добавление

PlumbingRepair/PlumbingRepair.sln

@@ -5,7 +5,17 @@ VisualStudioVersion = 17.3.32825.248
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepair", "PlumbingRepair\PlumbingRepair.csproj", "{F0AEA1F3-7D99-4EC1-B79F-97E6927ECBCA}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PlumbingRepairDataModels", "PlumbingRepairDataModels\PlumbingRepairDataModels.csproj", "{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepairDataModels", "PlumbingRepairDataModels\PlumbingRepairDataModels.csproj", "{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepairContracts", "PlumbingRepairContracts\PlumbingRepairContracts.csproj", "{5200A7ED-CC3F-4602-984D-1B56A43A50D2}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepairBusinessLogic", "PlumbingRepairBusinessLogic\PlumbingRepairBusinessLogic.csproj", "{3C711D99-7E84-4B26-8312-7C10A360BD54}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepairListImplement", "PlumbingRepairListImplement\PlumbingRepairListImplement.csproj", "{9B17B17E-1201-4B23-ACCD-EF7F4495E4B7}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepairFileImplement", "PlumpingRepairFileImplement\PlumbingRepairFileImplement.csproj", "{BA7E2CE6-7797-42C7-931C-40C48EA521C7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PlumbingRepairDatabaseImplement", "PlumbingRepairDatabaseImplement\PlumbingRepairDatabaseImplement.csproj", "{1E4DDF78-14D2-498B-9A17-473F156DBE11}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,6 +31,26 @@ Global
 		{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5200A7ED-CC3F-4602-984D-1B56A43A50D2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5200A7ED-CC3F-4602-984D-1B56A43A50D2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5200A7ED-CC3F-4602-984D-1B56A43A50D2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5200A7ED-CC3F-4602-984D-1B56A43A50D2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3C711D99-7E84-4B26-8312-7C10A360BD54}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3C711D99-7E84-4B26-8312-7C10A360BD54}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3C711D99-7E84-4B26-8312-7C10A360BD54}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3C711D99-7E84-4B26-8312-7C10A360BD54}.Release|Any CPU.Build.0 = Release|Any CPU
+		{9B17B17E-1201-4B23-ACCD-EF7F4495E4B7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9B17B17E-1201-4B23-ACCD-EF7F4495E4B7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9B17B17E-1201-4B23-ACCD-EF7F4495E4B7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9B17B17E-1201-4B23-ACCD-EF7F4495E4B7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BA7E2CE6-7797-42C7-931C-40C48EA521C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BA7E2CE6-7797-42C7-931C-40C48EA521C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BA7E2CE6-7797-42C7-931C-40C48EA521C7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BA7E2CE6-7797-42C7-931C-40C48EA521C7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1E4DDF78-14D2-498B-9A17-473F156DBE11}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1E4DDF78-14D2-498B-9A17-473F156DBE11}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1E4DDF78-14D2-498B-9A17-473F156DBE11}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1E4DDF78-14D2-498B-9A17-473F156DBE11}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

PlumbingRepair/PlumbingRepair/Form1.Designer.cs

@@ -1,39 +0,0 @@
-namespace PlumbingRepair
-{
-    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
-    }
-}

PlumbingRepair/PlumbingRepair/Form1.cs

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

PlumbingRepair/PlumbingRepair/FormComponent.Designer.cs

@@ -0,0 +1,123 @@
+namespace PlumbingRepair
+{
+    partial class FormComponent
+    {
+        /// <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.ComponentNameLabel = new System.Windows.Forms.Label();
+            this.ComponentNameTextBox = new System.Windows.Forms.TextBox();
+            this.CostLabel = new System.Windows.Forms.Label();
+            this.CostTextBox = new System.Windows.Forms.TextBox();
+            this.SaveButton = new System.Windows.Forms.Button();
+            this.ButtonCancel = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // ComponentNameLabel
+            // 
+            this.ComponentNameLabel.AutoSize = true;
+            this.ComponentNameLabel.Location = new System.Drawing.Point(22, 20);
+            this.ComponentNameLabel.Name = "ComponentNameLabel";
+            this.ComponentNameLabel.Size = new System.Drawing.Size(84, 20);
+            this.ComponentNameLabel.TabIndex = 0;
+            this.ComponentNameLabel.Text = "Название: ";
+            // 
+            // ComponentNameTextBox
+            // 
+            this.ComponentNameTextBox.Location = new System.Drawing.Point(103, 16);
+            this.ComponentNameTextBox.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.ComponentNameTextBox.Name = "ComponentNameTextBox";
+            this.ComponentNameTextBox.Size = new System.Drawing.Size(238, 27);
+            this.ComponentNameTextBox.TabIndex = 2;
+            // 
+            // CostLabel
+            // 
+            this.CostLabel.AutoSize = true;
+            this.CostLabel.Location = new System.Drawing.Point(46, 72);
+            this.CostLabel.Name = "CostLabel";
+            this.CostLabel.Size = new System.Drawing.Size(56, 20);
+            this.CostLabel.TabIndex = 3;
+            this.CostLabel.Text = "Цена:  ";
+            // 
+            // CostTextBox
+            // 
+            this.CostTextBox.Location = new System.Drawing.Point(103, 68);
+            this.CostTextBox.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.CostTextBox.Name = "CostTextBox";
+            this.CostTextBox.Size = new System.Drawing.Size(238, 27);
+            this.CostTextBox.TabIndex = 4;
+            // 
+            // SaveButton
+            // 
+            this.SaveButton.Location = new System.Drawing.Point(154, 120);
+            this.SaveButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.SaveButton.Name = "SaveButton";
+            this.SaveButton.Size = new System.Drawing.Size(95, 31);
+            this.SaveButton.TabIndex = 5;
+            this.SaveButton.Text = "Сохранить";
+            this.SaveButton.UseVisualStyleBackColor = true;
+            this.SaveButton.Click += new System.EventHandler(this.SaveButton_Click);
+            // 
+            // ButtonCancel
+            // 
+            this.ButtonCancel.Location = new System.Drawing.Point(256, 120);
+            this.ButtonCancel.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.ButtonCancel.Name = "ButtonCancel";
+            this.ButtonCancel.Size = new System.Drawing.Size(86, 31);
+            this.ButtonCancel.TabIndex = 6;
+            this.ButtonCancel.Text = "Отмена";
+            this.ButtonCancel.UseVisualStyleBackColor = true;
+            this.ButtonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // FormComponent
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(375, 167);
+            this.Controls.Add(this.ButtonCancel);
+            this.Controls.Add(this.SaveButton);
+            this.Controls.Add(this.CostTextBox);
+            this.Controls.Add(this.CostLabel);
+            this.Controls.Add(this.ComponentNameTextBox);
+            this.Controls.Add(this.ComponentNameLabel);
+            this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.Name = "FormComponent";
+            this.Text = "Компонент";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label ComponentNameLabel;
+        private TextBox ComponentNameTextBox;
+        private Label CostLabel;
+        private TextBox CostTextBox;
+        private Button SaveButton;
+        private Button ButtonCancel;
+    }
+}

PlumbingRepair/PlumbingRepair/FormComponent.cs

@@ -0,0 +1,93 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.SearchModels;
+using Microsoft.Extensions.Logging;
+
+namespace PlumbingRepair
+{
+    public partial class FormComponent : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IComponentLogic _logic;
+        private int? _id;
+        public int Id { set { _id = value; } }
+
+        public FormComponent(ILogger<FormComponent> logger, IComponentLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+
+        private void FormComponent_Load(object sender, EventArgs e)
+        {
+            if (_id.HasValue)
+            {
+                try
+                {
+                    _logger.LogInformation("Ïîëó÷åíèå êîìïîíåíòà");
+
+                    var view = _logic.ReadElement(new ComponentSearchModel
+                    {
+                        Id = _id.Value
+                    });
+
+                    if (view != null)
+                    {
+                        ComponentNameTextBox.Text = view.ComponentName;
+                        CostTextBox.Text = view.Cost.ToString();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Îøèáêà ïîëó÷åíèÿ êîìïîíåíòà");
+                    MessageBox.Show(ex.Message, "Îøèáêà", MessageBoxButtons.OK,
+                    MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void SaveButton_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(ComponentNameTextBox.Text))
+            {
+                MessageBox.Show("Çàïîëíèòå íàçâàíèå", "Îøèáêà", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            _logger.LogInformation("Ñîõðàíåíèå êîìïîíåíòà");
+
+            try
+            {
+                var model = new ComponentBindingModel
+                {
+                    Id = _id ?? 0,
+                    ComponentName = ComponentNameTextBox.Text,
+                    Cost = Convert.ToDouble(CostTextBox.Text)
+                };
+
+                var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
+
+                if (!operationResult)
+                {
+                    throw new Exception("Îøèáêà ïðè ñîõðàíåíèè. Äîïîëíèòåëüíàÿ èíôîðìàöèÿ â ëîãàõ.");
+                }
+
+                MessageBox.Show("Ñîõðàíåíèå ïðîøëî óñïåøíî", "Ñîîáùåíèå", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Îøèáêà ñîõðàíåíèÿ êîìïîíåíòà");
+                MessageBox.Show(ex.Message, "Îøèáêà", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

PlumbingRepair/PlumbingRepair/FormComponent.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

PlumbingRepair/PlumbingRepair/FormComponents.Designer.cs

@@ -0,0 +1,121 @@
+namespace PlumbingRepair
+{
+    partial class FormComponents
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.DataGridView = new System.Windows.Forms.DataGridView();
+            this.AddButton = new System.Windows.Forms.Button();
+            this.ChangeButton = new System.Windows.Forms.Button();
+            this.DeleteButton = new System.Windows.Forms.Button();
+            this.UpdateButton = new System.Windows.Forms.Button();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // DataGridView
+            // 
+            this.DataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.DataGridView.Location = new System.Drawing.Point(2, 0);
+            this.DataGridView.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.DataGridView.Name = "DataGridView";
+            this.DataGridView.RowHeadersWidth = 51;
+            this.DataGridView.RowTemplate.Height = 25;
+            this.DataGridView.Size = new System.Drawing.Size(630, 735);
+            this.DataGridView.TabIndex = 0;
+            // 
+            // AddButton
+            // 
+            this.AddButton.Location = new System.Drawing.Point(653, 35);
+            this.AddButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.AddButton.Name = "AddButton";
+            this.AddButton.Size = new System.Drawing.Size(162, 60);
+            this.AddButton.TabIndex = 1;
+            this.AddButton.Text = "Добавить";
+            this.AddButton.UseVisualStyleBackColor = true;
+            this.AddButton.Click += new System.EventHandler(this.AddButton_Click);
+            // 
+            // ChangeButton
+            // 
+            this.ChangeButton.Location = new System.Drawing.Point(653, 124);
+            this.ChangeButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.ChangeButton.Name = "ChangeButton";
+            this.ChangeButton.Size = new System.Drawing.Size(162, 60);
+            this.ChangeButton.TabIndex = 2;
+            this.ChangeButton.Text = "Изменить";
+            this.ChangeButton.UseVisualStyleBackColor = true;
+            this.ChangeButton.Click += new System.EventHandler(this.ChangeButton_Click);
+            // 
+            // DeleteButton
+            // 
+            this.DeleteButton.Location = new System.Drawing.Point(653, 216);
+            this.DeleteButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.DeleteButton.Name = "DeleteButton";
+            this.DeleteButton.Size = new System.Drawing.Size(162, 60);
+            this.DeleteButton.TabIndex = 3;
+            this.DeleteButton.Text = "Удалить";
+            this.DeleteButton.UseVisualStyleBackColor = true;
+            this.DeleteButton.Click += new System.EventHandler(this.DeleteButton_Click);
+            // 
+            // UpdateButton
+            // 
+            this.UpdateButton.Location = new System.Drawing.Point(653, 307);
+            this.UpdateButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.UpdateButton.Name = "UpdateButton";
+            this.UpdateButton.Size = new System.Drawing.Size(162, 60);
+            this.UpdateButton.TabIndex = 4;
+            this.UpdateButton.Text = "Обновить";
+            this.UpdateButton.UseVisualStyleBackColor = true;
+            this.UpdateButton.Click += new System.EventHandler(this.UpdateButton_Click);
+            // 
+            // FormComponents
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(829, 736);
+            this.Controls.Add(this.UpdateButton);
+            this.Controls.Add(this.DeleteButton);
+            this.Controls.Add(this.ChangeButton);
+            this.Controls.Add(this.AddButton);
+            this.Controls.Add(this.DataGridView);
+            this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.Name = "FormComponents";
+            this.Text = "Компоненты";
+            this.Load += new System.EventHandler(this.FormComponents_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private DataGridView DataGridView;
+        private Button AddButton;
+        private Button ChangeButton;
+        private Button DeleteButton;
+        private Button UpdateButton;
+    }
+}

PlumbingRepair/PlumbingRepair/FormComponents.cs

@@ -0,0 +1,110 @@
+using Microsoft.Extensions.Logging;
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+
+namespace PlumbingRepair
+{
+    public partial class FormComponents : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IComponentLogic _logic;
+
+        public FormComponents(ILogger<FormComponents> logger, IComponentLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+
+        private void FormComponents_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void LoadData()
+        {
+            try
+            {
+                var list = _logic.ReadList(null);
+
+                if (list != null)
+                {
+                    DataGridView.DataSource = list;
+                    DataGridView.Columns["Id"].Visible = false;
+                    DataGridView.Columns["ComponentName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                }
+
+                _logger.LogInformation("Загрузка компонентов");
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки компонентов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void AddButton_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormComponent));
+
+            if (service is FormComponent form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
+        private void ChangeButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormComponent));
+
+                if (service is FormComponent form)
+                {
+                    form.Id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Id"].Value);
+
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        LoadData();
+                    }
+                }
+            }
+        }
+        private void DeleteButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Удаление компонента");
+
+                    try
+                    {
+                        if (!_logic.Delete(new ComponentBindingModel
+                        {
+                            Id = id
+                        }))
+                        {
+                            throw new Exception("Ошибка при удалении. Дополнительная информация в логах.");
+                        }
+
+                        LoadData();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Ошибка удаления компонента");
+                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+        private void UpdateButton_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+    }
+}

