;
+            labelClientId.Location = new Point(47, 174);
+            labelClientId.Name = "labelClientId";
+            labelClientId.Size = new Size(61, 20);
+            labelClientId.TabIndex = 2;
+            labelClientId.Text = "Клиент:";
+            // 
+            // comboBoxProduct
+            // 
+            comboBoxProduct.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxProduct.FormattingEnabled = true;
+            comboBoxProduct.Location = new Point(219, 45);
+            comboBoxProduct.Name = "comboBoxProduct";
+            comboBoxProduct.Size = new Size(189, 28);
+            comboBoxProduct.TabIndex = 3;
+            // 
+            // comboBoxWorker
+            // 
+            comboBoxWorker.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxWorker.FormattingEnabled = true;
+            comboBoxWorker.Location = new Point(219, 107);
+            comboBoxWorker.Name = "comboBoxWorker";
+            comboBoxWorker.Size = new Size(189, 28);
+            comboBoxWorker.TabIndex = 4;
+            // 
+            // comboBoxClient
+            // 
+            comboBoxClient.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxClient.FormattingEnabled = true;
+            comboBoxClient.Location = new Point(219, 171);
+            comboBoxClient.Name = "comboBoxClient";
+            comboBoxClient.Size = new Size(189, 28);
+            comboBoxClient.TabIndex = 5;
+            // 
+            // numericUpDownCountProduct
+            // 
+            numericUpDownCountProduct.Location = new Point(219, 245);
+            numericUpDownCountProduct.Maximum = new decimal(new int[] { 1000, 0, 0, 0 });
+            numericUpDownCountProduct.Minimum = new decimal(new int[] { 1, 0, 0, 0 });
+            numericUpDownCountProduct.Name = "numericUpDownCountProduct";
+            numericUpDownCountProduct.Size = new Size(189, 27);
+            numericUpDownCountProduct.TabIndex = 6;
+            numericUpDownCountProduct.Value = new decimal(new int[] { 1, 0, 0, 0 });
+            // 
+            // labelCountProduct
+            // 
+            labelCountProduct.AutoSize = true;
+            labelCountProduct.Location = new Point(47, 247);
+            labelCountProduct.Name = "labelCountProduct";
+            labelCountProduct.Size = new Size(155, 20);
+            labelCountProduct.TabIndex = 7;
+            labelCountProduct.Text = "Количество изделий:";
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(94, 327);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 8;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += ButtonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(270, 327);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 9;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += ButtonCancel_Click;
+            // 
+            // FormInvoice
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(462, 396);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(labelCountProduct);
+            Controls.Add(numericUpDownCountProduct);
+            Controls.Add(comboBoxClient);
+            Controls.Add(comboBoxWorker);
+            Controls.Add(comboBoxProduct);
+            Controls.Add(labelClientId);
+            Controls.Add(labelWorkerId);
+            Controls.Add(labelProductId);
+            Name = "FormInvoice";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Заказ";
+            ((System.ComponentModel.ISupportInitialize)numericUpDownCountProduct).EndInit();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label labelProductId;
+        private Label labelWorkerId;
+        private Label labelClientId;
+        private ComboBox comboBoxProduct;
+        private ComboBox comboBoxWorker;
+        private ComboBox comboBoxClient;
+        private NumericUpDown numericUpDownCountProduct;
+        private Label labelCountProduct;
+        private Button buttonSave;
+        private Button buttonCancel;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormInvoice.cs

@@ -0,0 +1,68 @@
+using FurnitureCompany.Entities.Enums;
+using FurnitureCompany.Entities;
+using FurnitureCompany.Repositories;
+using FurnitureCompany.Repositories.Implementations;
+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 FurnitureCompany.Forms
+{
+    public partial class FormInvoice : Form
+    {
+        private readonly IInvoiceRepository _invoiceRepository;
+
+        public FormInvoice(IInvoiceRepository invoiceRepository,
+            IProductRepository productRepository, IWorkerRepository workerRepository,
+            IClientRepository clientRepository)
+        {
+            InitializeComponent();
+            _invoiceRepository = invoiceRepository ??
+                throw new ArgumentNullException(nameof(invoiceRepository));
+
+            comboBoxWorker.DataSource = workerRepository.ReadWorkers();
+            comboBoxWorker.DisplayMember = "FirstName";
+            comboBoxWorker.ValueMember = "Id";
+
+            comboBoxProduct.DataSource = productRepository.ReadProducts();
+            comboBoxProduct.DisplayMember = "Name";
+            comboBoxProduct.ValueMember = "Id";
+
+            comboBoxClient.DataSource = clientRepository.ReadClients();
+            comboBoxClient.DisplayMember = "Name";
+            comboBoxClient.ValueMember = "Id";
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                if (comboBoxProduct.SelectedIndex < 0 ||
+                    comboBoxWorker.SelectedIndex < 0 ||
+                    comboBoxClient.SelectedIndex < 0)
+                {
+                    throw new Exception("Имеются незаполненные поля");
+                }
+
+                _invoiceRepository.CreateInvoice(Invoice.CreateOperation(0,
+                    (int)comboBoxProduct.SelectedValue!, (int)comboBoxWorker.SelectedValue!,
+                    (int)comboBoxClient.SelectedValue!,
+                    Convert.ToInt32(numericUpDownCountProduct.Value)));
+
+                Close();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e) => Close();
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormInvoice.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/Forms/FormInvoices.Designer.cs

