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LawFirm/LawFirm.sln

@@ -3,7 +3,19 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.7.34221.43
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LawFirm", "LawFirm\LawFirm.csproj", "{003F906D-2F68-43B6-9668-BF3CE918739B}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LawFirmView", "LawFirm\LawFirmView.csproj", "{003F906D-2F68-43B6-9668-BF3CE918739B}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LawFirmDataModels", "LawFirmDataModels\LawFirmDataModels.csproj", "{89AE92AD-3D6A-4C2F-AA8A-E36D895A55C8}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LawFirmContracts", "LawFirmContracts\LawFirmContracts.csproj", "{6EB55DC4-8665-49CB-A0E6-DAF6E3CE58D3}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LawFirmListImplement", "LawFirmListImplement\LawFirmListImplement.csproj", "{8B5C5B0D-7F02-4178-A047-13FE2D659A8A}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LawFirmBusinessLogic", "LawFirmBusinessLogic\LawFirmBusinessLogic.csproj", "{0EB8CCEC-83C2-4425-A963-7979DB147D82}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LawFirmFileImplement", "LawFirmFileImplement\LawFirmFileImplement.csproj", "{5CAEEF2D-864E-4EA6-9051-AD57284623E1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LawFirmDatabaseImplement", "LawFirmDatabaseImplement\LawFirmDatabaseImplement.csproj", "{7015B886-71AF-4B4F-A398-9F968CFA8F39}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +27,30 @@ Global
 		{003F906D-2F68-43B6-9668-BF3CE918739B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{003F906D-2F68-43B6-9668-BF3CE918739B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{003F906D-2F68-43B6-9668-BF3CE918739B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{89AE92AD-3D6A-4C2F-AA8A-E36D895A55C8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{89AE92AD-3D6A-4C2F-AA8A-E36D895A55C8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{89AE92AD-3D6A-4C2F-AA8A-E36D895A55C8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{89AE92AD-3D6A-4C2F-AA8A-E36D895A55C8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6EB55DC4-8665-49CB-A0E6-DAF6E3CE58D3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6EB55DC4-8665-49CB-A0E6-DAF6E3CE58D3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6EB55DC4-8665-49CB-A0E6-DAF6E3CE58D3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6EB55DC4-8665-49CB-A0E6-DAF6E3CE58D3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8B5C5B0D-7F02-4178-A047-13FE2D659A8A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8B5C5B0D-7F02-4178-A047-13FE2D659A8A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8B5C5B0D-7F02-4178-A047-13FE2D659A8A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8B5C5B0D-7F02-4178-A047-13FE2D659A8A}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0EB8CCEC-83C2-4425-A963-7979DB147D82}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0EB8CCEC-83C2-4425-A963-7979DB147D82}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0EB8CCEC-83C2-4425-A963-7979DB147D82}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0EB8CCEC-83C2-4425-A963-7979DB147D82}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5CAEEF2D-864E-4EA6-9051-AD57284623E1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5CAEEF2D-864E-4EA6-9051-AD57284623E1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5CAEEF2D-864E-4EA6-9051-AD57284623E1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5CAEEF2D-864E-4EA6-9051-AD57284623E1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7015B886-71AF-4B4F-A398-9F968CFA8F39}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7015B886-71AF-4B4F-A398-9F968CFA8F39}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7015B886-71AF-4B4F-A398-9F968CFA8F39}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7015B886-71AF-4B4F-A398-9F968CFA8F39}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

LawFirm/LawFirm/Form1.Designer.cs

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

LawFirm/LawFirm/Form1.cs

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

LawFirm/LawFirm/FormBlank.Designer.cs

@@ -0,0 +1,118 @@
+namespace LawFirmView
+{
+    partial class FormBlank
+    {
+        /// <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()
+        {
+            labelName = new Label();
+            labelPrice = new Label();
+            textBoxName = new TextBox();
+            textBoxPrice = new TextBox();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            SuspendLayout();
+            // 
+            // labelName
+            // 
+            labelName.AutoSize = true;
+            labelName.Location = new Point(24, 26);
+            labelName.Name = "labelName";
+            labelName.Size = new Size(80, 20);
+            labelName.TabIndex = 0;
+            labelName.Text = "Название:";
+            // 
+            // labelPrice
+            // 
+            labelPrice.AutoSize = true;
+            labelPrice.Location = new Point(24, 64);
+            labelPrice.Name = "labelPrice";
+            labelPrice.Size = new Size(48, 20);
+            labelPrice.TabIndex = 1;
+            labelPrice.Text = "Цена:";
+            // 
+            // textBoxName
+            // 
+            textBoxName.Location = new Point(110, 26);
+            textBoxName.Name = "textBoxName";
+            textBoxName.Size = new Size(386, 27);
+            textBoxName.TabIndex = 2;
+            // 
+            // textBoxPrice
+            // 
+            textBoxPrice.Location = new Point(110, 61);
+            textBoxPrice.Name = "textBoxPrice";
+            textBoxPrice.Size = new Size(386, 27);
+            textBoxPrice.TabIndex = 3;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(280, 106);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 4;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(402, 106);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 5;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // FormBlank
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(528, 157);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(textBoxPrice);
+            Controls.Add(textBoxName);
+            Controls.Add(labelPrice);
+            Controls.Add(labelName);
+            Name = "FormBlank";
+            Text = "Бланк";
+            Load += FormBlank_Load;
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label labelName;
+        private Label labelPrice;
+        private TextBox textBoxName;
+        private TextBox textBoxPrice;
+        private Button buttonSave;
+        private Button buttonCancel;
+    }
+}

LawFirm/LawFirm/FormBlank.cs

@@ -0,0 +1,86 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.SearchModels;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmView
+{
+    public partial class FormBlank : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IBlankLogic _logic;
+        private int? _id;
+        public int Id { set { _id = value; } }
+        public FormBlank(ILogger<FormBlank> logger, IBlankLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxName.Text))
+            {
+                MessageBox.Show("Заполните название", "Ошибка",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Сохранение бланка");
+            try
+            {
+                var model = new BlankBindingModel
+                {
+                    Id = _id ?? 0,
+                    BlankName = textBoxName.Text,
+                    Price = Convert.ToDouble(textBoxPrice.Text)
+                };
+                var operationResult = _id.HasValue ? _logic.Update(model) :
+                                                     _logic.Create(model);
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при сохранении. " + "Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение",
+                MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка сохранения бланка");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+            }
+        }
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+        private void FormBlank_Load(object sender, EventArgs e)
+        {
+            if (_id.HasValue)
+            {
+                try
+                {
+                    _logger.LogInformation("Получение бланка");
+                    var view = _logic.ReadElement(new BlankSearchModel
+                    {
+                        Id = _id.Value
+                    });
+                    if (view != null)
+                    {
+                        textBoxName.Text = view.BlankName;
+                        textBoxPrice.Text = view.Price.ToString();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка получения бланка");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                    MessageBoxIcon.Error);
+                }
+            }
+        }
+    }
+}

LawFirm/LawFirm/FormBlanks.Designer.cs

@@ -0,0 +1,123 @@
+namespace LawFirmView
+{
+    partial class FormBlanks
+    {
+        /// <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()
+        {
+            dataGridView = new DataGridView();
+            buttonAdd = new Button();
+            buttonChange = new Button();
+            buttonDelete = new Button();
+            buttonUpdate = new Button();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            SuspendLayout();
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToAddRows = false;
+            dataGridView.AllowUserToDeleteRows = false;
+            dataGridView.BackgroundColor = Color.White;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Dock = DockStyle.Left;
+            dataGridView.Location = new Point(0, 0);
+            dataGridView.Margin = new Padding(4, 3, 4, 3);
+            dataGridView.MultiSelect = false;
+            dataGridView.Name = "dataGridView";
+            dataGridView.ReadOnly = true;
+            dataGridView.RowHeadersVisible = false;
+            dataGridView.RowHeadersWidth = 51;
+            dataGridView.RowTemplate.Height = 29;
+            dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridView.Size = new Size(571, 617);
+            dataGridView.TabIndex = 0;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.Location = new Point(578, 12);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(166, 30);
+            buttonAdd.TabIndex = 1;
+            buttonAdd.Text = "Добавить";
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += buttonAdd_Click;
+            // 
+            // buttonChange
+            // 
+            buttonChange.Location = new Point(578, 57);
+            buttonChange.Name = "buttonChange";
+            buttonChange.Size = new Size(166, 30);
+            buttonChange.TabIndex = 2;
+            buttonChange.Text = "Изменить";
+            buttonChange.UseVisualStyleBackColor = true;
+            buttonChange.Click += buttonChange_Click;
+            // 
+            // buttonDelete
+            // 
+            buttonDelete.Location = new Point(578, 102);
+            buttonDelete.Name = "buttonDelete";
+            buttonDelete.Size = new Size(166, 30);
+            buttonDelete.TabIndex = 3;
+            buttonDelete.Text = "Удалить";
+            buttonDelete.UseVisualStyleBackColor = true;
+            buttonDelete.Click += buttonDelete_Click;
+            // 
+            // buttonUpdate
+            // 
+            buttonUpdate.Location = new Point(578, 147);
+            buttonUpdate.Name = "buttonUpdate";
+            buttonUpdate.Size = new Size(166, 30);
+            buttonUpdate.TabIndex = 4;
+            buttonUpdate.Text = "Обновить";
+            buttonUpdate.UseVisualStyleBackColor = true;
+            buttonUpdate.Click += buttonUpdate_Click;
+            // 
+            // FormBlanks
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(751, 617);
+            Controls.Add(buttonUpdate);
+            Controls.Add(buttonDelete);
+            Controls.Add(buttonChange);
+            Controls.Add(buttonAdd);
+            Controls.Add(dataGridView);
+            Name = "FormBlanks";
+            Text = "Бланки";
+            Load += FormBlanks_Load;
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private DataGridView dataGridView;
+        private Button buttonAdd;
+        private Button buttonChange;
+        private Button buttonDelete;
+        private Button buttonUpdate;
+    }
+}

LawFirm/LawFirm/FormBlanks.cs

@@ -0,0 +1,102 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmView
+{
+    public partial class FormBlanks : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IBlankLogic _logic;
+        public FormBlanks(ILogger<FormBlanks> logger, IBlankLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+        private void FormBlanks_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["BlankName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                }
+                _logger.LogInformation("Загрузка бланков");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки бланков");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+            }
+        }
+        private void buttonAdd_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormBlank));
+            if (service is FormBlank form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
+        private void buttonChange_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormBlank));
+                if (service is FormBlank form)
+                {
+                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        LoadData();
+                    }
+                }
+            }
+        }
+        private void buttonDelete_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить запись?", "Вопрос",
+                MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Удаление бланка");
+                    try
+                    {
+                        if (!_logic.Delete(new BlankBindingModel
+                        {
+                            Id = id
+                        }))
+                        {
+                            throw new Exception("Ошибка при удалении. " +
+                                "Дополнительная информация в логах.");
+                        }
+                        LoadData();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Ошибка удаления бланка");
+                        MessageBox.Show(ex.Message, "Ошибка",
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+        private void buttonUpdate_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+    }
+}

LawFirm/LawFirm/FormBlanks.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema 
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LawFirm/LawFirm/FormCreateOrder.Designer.cs