PlumbingRepair/PlumbingRepair/FormComponents.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

PlumbingRepair/PlumbingRepair/FormCreateOrder.Designer.cs

@@ -0,0 +1,149 @@
+namespace PlumbingRepair
+{
+    partial class FormCreateOrder
+    {
+        /// <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.WorkNameLabel = new System.Windows.Forms.Label();
+            this.CountLabel = new System.Windows.Forms.Label();
+            this.SumLabel = new System.Windows.Forms.Label();
+            this.WorkComboBox = new System.Windows.Forms.ComboBox();
+            this.CountTextBox = new System.Windows.Forms.TextBox();
+            this.SumTextBox = new System.Windows.Forms.TextBox();
+            this.ButtonCancel = new System.Windows.Forms.Button();
+            this.SaveButton = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // WorkNameLabel
+            // 
+            this.WorkNameLabel.AutoSize = true;
+            this.WorkNameLabel.Location = new System.Drawing.Point(14, 12);
+            this.WorkNameLabel.Name = "WorkNameLabel";
+            this.WorkNameLabel.Size = new System.Drawing.Size(75, 20);
+            this.WorkNameLabel.TabIndex = 0;
+            this.WorkNameLabel.Text = "Изделие: ";
+            // 
+            // CountLabel
+            // 
+            this.CountLabel.AutoSize = true;
+            this.CountLabel.Location = new System.Drawing.Point(14, 53);
+            this.CountLabel.Name = "CountLabel";
+            this.CountLabel.Size = new System.Drawing.Size(97, 20);
+            this.CountLabel.TabIndex = 1;
+            this.CountLabel.Text = "Количество: ";
+            // 
+            // SumLabel
+            // 
+            this.SumLabel.AutoSize = true;
+            this.SumLabel.Location = new System.Drawing.Point(14, 96);
+            this.SumLabel.Name = "SumLabel";
+            this.SumLabel.Size = new System.Drawing.Size(62, 20);
+            this.SumLabel.TabIndex = 2;
+            this.SumLabel.Text = "Сумма: ";
+            // 
+            // WorkComboBox
+            // 
+            this.WorkComboBox.FormattingEnabled = true;
+            this.WorkComboBox.Location = new System.Drawing.Point(106, 8);
+            this.WorkComboBox.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.WorkComboBox.Name = "WorkComboBox";
+            this.WorkComboBox.Size = new System.Drawing.Size(229, 28);
+            this.WorkComboBox.TabIndex = 3;
+            this.WorkComboBox.SelectedIndexChanged += new System.EventHandler(this.WorkComboBox_SelectedIndexChanged);
+            // 
+            // CountTextBox
+            // 
+            this.CountTextBox.Location = new System.Drawing.Point(106, 49);
+            this.CountTextBox.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.CountTextBox.Name = "CountTextBox";
+            this.CountTextBox.Size = new System.Drawing.Size(229, 27);
+            this.CountTextBox.TabIndex = 4;
+            this.CountTextBox.TextChanged += new System.EventHandler(this.CountTextBox_TextChanged);
+            // 
+            // SumTextBox
+            // 
+            this.SumTextBox.Location = new System.Drawing.Point(106, 92);
+            this.SumTextBox.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.SumTextBox.Name = "SumTextBox";
+            this.SumTextBox.Size = new System.Drawing.Size(229, 27);
+            this.SumTextBox.TabIndex = 5;
+            // 
+            // ButtonCancel
+            // 
+            this.ButtonCancel.Location = new System.Drawing.Point(250, 151);
+            this.ButtonCancel.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.ButtonCancel.Name = "ButtonCancel";
+            this.ButtonCancel.Size = new System.Drawing.Size(86, 31);
+            this.ButtonCancel.TabIndex = 6;
+            this.ButtonCancel.Text = "Отменить";
+            this.ButtonCancel.UseVisualStyleBackColor = true;
+            this.ButtonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // SaveButton
+            // 
+            this.SaveButton.Location = new System.Drawing.Point(147, 151);
+            this.SaveButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.SaveButton.Name = "SaveButton";
+            this.SaveButton.Size = new System.Drawing.Size(97, 31);
+            this.SaveButton.TabIndex = 7;
+            this.SaveButton.Text = "Сохранить";
+            this.SaveButton.UseVisualStyleBackColor = true;
+            this.SaveButton.Click += new System.EventHandler(this.SaveButton_Click);
+            // 
+            // FormCreateOrder
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(353, 204);
+            this.Controls.Add(this.SaveButton);
+            this.Controls.Add(this.ButtonCancel);
+            this.Controls.Add(this.SumTextBox);
+            this.Controls.Add(this.CountTextBox);
+            this.Controls.Add(this.WorkComboBox);
+            this.Controls.Add(this.SumLabel);
+            this.Controls.Add(this.CountLabel);
+            this.Controls.Add(this.WorkNameLabel);
+            this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.Name = "FormCreateOrder";
+            this.Text = "Заказ";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label WorkNameLabel;
+        private Label CountLabel;
+        private Label SumLabel;
+        private ComboBox WorkComboBox;
+        private TextBox CountTextBox;
+        private TextBox SumTextBox;
+        private Button ButtonCancel;
+        private Button SaveButton;
+    }
+}

PlumbingRepair/PlumbingRepair/FormCreateOrder.cs

@@ -0,0 +1,134 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.SearchModels;
+using Microsoft.Extensions.Logging;
+
+namespace PlumbingRepair
+{
+    public partial class FormCreateOrder : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IWorkLogic _logicW;
+        private readonly IOrderLogic _logicO;
+
+        public FormCreateOrder(ILogger<FormCreateOrder> logger, IWorkLogic logicW, IOrderLogic logicO)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicW = logicW;
+            _logicO = logicO;
+            LoadData();
+        }
+
+        private void LoadData()
+        {
+            _logger.LogInformation("Загрузка изделий для заказа");
+
+            try
+            {
+                var list = _logicW.ReadList(null);
+                if (list != null)
+                {
+                    WorkComboBox.DisplayMember = "WorkName";
+                    WorkComboBox.ValueMember = "Id";
+                    WorkComboBox.DataSource = list;
+                    WorkComboBox.SelectedItem = null;
+                }
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки списка изделий");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void FormCreateOrder_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void CalcSum()
+        {
+            if (WorkComboBox.SelectedValue != null && !string.IsNullOrEmpty(CountTextBox.Text))
+            {
+                try
+                {
+                    int id = Convert.ToInt32(WorkComboBox.SelectedValue);
+
+                    var product = _logicW.ReadElement(new WorkSearchModel
+                    {
+                        Id = id
+                    });
+
+                    int count = Convert.ToInt32(CountTextBox.Text);
+                    SumTextBox.Text = Math.Round(count * (product?.Price ?? 0), 2).ToString();
+                    _logger.LogInformation("Расчет суммы заказа");
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка расчета суммы заказа");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void CountTextBox_TextChanged(object sender, EventArgs e)
+        {
+            CalcSum();
+        }
+
+        private void WorkComboBox_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            CalcSum();
+        }
+
+        private void SaveButton_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(CountTextBox.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (WorkComboBox.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            _logger.LogInformation("Создание заказа");
+
+            try
+            {
+                var operationResult = _logicO.CreateOrder(new OrderBindingModel
+                {
+                    WorkId = Convert.ToInt32(WorkComboBox.SelectedValue),
+                    WorkName = WorkComboBox.Text,
+                    Count = Convert.ToInt32(CountTextBox.Text),
+                    Sum = Convert.ToDouble(SumTextBox.Text)
+                });
+
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при создании заказа. Дополнительная информация в логах.");
+                }
+
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка создания заказа");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

PlumbingRepair/PlumbingRepair/FormCreateOrder.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

PlumbingRepair/PlumbingRepair/FormMain.Designer.cs

@@ -0,0 +1,184 @@
+namespace PlumbingRepair
+{
+    partial class FormMain
+    {
+        /// <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.MenuStrip = new System.Windows.Forms.MenuStrip();
+            this.СправочникиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.ИзделияToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.КомпонентыToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.DataGridView = new System.Windows.Forms.DataGridView();
+            this.CreateOrderButton = new System.Windows.Forms.Button();
+            this.TakeOrderInWorkButton = new System.Windows.Forms.Button();
+            this.OrderReadyButton = new System.Windows.Forms.Button();
+            this.IssuedOrderButton = new System.Windows.Forms.Button();
+            this.UpdateListButton = new System.Windows.Forms.Button();
+            this.MenuStrip.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // MenuStrip
+            // 
+            this.MenuStrip.ImageScalingSize = new System.Drawing.Size(20, 20);
+            this.MenuStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.СправочникиToolStripMenuItem});
+            this.MenuStrip.Location = new System.Drawing.Point(0, 0);
+            this.MenuStrip.Name = "MenuStrip";
+            this.MenuStrip.Padding = new System.Windows.Forms.Padding(7, 3, 0, 3);
+            this.MenuStrip.Size = new System.Drawing.Size(989, 30);
+            this.MenuStrip.TabIndex = 0;
+            this.MenuStrip.Text = "menuStrip1";
+            // 
+            // СправочникиToolStripMenuItem
+            // 
+            this.СправочникиToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.ИзделияToolStripMenuItem,
+            this.КомпонентыToolStripMenuItem});
+            this.СправочникиToolStripMenuItem.Name = "СправочникиToolStripMenuItem";
+            this.СправочникиToolStripMenuItem.Size = new System.Drawing.Size(117, 24);
+            this.СправочникиToolStripMenuItem.Text = "Cправочники";
+            // 
+            // ИзделияToolStripMenuItem
+            // 
+            this.ИзделияToolStripMenuItem.Name = "ИзделияToolStripMenuItem";
+            this.ИзделияToolStripMenuItem.Size = new System.Drawing.Size(182, 26);
+            this.ИзделияToolStripMenuItem.Text = "Изделия";
+            this.ИзделияToolStripMenuItem.Click += new System.EventHandler(this.ИзделияToolStripMenuItem_Click);
+            // 
+            // КомпонентыToolStripMenuItem
+            // 
+            this.КомпонентыToolStripMenuItem.Name = "КомпонентыToolStripMenuItem";
+            this.КомпонентыToolStripMenuItem.Size = new System.Drawing.Size(182, 26);
+            this.КомпонентыToolStripMenuItem.Text = "Компоненты";
+            this.КомпонентыToolStripMenuItem.Click += new System.EventHandler(this.КомпонентыToolStripMenuItem_Click);
+            // 
+            // DataGridView
+            // 
+            this.DataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.DataGridView.Location = new System.Drawing.Point(0, 36);
+            this.DataGridView.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.DataGridView.Name = "DataGridView";
+            this.DataGridView.RowHeadersWidth = 51;
+            this.DataGridView.RowTemplate.Height = 25;
+            this.DataGridView.Size = new System.Drawing.Size(825, 561);
+            this.DataGridView.TabIndex = 1;
+            // 
+            // CreateOrderButton
+            // 
+            this.CreateOrderButton.Location = new System.Drawing.Point(832, 37);
+            this.CreateOrderButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.CreateOrderButton.Name = "CreateOrderButton";
+            this.CreateOrderButton.Size = new System.Drawing.Size(143, 44);
+            this.CreateOrderButton.TabIndex = 2;
+            this.CreateOrderButton.Text = "Создать заказ";
+            this.CreateOrderButton.UseVisualStyleBackColor = true;
+            this.CreateOrderButton.Click += new System.EventHandler(this.CreateOrderButton_Click);
+            // 
+            // TakeOrderInWorkButton
+            // 
+            this.TakeOrderInWorkButton.Location = new System.Drawing.Point(832, 111);
+            this.TakeOrderInWorkButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.TakeOrderInWorkButton.Name = "TakeOrderInWorkButton";
+            this.TakeOrderInWorkButton.Size = new System.Drawing.Size(143, 52);
+            this.TakeOrderInWorkButton.TabIndex = 3;
+            this.TakeOrderInWorkButton.Text = "Отдать на выполнение";
+            this.TakeOrderInWorkButton.UseVisualStyleBackColor = true;
+            this.TakeOrderInWorkButton.Click += new System.EventHandler(this.TakeOrderInWorkButton_Click);
+            // 
+            // OrderReadyButton
+            // 
+            this.OrderReadyButton.Location = new System.Drawing.Point(832, 195);
+            this.OrderReadyButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.OrderReadyButton.Name = "OrderReadyButton";
+            this.OrderReadyButton.Size = new System.Drawing.Size(143, 44);
+            this.OrderReadyButton.TabIndex = 4;
+            this.OrderReadyButton.Text = "Заказ готов";
+            this.OrderReadyButton.UseVisualStyleBackColor = true;
+            this.OrderReadyButton.Click += new System.EventHandler(this.OrderReadyButton_Click);
+            // 
+            // IssuedOrderButton
+            // 
+            this.IssuedOrderButton.Location = new System.Drawing.Point(832, 272);
+            this.IssuedOrderButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.IssuedOrderButton.Name = "IssuedOrderButton";
+            this.IssuedOrderButton.Size = new System.Drawing.Size(143, 44);
+            this.IssuedOrderButton.TabIndex = 5;
+            this.IssuedOrderButton.Text = "Заказ выдан";
+            this.IssuedOrderButton.UseVisualStyleBackColor = true;
+            this.IssuedOrderButton.Click += new System.EventHandler(this.IssuedOrderButton_Click);
+            // 
+            // UpdateListButton
+            // 
+            this.UpdateListButton.Location = new System.Drawing.Point(832, 349);
+            this.UpdateListButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.UpdateListButton.Name = "UpdateListButton";
+            this.UpdateListButton.Size = new System.Drawing.Size(143, 44);
+            this.UpdateListButton.TabIndex = 6;
+            this.UpdateListButton.Text = "Обновить список";
+            this.UpdateListButton.UseVisualStyleBackColor = true;
+            this.UpdateListButton.Click += new System.EventHandler(this.UpdateListButton_Click);
+            // 
+            // FormMain
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(989, 600);
+            this.Controls.Add(this.UpdateListButton);
+            this.Controls.Add(this.IssuedOrderButton);
+            this.Controls.Add(this.OrderReadyButton);
+            this.Controls.Add(this.TakeOrderInWorkButton);
+            this.Controls.Add(this.CreateOrderButton);
+            this.Controls.Add(this.DataGridView);
+            this.Controls.Add(this.MenuStrip);
+            this.MainMenuStrip = this.MenuStrip;
+            this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.Name = "FormMain";
+            this.Text = "Ремонт сантехники";
+            this.Load += new System.EventHandler(this.FormMain_Load);
+            this.MenuStrip.ResumeLayout(false);
+            this.MenuStrip.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private MenuStrip MenuStrip;
+        private ToolStripMenuItem СправочникиToolStripMenuItem;
+        private ToolStripMenuItem ИзделияToolStripMenuItem;
+        private ToolStripMenuItem КомпонентыToolStripMenuItem;
+        private DataGridView DataGridView;
+        private Button CreateOrderButton;
+        private Button TakeOrderInWorkButton;
+        private Button OrderReadyButton;
+        private Button IssuedOrderButton;
+        private Button UpdateListButton;
+    }
+}