@@ -0,0 +1,99 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormInvoices
+    {
+        /// <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()
+        {
+            panel1 = new Panel();
+            buttonAdd = new Button();
+            dataGridViewData = new DataGridView();
+            panel1.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).BeginInit();
+            SuspendLayout();
+            // 
+            // panel1
+            // 
+            panel1.Controls.Add(buttonAdd);
+            panel1.Dock = DockStyle.Right;
+            panel1.Location = new Point(637, 0);
+            panel1.Name = "panel1";
+            panel1.Size = new Size(163, 450);
+            panel1.TabIndex = 0;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.BackgroundImage = Properties.Resources.png_clipart_plus_plus;
+            buttonAdd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonAdd.Location = new Point(38, 48);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(94, 91);
+            buttonAdd.TabIndex = 0;
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += ButtonAdd_Click;
+            // 
+            // dataGridViewData
+            // 
+            dataGridViewData.AllowUserToAddRows = false;
+            dataGridViewData.AllowUserToDeleteRows = false;
+            dataGridViewData.AllowUserToResizeColumns = false;
+            dataGridViewData.AllowUserToResizeRows = false;
+            dataGridViewData.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridViewData.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridViewData.Dock = DockStyle.Fill;
+            dataGridViewData.Location = new Point(0, 0);
+            dataGridViewData.MultiSelect = false;
+            dataGridViewData.Name = "dataGridViewData";
+            dataGridViewData.ReadOnly = true;
+            dataGridViewData.RowHeadersVisible = false;
+            dataGridViewData.RowHeadersWidth = 51;
+            dataGridViewData.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridViewData.Size = new Size(637, 450);
+            dataGridViewData.TabIndex = 1;
+            // 
+            // FormInvoices
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(800, 450);
+            Controls.Add(dataGridViewData);
+            Controls.Add(panel1);
+            Name = "FormInvoices";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Оформление заказов";
+            Load += FormInvoices_Load;
+            panel1.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private Panel panel1;
+        private Button buttonAdd;
+        private DataGridView dataGridViewData;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormInvoices.cs

@@ -0,0 +1,59 @@
+using FurnitureCompany.Repositories;
+using FurnitureCompany.Repositories.Implementations;
+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;
+using System.Xml.Linq;
+using Unity;
+
+namespace FurnitureCompany.Forms
+{
+    public partial class FormInvoices : Form
+    {
+        private readonly IUnityContainer _container;
+
+        private readonly IInvoiceRepository _invoiceRepository;
+
+        public FormInvoices(IUnityContainer container, IInvoiceRepository invoiceRepository)
+        {
+            InitializeComponent();
+            _container = container ??
+                throw new ArgumentNullException(nameof(container));
+            _invoiceRepository = invoiceRepository ??
+                throw new ArgumentNullException(nameof(invoiceRepository));
+        }
+
+        private void FormInvoices_Load(object sender, EventArgs e)
+        {
+            try
+            {
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonAdd_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormInvoice>().ShowDialog();
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void LoadList() => dataGridViewData.DataSource = _invoiceRepository.ReadInvoices();
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormInvoices.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/Forms/FormProduct.Designer.cs