@@ -0,0 +1,143 @@
+namespace LawFirmView
+{
+    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()
+        {
+            labelDocument = new Label();
+            labelCount = new Label();
+            labelSum = new Label();
+            comboBoxDocument = new ComboBox();
+            textBoxCount = new TextBox();
+            textBoxSum = new TextBox();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            SuspendLayout();
+            // 
+            // labelDocument
+            // 
+            labelDocument.AutoSize = true;
+            labelDocument.Location = new Point(23, 30);
+            labelDocument.Name = "labelDocument";
+            labelDocument.Size = new Size(79, 20);
+            labelDocument.TabIndex = 0;
+            labelDocument.Text = "Документ:";
+            // 
+            // labelCount
+            // 
+            labelCount.AutoSize = true;
+            labelCount.Location = new Point(23, 70);
+            labelCount.Name = "labelCount";
+            labelCount.Size = new Size(84, 20);
+            labelCount.TabIndex = 1;
+            labelCount.Text = "Кличество:";
+            // 
+            // labelSum
+            // 
+            labelSum.AutoSize = true;
+            labelSum.Location = new Point(23, 112);
+            labelSum.Name = "labelSum";
+            labelSum.Size = new Size(58, 20);
+            labelSum.TabIndex = 2;
+            labelSum.Text = "Сумма:";
+            // 
+            // comboBoxDocument
+            // 
+            comboBoxDocument.FormattingEnabled = true;
+            comboBoxDocument.Location = new Point(122, 27);
+            comboBoxDocument.Name = "comboBoxDocument";
+            comboBoxDocument.Size = new Size(301, 28);
+            comboBoxDocument.TabIndex = 3;
+            comboBoxDocument.SelectedIndexChanged += comboBoxDocument_SelectedIndexChanged;
+            // 
+            // textBoxCount
+            // 
+            textBoxCount.Location = new Point(122, 67);
+            textBoxCount.Name = "textBoxCount";
+            textBoxCount.Size = new Size(301, 27);
+            textBoxCount.TabIndex = 4;
+            textBoxCount.TextChanged += textBoxCount_TextChanged;
+            // 
+            // textBoxSum
+            // 
+            textBoxSum.Location = new Point(122, 105);
+            textBoxSum.Name = "textBoxSum";
+            textBoxSum.Size = new Size(301, 27);
+            textBoxSum.TabIndex = 5;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(202, 166);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 6;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(329, 166);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 7;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // FormCreateOrder
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(435, 224);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(textBoxSum);
+            Controls.Add(textBoxCount);
+            Controls.Add(comboBoxDocument);
+            Controls.Add(labelSum);
+            Controls.Add(labelCount);
+            Controls.Add(labelDocument);
+            Name = "FormCreateOrder";
+            Text = "Заказ";
+            Load += FormCreateOrder_Load;
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label labelDocument;
+        private Label labelCount;
+        private Label labelSum;
+        private ComboBox comboBoxDocument;
+        private TextBox textBoxCount;
+        private TextBox textBoxSum;
+        private Button buttonSave;
+        private Button buttonCancel;
+    }
+}

LawFirm/LawFirm/FormCreateOrder.cs

@@ -0,0 +1,117 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.SearchModels;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmView
+{
+    public partial class FormCreateOrder : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IDocumentLogic _logicD;
+        private readonly IOrderLogic _logicO;
+        public FormCreateOrder(ILogger<FormCreateOrder> logger, IDocumentLogic logicD, IOrderLogic logicO)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logicD = logicD;
+            _logicO = logicO;
+        }
+        private void FormCreateOrder_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка документов для заказа");
+            try
+            {
+                var list = _logicD.ReadList(null);
+                if (list != null)
+                {
+                    comboBoxDocument.DisplayMember = "DocumentName";
+                    comboBoxDocument.ValueMember = "Id";
+                    comboBoxDocument.DataSource = list;
+                    comboBoxDocument.SelectedItem = null;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки документов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        private void CalcSum()
+        {
+            if (comboBoxDocument.SelectedValue != null &&
+           !string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                try
+                {
+                    int id = Convert.ToInt32(comboBoxDocument.SelectedValue);
+                    var document = _logicD.ReadElement(new DocumentSearchModel
+                    {
+                        Id = id
+                    });
+                    int count = Convert.ToInt32(textBoxCount.Text);
+                    textBoxSum.Text = Math.Round(count * (document?.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 textBoxCount_TextChanged(object sender, EventArgs e)
+        {
+            CalcSum();
+        }
+        private void comboBoxDocument_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            CalcSum();
+        }
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxDocument.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите документ", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Создание заказа");
+            try
+            {
+                var operationResult = _logicO.CreateOrder(new OrderBindingModel
+                {
+                    DocumentId = Convert.ToInt32(comboBoxDocument.SelectedValue),
+                    Count = Convert.ToInt32(textBoxCount.Text),
+                    Sum = Convert.ToDouble(textBoxSum.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();
+        }
+    }
+}

LawFirm/LawFirm/FormCreateOrder.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema 
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LawFirm/LawFirm/FormDocument.Designer.cs

@@ -0,0 +1,237 @@
+namespace LawFirmView
+{
+    partial class FormDocument
+    {
+        /// <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()
+        {
+            labelName = new Label();
+            labelPrice = new Label();
+            textBoxName = new TextBox();
+            textBoxPrice = new TextBox();
+            groupBox = new GroupBox();
+            dataGridView = new DataGridView();
+            BlankId = new DataGridViewTextBoxColumn();
+            Blank = new DataGridViewTextBoxColumn();
+            Count = new DataGridViewTextBoxColumn();
+            buttonUpdate = new Button();
+            buttonDelete = new Button();
+            buttonChange = new Button();
+            buttonAdd = new Button();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            groupBox.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            SuspendLayout();
+            // 
+            // labelName
+            // 
+            labelName.AutoSize = true;
+            labelName.Location = new Point(22, 25);
+            labelName.Name = "labelName";
+            labelName.Size = new Size(80, 20);
+            labelName.TabIndex = 0;
+            labelName.Text = "Название:";
+            // 
+            // labelPrice
+            // 
+            labelPrice.AutoSize = true;
+            labelPrice.Location = new Point(22, 60);
+            labelPrice.Name = "labelPrice";
+            labelPrice.Size = new Size(86, 20);
+            labelPrice.TabIndex = 1;
+            labelPrice.Text = "Стоимость:";
+            // 
+            // textBoxName
+            // 
+            textBoxName.Location = new Point(124, 25);
+            textBoxName.Name = "textBoxName";
+            textBoxName.Size = new Size(229, 27);
+            textBoxName.TabIndex = 2;
+            // 
+            // textBoxPrice
+            // 
+            textBoxPrice.Location = new Point(124, 60);
+            textBoxPrice.Name = "textBoxPrice";
+            textBoxPrice.ReadOnly = true;
+            textBoxPrice.Size = new Size(229, 27);
+            textBoxPrice.TabIndex = 3;
+            // 
+            // groupBox
+            // 
+            groupBox.Controls.Add(dataGridView);
+            groupBox.Controls.Add(buttonUpdate);
+            groupBox.Controls.Add(buttonDelete);
+            groupBox.Controls.Add(buttonChange);
+            groupBox.Controls.Add(buttonAdd);
+            groupBox.Location = new Point(12, 118);
+            groupBox.Name = "groupBox";
+            groupBox.Size = new Size(707, 468);
+            groupBox.TabIndex = 4;
+            groupBox.TabStop = false;
+            groupBox.Text = "Бланки";
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToAddRows = false;
+            dataGridView.AllowUserToDeleteRows = false;
+            dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridView.BackgroundColor = Color.White;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Columns.AddRange(new DataGridViewColumn[] { BlankId, Blank, Count });
+            dataGridView.Location = new Point(10, 26);
+            dataGridView.Margin = new Padding(3, 4, 3, 4);
+            dataGridView.Name = "dataGridView";
+            dataGridView.ReadOnly = true;
+            dataGridView.RowHeadersWidth = 51;
+            dataGridView.RowTemplate.Height = 29;
+            dataGridView.Size = new Size(528, 436);
+            dataGridView.TabIndex = 0;
+            // 
+            // BlankId
+            // 
+            BlankId.AutoSizeMode = DataGridViewAutoSizeColumnMode.None;
+            BlankId.HeaderText = "ID";
+            BlankId.MinimumWidth = 6;
+            BlankId.Name = "BlankId";
+            BlankId.ReadOnly = true;
+            BlankId.Visible = false;
+            BlankId.Width = 125;
+            // 
+            // Blank
+            // 
+            Blank.HeaderText = "Бланк";
+            Blank.MinimumWidth = 6;
+            Blank.Name = "Blank";
+            Blank.ReadOnly = true;
+            // 
+            // Count
+            // 
+            Count.HeaderText = "Количество";
+            Count.MinimumWidth = 6;
+            Count.Name = "Count";
+            Count.ReadOnly = true;
+            // 
+            // buttonUpdate
+            // 
+            buttonUpdate.Location = new Point(573, 176);
+            buttonUpdate.Name = "buttonUpdate";
+            buttonUpdate.Size = new Size(94, 29);
+            buttonUpdate.TabIndex = 10;
+            buttonUpdate.Text = "Обновить";
+            buttonUpdate.UseVisualStyleBackColor = true;
+            buttonUpdate.Click += buttonUpdate_Click;
+            // 
+            // buttonDelete
+            // 
+            buttonDelete.Location = new Point(573, 130);
+            buttonDelete.Name = "buttonDelete";
+            buttonDelete.Size = new Size(94, 29);
+            buttonDelete.TabIndex = 9;
+            buttonDelete.Text = "Удалить";
+            buttonDelete.UseVisualStyleBackColor = true;
+            buttonDelete.Click += buttonDelete_Click;
+            // 
+            // buttonChange
+            // 
+            buttonChange.Location = new Point(573, 85);
+            buttonChange.Name = "buttonChange";
+            buttonChange.Size = new Size(94, 29);
+            buttonChange.TabIndex = 8;
+            buttonChange.Text = "Изменить";
+            buttonChange.UseVisualStyleBackColor = true;
+            buttonChange.Click += buttonChange_Click;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.Location = new Point(573, 41);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(94, 29);
+            buttonAdd.TabIndex = 7;
+            buttonAdd.Text = "Добавить";
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += buttonAdd_Click;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(502, 592);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 5;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(625, 592);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 6;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // FormDocument
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(731, 628);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(groupBox);
+            Controls.Add(textBoxPrice);
+            Controls.Add(textBoxName);
+            Controls.Add(labelPrice);
+            Controls.Add(labelName);
+            Name = "FormDocument";
+            Text = "Документ";
+            Load += FormDocument_Load;
+            groupBox.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label labelName;
+        private Label labelPrice;
+        private TextBox textBoxName;
+        private TextBox textBoxPrice;
+        private GroupBox groupBox;
+        private Button buttonSave;
+        private Button buttonCancel;
+        private DataGridView dataGridView;
+        private Button buttonUpdate;
+        private Button buttonDelete;
+        private Button buttonChange;
+        private Button buttonAdd;
+        private DataGridViewTextBoxColumn BlankId;
+        private DataGridViewTextBoxColumn Blank;
+        private DataGridViewTextBoxColumn Count;
+    }
+}