PlumbingRepair/PlumbingRepair/FormMain.cs

@@ -0,0 +1,190 @@
+using Microsoft.Extensions.Logging;
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairDataModels.Enums;
+
+namespace PlumbingRepair
+{
+    public partial class FormMain : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IOrderLogic _orderLogic;
+
+        public FormMain(ILogger<FormMain> logger, IOrderLogic orderLogic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _orderLogic = orderLogic;
+        }
+
+        private void FormMain_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void LoadData()
+        {
+            _logger.LogInformation("Загрузка заказов");
+
+            try
+            {
+                var list = _orderLogic.ReadList(null);
+
+                if (list != null)
+                {
+                    DataGridView.DataSource = list;
+                    DataGridView.Columns["WorkId"].Visible = false;
+                }
+
+                _logger.LogInformation("Загрузка заказов");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки заказов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void КомпонентыToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormComponents));
+
+            if (service is FormComponents form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void ИзделияToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormWorks));
+
+            if (service is FormWorks form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void CreateOrderButton_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormCreateOrder));
+
+            if (service is FormCreateOrder form)
+            {
+                form.ShowDialog();
+                LoadData();
+            }
+        }
+
+        private void TakeOrderInWorkButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                int id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Id"].Value);
+                _logger.LogInformation("Заказ №{id}. Меняется статус на 'В работе'", id);
+
+                try
+                {
+                    var operationResult = _orderLogic.TakeOrderInWork(new OrderBindingModel
+                    {
+                        Id = id,
+                        WorkId = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["WorkId"].Value),
+                        WorkName = DataGridView.SelectedRows[0].Cells["WorkName"].Value.ToString(),
+                        Status = Enum.Parse<OrderStatus>(DataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
+                        Count = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Count"].Value),
+                        Sum = double.Parse(DataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
+                        DateCreate = DateTime.Parse(DataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
+                    });
+
+                    if (!operationResult)
+                    {
+                        throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                    }
+
+                    LoadData();
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка передачи заказа в работу");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void IssuedOrderButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                int id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Id"].Value);
+                _logger.LogInformation("Заказ №{id}. Меняется статус на 'Готов'", id);
+
+                try
+                {
+                    var operationResult = _orderLogic.FinishOrder(new OrderBindingModel
+                    {
+                        Id = id,
+                        WorkId = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["WorkId"].Value),
+                        WorkName = DataGridView.SelectedRows[0].Cells["WorkName"].Value.ToString(),
+                        Status = Enum.Parse<OrderStatus>(DataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
+                        Count = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Count"].Value),
+                        Sum = double.Parse(DataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
+                        DateCreate = DateTime.Parse(DataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
+                    });
+
+                    if (!operationResult)
+                    {
+                        throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                    }
+
+                    LoadData();
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка отметки о готовности заказа");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void OrderReadyButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                int id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Id"].Value);
+                _logger.LogInformation("Заказ №{id}. Меняется статус на 'Выдан'", id);
+
+                try
+                {
+                    var operationResult = _orderLogic.DeliveryOrder(new OrderBindingModel
+                    {
+                        Id = id,
+                        WorkId = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["WorkId"].Value),
+                        WorkName = DataGridView.SelectedRows[0].Cells["WorkName"].Value.ToString(),
+                        Status = Enum.Parse<OrderStatus>(DataGridView.SelectedRows[0].Cells["Status"].Value.ToString()),
+                        Count = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Count"].Value),
+                        Sum = double.Parse(DataGridView.SelectedRows[0].Cells["Sum"].Value.ToString()),
+                        DateCreate = DateTime.Parse(DataGridView.SelectedRows[0].Cells["DateCreate"].Value.ToString()),
+                    });
+
+                    if (!operationResult)
+                    {
+                        throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                    }
+
+                    _logger.LogInformation("Заказ №{id} выдан", id);
+                    LoadData();
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка отметки о выдачи заказа");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void UpdateListButton_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+    }
+}

PlumbingRepair/PlumbingRepair/FormMain.resx

@@ -0,0 +1,63 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="MenuStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+</root>

PlumbingRepair/PlumbingRepair/FormWork.Designer.cs

@@ -0,0 +1,252 @@
+namespace PlumbingRepair
+{
+    partial class FormWork
+    {
+        /// <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()
+        {
+            System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle1 = new System.Windows.Forms.DataGridViewCellStyle();
+            System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle2 = new System.Windows.Forms.DataGridViewCellStyle();
+            System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle3 = new System.Windows.Forms.DataGridViewCellStyle();
+            this.WorkNameLabel = new System.Windows.Forms.Label();
+            this.PriceLabel = new System.Windows.Forms.Label();
+            this.WorkNameTextBox = new System.Windows.Forms.TextBox();
+            this.PriceTextBox = new System.Windows.Forms.TextBox();
+            this.ComponentsGroupBox = new System.Windows.Forms.GroupBox();
+            this.UpdateButton = new System.Windows.Forms.Button();
+            this.DeleteButton = new System.Windows.Forms.Button();
+            this.ChangeButton = new System.Windows.Forms.Button();
+            this.AddButton = new System.Windows.Forms.Button();
+            this.DataGridView = new System.Windows.Forms.DataGridView();
+            this.ID = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.ComponentNameField = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.CountField = new System.Windows.Forms.DataGridViewTextBoxColumn();
+            this.ButtonCancel = new System.Windows.Forms.Button();
+            this.SaveButton = new System.Windows.Forms.Button();
+            this.ComponentsGroupBox.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // WorkNameLabel
+            // 
+            this.WorkNameLabel.AutoSize = true;
+            this.WorkNameLabel.Location = new System.Drawing.Point(12, 9);
+            this.WorkNameLabel.Name = "PackageNameLabel";
+            this.WorkNameLabel.Size = new System.Drawing.Size(65, 15);
+            this.WorkNameLabel.TabIndex = 0;
+            this.WorkNameLabel.Text = "Название: ";
+            // 
+            // PriceLabel
+            // 
+            this.PriceLabel.AutoSize = true;
+            this.PriceLabel.Location = new System.Drawing.Point(12, 43);
+            this.PriceLabel.Name = "PriceLabel";
+            this.PriceLabel.Size = new System.Drawing.Size(73, 15);
+            this.PriceLabel.TabIndex = 1;
+            this.PriceLabel.Text = "Стоимость: ";
+            // 
+            // WorkNameTextBox
+            // 
+            this.WorkNameTextBox.Location = new System.Drawing.Point(83, 6);
+            this.WorkNameTextBox.Name = "PackageNameTextBox";
+            this.WorkNameTextBox.Size = new System.Drawing.Size(283, 23);
+            this.WorkNameTextBox.TabIndex = 2;
+            // 
+            // PriceTextBox
+            // 
+            this.PriceTextBox.Location = new System.Drawing.Point(83, 40);
+            this.PriceTextBox.Name = "PriceTextBox";
+            this.PriceTextBox.Size = new System.Drawing.Size(283, 23);
+            this.PriceTextBox.TabIndex = 3;
+            // 
+            // ComponentsGroupBox
+            // 
+            this.ComponentsGroupBox.Controls.Add(this.UpdateButton);
+            this.ComponentsGroupBox.Controls.Add(this.DeleteButton);
+            this.ComponentsGroupBox.Controls.Add(this.ChangeButton);
+            this.ComponentsGroupBox.Controls.Add(this.AddButton);
+            this.ComponentsGroupBox.Controls.Add(this.DataGridView);
+            this.ComponentsGroupBox.Location = new System.Drawing.Point(12, 80);
+            this.ComponentsGroupBox.Name = "ComponentsGroupBox";
+            this.ComponentsGroupBox.Size = new System.Drawing.Size(722, 350);
+            this.ComponentsGroupBox.TabIndex = 5;
+            this.ComponentsGroupBox.TabStop = false;
+            this.ComponentsGroupBox.Text = "Компоненты";
+            // 
+            // UpdateButton
+            // 
+            this.UpdateButton.Location = new System.Drawing.Point(590, 203);
+            this.UpdateButton.Name = "UpdateButton";
+            this.UpdateButton.Size = new System.Drawing.Size(110, 38);
+            this.UpdateButton.TabIndex = 4;
+            this.UpdateButton.Text = "Обновить";
+            this.UpdateButton.UseVisualStyleBackColor = true;
+            this.UpdateButton.Click += new System.EventHandler(this.UpdateButton_Click);
+            // 
+            // DeleteButton
+            // 
+            this.DeleteButton.Location = new System.Drawing.Point(590, 143);
+            this.DeleteButton.Name = "DeleteButton";
+            this.DeleteButton.Size = new System.Drawing.Size(110, 38);
+            this.DeleteButton.TabIndex = 3;
+            this.DeleteButton.Text = "Удалить";
+            this.DeleteButton.UseVisualStyleBackColor = true;
+            this.DeleteButton.Click += new System.EventHandler(this.DeleteButton_Click);
+            // 
+            // ChangeButton
+            // 
+            this.ChangeButton.Location = new System.Drawing.Point(590, 82);
+            this.ChangeButton.Name = "ChangeButton";
+            this.ChangeButton.Size = new System.Drawing.Size(110, 38);
+            this.ChangeButton.TabIndex = 2;
+            this.ChangeButton.Text = "Изменить";
+            this.ChangeButton.UseVisualStyleBackColor = true;
+            this.ChangeButton.Click += new System.EventHandler(this.ChangeButton_Click);
+            // 
+            // AddButton
+            // 
+            this.AddButton.Location = new System.Drawing.Point(590, 22);
+            this.AddButton.Name = "AddButton";
+            this.AddButton.Size = new System.Drawing.Size(110, 38);
+            this.AddButton.TabIndex = 1;
+            this.AddButton.Text = "Добавить";
+            this.AddButton.UseVisualStyleBackColor = true;
+            this.AddButton.Click += new System.EventHandler(this.AddButton_Click);
+            // 
+            // DataGridView
+            // 
+            dataGridViewCellStyle1.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft;
+            dataGridViewCellStyle1.BackColor = System.Drawing.SystemColors.Control;
+            dataGridViewCellStyle1.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            dataGridViewCellStyle1.ForeColor = System.Drawing.SystemColors.WindowText;
+            dataGridViewCellStyle1.SelectionBackColor = System.Drawing.SystemColors.Highlight;
+            dataGridViewCellStyle1.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
+            dataGridViewCellStyle1.WrapMode = System.Windows.Forms.DataGridViewTriState.True;
+            this.DataGridView.ColumnHeadersDefaultCellStyle = dataGridViewCellStyle1;
+            this.DataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.DataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
+            this.ID,
+            this.ComponentNameField,
+            this.CountField});
+            dataGridViewCellStyle2.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft;
+            dataGridViewCellStyle2.BackColor = System.Drawing.SystemColors.Window;
+            dataGridViewCellStyle2.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            dataGridViewCellStyle2.ForeColor = System.Drawing.SystemColors.ControlText;
+            dataGridViewCellStyle2.SelectionBackColor = System.Drawing.SystemColors.Highlight;
+            dataGridViewCellStyle2.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
+            dataGridViewCellStyle2.WrapMode = System.Windows.Forms.DataGridViewTriState.False;
+            this.DataGridView.DefaultCellStyle = dataGridViewCellStyle2;
+            this.DataGridView.Location = new System.Drawing.Point(6, 22);
+            this.DataGridView.Name = "DataGridView";
+            dataGridViewCellStyle3.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleLeft;
+            dataGridViewCellStyle3.BackColor = System.Drawing.SystemColors.Control;
+            dataGridViewCellStyle3.Font = new System.Drawing.Font("Segoe UI", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
+            dataGridViewCellStyle3.ForeColor = System.Drawing.SystemColors.WindowText;
+            dataGridViewCellStyle3.SelectionBackColor = System.Drawing.SystemColors.Highlight;
+            dataGridViewCellStyle3.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
+            dataGridViewCellStyle3.WrapMode = System.Windows.Forms.DataGridViewTriState.True;
+            this.DataGridView.RowHeadersDefaultCellStyle = dataGridViewCellStyle3;
+            this.DataGridView.RowTemplate.Height = 25;
+            this.DataGridView.Size = new System.Drawing.Size(561, 322);
+            this.DataGridView.TabIndex = 0;
+            // 
+            // ID
+            // 
+            this.ID.HeaderText = "ID";
+            this.ID.Name = "ID";
+            this.ID.Visible = false;
+            // 
+            // ComponentNameField
+            // 
+            this.ComponentNameField.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
+            this.ComponentNameField.HeaderText = "Компонент";
+            this.ComponentNameField.Name = "ComponentNameField";
+            // 
+            // CountField
+            // 
+            this.CountField.HeaderText = "Количество";
+            this.CountField.Name = "CountField";
+            // 
+            // ButtonCancel
+            // 
+            this.ButtonCancel.Location = new System.Drawing.Point(602, 446);
+            this.ButtonCancel.Name = "ButtonCancel";
+            this.ButtonCancel.Size = new System.Drawing.Size(110, 34);
+            this.ButtonCancel.TabIndex = 7;
+            this.ButtonCancel.Text = "Отмена";
+            this.ButtonCancel.UseVisualStyleBackColor = true;
+            this.ButtonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // SaveButton
+            // 
+            this.SaveButton.Location = new System.Drawing.Point(486, 446);
+            this.SaveButton.Name = "SaveButton";
+            this.SaveButton.Size = new System.Drawing.Size(110, 34);
+            this.SaveButton.TabIndex = 8;
+            this.SaveButton.Text = "Сохранить";
+            this.SaveButton.UseVisualStyleBackColor = true;
+            this.SaveButton.Click += new System.EventHandler(this.SaveButton_Click);
+            // 
+            // FormWork
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 15F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(746, 498);
+            this.Controls.Add(this.SaveButton);
+            this.Controls.Add(this.ButtonCancel);
+            this.Controls.Add(this.ComponentsGroupBox);
+            this.Controls.Add(this.PriceTextBox);
+            this.Controls.Add(this.WorkNameTextBox);
+            this.Controls.Add(this.PriceLabel);
+            this.Controls.Add(this.WorkNameLabel);
+            this.Name = "FormWork";
+            this.Text = "Изделие";
+            this.ComponentsGroupBox.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label WorkNameLabel;
+        private Label PriceLabel;
+        private TextBox WorkNameTextBox;
+        private TextBox PriceTextBox;
+        private GroupBox ComponentsGroupBox;
+        private Button UpdateButton;
+        private Button DeleteButton;
+        private Button ChangeButton;
+        private Button AddButton;
+        private DataGridView DataGridView;
+        private DataGridViewTextBoxColumn ID;
+        private DataGridViewTextBoxColumn ComponentNameField;
+        private DataGridViewTextBoxColumn CountField;
+        private Button ButtonCancel;
+        private Button SaveButton;
+    }
+}