@@ -0,0 +1,147 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormProduct
+    {
+        /// <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()
+        {
+            checkedListBoxMaterial = new CheckedListBox();
+            numericUpDownPrice = new NumericUpDown();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            textBoxProductName = new TextBox();
+            labelProductMaterial = new Label();
+            labelProductName = new Label();
+            labelProductPrice = new Label();
+            ((System.ComponentModel.ISupportInitialize)numericUpDownPrice).BeginInit();
+            SuspendLayout();
+            // 
+            // checkedListBoxMaterial
+            // 
+            checkedListBoxMaterial.FormattingEnabled = true;
+            checkedListBoxMaterial.Location = new Point(213, 53);
+            checkedListBoxMaterial.Name = "checkedListBoxMaterial";
+            checkedListBoxMaterial.Size = new Size(224, 114);
+            checkedListBoxMaterial.TabIndex = 0;
+            // 
+            // numericUpDownPrice
+            // 
+            numericUpDownPrice.DecimalPlaces = 2;
+            numericUpDownPrice.Location = new Point(213, 245);
+            numericUpDownPrice.Maximum = new decimal(new int[] { 10000, 0, 0, 0 });
+            numericUpDownPrice.Minimum = new decimal(new int[] { 1, 0, 0, 131072 });
+            numericUpDownPrice.Name = "numericUpDownPrice";
+            numericUpDownPrice.Size = new Size(224, 27);
+            numericUpDownPrice.TabIndex = 1;
+            numericUpDownPrice.Value = new decimal(new int[] { 1, 0, 0, 131072 });
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(109, 318);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 2;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += ButtonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(269, 318);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 3;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += ButtonCancel_Click;
+            // 
+            // textBoxProductName
+            // 
+            textBoxProductName.Location = new Point(213, 199);
+            textBoxProductName.Name = "textBoxProductName";
+            textBoxProductName.Size = new Size(224, 27);
+            textBoxProductName.TabIndex = 4;
+            // 
+            // labelProductMaterial
+            // 
+            labelProductMaterial.AutoSize = true;
+            labelProductMaterial.Location = new Point(47, 53);
+            labelProductMaterial.Name = "labelProductMaterial";
+            labelProductMaterial.Size = new Size(142, 20);
+            labelProductMaterial.TabIndex = 5;
+            labelProductMaterial.Text = "Материал изделия:";
+            // 
+            // labelProductName
+            // 
+            labelProductName.AutoSize = true;
+            labelProductName.Location = new Point(47, 202);
+            labelProductName.Name = "labelProductName";
+            labelProductName.Size = new Size(80, 20);
+            labelProductName.TabIndex = 6;
+            labelProductName.Text = "Название:";
+            // 
+            // labelProductPrice
+            // 
+            labelProductPrice.AutoSize = true;
+            labelProductPrice.Location = new Point(47, 247);
+            labelProductPrice.Name = "labelProductPrice";
+            labelProductPrice.Size = new Size(48, 20);
+            labelProductPrice.TabIndex = 7;
+            labelProductPrice.Text = "Цена:";
+            // 
+            // FormProduct
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(486, 391);
+            Controls.Add(labelProductPrice);
+            Controls.Add(labelProductName);
+            Controls.Add(labelProductMaterial);
+            Controls.Add(textBoxProductName);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(numericUpDownPrice);
+            Controls.Add(checkedListBoxMaterial);
+            Name = "FormProduct";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Изделие";
+            ((System.ComponentModel.ISupportInitialize)numericUpDownPrice).EndInit();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private CheckedListBox checkedListBoxMaterial;
+        private NumericUpDown numericUpDownPrice;
+        private Button buttonSave;
+        private Button buttonCancel;
+        private TextBox textBoxProductName;
+        private Label labelProductMaterial;
+        private Label labelProductName;
+        private Label labelProductPrice;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormProduct.cs

@@ -0,0 +1,108 @@
+using FurnitureCompany.Entities.Enums;
+using FurnitureCompany.Entities;
+using FurnitureCompany.Repositories;
+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;
+using FurnitureCompany.Repositories.Implementations;
+
+namespace FurnitureCompany.Forms
+{
+    public partial class FormProduct : Form
+    {
+        private readonly IProductRepository _productRepository;
+
+        private int? _productId;
+
+        public int Id
+        {
+            set
+            {
+                try
+                {
+                    var product = _productRepository.ReadProductById(value);
+                    if (product == null)
+                    {
+                        throw new InvalidDataException(nameof(product));
+                    }
+
+                    foreach (Material elem in Enum.GetValues(typeof(Material)))
+                    {
+                        if ((elem & product.Material) != 0)
+                        {
+                            checkedListBoxMaterial.SetItemChecked(checkedListBoxMaterial.Items.IndexOf(elem), true);
+                        }
+                    }
+
+                    textBoxProductName.Text = product.Name;
+                    numericUpDownPrice.Value = (decimal)product.Price;
+                    _productId = value;
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+            }
+        }
+
+        public FormProduct(IProductRepository productRepository)
+        {
+            InitializeComponent();
+            _productRepository = productRepository ??
+                throw new ArgumentNullException(nameof(productRepository));
+
+            foreach (var elem in Enum.GetValues(typeof(Material)))
+            {
+                checkedListBoxMaterial.Items.Add(elem);
+            }
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                if (string.IsNullOrWhiteSpace(textBoxProductName.Text) ||
+                    checkedListBoxMaterial.CheckedItems.Count == 0)
+                {
+                    throw new Exception("Имеются незаполненные поля");
+                }
+
+                if (_productId.HasValue)
+                {
+                    _productRepository.UpdateProduct(CreateProduct(_productId.Value));
+                }
+                else
+                {
+                    _productRepository.CreateProduct(CreateProduct(0));
+                }
+
+                Close();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e) => Close();
+
+        private Product CreateProduct(int id)
+        {
+            Material material = Material.None;
+            foreach (var elem in checkedListBoxMaterial.CheckedItems)
+            {
+                material |= (Material)elem;
+            }
+
+            return Product.CreateEntity(id, material, textBoxProductName.Text,
+                Convert.ToDouble(numericUpDownPrice.Value));
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormProduct.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/Forms/FormProducts.Designer.cs