LawFirm/LawFirm/FormDocument.cs

@@ -0,0 +1,213 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.SearchModels;
+using LawFirmDataModels.Models;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmView
+{
+    public partial class FormDocument : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IDocumentLogic _logic;
+        private int? _id;
+        private Dictionary<int, (IBlankModel, int)> _documentBlanks;
+        public int Id { set { _id = value; } }
+        public FormDocument(ILogger<FormDocument> logger, IDocumentLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+            _documentBlanks = new Dictionary<int, (IBlankModel, int)>();
+        }
+        private void FormDocument_Load(object sender, EventArgs e)
+        {
+            if (_id.HasValue)
+            {
+                _logger.LogInformation("Загрузка документа");
+                try
+                {
+                    var view = _logic.ReadElement(new DocumentSearchModel
+                    {
+                        Id = _id.Value
+                    });
+                    if (view != null)
+                    {
+                        textBoxName.Text = view.DocumentName;
+                        textBoxPrice.Text = view.Price.ToString();
+                        _documentBlanks = view.DocumentBlanks ?? new
+                        Dictionary<int, (IBlankModel, int)>();
+                        LoadData();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка загрузки документа");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                    MessageBoxIcon.Error);
+                }
+            }
+        }
+        private void LoadData()
+        {
+            _logger.LogInformation("Загрузка бланков документа");
+            try
+            {
+                if (_documentBlanks != null)
+                {
+                    dataGridView.Rows.Clear();
+                    foreach (var pc in _documentBlanks)
+                    {
+                        dataGridView.Rows.Add(new object[] { pc.Value.Item1.BlankName, pc.Value.Item2, pc.Key });
+                    }
+                    textBoxPrice.Text = CalcPrice().ToString();
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки бланков документа");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+            }
+        }
+        private void buttonAdd_Click(object sender, EventArgs e)
+        {
+            var service =
+            Program.ServiceProvider?.GetService(typeof(FormDocumentBlank));
+            if (service is FormDocumentBlank form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    if (form.BlankModel == null)
+                    {
+                        return;
+                    }
+                    _logger.LogInformation("Добавление нового бланка:{BlankName} - { Count}",
+                        form.BlankModel.BlankName, form.Count);
+                    if (_documentBlanks.ContainsKey(form.Id))
+                    {
+                        _documentBlanks[form.Id] = (form.BlankModel,
+                        form.Count);
+                    }
+                    else
+                    {
+                        _documentBlanks.Add(form.Id, (form.BlankModel,
+                        form.Count));
+                    }
+                    LoadData();
+                }
+            }
+        }
+        private void buttonChange_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormDocumentBlank));
+                if (service is FormDocumentBlank form)
+                {
+                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value);
+                    form.Id = id;
+                    form.Count = _documentBlanks[id].Item2;
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        if (form.BlankModel == null)
+                        {
+                            return;
+                        }
+                        _logger.LogInformation("Изменение бланка: {BlankName} - { Count}",
+                            form.BlankModel.BlankName, form.Count);
+                        _documentBlanks[form.Id] = (form.BlankModel, form.Count);
+                        LoadData();
+                    }
+                }
+            }
+        }
+        private void buttonDelete_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 бланка: {BlankName} - { Count}",
+                            dataGridView.SelectedRows[0].Cells[1].Value);
+                        _documentBlanks?.Remove(Convert.ToInt32(dataGridView.SelectedRows[0].Cells[0].Value));
+                    }
+                    catch (Exception ex)
+                    {
+                        MessageBox.Show(ex.Message, "Ошибка",
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                    LoadData();
+                }
+            }
+        }
+        private void buttonUpdate_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxName.Text))
+            {
+                MessageBox.Show("Заполните название", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (string.IsNullOrEmpty(textBoxPrice.Text))
+            {
+                MessageBox.Show("Заполните цену", "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+                return;
+            }
+            if (_documentBlanks == null || _documentBlanks.Count == 0)
+            {
+                MessageBox.Show("Заполните бланки", "Ошибка",
+                MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Сохранение документа");
+            try
+            {
+                var model = new DocumentBindingModel
+                {
+                    Id = _id ?? 0,
+                    DocumentName = textBoxName.Text,
+                    Price = Convert.ToDouble(textBoxPrice.Text),
+                    DocumentBlanks = _documentBlanks
+                };
+                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 документа");
+                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 _documentBlanks)
+            {
+                price += ((elem.Value.Item1?.Price ?? 0) * elem.Value.Item2);
+            }
+            return Math.Round(price * 1.1, 2);
+        }
+    }
+}

LawFirm/LawFirm/FormDocument.resx

@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema 
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="BlankId.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="Blank.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="Count.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+</root>

LawFirm/LawFirm/FormDocumentBlank.Designer.cs

@@ -0,0 +1,118 @@
+namespace LawFirmView
+{
+    partial class FormDocumentBlank
+    {
+        /// <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()
+        {
+            labelBlank = new Label();
+            labelCount = new Label();
+            comboBoxBlank = new ComboBox();
+            textBoxCount = new TextBox();
+            buttonSave = new Button();
+            buttonCancel = new Button();
+            SuspendLayout();
+            // 
+            // labelBlank
+            // 
+            labelBlank.AutoSize = true;
+            labelBlank.Location = new Point(12, 28);
+            labelBlank.Name = "labelBlank";
+            labelBlank.Size = new Size(53, 20);
+            labelBlank.TabIndex = 0;
+            labelBlank.Text = "Бланк:";
+            // 
+            // labelCount
+            // 
+            labelCount.AutoSize = true;
+            labelCount.Location = new Point(12, 75);
+            labelCount.Name = "labelCount";
+            labelCount.Size = new Size(93, 20);
+            labelCount.TabIndex = 1;
+            labelCount.Text = "Количество:";
+            // 
+            // comboBoxBlank
+            // 
+            comboBoxBlank.FormattingEnabled = true;
+            comboBoxBlank.Location = new Point(124, 28);
+            comboBoxBlank.Name = "comboBoxBlank";
+            comboBoxBlank.Size = new Size(315, 28);
+            comboBoxBlank.TabIndex = 2;
+            // 
+            // textBoxCount
+            // 
+            textBoxCount.Location = new Point(124, 75);
+            textBoxCount.Name = "textBoxCount";
+            textBoxCount.Size = new Size(315, 27);
+            textBoxCount.TabIndex = 3;
+            // 
+            // buttonSave
+            // 
+            buttonSave.Location = new Point(225, 121);
+            buttonSave.Name = "buttonSave";
+            buttonSave.Size = new Size(94, 29);
+            buttonSave.TabIndex = 4;
+            buttonSave.Text = "Сохранить";
+            buttonSave.UseVisualStyleBackColor = true;
+            buttonSave.Click += buttonSave_Click;
+            // 
+            // buttonCancel
+            // 
+            buttonCancel.Location = new Point(345, 121);
+            buttonCancel.Name = "buttonCancel";
+            buttonCancel.Size = new Size(94, 29);
+            buttonCancel.TabIndex = 5;
+            buttonCancel.Text = "Отмена";
+            buttonCancel.UseVisualStyleBackColor = true;
+            buttonCancel.Click += buttonCancel_Click;
+            // 
+            // FormDocumentBlank
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(451, 171);
+            Controls.Add(buttonCancel);
+            Controls.Add(buttonSave);
+            Controls.Add(textBoxCount);
+            Controls.Add(comboBoxBlank);
+            Controls.Add(labelCount);
+            Controls.Add(labelBlank);
+            Name = "FormDocumentBlank";
+            Text = "FormDocumentBlank";
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label labelBlank;
+        private Label labelCount;
+        private ComboBox comboBoxBlank;
+        private TextBox textBoxCount;
+        private Button buttonSave;
+        private Button buttonCancel;
+    }
+}

LawFirm/LawFirm/FormDocumentBlank.cs

@@ -0,0 +1,79 @@
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+
+namespace LawFirmView
+{
+    public partial class FormDocumentBlank : Form
+    {
+        private readonly List<BlankViewModel>? _list;
+        public int Id
+        {
+            get
+            {
+                return Convert.ToInt32(comboBoxBlank.SelectedValue);
+            }
+            set
+            {
+                comboBoxBlank.SelectedValue = value;
+            }
+        }
+        public IBlankModel? BlankModel
+        {
+            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(textBoxCount.Text); }
+            set { textBoxCount.Text = value.ToString(); }
+        }
+        public FormDocumentBlank(IBlankLogic logic)
+        {
+            InitializeComponent();
+            _list = logic.ReadList(null);
+            if (_list != null)
+            {
+                comboBoxBlank.DisplayMember = "BlankName";
+                comboBoxBlank.ValueMember = "Id";
+                comboBoxBlank.DataSource = _list;
+                comboBoxBlank.SelectedItem = null;
+            }
+        }
+        private void buttonSave_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxCount.Text))
+            {
+                MessageBox.Show("Заполните поле Количество", "Ошибка",
+               MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxBlank.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();
+        }
+    }
+}

LawFirm/LawFirm/FormDocumentBlank.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema 
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LawFirm/LawFirm/FormDocuments.Designer.cs

@@ -0,0 +1,119 @@
+namespace LawFirmView
+{
+    partial class FormDocuments
+    {
+        /// <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()
+        {
+            dataGridView = new DataGridView();
+            buttonAdd = new Button();
+            buttonChange = new Button();
+            buttonDelete = new Button();
+            buttonUpdate = new Button();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            SuspendLayout();
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToAddRows = false;
+            dataGridView.AllowUserToDeleteRows = false;
+            dataGridView.BackgroundColor = Color.White;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Location = new Point(0, 0);
+            dataGridView.Margin = new Padding(3, 4, 3, 4);
+            dataGridView.Name = "dataGridView";
+            dataGridView.ReadOnly = true;
+            dataGridView.RowHeadersWidth = 51;
+            dataGridView.RowTemplate.Height = 29;
+            dataGridView.Size = new Size(572, 594);
+            dataGridView.TabIndex = 5;
+            // 
+            // buttonAdd
+            // 
+            buttonAdd.Location = new Point(578, 12);
+            buttonAdd.Name = "buttonAdd";
+            buttonAdd.Size = new Size(155, 29);
+            buttonAdd.TabIndex = 6;
+            buttonAdd.Text = "Добавить";
+            buttonAdd.UseVisualStyleBackColor = true;
+            buttonAdd.Click += buttonAdd_Click;
+            // 
+            // buttonChange
+            // 
+            buttonChange.Location = new Point(578, 56);
+            buttonChange.Name = "buttonChange";
+            buttonChange.Size = new Size(155, 29);
+            buttonChange.TabIndex = 8;
+            buttonChange.Text = "Изменить";
+            buttonChange.UseVisualStyleBackColor = true;
+            buttonChange.Click += buttonChange_Click;
+            // 
+            // buttonDelete
+            // 
+            buttonDelete.Location = new Point(578, 102);
+            buttonDelete.Name = "buttonDelete";
+            buttonDelete.Size = new Size(155, 29);
+            buttonDelete.TabIndex = 9;
+            buttonDelete.Text = "Удалить";
+            buttonDelete.UseVisualStyleBackColor = true;
+            buttonDelete.Click += buttonDelete_Click;
+            // 
+            // buttonUpdate
+            // 
+            buttonUpdate.Location = new Point(578, 148);
+            buttonUpdate.Name = "buttonUpdate";
+            buttonUpdate.Size = new Size(155, 29);
+            buttonUpdate.TabIndex = 10;
+            buttonUpdate.Text = "Обновить";
+            buttonUpdate.UseVisualStyleBackColor = true;
+            buttonUpdate.Click += buttonUpdate_Click;
+            // 
+            // FormDocuments
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(739, 596);
+            Controls.Add(buttonUpdate);
+            Controls.Add(buttonDelete);
+            Controls.Add(buttonChange);
+            Controls.Add(buttonAdd);
+            Controls.Add(dataGridView);
+            Name = "FormDocuments";
+            Text = "Документы";
+            Load += FormDocuments_Load;
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            ResumeLayout(false);
+        }
+
+        #endregion
+
+        private DataGridView dataGridView;
+        private Button buttonAdd;
+        private Button buttonChange;
+        private Button buttonDelete;
+        private Button buttonUpdate;
+    }
+}