PlumbingRepair/PlumbingRepair/FormWork.cs

@@ -0,0 +1,229 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairDataModels.Models;
+using Microsoft.Extensions.Logging;
+using System.Windows.Forms;
+
+namespace PlumbingRepair
+{
+    public partial class FormWork : Form
+    {
+        private readonly ILogger _logger;
+
+        private readonly IWorkLogic _logic;
+
+        private int? _id;
+
+        private Dictionary<int, (IComponentModel, int)> _workComponents;
+
+        public int Id { set { _id = value; } }
+        public FormWork(ILogger<FormWork> logger, IWorkLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+            _workComponents = new Dictionary<int, (IComponentModel, int)>();
+        }
+        private void FormWork_Load(object sender, EventArgs e)
+        {
+            if (_id.HasValue)
+            {
+                _logger.LogInformation("Загрузка изделия");
+
+                try
+                {
+                    var view = _logic.ReadElement(new WorkSearchModel
+                    {
+                        Id = _id.Value
+                    });
+
+                    if (view != null)
+                    {
+                        WorkNameTextBox.Text = view.WorkName;
+                        PriceTextBox.Text = view.Price.ToString();
+                        _workComponents = view.WorkComponents ?? new Dictionary<int, (IComponentModel, int)>();
+                        LoadData();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка загрузки изделия");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+        private void LoadData()
+        {
+            _logger.LogInformation("Загрузка компонент изделия");
+
+            try
+            {
+                if (_workComponents != null)
+                {
+                    DataGridView.Rows.Clear();
+                    foreach (var pc in _workComponents)
+                    {
+                        DataGridView.Rows.Add(new object[] { pc.Key, pc.Value.Item1.ComponentName, pc.Value.Item2 });
+                    }
+                    PriceTextBox.Text = CalcPrice().ToString();
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки компонент изделия");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        private void AddButton_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormWorkComponent));
+
+            if (service is FormWorkComponent form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    if (form.ComponentModel == null)
+                    {
+                        return;
+                    }
+
+                    _logger.LogInformation("Добавление нового компонента: { ComponentName} - { Count}", form.ComponentModel.ComponentName, form.Count);
+
+                    if (_workComponents.ContainsKey(form.Id))
+                    {
+                        _workComponents[form.Id] = (form.ComponentModel, form.Count);
+                    }
+
+                    else
+                    {
+                        _workComponents.Add(form.Id, (form.ComponentModel, form.Count));
+                    }
+
+                    LoadData();
+                }
+            }
+        }
+
+        private void ChangeButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormWorkComponent));
+
+                if (service is FormWorkComponent form)
+                {
+                    int id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells[0].Value);
+                    form.Id = id;
+                    form.Count = _workComponents[id].Item2;
+
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        if (form.ComponentModel == null)
+                        {
+                            return;
+                        }
+
+                        _logger.LogInformation("Изменение компонента: { ComponentName} - { Count}", form.ComponentModel.ComponentName, form.Count);
+                        _workComponents[form.Id] = (form.ComponentModel, form.Count);
+                        LoadData();
+                    }
+                }
+            }
+        }
+
+        private void DeleteButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    try
+                    {
+                        _logger.LogInformation("Удаление компонента: { ComponentName} - { Count}", DataGridView.SelectedRows[0].Cells[1].Value);
+                        _workComponents?.Remove(Convert.ToInt32(DataGridView.SelectedRows[0].Cells[0].Value));
+                    }
+                    catch (Exception ex)
+                    {
+                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+
+                    LoadData();
+                }
+            }
+        }
+
+        private void UpdateButton_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void SaveButton_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(WorkNameTextBox.Text))
+            {
+                MessageBox.Show("Заполните название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (string.IsNullOrEmpty(PriceTextBox.Text))
+            {
+                MessageBox.Show("Заполните цену", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (_workComponents == null || _workComponents.Count == 0)
+            {
+                MessageBox.Show("Заполните компоненты", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            _logger.LogInformation("Сохранение изделия");
+
+            try
+            {
+                var model = new WorkBindingModel
+                {
+                    Id = _id ?? 0,
+                    WorkName = WorkNameTextBox.Text,
+                    Price = Convert.ToDouble(PriceTextBox.Text),
+                    WorkComponents = _workComponents
+                };
+
+                var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
+
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                }
+
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка сохранения изделия");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private double CalcPrice()
+        {
+            double price = 0;
+
+            foreach (var elem in _workComponents)
+            {
+                price += ((elem.Value.Item1?.Cost ?? 0) * elem.Value.Item2);
+            }
+
+            return Math.Round(price * 1.1, 2);
+        }
+    }
+}

PlumbingRepair/PlumbingRepair/FormWorkComponent.Designer.cs

@@ -0,0 +1,124 @@
+namespace PlumbingRepair
+{
+    partial class FormWorkComponent
+    {
+        /// <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.ComponentSelectLabel = new System.Windows.Forms.Label();
+            this.CountLabel = new System.Windows.Forms.Label();
+            this.ComponentComboBox = new System.Windows.Forms.ComboBox();
+            this.CountTextBox = new System.Windows.Forms.TextBox();
+            this.SaveButton = new System.Windows.Forms.Button();
+            this.ButtonCancel = new System.Windows.Forms.Button();
+            this.SuspendLayout();
+            // 
+            // ComponentSelectLabel
+            // 
+            this.ComponentSelectLabel.AutoSize = true;
+            this.ComponentSelectLabel.Location = new System.Drawing.Point(30, 27);
+            this.ComponentSelectLabel.Name = "ComponentSelectLabel";
+            this.ComponentSelectLabel.Size = new System.Drawing.Size(95, 20);
+            this.ComponentSelectLabel.TabIndex = 0;
+            this.ComponentSelectLabel.Text = "Компонент: ";
+            // 
+            // CountLabel
+            // 
+            this.CountLabel.AutoSize = true;
+            this.CountLabel.Location = new System.Drawing.Point(30, 75);
+            this.CountLabel.Name = "CountLabel";
+            this.CountLabel.Size = new System.Drawing.Size(97, 20);
+            this.CountLabel.TabIndex = 1;
+            this.CountLabel.Text = "Количество: ";
+            // 
+            // ComponentComboBox
+            // 
+            this.ComponentComboBox.FormattingEnabled = true;
+            this.ComponentComboBox.Location = new System.Drawing.Point(122, 23);
+            this.ComponentComboBox.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.ComponentComboBox.Name = "ComponentComboBox";
+            this.ComponentComboBox.Size = new System.Drawing.Size(217, 28);
+            this.ComponentComboBox.TabIndex = 2;
+            // 
+            // CountTextBox
+            // 
+            this.CountTextBox.Location = new System.Drawing.Point(122, 71);
+            this.CountTextBox.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.CountTextBox.Name = "CountTextBox";
+            this.CountTextBox.Size = new System.Drawing.Size(217, 27);
+            this.CountTextBox.TabIndex = 3;
+            // 
+            // SaveButton
+            // 
+            this.SaveButton.Location = new System.Drawing.Point(152, 131);
+            this.SaveButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.SaveButton.Name = "SaveButton";
+            this.SaveButton.Size = new System.Drawing.Size(95, 31);
+            this.SaveButton.TabIndex = 4;
+            this.SaveButton.Text = "Сохранить";
+            this.SaveButton.UseVisualStyleBackColor = true;
+            this.SaveButton.Click += new System.EventHandler(this.SaveButton_Click);
+            // 
+            // ButtonCancel
+            // 
+            this.ButtonCancel.Location = new System.Drawing.Point(254, 131);
+            this.ButtonCancel.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.ButtonCancel.Name = "ButtonCancel";
+            this.ButtonCancel.Size = new System.Drawing.Size(86, 31);
+            this.ButtonCancel.TabIndex = 5;
+            this.ButtonCancel.Text = "Отмена";
+            this.ButtonCancel.UseVisualStyleBackColor = true;
+            this.ButtonCancel.Click += new System.EventHandler(this.ButtonCancel_Click);
+            // 
+            // FormWorkComponent
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(385, 188);
+            this.Controls.Add(this.ButtonCancel);
+            this.Controls.Add(this.SaveButton);
+            this.Controls.Add(this.CountTextBox);
+            this.Controls.Add(this.ComponentComboBox);
+            this.Controls.Add(this.CountLabel);
+            this.Controls.Add(this.ComponentSelectLabel);
+            this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.Name = "FormWorkComponent";
+            this.Text = "Компонент изделия";
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Label ComponentSelectLabel;
+        private Label CountLabel;
+        private ComboBox ComponentComboBox;
+        private TextBox CountTextBox;
+        private Button SaveButton;
+        private Button ButtonCancel;
+    }
+}

PlumbingRepair/PlumbingRepair/FormWorkComponent.cs

@@ -0,0 +1,86 @@
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+
+namespace PlumbingRepair
+{
+    public partial class FormWorkComponent : Form
+    {
+        private readonly List<ComponentViewModel>? _list;
+
+        public int Id
+        {
+            get
+            {
+                return Convert.ToInt32(ComponentComboBox.SelectedValue);
+            }
+            set
+            {
+                ComponentComboBox.SelectedValue = value;
+            }
+        }
+
+        public IComponentModel? ComponentModel
+        {
+            get
+            {
+                if (_list == null)
+                {
+                    return null;
+                }
+                foreach (var elem in _list)
+                {
+                    if (elem.Id == Id)
+                    {
+                        return elem;
+                    }
+                }
+                return null;
+            }
+        }
+
+        public int Count
+        {
+            get { return Convert.ToInt32(CountTextBox.Text); }
+            set { CountTextBox.Text = value.ToString(); }
+        }
+
+        public FormWorkComponent(IComponentLogic logic)
+        {
+            InitializeComponent();
+            _list = logic.ReadList(null);
+            if (_list != null)
+            {
+                ComponentComboBox.DisplayMember = "ComponentName";
+                ComponentComboBox.ValueMember = "Id";
+                ComponentComboBox.DataSource = _list;
+                ComponentComboBox.SelectedItem = null;
+            }
+        }
+
+
+        private void SaveButton_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(CountTextBox.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            if (ComponentComboBox.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите компонент", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+
+            DialogResult = DialogResult.OK;
+            Close();
+        }
+
+        private void ButtonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