@@ -0,0 +1,127 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormProducts
+    {
+        /// <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()
+        {
+            panel1 = new Panel();
+            buttonDel = new Button();
+            buttonUpd = new Button();
+            buttonAdd = new Button();
+            dataGridViewData = new DataGridView();
+            panel1.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).BeginInit();
+            SuspendLayout();
+            // 
+            // panel1
+            // 
+            panel1.Controls.Add(buttonDel);
+            panel1.Controls.Add(buttonUpd);
+            panel1.Controls.Add(buttonAdd);
+            panel1.Dock = DockStyle.Right;
+            panel1.Location = new Point(695, 0);
+            panel1.Name = "panel1";
+            panel1.Size = new Size(187, 403);
+            panel1.TabIndex = 0;
+            // 
+            // buttonDel
+            // 
+            buttonDel.BackgroundImage = Properties.Resources.minus;
+            buttonDel.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonDel.Location = new Point(48, 256);
+            buttonDel.Name = "buttonDel";
+            buttonDel.Size = new Size(94, 90);
+            buttonDel.TabIndex = 2;
+            buttonDel.UseVisualStyleBackColor = true;
+            buttonDel.Click += ButtonDel_Click;
+            // 
+            // buttonUpd
+            // 
+            buttonUpd.BackgroundImage = Properties.Resources._58d48b2c9540b15afe3fa643;
+            buttonUpd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonUpd.Location = new Point(48, 144);
+            buttonUpd.Name = "buttonUpd";
+            buttonUpd.Size = new Size(94, 90);
+            buttonUpd.TabIndex = 1;
+            buttonUpd.UseVisualStyleBackColor = true;
+            buttonUpd.Click += ButtonUpd_Click;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.BackgroundImage = Properties.Resources.png_clipart_plus_plus;
+            buttonAdd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonAdd.Location = new Point(48, 29);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(94, 90);
+            buttonAdd.TabIndex = 0;
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += ButtonAdd_Click;
+            // 
+            // dataGridViewData
+            // 
+            dataGridViewData.AllowUserToAddRows = false;
+            dataGridViewData.AllowUserToDeleteRows = false;
+            dataGridViewData.AllowUserToResizeColumns = false;
+            dataGridViewData.AllowUserToResizeRows = false;
+            dataGridViewData.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridViewData.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridViewData.Dock = DockStyle.Fill;
+            dataGridViewData.Location = new Point(0, 0);
+            dataGridViewData.MultiSelect = false;
+            dataGridViewData.Name = "dataGridViewData";
+            dataGridViewData.ReadOnly = true;
+            dataGridViewData.RowHeadersVisible = false;
+            dataGridViewData.RowHeadersWidth = 51;
+            dataGridViewData.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridViewData.Size = new Size(695, 403);
+            dataGridViewData.TabIndex = 1;
+            // 
+            // FormProducts
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(882, 403);
+            Controls.Add(dataGridViewData);
+            Controls.Add(panel1);
+            Name = "FormProducts";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Изделия";
+            Load += FormProducts_Load;
+            panel1.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private Panel panel1;
+        private Button buttonDel;
+        private Button buttonUpd;
+        private Button buttonAdd;
+        private DataGridView dataGridViewData;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormProducts.cs

@@ -0,0 +1,113 @@
+using FurnitureCompany.Repositories;
+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;
+using Unity;
+
+namespace FurnitureCompany.Forms
+{
+    public partial class FormProducts : Form
+    {
+        private readonly IUnityContainer _container;
+
+        private readonly IProductRepository _productRepository;
+
+        public FormProducts(IUnityContainer container, IProductRepository productRepository)
+        {
+            InitializeComponent();
+            _container = container ??
+                throw new ArgumentNullException(nameof(container));
+            _productRepository = productRepository ??
+                throw new ArgumentNullException(nameof(productRepository));
+        }
+
+        private void FormProducts_Load(object sender, EventArgs e)
+        {
+            try
+            {
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonAdd_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormProduct>().ShowDialog();
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonUpd_Click(object sender, EventArgs e)
+        {
+            if (!TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            try
+            {
+                var form = _container.Resolve<FormProduct>();
+                form.Id = findId;
+                form.ShowDialog();
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при изменении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonDel_Click(object sender, EventArgs e)
+        {
+            if (!TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
+            {
+                return;
+            }
+
+            try
+            {
+                _productRepository.DeleteProduct(findId);
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void LoadList() => dataGridViewData.DataSource = _productRepository.ReadProducts();
+
+        private bool TryGetIdentifierFromSelectedRow(out int id)
+        {
+            id = 0;
+            if (dataGridViewData.SelectedRows.Count < 1)
+            {
+                MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return false;
+            }
+
+            id = Convert.ToInt32(dataGridViewData.SelectedRows[0].Cells["id"].Value);
+            return true;
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormProducts.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/Forms/FormWorker.Designer.cs