LawFirm/LawFirm/FormDocuments.cs

@@ -0,0 +1,103 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmView
+{
+    public partial class FormDocuments : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IDocumentLogic _logic;
+        public FormDocuments(ILogger<FormDocuments> logger, IDocumentLogic logic)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _logic = logic;
+        }
+        private void FormDocuments_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["DocumentName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                    dataGridView.Columns["DocumentBlanks"].Visible = false;
+                }
+                _logger.LogInformation("Загрузка документов");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки документов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK,
+                MessageBoxIcon.Error);
+            }
+        }
+        private void buttonAdd_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormDocument));
+            if (service is FormDocument form)
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    LoadData();
+                }
+            }
+        }
+        private void buttonChange_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                var service = Program.ServiceProvider?.GetService(typeof(FormDocument));
+                if (service is FormDocument form)
+                {
+                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    if (form.ShowDialog() == DialogResult.OK)
+                    {
+                        LoadData();
+                    }
+                }
+            }
+        }
+        private void buttonDelete_Click(object sender, EventArgs e)
+        {
+            if (dataGridView.SelectedRows.Count == 1)
+            {
+                if (MessageBox.Show("Удалить запись?", "Вопрос",
+                MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
+                {
+                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
+                    _logger.LogInformation("Удаление бланка");
+                    try
+                    {
+                        if (!_logic.Delete(new DocumentBindingModel
+                        {
+                            Id = id
+                        }))
+                        {
+                            throw new Exception("Ошибка при удалении. " +
+                                "Дополнительная информация в логах.");
+                        }
+                        LoadData();
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogError(ex, "Ошибка удаления документа");
+                        MessageBox.Show(ex.Message, "Ошибка",
+                        MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    }
+                }
+            }
+        }
+        private void buttonUpdate_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+    }
+}

LawFirm/LawFirm/FormDocuments.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema 
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

LawFirm/LawFirm/FormMain.Designer.cs

@@ -0,0 +1,177 @@
+namespace LawFirmView
+{
+    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()
+        {
+            menuStrip = new MenuStrip();
+            toolStripMenuItem = new ToolStripMenuItem();
+            BlanksToolStripMenuItem = new ToolStripMenuItem();
+            DocumentsToolStripMenuItem = new ToolStripMenuItem();
+            dataGridView = new DataGridView();
+            buttonCreateOrder = new Button();
+            buttonTakeOrderInWork = new Button();
+            buttonOrderReady = new Button();
+            buttonIssuedOrder = new Button();
+            buttonUpdate = new Button();
+            menuStrip.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            SuspendLayout();
+            // 
+            // menuStrip
+            // 
+            menuStrip.ImageScalingSize = new Size(20, 20);
+            menuStrip.Items.AddRange(new ToolStripItem[] { toolStripMenuItem });
+            menuStrip.Location = new Point(0, 0);
+            menuStrip.Name = "menuStrip";
+            menuStrip.Size = new Size(929, 28);
+            menuStrip.TabIndex = 0;
+            menuStrip.Text = "Справочники";
+            // 
+            // toolStripMenuItem
+            // 
+            toolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { BlanksToolStripMenuItem, DocumentsToolStripMenuItem });
+            toolStripMenuItem.Name = "toolStripMenuItem";
+            toolStripMenuItem.Size = new Size(117, 24);
+            toolStripMenuItem.Text = "Справочники";
+            // 
+            // BlanksToolStripMenuItem
+            // 
+            BlanksToolStripMenuItem.Name = "BlanksToolStripMenuItem";
+            BlanksToolStripMenuItem.Size = new Size(224, 26);
+            BlanksToolStripMenuItem.Text = "Бланки";
+            BlanksToolStripMenuItem.Click += BlanksToolStripMenuItem_Click;
+            // 
+            // DocumentsToolStripMenuItem
+            // 
+            DocumentsToolStripMenuItem.Name = "DocumentsToolStripMenuItem";
+            DocumentsToolStripMenuItem.Size = new Size(224, 26);
+            DocumentsToolStripMenuItem.Text = "Документы";
+            DocumentsToolStripMenuItem.Click += DocumentsToolStripMenuItem_Click;
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToAddRows = false;
+            dataGridView.AllowUserToDeleteRows = false;
+            dataGridView.BackgroundColor = Color.White;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Location = new Point(12, 31);
+            dataGridView.Margin = new Padding(3, 4, 3, 4);
+            dataGridView.Name = "dataGridView";
+            dataGridView.ReadOnly = true;
+            dataGridView.RowHeadersWidth = 51;
+            dataGridView.RowTemplate.Height = 29;
+            dataGridView.Size = new Size(714, 606);
+            dataGridView.TabIndex = 1;
+            // 
+            // buttonCreateOrder
+            // 
+            buttonCreateOrder.Location = new Point(732, 42);
+            buttonCreateOrder.Name = "buttonCreateOrder";
+            buttonCreateOrder.Size = new Size(185, 29);
+            buttonCreateOrder.TabIndex = 2;
+            buttonCreateOrder.Text = "Создать заказ";
+            buttonCreateOrder.UseVisualStyleBackColor = true;
+            buttonCreateOrder.Click += buttonCreateOrder_Click;
+            // 
+            // buttonTakeOrderInWork
+            // 
+            buttonTakeOrderInWork.Location = new Point(732, 86);
+            buttonTakeOrderInWork.Name = "buttonTakeOrderInWork";
+            buttonTakeOrderInWork.Size = new Size(185, 29);
+            buttonTakeOrderInWork.TabIndex = 3;
+            buttonTakeOrderInWork.Text = "Отдать на выполнение";
+            buttonTakeOrderInWork.UseVisualStyleBackColor = true;
+            buttonTakeOrderInWork.Click += buttonTakeOrderInWork_Click;
+            // 
+            // buttonOrderReady
+            // 
+            buttonOrderReady.Location = new Point(732, 132);
+            buttonOrderReady.Name = "buttonOrderReady";
+            buttonOrderReady.Size = new Size(185, 29);
+            buttonOrderReady.TabIndex = 4;
+            buttonOrderReady.Text = "Заказ готов";
+            buttonOrderReady.UseVisualStyleBackColor = true;
+            buttonOrderReady.Click += buttonOrderReady_Click;
+            // 
+            // buttonIssuedOrder
+            // 
+            buttonIssuedOrder.Location = new Point(732, 177);
+            buttonIssuedOrder.Name = "buttonIssuedOrder";
+            buttonIssuedOrder.Size = new Size(185, 29);
+            buttonIssuedOrder.TabIndex = 5;
+            buttonIssuedOrder.Text = "Заказ выдан";
+            buttonIssuedOrder.UseVisualStyleBackColor = true;
+            buttonIssuedOrder.Click += buttonIssuedOrder_Click;
+            // 
+            // buttonUpdate
+            // 
+            buttonUpdate.Location = new Point(732, 221);
+            buttonUpdate.Name = "buttonUpdate";
+            buttonUpdate.Size = new Size(185, 29);
+            buttonUpdate.TabIndex = 6;
+            buttonUpdate.Text = "Обновить список";
+            buttonUpdate.UseVisualStyleBackColor = true;
+            buttonUpdate.Click += buttonUpdate_Click;
+            // 
+            // FormMain
+            // 
+            AutoScaleDimensions = new SizeF(8F, 20F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(929, 649);
+            Controls.Add(buttonUpdate);
+            Controls.Add(buttonIssuedOrder);
+            Controls.Add(buttonOrderReady);
+            Controls.Add(buttonTakeOrderInWork);
+            Controls.Add(buttonCreateOrder);
+            Controls.Add(dataGridView);
+            Controls.Add(menuStrip);
+            MainMenuStrip = menuStrip;
+            Name = "FormMain";
+            Text = "Юридическая фирма";
+            Load += FormMain_Load;
+            menuStrip.ResumeLayout(false);
+            menuStrip.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private MenuStrip menuStrip;
+        private ToolStripMenuItem toolStripMenuItem;
+        private ToolStripMenuItem BlanksToolStripMenuItem;
+        private ToolStripMenuItem DocumentsToolStripMenuItem;
+        private DataGridView dataGridView;
+        private Button buttonCreateOrder;
+        private Button buttonTakeOrderInWork;
+        private Button buttonOrderReady;
+        private Button buttonIssuedOrder;
+        private Button buttonUpdate;
+    }
+}

LawFirm/LawFirm/FormMain.cs

@@ -0,0 +1,167 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmDataModels.Enums;
+using Microsoft.Extensions.Logging;
+using System.Windows.Forms;
+
+namespace LawFirmView
+{
+    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["DocumentId"].Visible = false;
+                }
+                _logger.LogInformation("Загрузка прошла успешно");
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка загрузки заказов");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+        private void buttonCreateOrder_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormCreateOrder));
+            if (service is FormCreateOrder form)
+            {
+                form.ShowDialog();
+                LoadData();
+            }
+        }
+        private void buttonTakeOrderInWork_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,
+                        DocumentId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DocumentId"].Value),
+                        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 buttonOrderReady_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,
+                        DocumentId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DocumentId"].Value),
+                        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 buttonIssuedOrder_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,
+                        DocumentId = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["DocumentId"].Value),
+                        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 buttonUpdate_Click(object sender, EventArgs e)
+        {
+            LoadData();
+        }
+        private void BlanksToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormBlanks));
+            if (service is FormBlanks form)
+            {
+                form.ShowDialog();
+            }
+        }
+        private void DocumentsToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormDocuments));
+            if (service is FormDocuments form)
+            {
+                form.ShowDialog();
+            }
+        }
+    }
+}

LawFirm/LawFirm/FormMain.resx

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!--
+    Microsoft ResX Schema 
+
+    Version 2.0
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
+    associated with the data types.
+
+    Example:
+
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+
+    There are any number of "resheader" rows that contain simple
+    name/value pairs.
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
+    mimetype set.
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
+    extensible. For a given mimetype the value must be set accordingly:
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
+    read any of the formats listed below.
+
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="menuStrip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+</root>

LawFirm/LawFirm/LawFirm.csproj

@@ -1,11 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>WinExe</OutputType>
-    <TargetFramework>net6.0-windows</TargetFramework>
-    <Nullable>enable</Nullable>
-    <UseWindowsForms>true</UseWindowsForms>
-    <ImplicitUsings>enable</ImplicitUsings>
-  </PropertyGroup>
-
-</Project>