PlumbingRepair/PlumbingRepair/FormWorkComponent.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

PlumbingRepair/PlumbingRepair/FormWorks.Designer.cs

@@ -0,0 +1,121 @@
+namespace PlumbingRepair
+{
+    partial class FormWorks
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.DataGridView = new System.Windows.Forms.DataGridView();
+            this.AddButton = new System.Windows.Forms.Button();
+            this.ChangeButton = new System.Windows.Forms.Button();
+            this.DeleteButton = new System.Windows.Forms.Button();
+            this.UpdateButton = new System.Windows.Forms.Button();
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // DataGridView
+            // 
+            this.DataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.DataGridView.Location = new System.Drawing.Point(1, 1);
+            this.DataGridView.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.DataGridView.Name = "DataGridView";
+            this.DataGridView.RowHeadersWidth = 51;
+            this.DataGridView.RowTemplate.Height = 25;
+            this.DataGridView.Size = new System.Drawing.Size(642, 660);
+            this.DataGridView.TabIndex = 0;
+            // 
+            // AddButton
+            // 
+            this.AddButton.Location = new System.Drawing.Point(669, 16);
+            this.AddButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.AddButton.Name = "AddButton";
+            this.AddButton.Size = new System.Drawing.Size(137, 55);
+            this.AddButton.TabIndex = 1;
+            this.AddButton.Text = "Добавить";
+            this.AddButton.UseVisualStyleBackColor = true;
+            this.AddButton.Click += new System.EventHandler(this.AddButton_Click);
+            // 
+            // ChangeButton
+            // 
+            this.ChangeButton.Location = new System.Drawing.Point(669, 95);
+            this.ChangeButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.ChangeButton.Name = "ChangeButton";
+            this.ChangeButton.Size = new System.Drawing.Size(137, 55);
+            this.ChangeButton.TabIndex = 2;
+            this.ChangeButton.Text = "Изменить";
+            this.ChangeButton.UseVisualStyleBackColor = true;
+            this.ChangeButton.Click += new System.EventHandler(this.ChangeButton_Click);
+            // 
+            // DeleteButton
+            // 
+            this.DeleteButton.Location = new System.Drawing.Point(669, 173);
+            this.DeleteButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.DeleteButton.Name = "DeleteButton";
+            this.DeleteButton.Size = new System.Drawing.Size(137, 55);
+            this.DeleteButton.TabIndex = 3;
+            this.DeleteButton.Text = "Удалить";
+            this.DeleteButton.UseVisualStyleBackColor = true;
+            this.DeleteButton.Click += new System.EventHandler(this.DeleteButton_Click);
+            // 
+            // UpdateButton
+            // 
+            this.UpdateButton.Location = new System.Drawing.Point(669, 255);
+            this.UpdateButton.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.UpdateButton.Name = "UpdateButton";
+            this.UpdateButton.Size = new System.Drawing.Size(137, 55);
+            this.UpdateButton.TabIndex = 4;
+            this.UpdateButton.Text = "Обновить";
+            this.UpdateButton.UseVisualStyleBackColor = true;
+            this.UpdateButton.Click += new System.EventHandler(this.UpdateButton_Click);
+            // 
+            // FormWorks
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(819, 669);
+            this.Controls.Add(this.UpdateButton);
+            this.Controls.Add(this.DeleteButton);
+            this.Controls.Add(this.ChangeButton);
+            this.Controls.Add(this.AddButton);
+            this.Controls.Add(this.DataGridView);
+            this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
+            this.Name = "FormWorks";
+            this.Text = "Изделия";
+            this.Load += new System.EventHandler(this.FormComponents_Load);
+            ((System.ComponentModel.ISupportInitialize)(this.DataGridView)).EndInit();
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private DataGridView DataGridView;
+        private Button AddButton;
+        private Button ChangeButton;
+        private Button DeleteButton;
+        private Button UpdateButton;
+    }
+}

PlumbingRepair/PlumbingRepair/FormWorks.cs

@@ -0,0 +1,111 @@
+using Microsoft.Extensions.Logging;
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+
+namespace PlumbingRepair
+{
+    public partial class FormWorks : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IWorkLogic _logic;
+
+        public FormWorks(ILogger<FormWorks> logger, IWorkLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+
+        private void FormComponents_Load(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+
+        private void LoadData()
+        {
+            try
+            {
+                var list = _logic.ReadList(null);
+
+                if (list != null)
+                {
+                    DataGridView.DataSource = list;
+                    DataGridView.Columns["Id"].Visible = false;
+                    DataGridView.Columns["WorkName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                    DataGridView.Columns["WorkComponents"].Visible = false;
+                }
+
+                _logger.LogInformation("Загрузка изделий");
+
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки изделий");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void AddButton_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormWork));
+
+            if (service is FormWork form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
+        private void ChangeButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormWork));
+
+                if (service is FormWork form)
+                {
+                    form.Id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Id"].Value);
+
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        LoadData();
+                    }
+                }
+            }
+        }
+        private void DeleteButton_Click(object sender, EventArgs e)
+        {
+            if (DataGridView.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Удаление изделия");
+
+                    try
+                    {
+                        if (!_logic.Delete(new WorkBindingModel
+                        {
+                            Id = id
+                        }))
+                        {
+                            throw new Exception("Ошибка при удалении. Дополнительная информация в логах.");
+                        }
+
+                        LoadData();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Ошибка удаления изделия");
+                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+        private void UpdateButton_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+    }
+}

PlumbingRepair/PlumbingRepair/FormWorks.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

PlumbingRepair/PlumbingRepair/PlumbingRepair.csproj

@@ -8,4 +8,19 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.2.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PlumbingRepairBusinessLogic\PlumbingRepairBusinessLogic.csproj" />
+    <ProjectReference Include="..\PlumbingRepairDatabaseImplement\PlumbingRepairDatabaseImplement.csproj" />
+    <ProjectReference Include="..\PlumbingRepairListImplement\PlumbingRepairListImplement.csproj" />
+    <ProjectReference Include="..\PlumpingRepairFileImplement\PlumbingRepairFileImplement.csproj" />
+  </ItemGroup>
+
 </Project>

PlumbingRepair/PlumbingRepair/Program.cs

@@ -1,7 +1,18 @@
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairDatabaseImplement.Implements;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using NLog.Extensions.Logging;
+using PlumbingRepairBusinessLogic.BusinessLogic;
+
+
 namespace PlumbingRepair
 {
     internal static class Program
     {
+        private static ServiceProvider? _serviceProvider;
+        public static ServiceProvider? ServiceProvider => _serviceProvider;
         /// <summary>
         /// The main entry point for the application.
         /// </summary>
@@ -11,7 +22,31 @@ namespace PlumbingRepair
             // To customize application configuration such as set high DPI settings or default font,
             // see https://aka.ms/applicationconfiguration.
             ApplicationConfiguration.Initialize();
-            Application.Run(new Form1());
+            var services = new ServiceCollection();
+            ConfigureServices(services);
+            _serviceProvider = services.BuildServiceProvider();
+            Application.Run(_serviceProvider.GetRequiredService<FormMain>());
+        }
+        private static void ConfigureServices(ServiceCollection services)
+        {
+            services.AddLogging(option =>
+            {
+                option.SetMinimumLevel(LogLevel.Information);
+                option.AddNLog("nlog.config");
+            });
+            services.AddTransient<IComponentStorage, ComponentStorage>();
+            services.AddTransient<IOrderStorage, OrderStorage>();
+            services.AddTransient<IWorkStorage, WorkStorage>();
+            services.AddTransient<IComponentLogic, ComponentLogic>();
+            services.AddTransient<IOrderLogic, OrderLogic>();
+            services.AddTransient<IWorkLogic, WorkLogic>();
+            services.AddTransient<FormMain>();
+            services.AddTransient<FormComponent>();
+            services.AddTransient<FormComponents>();
+            services.AddTransient<FormCreateOrder>();
+            services.AddTransient<FormWork>();
+            services.AddTransient<FormWorkComponent>();
+            services.AddTransient<FormWorks>();
         }
     }
 }

PlumbingRepair/PlumbingRepair/nlog.config

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+	<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        autoReload="true" internalLogLevel="Info">
+
+		<targets>
+			<target xsi:type="File" name="tofile" fileName="${basedir}/carlog-${shortdate}.log" />
+		</targets>
+
+		<rules>
+			<logger name="*" minlevel="Debug" writeTo="tofile" />
+		</rules>
+	</nlog>
+</configuration>

PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogic/ComponentLogic.cs

@@ -0,0 +1,137 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace PlumbingRepairBusinessLogic.BusinessLogic
+{
+    public class ComponentLogic : IComponentLogic
+    {
+        private readonly ILogger _logger;
+
+        private readonly IComponentStorage _componentStorage;
+
+        public ComponentLogic(ILogger<ComponentLogic> logger, IComponentStorage componentStorage)
+        {
+            _logger = logger;
+            _componentStorage = componentStorage;
+        }
+
+        public bool Create(ComponentBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_componentStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(ComponentBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+
+            if (_componentStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public ComponentViewModel? ReadElement(ComponentSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. ComponentName:{ComponentName}.Id:{ Id}", model.ComponentName, model.Id);
+
+            var element = _componentStorage.GetElement(model);
+
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+
+            return element;
+        }
+
+        public List<ComponentViewModel>? ReadList(ComponentSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ComponentName:{ComponentName}.Id:{ Id}", model?.ComponentName, model?.Id);
+
+            var list = model == null ? _componentStorage.GetFullList() : _componentStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+
+            return list;
+        }
+
+        public bool Update(ComponentBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_componentStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        private void CheckModel(ComponentBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                throw new ArgumentNullException("Нет названия компонента", nameof(model.ComponentName));
+            }
+
+            if (model.Cost <= 0)
+            {
+                throw new ArgumentNullException("Цена компонента должна быть больше 0", nameof(model.Cost));
+            }
+
+            _logger.LogInformation("Component. ComponentName:{ComponentName}.Cost:{ Cost}. Id: { Id}", model.ComponentName, model.Cost, model.Id);
+
+            var element = _componentStorage.GetElement(new ComponentSearchModel
+            {
+                ComponentName = model.ComponentName
+            });
+
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Компонент с таким названием уже есть");
+            }
+        }
+    }
+}

PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogic/OrderLogic.cs

@@ -0,0 +1,130 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using PlumbingRepairDataModels.Enums;
+
+namespace PlumbingRepairBusinessLogic.BusinessLogic
+{
+    public class OrderLogic : IOrderLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IOrderStorage _orderStorage;
+
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        {
+            _logger = logger;
+            _orderStorage = orderStorage;
+        }
+
+        public bool CreateOrder(OrderBindingModel model)
+        {
+            CheckModel(model);
+
+            if (model.Status != OrderStatus.Неизвестен)
+            {
+                _logger.LogWarning("Insert operation failed. Order status incorrect.");
+                return false;
+            }
+
+            model.Status = OrderStatus.Принят;
+
+            if (_orderStorage.Insert(model) == null)
+            {
+                model.Status = OrderStatus.Неизвестен;
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool StatusUpdate(OrderBindingModel model, OrderStatus newStatus)
+        {
+            CheckModel(model);
+
+            if (model.Status + 1 != newStatus)
+            {
+                _logger.LogWarning("Status update to " + newStatus.ToString() + " operation failed. Order status incorrect.");
+                return false;
+            }
+
+            model.Status = newStatus;
+
+            if (model.Status == OrderStatus.Выдан)
+                model.DateImplement = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+
+            if (_orderStorage.Update(model) == null)
+            {
+                model.Status--;
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool TakeOrderInWork(OrderBindingModel model)
+        {
+            return StatusUpdate(model, OrderStatus.Выполняется);
+        }
+
+        public bool DeliveryOrder(OrderBindingModel model)
+        {
+            return StatusUpdate(model, OrderStatus.Готов);
+        }
+
+        public bool FinishOrder(OrderBindingModel model)
+        {
+            return StatusUpdate(model, OrderStatus.Выдан);
+        }
+
+        public List<OrderViewModel>? ReadList(OrderSearchModel? model)
+        {
+            _logger.LogInformation("Order. OrderId:{Id}", model?.Id);
+
+            var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        private void CheckModel(OrderBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (model.WorkId < 0)
+            {
+                throw new ArgumentNullException("Некорректный идентификатор изделия", nameof(model.WorkId));
+            }
+
+            if (model.Count <= 0)
+            {
+                throw new ArgumentNullException("Количество изделий в заказе должно быть больше 0", nameof(model.Count));
+            }
+
+            if (model.Sum <= 0)
+            {
+                throw new ArgumentNullException("Сумма заказа должна быть больше 0", nameof(model.Sum));
+            }
+
+            _logger.LogInformation("Order. OrderId:{Id}.Sum:{ Sum}. WorkId: { WorkId}", model.Id, model.Sum, model.WorkId);
+        }
+    }
+}