@@ -0,0 +1,142 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormWorker
+    {
+        /// <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()
+        {
+            comboBoxWorkerPost = new ComboBox();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            labelWorkerFirstName = new Label();
+            labelWorkerLastName = new Label();
+            labelWorkerPost = new Label();
+            textBoxWorkerLastName = new TextBox();
+            textBoxWorkerFirstName = new TextBox();
+            SuspendLayout();
+            // 
+            // comboBoxWorkerPost
+            // 
+            comboBoxWorkerPost.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxWorkerPost.FormattingEnabled = true;
+            comboBoxWorkerPost.Location = new Point(146, 173);
+            comboBoxWorkerPost.Name = "comboBoxWorkerPost";
+            comboBoxWorkerPost.Size = new Size(179, 28);
+            comboBoxWorkerPost.TabIndex = 0;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(60, 261);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 1;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += ButtonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(194, 261);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 2;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += ButtonCancel_Click;
+            // 
+            // labelWorkerFirstName
+            // 
+            labelWorkerFirstName.AutoSize = true;
+            labelWorkerFirstName.Location = new Point(37, 53);
+            labelWorkerFirstName.Name = "labelWorkerFirstName";
+            labelWorkerFirstName.Size = new Size(42, 20);
+            labelWorkerFirstName.TabIndex = 3;
+            labelWorkerFirstName.Text = "Имя:";
+            // 
+            // labelWorkerLastName
+            // 
+            labelWorkerLastName.AutoSize = true;
+            labelWorkerLastName.Location = new Point(37, 113);
+            labelWorkerLastName.Name = "labelWorkerLastName";
+            labelWorkerLastName.Size = new Size(76, 20);
+            labelWorkerLastName.TabIndex = 4;
+            labelWorkerLastName.Text = "Фамилия:";
+            // 
+            // labelWorkerPost
+            // 
+            labelWorkerPost.AutoSize = true;
+            labelWorkerPost.Location = new Point(37, 176);
+            labelWorkerPost.Name = "labelWorkerPost";
+            labelWorkerPost.Size = new Size(89, 20);
+            labelWorkerPost.TabIndex = 5;
+            labelWorkerPost.Text = "Должность:";
+            // 
+            // textBoxWorkerLastName
+            // 
+            textBoxWorkerLastName.Location = new Point(146, 110);
+            textBoxWorkerLastName.Name = "textBoxWorkerLastName";
+            textBoxWorkerLastName.Size = new Size(179, 27);
+            textBoxWorkerLastName.TabIndex = 6;
+            // 
+            // textBoxWorkerFirstName
+            // 
+            textBoxWorkerFirstName.Location = new Point(146, 50);
+            textBoxWorkerFirstName.Name = "textBoxWorkerFirstName";
+            textBoxWorkerFirstName.Size = new Size(179, 27);
+            textBoxWorkerFirstName.TabIndex = 7;
+            // 
+            // FormWorker
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(369, 340);
+            Controls.Add(textBoxWorkerFirstName);
+            Controls.Add(textBoxWorkerLastName);
+            Controls.Add(labelWorkerPost);
+            Controls.Add(labelWorkerLastName);
+            Controls.Add(labelWorkerFirstName);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(comboBoxWorkerPost);
+            Name = "FormWorker";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Работник";
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private ComboBox comboBoxWorkerPost;
+        private Button buttonSave;
+        private Button buttonCancel;
+        private Label labelWorkerFirstName;
+        private Label labelWorkerLastName;
+        private Label labelWorkerPost;
+        private TextBox textBoxWorkerLastName;
+        private TextBox textBoxWorkerFirstName;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormWorker.cs

@@ -0,0 +1,91 @@
+using FurnitureCompany.Entities;
+using FurnitureCompany.Entities.Enums;
+using FurnitureCompany.Repositories;
+using FurnitureCompany.Repositories.Implementations;
+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 FurnitureCompany.Forms
+{
+    public partial class FormWorker : Form
+    {
+        private readonly IWorkerRepository _workerRepository;
+
+        private int? _workerId;
+
+        public int Id
+        {
+            set
+            {
+                try
+                {
+                    var worker = _workerRepository.ReadWorkerById(value);
+                    if (worker == null)
+                    {
+                        throw new InvalidDataException(nameof(worker));
+                    }
+
+                    textBoxWorkerFirstName.Text = worker.FirstName;
+                    textBoxWorkerLastName.Text = worker.LastName;
+                    comboBoxWorkerPost.SelectedItem = worker.WorkerPost;
+                    _workerId = value;
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+            }
+        }
+
+        public FormWorker(IWorkerRepository workerRepository)
+        {
+            InitializeComponent();
+            _workerRepository = workerRepository ??
+                throw new ArgumentNullException(nameof(workerRepository));
+
+            comboBoxWorkerPost.DataSource = Enum.GetValues(typeof(WorkerPost));
+        }
+
+        private void ButtonSave_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                if (string.IsNullOrWhiteSpace(textBoxWorkerFirstName.Text) ||
+                    string.IsNullOrWhiteSpace(textBoxWorkerLastName.Text) ||
+                    comboBoxWorkerPost.SelectedIndex < 1)
+                {
+                    throw new Exception("Имеются незаполненные поля");
+                }
+
+                if (_workerId.HasValue)
+                {
+                    _workerRepository.UpdateWorker(CreateWorker(_workerId.Value));
+                }
+                else
+                {
+                    _workerRepository.CreateWorker(CreateWorker(0));
+                }
+
+                Close();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e) => Close();
+
+        private Worker CreateWorker(int id) =>
+            Worker.CreateEntity(id, textBoxWorkerFirstName.Text, textBoxWorkerLastName.Text,
+            (WorkerPost)comboBoxWorkerPost.SelectedItem!);
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormWorker.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/Forms/FormWorkers.Designer.cs