LawFirm/LawFirm/LawFirmView.csproj

@@ -0,0 +1,32 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWindowsForms>true</UseWindowsForms>
+    <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="Microsoft.Extensions.Configuration" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\LawFirmBusinessLogic\LawFirmBusinessLogic.csproj" />
+    <ProjectReference Include="..\LawFirmContracts\LawFirmContracts.csproj" />
+    <ProjectReference Include="..\LawFirmDatabaseImplement\LawFirmDatabaseImplement.csproj" />
+    <ProjectReference Include="..\LawFirmDataModels\LawFirmDataModels.csproj" />
+    <ProjectReference Include="..\LawFirmFileImplement\LawFirmFileImplement.csproj" />
+    <ProjectReference Include="..\LawFirmListImplement\LawFirmListImplement.csproj" />
+  </ItemGroup>
+
+</Project>

LawFirm/LawFirm/Program.cs

@@ -1,7 +1,18 @@
-namespace LawFirm
+using LawFirmBusinessLogic.BusinessLogics;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.StoragesContracts;
+using LawFirmDatabaseImplement.Implements;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using NLog.Extensions.Logging;
+using System;
+
+namespace LawFirmView
 {
     internal static class Program
     {
+        private static ServiceProvider? _serviceProvider;
+        public static ServiceProvider? ServiceProvider => _serviceProvider;
         /// <summary>
         ///  The main entry point for the application.
         /// </summary>
@@ -11,7 +22,33 @@ namespace LawFirm
             // 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<IBlankStorage, BlankStorage>();
+            services.AddTransient<IOrderStorage, OrderStorage>();
+            services.AddTransient<IDocumentStorage, DocumentStorage>();
+
+            services.AddTransient<IBlankLogic, BlankLogic>();
+            services.AddTransient<IOrderLogic, OrderLogic>();
+            services.AddTransient<IDocumentLogic, DocumentLogic>();
+
+            services.AddTransient<FormMain>();
+            services.AddTransient<FormBlank>();
+            services.AddTransient<FormBlanks>();
+            services.AddTransient<FormCreateOrder>();
+            services.AddTransient<FormDocument>();
+            services.AddTransient<FormDocumentBlank>();
+            services.AddTransient<FormDocuments>();
         }
     }
 }

LawFirm/LawFirmBusinessLogic/BusinessLogics/BlankLogic.cs

@@ -0,0 +1,115 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmBusinessLogic.BusinessLogics
+{
+    public class BlankLogic : IBlankLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IBlankStorage _blankStorage;
+        public BlankLogic(ILogger<BlankLogic> logger, IBlankStorage blankStorage)
+        {
+            _logger = logger;
+            _blankStorage = blankStorage;
+        }
+        public List<BlankViewModel>? ReadList(BlankSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. BlankName:{BlankName}.Id:{Id}",
+                model?.BlankName, model?.Id);
+            var list = model == null ? _blankStorage.GetFullList() :
+                                   _blankStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public BlankViewModel? ReadElement(BlankSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. BlankName:{BlankName}.Id:{Id}",
+                model.BlankName, model.Id);
+            var element = _blankStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Create(BlankBindingModel model)
+        {
+            CheckModel(model);
+            if (_blankStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Update(BlankBindingModel model)
+        {
+            CheckModel(model);
+            if (_blankStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(BlankBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_blankStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(BlankBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.BlankName))
+            {
+                throw new ArgumentNullException("Нет названия компонента",
+               nameof(model.BlankName));
+            }
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Цена компонента должна быть больше 0",
+                    nameof(model.Price));
+            }
+            _logger.LogInformation("Blank. BlankName:{BlackName}.Price:{Price}. Id: {Id}",
+                model.BlankName, model.Price, model.Id);
+            var element = _blankStorage.GetElement(
+                new BlankSearchModel
+                {
+                    BlankName = model.BlankName
+                }
+            );
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Компонент с таким названием уже есть");
+            }
+        }
+    }
+}

LawFirm/LawFirmBusinessLogic/BusinessLogics/DocumentLogic.cs

@@ -0,0 +1,115 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmBusinessLogic.BusinessLogics
+{
+    public class DocumentLogic : IDocumentLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IDocumentStorage _documentStorage;
+        public DocumentLogic(ILogger<DocumentLogic> logger, IDocumentStorage documentStorage)
+        {
+            _logger = logger;
+            _documentStorage = documentStorage;
+        }
+        public List<DocumentViewModel>? ReadList(DocumentSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. DocumentName:{DocumentName}.Id:{Id}",
+                model?.DocumentName, model?.Id);
+            var list = model == null ? _documentStorage.GetFullList() :
+                                   _documentStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+        public bool Create(DocumentBindingModel model)
+        {
+            CheckModel(model);
+            if (_documentStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(DocumentBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_documentStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+        public DocumentViewModel? ReadElement(DocumentSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. DocumentName:{DocumentName}.Id:{Id}",
+                model.DocumentName, model.Id);
+            var element = _documentStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+        public bool Update(DocumentBindingModel model)
+        {
+            CheckModel(model);
+            if (_documentStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(DocumentBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.DocumentName))
+            {
+                throw new ArgumentNullException("Нет названия документа",
+               nameof(model.DocumentName));
+            }
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Цена Документа должна быть больше 0",
+                    nameof(model.Price));
+            }
+            _logger.LogInformation("Document. DocumentName:{DocumentName}.Price:{Price}. Id: {Id}",
+                model.DocumentName, model.Price, model.Id);
+            var element = _documentStorage.GetElement(
+                new DocumentSearchModel
+                {
+                    DocumentName = model.DocumentName
+                }
+            );
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Документ с таким названием уже есть");
+            }
+        }
+    }
+}

LawFirm/LawFirmBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -0,0 +1,118 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.BusinessLogicsContracts;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Enums;
+using Microsoft.Extensions.Logging;
+
+namespace LawFirmBusinessLogic.BusinessLogics
+{
+    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)
+        {
+            var viewModel = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
+            if (viewModel == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (viewModel.Status + 1 != newStatus)
+            {
+                _logger.LogWarning("Update operation failed. Order status incorrect.");
+                return false;
+            }
+            model.Status = newStatus;
+            if (model.Status == OrderStatus.Готов) model.DateImplement = DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Utc);
+            else
+            {
+                model.DateImplement = viewModel.DateImplement;
+            }
+            CheckModel(model, false);
+            if (_orderStorage.Update(model) == null)
+            {
+                model.Status--;
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool DeliveryOrder(OrderBindingModel model)
+        {
+            return StatusUpdate(model, OrderStatus.Выдан);
+        }
+        public bool FinishOrder(OrderBindingModel model)
+        {
+            return StatusUpdate(model, OrderStatus.Готов);
+        }
+        public bool TakeOrderInWork(OrderBindingModel model)
+        {
+            return StatusUpdate(model, OrderStatus.Выполняется);
+        }
+        public List<OrderViewModel>? ReadList(OrderSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. 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.DocumentId < 0)
+            {
+                throw new ArgumentNullException("Некорректный идентификатор документа",
+                    nameof(model.DocumentId));
+            }
+            if (model.Count <= 0)
+            {
+                throw new ArgumentNullException("Количество документов 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("Document. OrderID:{Id}. Sum:{Sum}. DocumentID:{DocumentID}.}",
+                model.Id, model.Sum, model.DocumentId);
+        }
+    }
+}

LawFirm/LawFirmBusinessLogic/LawFirmBusinessLogic.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.Abstractions" Version="7.0.0" />
+	</ItemGroup>
+
+	<ItemGroup>
+    <ProjectReference Include="..\LawFirmContracts\LawFirmContracts.csproj" />
+  </ItemGroup>
+
+</Project>

LawFirm/LawFirmContracts/BindingModels/BlankBindingModel.cs

@@ -0,0 +1,11 @@
+using LawFirmDataModels.Models;
+
+namespace LawFirmContracts.BindingModels
+{
+    public class BlankBindingModel : IBlankModel
+    {
+        public int Id { get; set; }
+        public string BlankName { get; set; } = string.Empty;
+        public double Price { get; set; }
+    }
+}

LawFirm/LawFirmContracts/BindingModels/DocumentBindingModel.cs

@@ -0,0 +1,16 @@
+using LawFirmDataModels.Models;
+
+namespace LawFirmContracts.BindingModels
+{
+    public class DocumentBindingModel : IDocumentModel
+    {
+        public int Id { get; set; }
+        public string DocumentName { get; set; } = string.Empty;
+        public double Price { get; set; }
+        public Dictionary<int, (IBlankModel, int)> DocumentBlanks
+        {
+            get;
+            set;
+        } = new();
+    }
+}

LawFirm/LawFirmContracts/BindingModels/OrderBindingModel.cs

@@ -0,0 +1,16 @@
+using LawFirmDataModels.Enums;
+using LawFirmDataModels.Models;
+
+namespace LawFirmContracts.BindingModels
+{
+    public class OrderBindingModel : IOrderModel
+    {
+        public int Id { get; set; }
+        public int DocumentId { 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; }
+    }
+}

LawFirm/LawFirmContracts/BusinessLogicsContracts/IBlankLogic.cs

@@ -0,0 +1,15 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+
+namespace LawFirmContracts.BusinessLogicsContracts
+{
+    public interface IBlankLogic
+    {
+        List<BlankViewModel>? ReadList(BlankSearchModel? model);
+        BlankViewModel? ReadElement(BlankSearchModel model);
+        bool Create(BlankBindingModel model);
+        bool Update(BlankBindingModel model);
+        bool Delete(BlankBindingModel model);
+    }
+}

LawFirm/LawFirmContracts/BusinessLogicsContracts/IDocumentLogic.cs

@@ -0,0 +1,15 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+
+namespace LawFirmContracts.BusinessLogicsContracts
+{
+    public interface IDocumentLogic
+    {
+        List<DocumentViewModel>? ReadList(DocumentSearchModel? model);
+        DocumentViewModel? ReadElement(DocumentSearchModel model);
+        bool Create(DocumentBindingModel model);
+        bool Update(DocumentBindingModel model);
+        bool Delete(DocumentBindingModel model);
+    }
+}

LawFirm/LawFirmContracts/BusinessLogicsContracts/IOrderLogic.cs

@@ -0,0 +1,15 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+
+namespace LawFirmContracts.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);
+    }
+}

LawFirm/LawFirmContracts/LawFirmContracts.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="..\LawFirmDataModels\LawFirmDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

LawFirm/LawFirmContracts/SearchModels/BlankSearchModel.cs

@@ -0,0 +1,8 @@
+namespace LawFirmContracts.SearchModels
+{
+    public class BlankSearchModel
+    {
+        public int? Id { get; set; }
+        public string? BlankName { get; set; }
+    }
+}

LawFirm/LawFirmContracts/SearchModels/DocumentSearchModel.cs

@@ -0,0 +1,8 @@
+namespace LawFirmContracts.SearchModels
+{
+    public class DocumentSearchModel
+    {
+        public int? Id { get; set; }
+        public string? DocumentName { get; set; }
+    }
+}

LawFirm/LawFirmContracts/SearchModels/OrderSearchModel.cs

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

LawFirm/LawFirmContracts/StoragesContracts/IBlankStorage.cs

@@ -0,0 +1,16 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+
+namespace LawFirmContracts.StoragesContracts
+{
+    public interface IBlankStorage
+    {
+        List<BlankViewModel> GetFullList();
+        List<BlankViewModel> GetFilteredList(BlankSearchModel model);
+        BlankViewModel? GetElement(BlankSearchModel model);
+        BlankViewModel? Insert(BlankBindingModel model);
+        BlankViewModel? Update(BlankBindingModel model);
+        BlankViewModel? Delete(BlankBindingModel model);
+    }
+}