PlumbingRepair/PlumbingRepairBusinessLogic/BusinessLogic/WorkLogic.cs

@@ -0,0 +1,137 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.BusinessLogicsContracts;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace PlumbingRepairBusinessLogic.BusinessLogic
+{
+    public class WorkLogic : IWorkLogic
+    {
+            private readonly ILogger _logger;
+
+            private readonly IWorkStorage _workStorage;
+
+            public WorkLogic(ILogger<WorkLogic> logger, IWorkStorage workStorage)
+            {
+                _logger = logger;
+                _workStorage = workStorage;
+            }
+
+            public bool Create(WorkBindingModel model)
+            {
+                CheckModel(model);
+
+                if (_workStorage.Insert(model) == null)
+                {
+                    _logger.LogWarning("Insert operation failed");
+                    return false;
+                }
+
+                return true;
+            }
+
+            public bool Delete(WorkBindingModel model)
+            {
+                CheckModel(model, false);
+
+                _logger.LogInformation("Delete. Id:{Id}", model.Id);
+
+                if (_workStorage.Delete(model) == null)
+                {
+                    _logger.LogWarning("Delete operation failed");
+                    return false;
+                }
+
+                return true;
+            }
+
+            public WorkViewModel? ReadElement(WorkSearchModel model)
+            {
+                if (model == null)
+                {
+                    throw new ArgumentNullException(nameof(model));
+                }
+
+                _logger.LogInformation("ReadElement. WorkName:{WorkName}.Id:{ Id}", model.WorkName, model.Id);
+
+                var element = _workStorage.GetElement(model);
+
+                if (element == null)
+                {
+                    _logger.LogWarning("ReadElement element not found");
+                    return null;
+                }
+
+                _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+
+                return element;
+            }
+
+            public List<WorkViewModel>? ReadList(WorkSearchModel? model)
+            {
+                _logger.LogInformation("ReadList. WorkName:{WorkName}.Id:{ Id}", model?.WorkName, model?.Id);
+
+                var list = model == null ? _workStorage.GetFullList() : _workStorage.GetFilteredList(model);
+
+                if (list == null)
+                {
+                    _logger.LogWarning("ReadList return null list");
+                    return null;
+                }
+
+                _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+
+                return list;
+            }
+
+            public bool Update(WorkBindingModel model)
+            {
+                CheckModel(model);
+
+                if (_workStorage.Update(model) == null)
+                {
+                    _logger.LogWarning("Update operation failed");
+                    return false;
+                }
+
+                return true;
+            }
+
+            private void CheckModel(WorkBindingModel model, bool withParams = true)
+            {
+                if (model == null)
+                {
+                    throw new ArgumentNullException(nameof(model));
+                }
+
+                if (!withParams)
+                {
+                    return;
+                }
+
+                if (string.IsNullOrEmpty(model.WorkName))
+                {
+                    throw new ArgumentNullException("Нет названия изделия", nameof(model.WorkName));
+                }
+
+                if (model.Price <= 0)
+                {
+                    throw new ArgumentNullException("Цена изделия должна быть больше 0", nameof(model.Price));
+                }
+
+                _logger.LogInformation("Work. WorkName:{WorkName}.Price:{ Cost}. Id: { Id}", model.WorkName, model.Price, model.Id);
+
+                var element = _workStorage.GetElement(new WorkSearchModel
+                {
+                    WorkName = model.WorkName
+                });
+
+                if (element != null && element.Id != model.Id)
+                {
+                    throw new InvalidOperationException("Изделие с таким названием уже есть");
+                }
+            }
+        }
+}

PlumbingRepair/PlumbingRepairBusinessLogic/PlumbingRepairBusinessLogic.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PlumbingRepairContracts\PlumbingRepairContracts.csproj" />
+  </ItemGroup>
+
+</Project>

PlumbingRepair/PlumbingRepairContracts/BindingModels/ComponentBindingModel.cs

@@ -0,0 +1,11 @@
+using PlumbingRepairDataModels.Models;
+
+namespace PlumbingRepairContracts.BindingModels
+{
+    public class ComponentBindingModel : IComponentModel
+    {
+        public int Id { get; set; }
+        public string ComponentName { get; set; } = string.Empty;
+        public double Cost { get; set; }
+    }
+}

PlumbingRepair/PlumbingRepairContracts/BindingModels/OrderBindingModel.cs

@@ -0,0 +1,17 @@
+using PlumbingRepairDataModels.Enums;
+using PlumbingRepairDataModels.Models;
+
+namespace PlumbingRepairContracts.BindingModels
+{
+    public class OrderBindingModel : IOrderModel
+    {
+        public int Id { get; set; }
+        public int WorkId { get; set; }
+        public int Count { get; set; }
+        public double Sum { get; set; }
+        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+        public DateTime DateCreate { get; set; } = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+        public DateTime? DateImplement { get; set; }
+        public string WorkName { get; set; } = string.Empty;
+    }
+}

PlumbingRepair/PlumbingRepairContracts/BindingModels/WorkBindingModel.cs

@@ -0,0 +1,12 @@
+using PlumbingRepairDataModels.Models;
+
+namespace PlumbingRepairContracts.BindingModels
+{
+    public class WorkBindingModel : IWorkModel
+    {
+        public int Id { get; set; }
+        public string WorkName { get; set; } = string.Empty;
+        public double Price { get; set; }
+        public Dictionary<int, (IComponentModel, int)> WorkComponents { get; set; } = new();
+    }
+}

PlumbingRepair/PlumbingRepairContracts/BusinessLogicsContracts/IComponentLogic.cs

@@ -0,0 +1,15 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+
+namespace PlumbingRepairContracts.BusinessLogicsContracts
+{
+    public interface IComponentLogic
+    {
+        List<ComponentViewModel>? ReadList(ComponentSearchModel? model);
+        ComponentViewModel? ReadElement(ComponentSearchModel model);
+        bool Create(ComponentBindingModel model);
+        bool Update(ComponentBindingModel model);
+        bool Delete(ComponentBindingModel model);
+    }
+}

PlumbingRepair/PlumbingRepairContracts/BusinessLogicsContracts/IOrderLogic.cs

@@ -0,0 +1,15 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+
+namespace PlumbingRepairContracts.BusinessLogicsContracts
+{
+    public interface IOrderLogic
+    {
+        List<OrderViewModel>? ReadList(OrderSearchModel? model);
+        bool CreateOrder(OrderBindingModel model);
+        bool TakeOrderInWork(OrderBindingModel model);
+        bool FinishOrder(OrderBindingModel model);
+        bool DeliveryOrder(OrderBindingModel model);
+    }
+}

PlumbingRepair/PlumbingRepairContracts/BusinessLogicsContracts/IWorkLogic.cs

@@ -0,0 +1,15 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+
+namespace PlumbingRepairContracts.BusinessLogicsContracts
+{
+    public interface IWorkLogic
+    {
+        List<WorkViewModel>? ReadList(WorkSearchModel? model);
+        WorkViewModel? ReadElement(WorkSearchModel model);
+        bool Create(WorkBindingModel model);
+        bool Update(WorkBindingModel model);
+        bool Delete(WorkBindingModel model);
+    }
+}

PlumbingRepair/PlumbingRepairContracts/PlumbingRepairContracts.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PlumbingRepairDataModels\PlumbingRepairDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

PlumbingRepair/PlumbingRepairContracts/SearchModels/ComponentSearchModel.cs

@@ -0,0 +1,8 @@
+namespace PlumbingRepairContracts.SearchModels
+{
+    public class ComponentSearchModel
+    {
+        public int? Id { get; set; }
+        public string? ComponentName { get; set; }
+    }
+}

PlumbingRepair/PlumbingRepairContracts/SearchModels/OrderSearchModel.cs

@@ -0,0 +1,7 @@
+namespace PlumbingRepairContracts.SearchModels
+{
+    public class OrderSearchModel
+    {
+        public int? Id { get; set; }
+    }
+}

PlumbingRepair/PlumbingRepairContracts/SearchModels/WorkSearchModel.cs

@@ -0,0 +1,8 @@
+namespace PlumbingRepairContracts.SearchModels
+{
+    public class WorkSearchModel
+    {
+        public int? Id { get; set; }
+        public string? WorkName { get; set; }
+    }
+}

PlumbingRepair/PlumbingRepairContracts/StoragesContracts/IComponentStorage.cs

@@ -0,0 +1,16 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+
+namespace PlumbingRepairContracts.StoragesContracts
+{
+    public interface IComponentStorage
+    {
+        List<ComponentViewModel> GetFullList();
+        List<ComponentViewModel> GetFilteredList(ComponentSearchModel model);
+        ComponentViewModel? GetElement(ComponentSearchModel model);
+        ComponentViewModel? Insert(ComponentBindingModel model);
+        ComponentViewModel? Update(ComponentBindingModel model);
+        ComponentViewModel? Delete(ComponentBindingModel model);
+    }
+}

PlumbingRepair/PlumbingRepairContracts/StoragesContracts/IOrderStorage.cs

@@ -0,0 +1,16 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+
+namespace PlumbingRepairContracts.StoragesContracts
+{
+    public interface IOrderStorage
+    {
+        List<OrderViewModel> GetFullList();
+        List<OrderViewModel> GetFilteredList(OrderSearchModel model);
+        OrderViewModel? GetElement(OrderSearchModel model);
+        OrderViewModel? Insert(OrderBindingModel model);
+        OrderViewModel? Update(OrderBindingModel model);
+        OrderViewModel? Delete(OrderBindingModel model);
+    }
+}

PlumbingRepair/PlumbingRepairContracts/StoragesContracts/IWorkStorage.cs

@@ -0,0 +1,16 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+
+namespace PlumbingRepairContracts.StoragesContracts
+{
+    public interface IWorkStorage
+    {
+        List<WorkViewModel> GetFullList();
+        List<WorkViewModel> GetFilteredList(WorkSearchModel model);
+        WorkViewModel? GetElement(WorkSearchModel model);
+        WorkViewModel? Insert(WorkBindingModel model);
+        WorkViewModel? Update(WorkBindingModel model);
+        WorkViewModel? Delete(WorkBindingModel model);
+    }
+}

PlumbingRepair/PlumbingRepairContracts/ViewModels/ComponentViewModel.cs

@@ -0,0 +1,14 @@
+using PlumbingRepairDataModels.Models;
+using System.ComponentModel;
+
+namespace PlumbingRepairContracts.ViewModels
+{
+    public class ComponentViewModel : IComponentModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название компонента")]
+        public string ComponentName { get; set; } = string.Empty;
+        [DisplayName("Цена")]
+        public double Cost { get; set; }
+    }
+}

PlumbingRepair/PlumbingRepairContracts/ViewModels/OrderViewModel.cs

@@ -0,0 +1,25 @@
+using PlumbingRepairDataModels.Enums;
+using PlumbingRepairDataModels.Models;
+using System.ComponentModel;
+
+namespace PlumbingRepairContracts.ViewModels
+{
+    public class OrderViewModel : IOrderModel
+    {
+        [DisplayName("Номер")]
+        public int Id { get; set; }
+        public int WorkId { get; set; }
+        [DisplayName("Название изделия")]
+        public string WorkName { get; set; } = string.Empty;
+        [DisplayName("Количество")]
+        public int Count { get; set; }
+        [DisplayName("Сумма")]
+        public double Sum { get; set; }
+        [DisplayName("Статус")]
+        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+        [DisplayName("Дата создания")]
+        public DateTime DateCreate { get; set; } = DateTime.Now;
+        [DisplayName("Дата выполнения")]
+        public DateTime? DateImplement { get; set; }
+    }
+}

PlumbingRepair/PlumbingRepairContracts/ViewModels/WorkViewModel.cs

@@ -0,0 +1,15 @@
+using PlumbingRepairDataModels.Models;
+using System.ComponentModel;
+
+namespace PlumbingRepairContracts.ViewModels
+{
+    public class WorkViewModel : IWorkModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название изделия")]
+        public string WorkName { get; set; } = string.Empty;
+        [DisplayName("Цена")]
+        public double Price { get; set; }
+        public Dictionary<int, (IComponentModel, int)> WorkComponents { get; set; } = new();
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,92 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDatabaseImplement.Models;
+
+namespace PlumbingRepairDatabaseImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Components.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Components.Where(x => x.ComponentName.Contains(model.ComponentName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Components.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+
+            if (newComponent == null)
+            {
+                return null;
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            var component = context.Components.FirstOrDefault(x => x.Id == model.Id);
+
+            if (component == null)
+            {
+                return null;
+            }
+
+            component.Update(model);
+            context.SaveChanges();
+
+            return component.GetViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,93 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDatabaseImplement.Models;
+
+namespace PlumbingRepairDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Orders.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            context.SaveChanges();
+
+            return order.GetViewModel;
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Implements/WorkStorage.cs