@@ -0,0 +1,127 @@
+namespace FurnitureCompany.Forms
+{
+    partial class FormWorkers
+    {
+        /// <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()
+        {
+            panel1 = new Panel();
+            buttonDel = new Button();
+            buttonUpd = new Button();
+            buttonAdd = new Button();
+            dataGridViewData = new DataGridView();
+            panel1.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).BeginInit();
+            SuspendLayout();
+            // 
+            // panel1
+            // 
+            panel1.Controls.Add(buttonDel);
+            panel1.Controls.Add(buttonUpd);
+            panel1.Controls.Add(buttonAdd);
+            panel1.Dock = DockStyle.Right;
+            panel1.Location = new Point(699, 0);
+            panel1.Name = "panel1";
+            panel1.Size = new Size(183, 403);
+            panel1.TabIndex = 0;
+            // 
+            // buttonDel
+            // 
+            buttonDel.BackgroundImage = Properties.Resources.minus;
+            buttonDel.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonDel.Location = new Point(40, 235);
+            buttonDel.Name = "buttonDel";
+            buttonDel.Size = new Size(96, 84);
+            buttonDel.TabIndex = 2;
+            buttonDel.UseVisualStyleBackColor = true;
+            buttonDel.Click += ButtonDel_Click;
+            // 
+            // buttonUpd
+            // 
+            buttonUpd.BackgroundImage = Properties.Resources._58d48b2c9540b15afe3fa643;
+            buttonUpd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonUpd.Location = new Point(40, 135);
+            buttonUpd.Name = "buttonUpd";
+            buttonUpd.Size = new Size(96, 84);
+            buttonUpd.TabIndex = 1;
+            buttonUpd.UseVisualStyleBackColor = true;
+            buttonUpd.Click += ButtonUpd_Click;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.BackgroundImage = Properties.Resources.png_clipart_plus_plus;
+            buttonAdd.BackgroundImageLayout = ImageLayout.Stretch;
+            buttonAdd.Location = new Point(40, 34);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(96, 84);
+            buttonAdd.TabIndex = 0;
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += ButtonAdd_Click;
+            // 
+            // dataGridViewData
+            // 
+            dataGridViewData.AllowUserToAddRows = false;
+            dataGridViewData.AllowUserToDeleteRows = false;
+            dataGridViewData.AllowUserToResizeColumns = false;
+            dataGridViewData.AllowUserToResizeRows = false;
+            dataGridViewData.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridViewData.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridViewData.Dock = DockStyle.Fill;
+            dataGridViewData.Location = new Point(0, 0);
+            dataGridViewData.MultiSelect = false;
+            dataGridViewData.Name = "dataGridViewData";
+            dataGridViewData.ReadOnly = true;
+            dataGridViewData.RowHeadersVisible = false;
+            dataGridViewData.RowHeadersWidth = 51;
+            dataGridViewData.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridViewData.Size = new Size(699, 403);
+            dataGridViewData.TabIndex = 1;
+            // 
+            // FormWorkers
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(882, 403);
+            Controls.Add(dataGridViewData);
+            Controls.Add(panel1);
+            Name = "FormWorkers";
+            StartPosition = FormStartPosition.CenterParent;
+            Text = "Работники";
+            Load += FormWorkers_Load;
+            panel1.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridViewData).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private Panel panel1;
+        private Button buttonDel;
+        private Button buttonUpd;
+        private Button buttonAdd;
+        private DataGridView dataGridViewData;
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormWorkers.cs

@@ -0,0 +1,113 @@
+using FurnitureCompany.Repositories;
+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;
+using Unity;
+
+namespace FurnitureCompany.Forms
+{
+    public partial class FormWorkers : Form
+    {
+        private readonly IUnityContainer _container;
+
+        private readonly IWorkerRepository _workerRepository;
+
+        public FormWorkers(IUnityContainer container, IWorkerRepository workerRepository)
+        {
+            InitializeComponent();
+            _container = container ??
+                throw new ArgumentNullException(nameof(container));
+            _workerRepository = workerRepository ??
+                throw new ArgumentNullException(nameof(workerRepository));
+        }
+
+        private void FormWorkers_Load(object sender, EventArgs e)
+        {
+            try
+            {
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonAdd_Click(object sender, EventArgs e)
+        {
+            try
+            {
+                _container.Resolve<FormWorker>().ShowDialog();
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonUpd_Click(object sender, EventArgs e)
+        {
+            if (!TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            try
+            {
+                var form = _container.Resolve<FormWorker>();
+                form.Id = findId;
+                form.ShowDialog();
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при изменении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonDel_Click(object sender, EventArgs e)
+        {
+            if (!TryGetIdentifierFromSelectedRow(out var findId))
+            {
+                return;
+            }
+
+            if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
+            {
+                return;
+            }
+
+            try
+            {
+                _workerRepository.DeleteWorker(findId);
+                LoadList();
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка при удалении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void LoadList() => dataGridViewData.DataSource = _workerRepository.ReadWorkers();
+
+        private bool TryGetIdentifierFromSelectedRow(out int id)
+        {
+            id = 0;
+            if (dataGridViewData.SelectedRows.Count < 1)
+            {
+                MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return false;
+            }
+
+            id = Convert.ToInt32(dataGridViewData.SelectedRows[0].Cells["id"].Value);
+            return true;
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/Forms/FormWorkers.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>