LawFirm/LawFirmContracts/StoragesContracts/IDocumentStorage.cs

@@ -0,0 +1,16 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+
+namespace LawFirmContracts.StoragesContracts
+{
+    public interface IDocumentStorage
+    {
+        List<DocumentViewModel> GetFullList();
+        List<DocumentViewModel> GetFilteredList(DocumentSearchModel model);
+        DocumentViewModel? GetElement(DocumentSearchModel model);
+        DocumentViewModel? Insert(DocumentBindingModel model);
+        DocumentViewModel? Update(DocumentBindingModel model);
+        DocumentViewModel? Delete(DocumentBindingModel model);
+    }
+}

LawFirm/LawFirmContracts/StoragesContracts/IOrderStorage.cs

@@ -0,0 +1,16 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.ViewModels;
+
+namespace LawFirmContracts.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);
+    }
+}

LawFirm/LawFirmContracts/ViewModels/BlankViewModel.cs

@@ -0,0 +1,14 @@
+using LawFirmDataModels.Models;
+using System.ComponentModel;
+
+namespace LawFirmContracts.ViewModels
+{
+    public class BlankViewModel : IBlankModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название бланка")]
+        public string BlankName { get; set; } = string.Empty;
+        [DisplayName("Цена")]
+        public double Price { get; set; }
+    }
+}

LawFirm/LawFirmContracts/ViewModels/DocumentViewModel.cs

@@ -0,0 +1,19 @@
+using LawFirmDataModels.Models;
+using System.ComponentModel;
+
+namespace LawFirmContracts.ViewModels
+{
+    public class DocumentViewModel : IDocumentModel
+    {
+        public int Id { get; set; }
+        [DisplayName("Название документа")]
+        public string DocumentName { get; set; } = string.Empty;
+        [DisplayName("Цена")]
+        public double Price { get; set; }
+        public Dictionary<int, (IBlankModel, int)> DocumentBlanks
+        {
+            get;
+            set;
+        } = new();
+    }
+}

LawFirm/LawFirmContracts/ViewModels/OrderViewModel.cs

@@ -0,0 +1,25 @@
+using LawFirmDataModels.Enums;
+using LawFirmDataModels.Models;
+using System.ComponentModel;
+
+namespace LawFirmContracts.ViewModels
+{
+    public class OrderViewModel : IOrderModel
+    {
+        [DisplayName("Номер")]
+        public int Id { get; set; }
+        public int DocumentId { get; set; }
+        [DisplayName("Документ")]
+        public string DocumentName { 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; }
+    }
+}

LawFirm/LawFirmDataModels/Enums/OrderStatus.cs

@@ -0,0 +1,11 @@
+namespace LawFirmDataModels.Enums
+{
+    public enum OrderStatus
+    {
+        Неизвестен = -1,
+        Принят = 0,
+        Выполняется = 1,
+        Готов = 2,
+        Выдан = 3,
+    }
+}

LawFirm/LawFirmDataModels/IId.cs

@@ -0,0 +1,7 @@
+namespace LawFirmDataModels
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}

LawFirm/LawFirmDataModels/LawFirmDataModels.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

LawFirm/LawFirmDataModels/Models/IBlankModel.cs

@@ -0,0 +1,10 @@
+using System.Security.Cryptography;
+
+namespace LawFirmDataModels.Models
+{
+    public interface IBlankModel : IId
+    {
+        string BlankName { get; }
+        double Price { get; }
+    }
+}

LawFirm/LawFirmDataModels/Models/IDocumentModel.cs

@@ -0,0 +1,11 @@
+using System.Security.Cryptography;
+
+namespace LawFirmDataModels.Models
+{
+    public interface IDocumentModel : IId
+    {
+        string DocumentName { get; }
+        double Price { get; }
+        Dictionary<int, (IBlankModel, int)> DocumentBlanks { get; }
+    }
+}

LawFirm/LawFirmDataModels/Models/IOrderModel.cs

@@ -0,0 +1,15 @@
+using LawFirmDataModels.Enums;
+using System.Security.Cryptography;
+
+namespace LawFirmDataModels.Models
+{
+    public interface IOrderModel : IId
+    {
+        int DocumentId { get; }
+        int Count { get; }
+        double Sum { get; }
+        OrderStatus Status { get; }
+        DateTime DateCreate { get; }
+        DateTime? DateImplement { get; }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Implements/BlankStorage.cs

@@ -0,0 +1,78 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmDatabaseImplement.Models;
+
+namespace LawFirmDatabaseImplement.Implements
+{
+    public class BlankStorage : IBlankStorage
+    {
+        public BlankViewModel? GetElement(BlankSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BlankName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new LawFirmDatabase();
+            return context.Blanks.FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.BlankName) && x.BlankName == model.BlankName)
+            || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+
+        }
+        public List<BlankViewModel> GetFilteredList(BlankSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BlankName))
+            {
+                return new();
+            }
+            using var context = new LawFirmDatabase();
+            return context.Blanks
+            .Where(x => x.BlankName.Contains(model.BlankName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<BlankViewModel> GetFullList()
+        {
+            using var context = new LawFirmDatabase();
+            return context.Blanks.Select(x => x.GetViewModel).ToList();
+        }
+        public BlankViewModel? Insert(BlankBindingModel model)
+        {
+            var newBlank = Blank.Create(model);
+            if (newBlank == null)
+            {
+                return null;
+            }
+            using var context = new LawFirmDatabase();
+            context.Blanks.Add(newBlank);
+            context.SaveChanges();
+            return newBlank.GetViewModel;
+
+        }
+        public BlankViewModel? Update(BlankBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var blank = context.Blanks.FirstOrDefault(x => x.Id == model.Id);
+            if (blank == null)
+            {
+                return null;
+            }
+            blank.Update(model);
+            context.SaveChanges();
+            return blank.GetViewModel;
+        }
+        public BlankViewModel? Delete(BlankBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var element = context.Blanks.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Blanks.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Implements/DocumentStorage.cs

@@ -0,0 +1,105 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace LawFirmDatabaseImplement.Implements
+{
+    public class DocumentStorage : IDocumentStorage
+    {
+        public List<DocumentViewModel> GetFullList()
+        {
+            using var context = new LawFirmDatabase();
+            return context.Documents
+             .Include(x => x.Blanks)
+            .ThenInclude(x => x.Blank)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<DocumentViewModel> GetFilteredList(DocumentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DocumentName))
+            {
+                return new();
+            }
+            using var context = new LawFirmDatabase();
+            return context.Documents
+             .Include(x => x.Blanks)
+            .ThenInclude(x => x.Blank)
+            .Where(x => x.DocumentName.Contains(model.DocumentName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public DocumentViewModel? GetElement(DocumentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DocumentName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new LawFirmDatabase();
+            return context.Documents
+             .Include(x => x.Blanks)
+             .ThenInclude(x => x.Blank)
+             .FirstOrDefault(x => (!string.IsNullOrEmpty(model.DocumentName) &&
+            x.DocumentName == model.DocumentName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+        public DocumentViewModel? Insert(DocumentBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var newDocument = Document.Create(context, model);
+            if (newDocument == null)
+            {
+                return null;
+            }
+            context.Documents.Add(newDocument);
+            context.SaveChanges();
+            return newDocument.GetViewModel;
+        }
+        public DocumentViewModel? Update(DocumentBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var product = context.Documents.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (product == null)
+                {
+                    return null;
+                }
+                product.Update(model);
+                context.SaveChanges();
+                product.UpdateBlanks(context, model);
+                transaction.Commit();
+                return product.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public DocumentViewModel? Delete(DocumentBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var element = context.Documents
+            .Include(x => x.Blanks)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Documents.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,76 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace LawFirmDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new LawFirmDatabase();
+            return context.Orders.Include(x => x.Document).FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new LawFirmDatabase();
+            return context.Orders
+            .Where(x => x.Id == model.Id)
+            .Include(x => x.Document)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new LawFirmDatabase();
+            return context.Orders.Include(x => x.Document).Select(x => x.GetViewModel).ToList();
+        }
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var newOrder = Order.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new LawFirmDatabase();
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return context.Orders.Include(x => x.Document).FirstOrDefault(x => x.Id == newOrder.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return context.Orders.Include(x => x.Document).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/LawFirmDatabase.cs

@@ -0,0 +1,21 @@
+using LawFirmDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace LawFirmDatabaseImplement
+{
+    public class LawFirmDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=localhost\SQLEXPRESS; Initial Catalog=LawFirmDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Blank> Blanks { set; get; }
+        public virtual DbSet<Document> Documents { set; get; }
+        public virtual DbSet<DocumentBlank> DocumentBlanks { set; get; }
+        public virtual DbSet<Order> Orders { set; get; }
+    }
+}

LawFirm/LawFirmDatabaseImplement/LawFirmDatabaseImplement.csproj

@@ -0,0 +1,24 @@
+<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.SqlServer" 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="..\LawFirmContracts\LawFirmContracts.csproj" />
+    <ProjectReference Include="..\LawFirmDataModels\LawFirmDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

LawFirm/LawFirmDatabaseImplement/Migrations/20240422203642_InitialCreate.Designer.cs

@@ -0,0 +1,171 @@
+// <auto-generated />
+using System;
+using LawFirmDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace LawFirmDatabaseImplement.Migrations
+{
+    [DbContext(typeof(LawFirmDatabase))]
+    [Migration("20240422203642_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Blank", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("BlankName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Blanks");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Document", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DocumentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Documents");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.DocumentBlank", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BlankId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("DocumentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BlankId");
+
+                    b.HasIndex("DocumentId");
+
+                    b.ToTable("DocumentBlanks");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("DocumentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DocumentId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.DocumentBlank", b =>
+                {
+                    b.HasOne("LawFirmDatabaseImplement.Models.Blank", "Blank")
+                        .WithMany("DocumentBlanks")
+                        .HasForeignKey("BlankId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("LawFirmDatabaseImplement.Models.Document", "Document")
+                        .WithMany("Blanks")
+                        .HasForeignKey("DocumentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Blank");
+
+                    b.Navigation("Document");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("LawFirmDatabaseImplement.Models.Document", "Document")
+                        .WithMany("Orders")
+                        .HasForeignKey("DocumentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Document");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Blank", b =>
+                {
+                    b.Navigation("DocumentBlanks");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Document", b =>
+                {
+                    b.Navigation("Blanks");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Migrations/20240422203642_InitialCreate.cs