@@ -0,0 +1,120 @@
+using Microsoft.EntityFrameworkCore;
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDatabaseImplement.Models;
+
+namespace PlumbingRepairDatabaseImplement.Implements
+{
+    public class WorkStorage : IWorkStorage
+    {
+        public List<WorkViewModel> GetFullList()
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Works
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public List<WorkViewModel> GetFilteredList(WorkSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkName))
+            {
+                return new();
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Works
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .Where(x => x.WorkName.Contains(model.WorkName))
+                .ToList()
+                .Select(x => x.GetViewModel)
+                .ToList();
+        }
+
+        public WorkViewModel? GetElement(WorkSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            using var context = new PlumbingRepairDataBase();
+
+            return context.Works
+                .Include(x => x.Components)
+                .ThenInclude(x => x.Component)
+                .FirstOrDefault(x => (!string.IsNullOrEmpty(model.WorkName) && x.WorkName == model.WorkName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public WorkViewModel? Insert(WorkBindingModel model)
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            var newWork = Work.Create(context, model);
+
+            if (newWork == null)
+            {
+                return null;
+            }
+
+            context.Works.Add(newWork);
+            context.SaveChanges();
+
+            return newWork.GetViewModel;
+        }
+
+        public WorkViewModel? Update(WorkBindingModel model)
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            using var transaction = context.Database.BeginTransaction();
+
+            try
+            {
+                var package = context.Works.FirstOrDefault(rec => rec.Id == model.Id);
+
+                if (package == null)
+                {
+                    return null;
+                }
+
+                package.Update(model);
+                context.SaveChanges();
+                package.UpdateComponents(context, model);
+                transaction.Commit();
+
+                return package.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+
+                throw;
+            }
+        }
+
+        public WorkViewModel? Delete(WorkBindingModel model)
+        {
+            using var context = new PlumbingRepairDataBase();
+
+            var element = context.Works.Include(x => x.Components).FirstOrDefault(rec => rec.Id == model.Id);
+
+            if (element != null)
+            {
+                context.Works.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Migrations/20230304141419_InitMigration.Designer.cs

@@ -0,0 +1,175 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using PlumbingRepairDatabaseImplement;
+
+#nullable disable
+
+namespace PlumbingRepairDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PlumbingRepairDataBase))]
+    [Migration("20230304141419_InitMigration")]
+    partial class InitMigration
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("WorkId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("WorkName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Work", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("WorkName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Works");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.WorkComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("WorkId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("WorkId");
+
+                    b.ToTable("WorkComponents");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("PlumbingRepairDatabaseImplement.Models.Work", "Work")
+                        .WithMany("Orders")
+                        .HasForeignKey("WorkId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Work");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.WorkComponent", b =>
+                {
+                    b.HasOne("PlumbingRepairDatabaseImplement.Models.Component", "Component")
+                        .WithMany("WorkComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PlumbingRepairDatabaseImplement.Models.Work", "Work")
+                        .WithMany("Components")
+                        .HasForeignKey("WorkId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Work");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("WorkComponents");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Work", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Migrations/20230304141419_InitMigration.cs

@@ -0,0 +1,127 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace PlumbingRepairDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Components",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    ComponentName = table.Column<string>(type: "text", nullable: false),
+                    Cost = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Components", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Works",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    WorkName = table.Column<string>(type: "text", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Works", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    WorkId = table.Column<int>(type: "integer", nullable: false),
+                    WorkName = table.Column<string>(type: "text", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    Status = table.Column<int>(type: "integer", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "timestamp with time zone", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Works_WorkId",
+                        column: x => x.WorkId,
+                        principalTable: "Works",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "WorkComponents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    WorkId = table.Column<int>(type: "integer", nullable: false),
+                    ComponentId = table.Column<int>(type: "integer", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_WorkComponents", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_WorkComponents_Components_ComponentId",
+                        column: x => x.ComponentId,
+                        principalTable: "Components",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_WorkComponents_Works_WorkId",
+                        column: x => x.WorkId,
+                        principalTable: "Works",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_WorkId",
+                table: "Orders",
+                column: "WorkId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_WorkComponents_ComponentId",
+                table: "WorkComponents",
+                column: "ComponentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_WorkComponents_WorkId",
+                table: "WorkComponents",
+                column: "WorkId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "WorkComponents");
+
+            migrationBuilder.DropTable(
+                name: "Components");
+
+            migrationBuilder.DropTable(
+                name: "Works");
+        }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Migrations/PlumbingRepairDataBaseModelSnapshot.cs

@@ -0,0 +1,172 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using PlumbingRepairDatabaseImplement;
+
+#nullable disable
+
+namespace PlumbingRepairDatabaseImplement.Migrations
+{
+    [DbContext(typeof(PlumbingRepairDataBase))]
+    partial class PlumbingRepairDataBaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Component", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("ComponentName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("Cost")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Components");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<int>("WorkId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("WorkName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Work", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("WorkName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Works");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.WorkComponent", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ComponentId")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("WorkId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ComponentId");
+
+                    b.HasIndex("WorkId");
+
+                    b.ToTable("WorkComponents");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("PlumbingRepairDatabaseImplement.Models.Work", "Work")
+                        .WithMany("Orders")
+                        .HasForeignKey("WorkId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Work");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.WorkComponent", b =>
+                {
+                    b.HasOne("PlumbingRepairDatabaseImplement.Models.Component", "Component")
+                        .WithMany("WorkComponents")
+                        .HasForeignKey("ComponentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("PlumbingRepairDatabaseImplement.Models.Work", "Work")
+                        .WithMany("Components")
+                        .HasForeignKey("WorkId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Component");
+
+                    b.Navigation("Work");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Component", b =>
+                {
+                    b.Navigation("WorkComponents");
+                });
+
+            modelBuilder.Entity("PlumbingRepairDatabaseImplement.Models.Work", b =>
+                {
+                    b.Navigation("Components");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Models/Component.cs

@@ -0,0 +1,60 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace PlumbingRepairDatabaseImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+
+        [Required]
+        public double Cost { get; set; }
+
+        [ForeignKey("ComponentId")]
+        public virtual List<WorkComponent> WorkComponents { get; set; } = new();
+
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public static Component Create(ComponentViewModel model)
+        {
+            return new Component
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Models/Order.cs

@@ -0,0 +1,76 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Enums;
+using PlumbingRepairDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+
+namespace PlumbingRepairDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+
+        public int WorkId { get; private set; }
+
+        public string WorkName { get; private set; } = string.Empty;
+
+        [Required]
+        public int Count { get; private set; }
+
+        [Required]
+        public double Sum { get; private set; }
+
+        [Required]
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+
+        public virtual Work Work { get; set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            return new Order()
+            {
+                Id = model.Id,
+                WorkId = model.WorkId,
+                WorkName = model.WorkName,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkId = WorkId,
+            WorkName = WorkName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Models/Work.cs

@@ -0,0 +1,101 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace PlumbingRepairDatabaseImplement.Models
+{
+    public class Work : IWorkModel
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public string WorkName { get; set; } = string.Empty;
+
+        [Required]
+        public double Price { get; set; }
+
+        private Dictionary<int, (IComponentModel, int)>? _workComponents = null;
+
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> WorkComponents
+        {
+            get
+            {
+                if (_workComponents == null)
+                {
+                    _workComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _workComponents;
+            }
+        }
+
+        [ForeignKey("WorkId")]
+        public virtual List<WorkComponent> Components { get; set; } = new();
+
+        [ForeignKey("WorkId")]
+        public virtual List<Order> Orders { get; set; } = new();
+
+        public static Work Create(PlumbingRepairDataBase context, WorkBindingModel model)
+        {
+            return new Work()
+            {
+                Id = model.Id,
+                WorkName = model.WorkName,
+                Price = model.Price,
+                Components = model.WorkComponents.Select(x => new WorkComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+
+        public void Update(WorkBindingModel model)
+        {
+            WorkName = model.WorkName;
+            Price = model.Price;
+        }
+
+        public WorkViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkName = WorkName,
+            Price = Price,
+            WorkComponents = WorkComponents
+        };
+
+        public void UpdateComponents(PlumbingRepairDataBase context, WorkBindingModel model)
+        {
+            var workComponents = context.WorkComponents.Where(rec => rec.WorkId == model.Id).ToList();
+
+            if (workComponents != null && workComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.WorkComponents.RemoveRange(workComponents.Where(rec => !model.WorkComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in workComponents)
+                {
+                    updateComponent.Count = model.WorkComponents[updateComponent.ComponentId].Item2;
+                    model.WorkComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+
+            var work = context.Works.First(x => x.Id == Id);
+
+            foreach (var pc in model.WorkComponents)
+            {
+                context.WorkComponents.Add(new WorkComponent
+                {
+                    Work = work,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _workComponents = null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/Models/WorkComponent.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace PlumbingRepairDatabaseImplement.Models
+{
+    public class WorkComponent
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int WorkId { get; set; }
+
+        [Required]
+        public int ComponentId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Component Component { get; set; } = new();
+        public virtual Work Work { get; set; } = new();
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/PlumbingRepairDataBase.cs

@@ -0,0 +1,21 @@
+using Microsoft.EntityFrameworkCore;
+using PlumbingRepairDatabaseImplement.Models;
+
+namespace PlumbingRepairDatabaseImplement
+{
+    public class PlumbingRepairDataBase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseNpgsql(@"Host=localhost;Port=5432;Database=PlumbingRepairDatabaseFull;Username=postgres;Password=186qazwsx");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Work> Works { set; get; }
+        public virtual DbSet<WorkComponent> WorkComponents { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

PlumbingRepair/PlumbingRepairDatabaseImplement/PlumbingRepairDatabaseImplement.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.3" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.3">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PlumbingRepairContracts\PlumbingRepairContracts.csproj" />
+    <ProjectReference Include="..\PlumbingRepairDataModels\PlumbingRepairDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

PlumbingRepair/PlumbingRepairListImplement/DataListSingleton.cs

@@ -0,0 +1,28 @@
+using PlumbingRepairListImplement.Models;
+
+namespace PlumbingRepairListImplement
+{
+    public class DataListSingleton
+    {
+        private static DataListSingleton? _instance;
+        public List<Component> Components { get; set; }
+        public List<Order> Orders { get; set; }
+        public List<Work> Works { get; set; }
+
+        private DataListSingleton()
+        {
+            Components = new List<Component>();
+            Orders = new List<Order>();
+            Works = new List<Work>();
+        }
+
+        public static DataListSingleton GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new DataListSingleton();
+            }
+            return _instance;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairListImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,118 @@
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairListImplement.Models;
+
+namespace PlumbingRepairListImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataListSingleton _source;
+        public ComponentStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+        public List<ComponentViewModel> GetFullList()
+        {
+            var result = new List<ComponentViewModel>();
+
+            foreach (var component in _source.Components)
+            {
+                result.Add(component.GetViewModel);
+            }
+
+            return result;
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            var result = new List<ComponentViewModel>();
+
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return result;
+            }
+
+            foreach (var component in _source.Components)
+            {
+                if (component.ComponentName.Contains(model.ComponentName))
+                {
+                    result.Add(component.GetViewModel);
+                }
+            }
+
+            return result;
+        }
+
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            foreach (var component in _source.Components)
+            {
+                if ((!string.IsNullOrEmpty(model.ComponentName) && component.ComponentName == model.ComponentName) || (model.Id.HasValue && component.Id == model.Id))
+                {
+                    return component.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            model.Id = 1;
+
+            foreach (var component in _source.Components)
+            {
+                if (model.Id <= component.Id)
+                {
+                    model.Id = component.Id + 1;
+                }
+            }
+
+            var newComponent = Component.Create(model);
+
+            if (newComponent == null)
+            {
+                return null;
+            }
+
+            _source.Components.Add(newComponent);
+
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            foreach (var component in _source.Components)
+            {
+                if (component.Id == model.Id)
+                {
+                    component.Update(model);
+                    return component.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            for (int i = 0; i < _source.Components.Count; ++i)
+            {
+                if (_source.Components[i].Id == model.Id)
+                {
+                    var element = _source.Components[i];
+                    _source.Components.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairListImplement/Implements/OrderStorage.cs

@@ -0,0 +1,119 @@
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairListImplement.Models;
+
+namespace PlumbingRepairListImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataListSingleton _source;
+        public OrderStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            var result = new List<OrderViewModel>();
+
+            foreach (var order in _source.Orders)
+            {
+                result.Add(order.GetViewModel);
+            }
+
+            return result;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            var result = new List<OrderViewModel>();
+
+            if (!model.Id.HasValue)
+            {
+                return result;
+            }
+
+            foreach (var order in _source.Orders)
+            {
+                if (model.Id.HasValue && order.Id == model.Id)
+                {
+                    result.Add(order.GetViewModel);
+                }
+            }
+
+            return result;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            foreach (var order in _source.Orders)
+            {
+                if (model.Id.HasValue && order.Id == model.Id)
+                {
+                    return order.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = 1;
+
+            foreach (var order in _source.Orders)
+            {
+                if (model.Id <= order.Id)
+                {
+                    model.Id = order.Id + 1;
+                }
+            }
+
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            _source.Orders.Add(newOrder);
+
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            foreach (var order in _source.Orders)
+            {
+                if (order.Id == model.Id)
+                {
+                    order.Update(model);
+                    return order.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            for (int i = 0; i < _source.Orders.Count; ++i)
+            {
+                if (_source.Orders[i].Id == model.Id)
+                {
+                    var element = _source.Orders[i];
+                    _source.Orders.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairListImplement/Implements/WorkStorage.cs