FurnitureCompany/FurnitureCompany/FurnitureCompany.csproj

@@ -8,4 +8,23 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Unity" Version="5.11.10" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="Properties\Resources.Designer.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Update="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+  </ItemGroup>
+
 </Project>

FurnitureCompany/FurnitureCompany/Program.cs

@@ -1,3 +1,7 @@
+using FurnitureCompany.Repositories;
+using FurnitureCompany.Repositories.Implementations;
+using Unity;
+
 namespace FurnitureCompany
 {
     internal static class Program
@@ -11,7 +15,20 @@ namespace FurnitureCompany
             // To customize application configuration such as set high DPI settings or default font,
             // see https://aka.ms/applicationconfiguration.
             ApplicationConfiguration.Initialize();
-            Application.Run(new Form1());
+            Application.Run(CreateContainer().Resolve<FormFurnitureCompany>());
+        }
+
+        private static IUnityContainer CreateContainer()
+        {
+            var container = new UnityContainer();
+
+            container.RegisterType<IClientRepository, ClientRepository>();
+            container.RegisterType<IWorkerRepository, WorkerRepository>();
+            container.RegisterType<IProductRepository, ProductRepository>();
+            container.RegisterType<IInvoiceRepository, InvoiceRepository>();
+            container.RegisterType<IDeliveryRepository, DeliveryRepository>();
+
+            return container;
         }
     }
 }

FurnitureCompany/FurnitureCompany/Properties/Resources.Designer.cs

@@ -0,0 +1,103 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     Этот код создан программой.
+//     Исполняемая версия:4.0.30319.42000
+//
+//     Изменения в этом файле могут привести к неправильной работе и будут потеряны в случае
+//     повторной генерации кода.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace FurnitureCompany.Properties {
+    using System;
+    
+    
+    /// <summary>
+    ///   Класс ресурса со строгой типизацией для поиска локализованных строк и т.д.
+    /// </summary>
+    // Этот класс создан автоматически классом StronglyTypedResourceBuilder
+    // с помощью такого средства, как ResGen или Visual Studio.
+    // Чтобы добавить или удалить член, измените файл .ResX и снова запустите ResGen
+    // с параметром /str или перестройте свой проект VS.
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "17.0.0.0")]
+    [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+    [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
+    internal class Resources {
+        
+        private static global::System.Resources.ResourceManager resourceMan;
+        
+        private static global::System.Globalization.CultureInfo resourceCulture;
+        
+        [global::System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
+        internal Resources() {
+        }
+        
+        /// <summary>
+        ///   Возвращает кэшированный экземпляр ResourceManager, использованный этим классом.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Resources.ResourceManager ResourceManager {
+            get {
+                if (object.ReferenceEquals(resourceMan, null)) {
+                    global::System.Resources.ResourceManager temp = new global::System.Resources.ResourceManager("FurnitureCompany.Properties.Resources", typeof(Resources).Assembly);
+                    resourceMan = temp;
+                }
+                return resourceMan;
+            }
+        }
+        
+        /// <summary>
+        ///   Перезаписывает свойство CurrentUICulture текущего потока для всех
+        ///   обращений к ресурсу с помощью этого класса ресурса со строгой типизацией.
+        /// </summary>
+        [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
+        internal static global::System.Globalization.CultureInfo Culture {
+            get {
+                return resourceCulture;
+            }
+            set {
+                resourceCulture = value;
+            }
+        }
+        
+        /// <summary>
+        ///   Поиск локализованного ресурса типа System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap _57435d62a4b6bbc87520597c0e8c4c3a {
+            get {
+                object obj = ResourceManager.GetObject("57435d62a4b6bbc87520597c0e8c4c3a", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Поиск локализованного ресурса типа System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap _58d48b2c9540b15afe3fa643 {
+            get {
+                object obj = ResourceManager.GetObject("58d48b2c9540b15afe3fa643", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Поиск локализованного ресурса типа System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap minus {
+            get {
+                object obj = ResourceManager.GetObject("minus", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
+        /// <summary>
+        ///   Поиск локализованного ресурса типа System.Drawing.Bitmap.
+        /// </summary>
+        internal static System.Drawing.Bitmap png_clipart_plus_plus {
+            get {
+                object obj = ResourceManager.GetObject("png-clipart-plus-plus", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+    }
+}

FurnitureCompany/FurnitureCompany/Properties/Resources.resx

@@ -0,0 +1,133 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <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>
+  <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="minus" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\minus.jpg;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="57435d62a4b6bbc87520597c0e8c4c3a" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\57435d62a4b6bbc87520597c0e8c4c3a.jpg;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="png-clipart-plus-plus" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\png-clipart-plus-plus.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+  <data name="58d48b2c9540b15afe3fa643" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\Resources\58d48b2c9540b15afe3fa643.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
+</root>

FurnitureCompany/FurnitureCompany/Repositories/IClientRepository.cs

@@ -0,0 +1,21 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories;
+
+public interface IClientRepository
+{
+    IEnumerable<Client> ReadClients();
+
+    Client ReadClientById(int id);
+
+    void CreateClient(Client client);
+
+    void UpdateClient(Client client);
+
+    void DeleteClient(int id);
+}