@@ -0,0 +1,125 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace LawFirmDatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Blanks",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    BlankName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Blanks", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Documents",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DocumentName = table.Column<string>(type: "nvarchar(max)", nullable: false),
+                    Price = table.Column<double>(type: "float", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Documents", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "DocumentBlanks",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DocumentId = table.Column<int>(type: "int", nullable: false),
+                    BlankId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_DocumentBlanks", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_DocumentBlanks_Blanks_BlankId",
+                        column: x => x.BlankId,
+                        principalTable: "Blanks",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_DocumentBlanks_Documents_DocumentId",
+                        column: x => x.DocumentId,
+                        principalTable: "Documents",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Orders",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    DocumentId = table.Column<int>(type: "int", nullable: false),
+                    Count = table.Column<int>(type: "int", nullable: false),
+                    Sum = table.Column<double>(type: "float", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false),
+                    DateCreate = table.Column<DateTime>(type: "datetime2", nullable: false),
+                    DateImplement = table.Column<DateTime>(type: "datetime2", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Orders", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Orders_Documents_DocumentId",
+                        column: x => x.DocumentId,
+                        principalTable: "Documents",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DocumentBlanks_BlankId",
+                table: "DocumentBlanks",
+                column: "BlankId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_DocumentBlanks_DocumentId",
+                table: "DocumentBlanks",
+                column: "DocumentId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Orders_DocumentId",
+                table: "Orders",
+                column: "DocumentId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "DocumentBlanks");
+
+            migrationBuilder.DropTable(
+                name: "Orders");
+
+            migrationBuilder.DropTable(
+                name: "Blanks");
+
+            migrationBuilder.DropTable(
+                name: "Documents");
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Migrations/LawFirmDatabaseModelSnapshot.cs

@@ -0,0 +1,168 @@
+// <auto-generated />
+using System;
+using LawFirmDatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace LawFirmDatabaseImplement.Migrations
+{
+    [DbContext(typeof(LawFirmDatabase))]
+    partial class LawFirmDatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Blank", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("BlankName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Blanks");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Document", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("DocumentName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Documents");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.DocumentBlank", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("BlankId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<int>("DocumentId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BlankId");
+
+                    b.HasIndex("DocumentId");
+
+                    b.ToTable("DocumentBlanks");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Order", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("Count")
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("DateCreate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<DateTime?>("DateImplement")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int>("DocumentId")
+                        .HasColumnType("int");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("float");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("DocumentId");
+
+                    b.ToTable("Orders");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.DocumentBlank", b =>
+                {
+                    b.HasOne("LawFirmDatabaseImplement.Models.Blank", "Blank")
+                        .WithMany("DocumentBlanks")
+                        .HasForeignKey("BlankId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("LawFirmDatabaseImplement.Models.Document", "Document")
+                        .WithMany("Blanks")
+                        .HasForeignKey("DocumentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Blank");
+
+                    b.Navigation("Document");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Order", b =>
+                {
+                    b.HasOne("LawFirmDatabaseImplement.Models.Document", "Document")
+                        .WithMany("Orders")
+                        .HasForeignKey("DocumentId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Document");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Blank", b =>
+                {
+                    b.Navigation("DocumentBlanks");
+                });
+
+            modelBuilder.Entity("LawFirmDatabaseImplement.Models.Document", b =>
+                {
+                    b.Navigation("Blanks");
+
+                    b.Navigation("Orders");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Models/Blank.cs

@@ -0,0 +1,56 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace LawFirmDatabaseImplement.Models
+{
+    public class Blank : IBlankModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string BlankName { get; private set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        [ForeignKey("BlankId")]
+        public virtual List<DocumentBlank> DocumentBlanks { get; set; } = new();
+        public static Blank? Create(BlankBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Blank()
+            {
+                Id = model.Id,
+                BlankName = model.BlankName,
+                Price = model.Price
+            };
+        }
+        public static Blank Create(BlankViewModel model)
+        {
+            return new Blank
+            {
+                Id = model.Id,
+                BlankName = model.BlankName,
+                Price = model.Price
+            };
+        }
+        public void Update(BlankBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            BlankName = model.BlankName;
+            Price = model.Price;
+        }
+        public BlankViewModel GetViewModel => new()
+        {
+            Id = Id,
+            BlankName = BlankName,
+            Price = Price
+        };
+    }
+}

LawFirm/LawFirmDatabaseImplement/Models/Document.cs

@@ -0,0 +1,94 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace LawFirmDatabaseImplement.Models
+{
+    public class Document : IDocumentModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string DocumentName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IBlankModel, int)>? _documentBlanks = null;
+        [NotMapped]
+        public Dictionary<int, (IBlankModel, int)> DocumentBlanks
+        {
+            get
+            {
+                if (_documentBlanks == null)
+                {
+                    _documentBlanks = Blanks
+                    .ToDictionary(recPC => recPC.BlankId, recPC =>
+                   (recPC.Blank as IBlankModel, recPC.Count));
+                }
+                return _documentBlanks;
+            }
+        }
+        [ForeignKey("DocumentId")]
+        public virtual List<DocumentBlank> Blanks { get; set; } = new();
+        [ForeignKey("DocumentId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Document Create(LawFirmDatabase context, DocumentBindingModel model)
+        {
+            return new Document()
+            {
+                Id = model.Id,
+                DocumentName = model.DocumentName,
+                Price = model.Price,
+                Blanks = model.DocumentBlanks.Select(x => new DocumentBlank
+                {
+                    Blank = context.Blanks.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(DocumentBindingModel model)
+        {
+            DocumentName = model.DocumentName;
+            Price = model.Price;
+        }
+        public DocumentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DocumentName = DocumentName,
+            Price = Price,
+            DocumentBlanks = DocumentBlanks
+        };
+        public void UpdateBlanks(LawFirmDatabase context,
+            DocumentBindingModel model)
+        {
+            var documentBlanks = context.DocumentBlanks.Where(rec =>
+            rec.DocumentId == model.Id).ToList();
+            if (documentBlanks != null && documentBlanks.Count > 0)
+            { // удалили те, которых нет в модели
+                context.DocumentBlanks.RemoveRange(documentBlanks.Where(rec
+               => !model.DocumentBlanks.ContainsKey(rec.BlankId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateBlank in documentBlanks)
+                {
+                    updateBlank.Count =
+                   model.DocumentBlanks[updateBlank.BlankId].Item2;
+                    model.DocumentBlanks.Remove(updateBlank.BlankId);
+                }
+                context.SaveChanges();
+            }
+            var document = context.Documents.First(x => x.Id == Id);
+            foreach (var pc in model.DocumentBlanks)
+            {
+                context.DocumentBlanks.Add(new DocumentBlank
+                {
+                    Document = document,
+                    Blank = context.Blanks.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _documentBlanks = null;
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Models/DocumentBlank.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace LawFirmDatabaseImplement.Models
+{
+    public class DocumentBlank
+    {
+        public int Id { get; set; }
+        [Required]
+        public int DocumentId { get; set; }
+        [Required]
+        public int BlankId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Blank Blank { get; set; } = new();
+        public virtual Document Document { get; set; } = new();
+    }
+}

LawFirm/LawFirmDatabaseImplement/Models/Order.cs

@@ -0,0 +1,63 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Enums;
+using LawFirmDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace LawFirmDatabaseImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        [Required]
+        public int DocumentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        [Required]
+        public double Sum { get; set; }
+        [Required]
+        public OrderStatus Status { get; set; }
+        [Required]
+        public DateTime DateCreate { get; set; }
+        public DateTime? DateImplement { get; set; }
+        public int Id { get; set; }
+        public virtual Document Document { get; set; }
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                DocumentId = model.DocumentId,
+                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,
+            DocumentId = DocumentId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            DocumentName = Document.DocumentName
+        };
+    }
+}

LawFirm/LawFirmFileImplement/DataFileSingleton.cs

@@ -0,0 +1,55 @@
+using LawFirmFileImplement.Models;
+using System.Xml.Linq;
+
+namespace LawFirmFileImplement
+{
+    public class DataFileSingleton
+    {
+        private static DataFileSingleton? instance;
+        private readonly string BlankFileName = "Blank.xml";
+        private readonly string OrderFileName = "Order.xml";
+        private readonly string DocumentFileName = "Document.xml";
+        public List<Blank> Blanks { get; private set; }
+        public List<Order> Orders { get; private set; }
+        public List<Document> Documents { get; private set; }
+        public static DataFileSingleton GetInstance()
+        {
+            if (instance == null)
+            {
+                instance = new DataFileSingleton();
+            }
+            return instance;
+        }
+        public void SaveBlanks() => SaveData(Blanks, BlankFileName, "Blanks", x => x.GetXElement);
+        public void SaveDocuments() => SaveData(Documents, DocumentFileName, "Documents", x => x.GetXElement);
+        public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        private DataFileSingleton()
+        {
+            Blanks = LoadData(BlankFileName, "Blank", x => Blank.Create(x)!)!;
+            Documents = LoadData(DocumentFileName, "Document", x => Document.Create(x)!)!;
+            Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+        }
+        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);
+            }
+        }
+    }
+}

LawFirm/LawFirmFileImplement/Implements/BlankStorage.cs

@@ -0,0 +1,79 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmFileImplement.Models;
+
+namespace LawFirmFileImplement.Implements
+{
+    public class BlankStorage : IBlankStorage
+    {
+        private readonly DataFileSingleton source;
+        public BlankStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<BlankViewModel> GetFullList()
+        {
+            return source.Blanks.Select(x => x.GetViewModel).ToList();
+        }
+        public List<BlankViewModel> GetFilteredList(BlankSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BlankName))
+            {
+                return new();
+            }
+            return source.Blanks
+            .Where(x => x.BlankName.Contains(model.BlankName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public BlankViewModel? GetElement(BlankSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BlankName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Blanks
+            .FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.BlankName) &&
+            x.BlankName == model.BlankName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public BlankViewModel? Insert(BlankBindingModel model)
+        {
+            model.Id = source.Blanks.Count > 0 ? source.Blanks.Max(x => x.Id) + 1 : 1;
+            var newBlank = Blank.Create(model);
+            if (newBlank == null)
+            {
+                return null;
+            }
+            source.Blanks.Add(newBlank);
+            source.SaveBlanks();
+            return newBlank.GetViewModel;
+        }
+        public BlankViewModel? Update(BlankBindingModel model)
+        {
+            var component = source.Blanks.FirstOrDefault(x => x.Id == model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            source.SaveBlanks();
+            return component.GetViewModel;
+        }
+        public BlankViewModel? Delete(BlankBindingModel model)
+        {
+            var element = source.Blanks.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Blanks.Remove(element);
+                source.SaveBlanks();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmFileImplement/Implements/DocumentStorage.cs

@@ -0,0 +1,74 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmFileImplement.Models;
+
+namespace LawFirmFileImplement.Implements
+{
+    public class DocumentStorage : IDocumentStorage
+    {
+        private readonly DataFileSingleton source;
+        public DocumentStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<DocumentViewModel> GetFullList()
+        {
+            return source.Documents.Select(x => x.GetViewModel).ToList();
+        }
+        public List<DocumentViewModel> GetFilteredList(DocumentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DocumentName))
+            {
+                return new();
+            }
+            return source.Documents.Where(x =>
+                x.DocumentName.Contains(model.DocumentName)).Select(x => x.GetViewModel).ToList();
+        }
+        public DocumentViewModel? GetElement(DocumentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DocumentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Documents.FirstOrDefault(x =>
+                (!string.IsNullOrEmpty(model.DocumentName) && x.DocumentName ==
+                model.DocumentName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+        public DocumentViewModel? Insert(DocumentBindingModel model)
+        {
+            model.Id = source.Documents.Count > 0 ? source.Documents.Max(x => x.Id) + 1 : 1;
+            var newDocument = Document.Create(model);
+            if (newDocument == null)
+            {
+                return null;
+            }
+            source.Documents.Add(newDocument);
+            source.SaveDocuments();
+            return newDocument.GetViewModel;
+        }
+        public DocumentViewModel? Update(DocumentBindingModel model)
+        {
+            var document = source.Documents.FirstOrDefault(x => x.Id == model.Id);
+            if (document == null)
+            {
+                return null;
+            }
+            document.Update(model);
+            source.SaveDocuments();
+            return document.GetViewModel;
+        }
+        public DocumentViewModel? Delete(DocumentBindingModel model)
+        {
+            var element = source.Documents.FirstOrDefault(x => x.Id == model.Id);
+            if (element != null)
+            {
+                source.Documents.Remove(element);
+                source.SaveDocuments();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmFileImplement/Implements/OrderStorage.cs