@@ -0,0 +1,121 @@
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairListImplement.Models;
+
+namespace PlumbingRepairListImplement.Implements
+{
+    public class WorkStorage : IWorkStorage
+    {
+        private readonly DataListSingleton _source;
+
+        public WorkStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public List<WorkViewModel> GetFullList()
+        {
+            var result = new List<WorkViewModel>();
+
+            foreach (var work in _source.Works)
+            {
+                result.Add(work.GetViewModel);
+            }
+
+            return result;
+        }
+
+        public List<WorkViewModel> GetFilteredList(WorkSearchModel model)
+        {
+            var result = new List<WorkViewModel>();
+
+            if (string.IsNullOrEmpty(model.WorkName))
+            {
+                return result;
+            }
+
+            foreach (var work in _source.Works)
+            {
+                if (work.WorkName.Contains(model.WorkName))
+                {
+                    result.Add(work.GetViewModel);
+                }
+            }
+
+            return result;
+        }
+
+        public WorkViewModel? GetElement(WorkSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            foreach (var work in _source.Works)
+            {
+                if ((!string.IsNullOrEmpty(model.WorkName) && work.WorkName == model.WorkName) || (model.Id.HasValue && work.Id == model.Id))
+                {
+                    return work.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public WorkViewModel? Insert(WorkBindingModel model)
+        {
+            model.Id = 1;
+
+            foreach (var work in _source.Works)
+            {
+                if (model.Id <= work.Id)
+                {
+                    model.Id = work.Id + 1;
+                }
+            }
+
+            var newWork = Work.Create(model);
+
+            if (newWork == null)
+            {
+                return null;
+            }
+
+            _source.Works.Add(newWork);
+
+            return newWork.GetViewModel;
+        }
+
+        public WorkViewModel? Update(WorkBindingModel model)
+        {
+            foreach (var work in _source.Works)
+            {
+                if (work.Id == model.Id)
+                {
+                    work.Update(model);
+                    return work.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public WorkViewModel? Delete(WorkBindingModel model)
+        {
+            for (int i = 0; i < _source.Works.Count; ++i)
+            {
+                if (_source.Works[i].Id == model.Id)
+                {
+                    var element = _source.Works[i];
+                    _source.Works.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumbingRepairListImplement/Models/Component.cs

@@ -0,0 +1,44 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+
+namespace PlumbingRepairListImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        public string ComponentName { get; private set; } = string.Empty;
+        public double Cost { get; set; }
+
+        public static Component? Create(ComponentBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public void Update(ComponentBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

PlumbingRepair/PlumbingRepairListImplement/Models/Order.cs

@@ -0,0 +1,65 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Enums;
+using PlumbingRepairDataModels.Models;
+
+namespace PlumbingRepairListImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int WorkId { get; private set; }
+        public string WorkName { get; private set; }
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                WorkId = model.WorkId,
+                WorkName = model.WorkName,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            WorkId = model.WorkId;
+            WorkName = model.WorkName;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkId = WorkId,
+            WorkName = WorkName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+    }
+}

PlumbingRepair/PlumbingRepairListImplement/Models/Work.cs

@@ -0,0 +1,48 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+
+namespace PlumbingRepairListImplement.Models
+{
+    public class Work : IWorkModel
+    {
+        public int Id { get; private set; }
+        public string WorkName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, (IComponentModel, int)> WorkComponents { get; private set; } = new Dictionary<int, (IComponentModel, int)>();
+
+        public static Work? Create(WorkBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Work()
+            {
+                Id = model.Id,
+                WorkName = model.WorkName,
+                Price = model.Price,
+                WorkComponents = model.WorkComponents
+            };
+        }
+
+        public void Update(WorkBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            WorkName = model.WorkName;
+            Price = model.Price;
+            WorkComponents = model.WorkComponents;
+        }
+
+        public WorkViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkName = WorkName,
+            Price = Price,
+            WorkComponents = WorkComponents
+        };
+    }
+}

PlumbingRepair/PlumbingRepairListImplement/PlumbingRepairListImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PlumbingRepairContracts\PlumbingRepairContracts.csproj" />
+    <ProjectReference Include="..\PlumbingRepairDataModels\PlumbingRepairDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

PlumbingRepair/PlumpingRepairFileImplement/DataFileSingleton.cs

@@ -0,0 +1,56 @@
+using PlumbingRepairFileImplement.Models;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+
+        private readonly string ComponentFileName = "Component.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string WorkFileName = "Work.xml";
+
+        public List<Component> Components { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Work> Works { get; private set; }
+
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+
+        public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
+        public void SaveWorks() => SaveData(Works, WorkFileName, "Works", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+
+        private DataFileSingleton()
+        {
+            Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
+            Works = LoadData(WorkFileName, "Work", x => Work.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+        }
+
+        private static List<T>? LoadData<T>(string filename, string xmlNodeName, Func<XElement, T> selectFunction)
+        {
+            if (File.Exists(filename))
+            {
+                return XDocument.Load(filename)?.Root?.Elements(xmlNodeName)?.Select(selectFunction)?.ToList();
+            }
+
+            return new List<T>();
+        }
+
+        private static void SaveData<T>(List<T> data, string filename, string xmlNodeName, Func<T, XElement> selectFunction)
+        {
+            if (data != null)
+            {
+                new XDocument(new XElement(xmlNodeName, data.Select(selectFunction).ToArray())).Save(filename);
+            }
+        }
+    }
+}

PlumbingRepair/PlumpingRepairFileImplement/Implements/ComponentStorage.cs

@@ -0,0 +1,89 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairFileImplement.Models;
+
+namespace PlumbingRepairFileImplement.Implements
+{
+    public class ComponentStorage : IComponentStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public ComponentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<ComponentViewModel> GetFullList()
+        {
+            return source.Components.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+
+            return source.Components.Where(x => x.ComponentName.Contains(model.ComponentName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Components.FirstOrDefault(x => (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName == model.ComponentName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            model.Id = source.Components.Count > 0 ? source.Components.Max(x => x.Id) + 1 : 1;
+            var newComponent = Component.Create(model);
+
+            if (newComponent == null)
+            {
+                return null;
+            }
+
+            source.Components.Add(newComponent);
+            source.SaveComponents();
+
+            return newComponent.GetViewModel;
+        }
+
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            var component = source.Components.FirstOrDefault(x => x.Id == model.Id);
+
+            if (component == null)
+            {
+                return null;
+            }
+
+            component.Update(model);
+            source.SaveComponents();
+
+            return component.GetViewModel;
+        }
+
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            var element = source.Components.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Components.Remove(element);
+                source.SaveComponents();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumpingRepairFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,89 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairFileImplement.Models;
+
+namespace PlumbingRepairFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+
+            return source.Orders.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Orders.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = source.Orders.Count > 0 ? source.Orders.Max(x => x.Id) + 1 : 1;
+            var newOrder = Order.Create(model);
+
+            if (newOrder == null)
+            {
+                return null;
+            }
+
+            source.Orders.Add(newOrder);
+            source.SaveOrders();
+
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var order = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (order == null)
+            {
+                return null;
+            }
+
+            order.Update(model);
+            source.SaveOrders();
+
+            return order.GetViewModel;
+        }
+
+                public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var element = source.Orders.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Orders.Remove(element);
+                source.SaveOrders();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumpingRepairFileImplement/Implements/WorkStorage.cs

@@ -0,0 +1,89 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.SearchModels;
+using PlumbingRepairContracts.StoragesContracts;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairFileImplement.Models;
+
+namespace PlumbingRepairFileImplement.Implements
+{
+    public class WorkStorage : IWorkStorage
+    {
+        private readonly DataFileSingleton source;
+
+        public WorkStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+
+        public List<WorkViewModel> GetFullList()
+        {
+            return source.Works.Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<WorkViewModel> GetFilteredList(WorkSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkName))
+            {
+                return new();
+            }
+
+            return source.Works.Where(x => x.WorkName.Contains(model.WorkName)).Select(x => x.GetViewModel).ToList();
+        }
+
+        public WorkViewModel? GetElement(WorkSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.WorkName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            return source.Works.FirstOrDefault(x => (!string.IsNullOrEmpty(model.WorkName) && x.WorkName == model.WorkName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public WorkViewModel? Insert(WorkBindingModel model)
+        {
+            model.Id = source.Works.Count > 0 ? source.Works.Max(x => x.Id) + 1 : 1;
+            var newWork = Work.Create(model);
+
+            if (newWork == null)
+            {
+                return null;
+            }
+
+            source.Works.Add(newWork);
+            source.SaveWorks();
+
+            return newWork.GetViewModel;
+        }
+
+        public WorkViewModel? Update(WorkBindingModel model)
+        {
+            var work = source.Works.FirstOrDefault(x => x.Id == model.Id);
+
+            if (work == null)
+            {
+                return null;
+            }
+
+            work.Update(model);
+            source.SaveWorks();
+
+            return work.GetViewModel;
+        }
+
+        public WorkViewModel? Delete(WorkBindingModel model)
+        {
+            var element = source.Works.FirstOrDefault(x => x.Id == model.Id);
+
+            if (element != null)
+            {
+                source.Works.Remove(element);
+                source.SaveWorks();
+
+                return element.GetViewModel;
+            }
+
+            return null;
+        }
+    }
+}

PlumbingRepair/PlumpingRepairFileImplement/Models/Component.cs

@@ -0,0 +1,64 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        public string ComponentName { get; private set; } = string.Empty;
+        public double Cost { get; set; }
+
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+
+        public static Component? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ComponentName = element.Element("ComponentName")!.Value,
+                Cost = Convert.ToDouble(element.Element("Cost")!.Value)
+            };
+        }
+
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+
+        public XElement GetXElement => new("Component",
+            new XAttribute("Id", Id),
+            new XElement("ComponentName", ComponentName),
+            new XElement("Cost", Cost.ToString()));
+    }
+}

PlumbingRepair/PlumpingRepairFileImplement/Models/Order.cs

@@ -0,0 +1,100 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Enums;
+using PlumbingRepairDataModels.Models;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int WorkId { get; private set; }
+        public string WorkName { get; private set; } = string.Empty;
+        public int Count { get; private set; }
+        public double Sum { get; private set; }
+        public OrderStatus Status { get; private set; } = OrderStatus.Неизвестен;
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+        public DateTime? DateImplement { get; private set; }
+
+        public static Order? Create(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                WorkId = model.WorkId,
+                WorkName = model.WorkName,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement
+            };
+        }
+
+        public static Order? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+
+            var order = new Order()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                WorkId = Convert.ToInt32(element.Element("WorkId")!.Value),
+                WorkName = element.Element("WorkName")!.Value,
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                Status = (OrderStatus)Enum.Parse(typeof(OrderStatus), element.Element("Status")!.Value),
+                DateCreate = DateTime.ParseExact(element.Element("DateCreate")!.Value, "G", null)
+            };
+
+            DateTime.TryParse(element.Element("DateImplement")!.Value, out DateTime dateImpl);
+            order.DateImplement = dateImpl;
+
+            return order;
+        }
+
+        public void Update(OrderBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            WorkId = model.WorkId;
+            WorkName = model.WorkName;
+            Count = model.Count;
+            Sum = model.Sum;
+            Status = model.Status;
+            DateCreate = model.DateCreate;
+            DateImplement = model.DateImplement;
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkId = WorkId,
+            WorkName = WorkName,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+
+        public XElement GetXElement => new("Order",
+            new XAttribute("Id", Id),
+            new XElement("WorkName", WorkName),
+            new XElement("WorkId", WorkId.ToString()),
+            new XElement("Count", Count.ToString()),
+            new XElement("Sum", Sum.ToString()),
+            new XElement("Status", Status.ToString()),
+            new XElement("DateCreate", DateCreate.ToString()),
+            new XElement("DateImplement", DateImplement.ToString()));
+    }
+}

PlumbingRepair/PlumpingRepairFileImplement/Models/Work.cs

@@ -0,0 +1,91 @@
+using PlumbingRepairContracts.BindingModels;
+using PlumbingRepairContracts.ViewModels;
+using PlumbingRepairDataModels.Models;
+using System.Xml.Linq;
+
+namespace PlumbingRepairFileImplement.Models
+{
+    public class Work : IWorkModel
+    {
+        public int Id { get; private set; }
+        public string WorkName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+
+        public Dictionary<int, int> Components { get; private set; } = new();
+
+        public Dictionary<int, (IComponentModel, int)> _workComponents = null;
+
+        public Dictionary<int, (IComponentModel, int)> WorkComponents
+        {
+            get
+            {
+                if (_workComponents == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _workComponents = Components.ToDictionary(x => x.Key, y => ((source.Components.FirstOrDefault(z => z.Id == y.Key) as IComponentModel)!, y.Value));
+                }
+                return _workComponents;
+            }
+        }
+
+        public static Work? Create(WorkBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Work()
+            {
+                Id = model.Id,
+                WorkName = model.WorkName,
+                Price = model.Price,
+                Components = model.WorkComponents.ToDictionary(x => x.Key, x => x.Value.Item2)
+
+            };
+        }
+
+        public static Work? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Work()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                WorkName = element.Element("WorkName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Components = element.Element("WorkComponents")!.Elements("WorkComponent").ToDictionary(x => Convert.ToInt32(x.Element("Key")?.Value), x => Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+
+        public void Update(WorkBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            WorkName = model.WorkName;
+            Price = model.Price;
+            Components = model.WorkComponents.ToDictionary(x => x.Key, x => x.Value.Item2);
+            _workComponents = null;
+        }
+
+        public WorkViewModel GetViewModel => new()
+        {
+            Id = Id,
+            WorkName = WorkName,
+            Price = Price,
+            WorkComponents = WorkComponents
+        };
+
+        public XElement GetXElement => new("Work",
+            new XAttribute("Id", Id),
+            new XElement("WorkName", WorkName),
+            new XElement("Price", Price.ToString()),
+            new XElement("WorkComponents", Components.Select(x =>
+                new XElement("WorkComponent",
+                new XElement("Key", x.Key),
+                new XElement("Value", x.Value))).ToArray()));
+    }
+}

PlumbingRepair/PlumpingRepairFileImplement/PlumbingRepairFileImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PlumbingRepairContracts\PlumbingRepairContracts.csproj" />
+    <ProjectReference Include="..\PlumbingRepairDataModels\PlumbingRepairDataModels.csproj" />
+  </ItemGroup>
+
+</Project>