FurnitureCompany/FurnitureCompany/Repositories/IDeliveryRepository.cs

@@ -0,0 +1,18 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories;
+
+public interface IDeliveryRepository
+{
+    IEnumerable<Delivery> ReadDeliverys(DateTime? dateFrom = null, DateTime? dateTo = null, int? productId = null,
+        int? workerId = null);
+
+    void CreateDelivery(Delivery delivery);
+
+    void DeleteDelivery(int id);
+}

FurnitureCompany/FurnitureCompany/Repositories/IInvoiceRepository.cs

@@ -0,0 +1,16 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories;
+
+public interface IInvoiceRepository
+{
+    IEnumerable<Invoice> ReadInvoices(DateTime? dateFrom = null, DateTime? dateTo = null, int? productId = null,
+        int? workerId = null, int? clientId = null);
+
+    void CreateInvoice(Invoice invoice);
+}

FurnitureCompany/FurnitureCompany/Repositories/IProductRepository.cs

@@ -0,0 +1,21 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories;
+
+public interface IProductRepository
+{
+    IEnumerable<Product> ReadProducts();
+
+    Product ReadProductById(int id);
+
+    void CreateProduct(Product product);
+
+    void UpdateProduct(Product product);
+
+    void DeleteProduct(int id);
+}

FurnitureCompany/FurnitureCompany/Repositories/IWorkerRepository.cs

@@ -0,0 +1,21 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories;
+
+public interface IWorkerRepository
+{
+    IEnumerable<Worker> ReadWorkers();
+
+    Worker ReadWorkerById(int id);
+
+    void CreateWorker(Worker worker);
+
+    void UpdateWorker(Worker worker);
+
+    void DeleteWorker(int id);
+}

FurnitureCompany/FurnitureCompany/Repositories/Implementations/ClientRepository.cs

@@ -0,0 +1,33 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories.Implementations;
+
+public class ClientRepository : IClientRepository
+{
+    public void CreateClient(Client client)
+    {
+    }
+
+    public void DeleteClient(int id)
+    {
+    }
+
+    public IEnumerable<Client> ReadClients()
+    {
+        return[];
+    }
+
+    public Client ReadClientById(int id)
+    {
+        return Client.CreateEntity(0, string.Empty, string.Empty, 0, 0);
+    }
+
+    public void UpdateClient(Client client)
+    {
+    }
+}

FurnitureCompany/FurnitureCompany/Repositories/Implementations/DeliveryRepository.cs

@@ -0,0 +1,24 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories.Implementations;
+
+public class DeliveryRepository : IDeliveryRepository
+{
+    public void CreateDelivery(Delivery delivery)
+    {
+    }
+
+    public void DeleteDelivery(int id)
+    {
+    }
+
+    public IEnumerable<Delivery> ReadDeliverys(DateTime? dateFrom = null, DateTime? dateTo = null, int? productId = null, int? workerId = null)
+    {
+        return [];
+    }
+}

FurnitureCompany/FurnitureCompany/Repositories/Implementations/InvoiceRepository.cs

@@ -0,0 +1,20 @@
+using FurnitureCompany.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories.Implementations;
+
+public class InvoiceRepository : IInvoiceRepository
+{
+    public void CreateInvoice(Invoice invoice)
+    {
+    }
+
+    public IEnumerable<Invoice> ReadInvoices(DateTime? dateFrom = null, DateTime? dateTo = null, int? productId = null, int? workerId = null, int? clientId = null)
+    {
+        return [];
+    }
+}

FurnitureCompany/FurnitureCompany/Repositories/Implementations/ProductRepository.cs

@@ -0,0 +1,34 @@
+using FurnitureCompany.Entities;
+using FurnitureCompany.Entities.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories.Implementations;
+
+public class ProductRepository : IProductRepository
+{
+    public void CreateProduct(Product product)
+    {
+    }
+
+    public void DeleteProduct(int id)
+    {
+    }
+
+    public Product ReadProductById(int id)
+    {
+        return Product.CreateEntity(0, Material.None, string.Empty, 0);
+    }
+
+    public IEnumerable<Product> ReadProducts()
+    {
+        return [];
+    }
+
+    public void UpdateProduct(Product product)
+    {
+    }
+}

FurnitureCompany/FurnitureCompany/Repositories/Implementations/WorkerRepository.cs

@@ -0,0 +1,34 @@
+using FurnitureCompany.Entities;
+using FurnitureCompany.Entities.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureCompany.Repositories.Implementations;
+
+public class WorkerRepository : IWorkerRepository
+{
+    public void CreateWorker(Worker worker)
+    {
+    }
+
+    public void DeleteWorker(int id)
+    {
+    }
+
+    public Worker ReadWorkerById(int id)
+    {
+        return Worker.CreateEntity(0, string.Empty, string.Empty, WorkerPost.None);
+    }
+
+    public IEnumerable<Worker> ReadWorkers()
+    {
+        return [];
+    }
+
+    public void UpdateWorker(Worker worker)
+    {
+    }
+}