@@ -0,0 +1,83 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmFileImplement.Models;
+
+namespace LawFirmFileImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly DataFileSingleton source;
+        public OrderStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            return source.Orders.Select(x => GetViewModel(x)).ToList();
+        }
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            return source.Orders.Where(x => x.Id.Equals(model.Id)).Select(x => GetViewModel(x)).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;
+        }
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            var document = source.Documents.FirstOrDefault(x => x.Id == order.DocumentId);
+            if (document != null)
+            {
+                viewModel.DocumentName = document.DocumentName;
+            }
+            return viewModel;
+        }
+        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 GetViewModel(newOrder);
+        }
+        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 GetViewModel(order);
+        }
+        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 GetViewModel(element);
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmFileImplement/LawFirmFileImplement.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="..\LawFirmContracts\LawFirmContracts.csproj" />
+    <ProjectReference Include="..\LawFirmDataModels\LawFirmDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

LawFirm/LawFirmFileImplement/Models/Blank.cs

@@ -0,0 +1,59 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+using System.Xml.Linq;
+
+namespace LawFirmFileImplement.Models
+{
+    public class Blank : IBlankModel
+    {
+        public int Id { get; private set; }
+        public string BlankName { get; private set; } = string.Empty;
+        public double Price { get; set; }
+        public static Blank? Create(BlankBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Blank()
+            {
+                Id = model.Id,
+                BlankName = model.BlankName,
+                Price = model.Price
+            };
+        }
+        public static Blank? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Blank()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                BlankName = element.Element("BlankName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value)
+            };
+        }
+        public void Update(BlankBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            BlankName = model.BlankName;
+            Price = model.Price;
+        }
+        public BlankViewModel GetViewModel => new()
+        {
+            Id = Id,
+            BlankName = BlankName,
+            Price = Price
+        };
+        public XElement GetXElement => new("Blank",
+        new XAttribute("Id", Id),
+        new XElement("BlankName", BlankName),
+        new XElement("Price", Price.ToString()));
+    }
+}

LawFirm/LawFirmFileImplement/Models/Document.cs

@@ -0,0 +1,90 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+using System.Xml.Linq;
+
+namespace LawFirmFileImplement.Models
+{
+    public class Document : IDocumentModel
+    {
+        public int Id { get; private set; }
+        public string DocumentName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, int> Blanks { get; private set; } = new();
+        private Dictionary<int, (IBlankModel, int)>? _documentBlanks = null;
+        public Dictionary<int, (IBlankModel, int)> DocumentBlanks
+        {
+            get
+            {
+                if (_documentBlanks == null)
+                {
+                    var source = DataFileSingleton.GetInstance();
+                    _documentBlanks = Blanks.ToDictionary(x => x.Key, y =>
+                    ((source.Blanks.FirstOrDefault(z => z.Id == y.Key) as IBlankModel)!,
+                    y.Value));
+                }
+                return _documentBlanks;
+            }
+        }
+        public static Document? Create(DocumentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Document()
+            {
+                Id = model.Id,
+                DocumentName = model.DocumentName,
+                Price = model.Price,
+                Blanks = model.DocumentBlanks.ToDictionary(x => x.Key, x
+               => x.Value.Item2)
+            };
+        }
+        public static Document? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Document()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                DocumentName = element.Element("DocumentName")!.Value,
+                Price = Convert.ToDouble(element.Element("Price")!.Value),
+                Blanks =
+           element.Element("DocumentBlanks")!.Elements("DocumentBlank")
+            .ToDictionary(x =>
+           Convert.ToInt32(x.Element("Key")?.Value), x =>
+           Convert.ToInt32(x.Element("Value")?.Value))
+            };
+        }
+        public void Update(DocumentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            DocumentName = model.DocumentName;
+            Price = model.Price;
+            Blanks = model.DocumentBlanks.ToDictionary(x => x.Key, x =>
+           x.Value.Item2);
+            _documentBlanks = null;
+        }
+        public DocumentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DocumentName = DocumentName,
+            Price = Price,
+            DocumentBlanks = DocumentBlanks
+        };
+        public XElement GetXElement => new("Document",
+        new XAttribute("Id", Id),
+        new XElement("DocumentName", DocumentName),
+        new XElement("Price", Price.ToString()),
+        new XElement("DocumentBlanks", Blanks.Select(x =>
+        new XElement("DocumentBlank",
+        new XElement("Key", x.Key),
+        new XElement("Value", x.Value))).ToArray()));
+    }
+}

LawFirm/LawFirmFileImplement/Models/Order.cs

@@ -0,0 +1,87 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Enums;
+using LawFirmDataModels.Models;
+using System.Xml.Linq;
+
+namespace LawFirmFileImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int DocumentId { 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,
+                DocumentId = model.DocumentId,
+                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),
+                DocumentId = Convert.ToInt32(element.Element("DocumentId")!.Value),
+                Count = Convert.ToInt32(element.Element("Count")!.Value),
+                Sum = Convert.ToDouble(element.Element("Sum")!.Value),
+                DateCreate = DateTime.ParseExact(element.Element("DateCreate")!.Value, "G", null),
+            };
+            DateTime.TryParse(element.Element("DateImplement")!.Value, out DateTime dateImpl);
+            order.DateImplement = dateImpl;
+
+            if (!Enum.TryParse(element.Element("Status")!.Value, out OrderStatus status))
+            {
+                return null;
+            }
+            order.Status = status;
+            return order;
+        }
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+        public OrderViewModel GetViewModel => new()
+        {
+            DocumentId = DocumentId,
+            Count = Count,
+            Sum = Sum,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            Id = Id,
+            Status = Status,
+        };
+        public XElement GetXElement => new("Order",
+          new XAttribute("Id", Id),
+          new XElement("DocumentId", DocumentId),
+          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()));
+    }
+}

LawFirm/LawFirmListImplement/DataListSingleton.cs

@@ -0,0 +1,26 @@
+using LawFirmListImplement.Models;
+
+namespace LawFirmListImplement
+{
+    public class DataListSingleton
+    {
+        private static DataListSingleton? _instance;
+        public List<Blank> Blanks { get; set; }
+        public List<Order> Orders { get; set; }
+        public List<Document> Documents { get; set; }
+        private DataListSingleton()
+        {
+            Blanks = new List<Blank>();
+            Orders = new List<Order>();
+            Documents = new List<Document>();
+        }
+        public static DataListSingleton GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new DataListSingleton();
+            }
+            return _instance;
+        }
+    }
+}

LawFirm/LawFirmListImplement/Implements/BlankStorage.cs

@@ -0,0 +1,102 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmListImplement.Models;
+
+namespace LawFirmListImplement.Implements
+{
+    public class BlankStorage : IBlankStorage
+    {
+        private readonly DataListSingleton _source;
+        public BlankStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+        public List<BlankViewModel> GetFullList()
+        {
+            var result = new List<BlankViewModel>();
+            foreach (var blank in _source.Blanks)
+            {
+                result.Add(blank.GetViewModel);
+            }
+            return result;
+        }
+        public List<BlankViewModel> GetFilteredList(BlankSearchModel model)
+        {
+            var result = new List<BlankViewModel>();
+            if (string.IsNullOrEmpty(model.BlankName))
+            {
+                return result;
+            }
+            foreach (var component in _source.Blanks)
+            {
+                if (component.BlankName.Contains(model.BlankName))
+                {
+                    result.Add(component.GetViewModel);
+                }
+            }
+            return result;
+        }
+        public BlankViewModel? GetElement(BlankSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.BlankName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            foreach (var component in _source.Blanks)
+            {
+                if ((!string.IsNullOrEmpty(model.BlankName) &&
+               component.BlankName == model.BlankName) ||
+                (model.Id.HasValue && component.Id == model.Id))
+                {
+                    return component.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public BlankViewModel? Insert(BlankBindingModel model)
+        {
+            model.Id = 1;
+            foreach (var blank in _source.Blanks)
+            {
+                if (model.Id <= blank.Id)
+                {
+                    model.Id = blank.Id + 1;
+                }
+            }
+            var newBlank = Blank.Create(model);
+            if (newBlank == null)
+            {
+                return null;
+            }
+            _source.Blanks.Add(newBlank);
+            return newBlank.GetViewModel;
+        }
+        public BlankViewModel? Update(BlankBindingModel model)
+        {
+            foreach (var blank in _source.Blanks)
+            {
+                if (blank.Id == model.Id)
+                {
+                    blank.Update(model);
+                    return blank.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public BlankViewModel? Delete(BlankBindingModel model)
+        {
+            for (int i = 0; i < _source.Blanks.Count; ++i)
+            {
+                if (_source.Blanks[i].Id == model.Id)
+                {
+                    var element = _source.Blanks[i];
+                    _source.Blanks.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmListImplement/Implements/DocumentStorage.cs

@@ -0,0 +1,102 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmListImplement.Models;
+
+namespace LawFirmListImplement.Implements
+{
+    public class DocumentStorage : IDocumentStorage
+    {
+        private readonly DataListSingleton _source;
+        public DocumentStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+        public List<DocumentViewModel> GetFullList()
+        {
+            var result = new List<DocumentViewModel>();
+            foreach (var blank in _source.Documents)
+            {
+                result.Add(blank.GetViewModel);
+            }
+            return result;
+        }
+        public List<DocumentViewModel> GetFilteredList(DocumentSearchModel model)
+        {
+            var result = new List<DocumentViewModel>();
+            if (string.IsNullOrEmpty(model.DocumentName))
+            {
+                return result;
+            }
+            foreach (var component in _source.Documents)
+            {
+                if (component.DocumentName.Contains(model.DocumentName))
+                {
+                    result.Add(component.GetViewModel);
+                }
+            }
+            return result;
+        }
+        public DocumentViewModel? GetElement(DocumentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.DocumentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            foreach (var component in _source.Documents)
+            {
+                if ((!string.IsNullOrEmpty(model.DocumentName) &&
+                component.DocumentName == model.DocumentName) ||
+                (model.Id.HasValue && component.Id == model.Id))
+                {
+                    return component.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public DocumentViewModel? Insert(DocumentBindingModel model)
+        {
+            model.Id = 1;
+            foreach (var blank in _source.Documents)
+            {
+                if (model.Id <= blank.Id)
+                {
+                    model.Id = blank.Id + 1;
+                }
+            }
+            var newDocument = Document.Create(model);
+            if (newDocument == null)
+            {
+                return null;
+            }
+            _source.Documents.Add(newDocument);
+            return newDocument.GetViewModel;
+        }
+        public DocumentViewModel? Update(DocumentBindingModel model)
+        {
+            foreach (var blank in _source.Documents)
+            {
+                if (blank.Id == model.Id)
+                {
+                    blank.Update(model);
+                    return blank.GetViewModel;
+                }
+            }
+            return null;
+        }
+        public DocumentViewModel? Delete(DocumentBindingModel model)
+        {
+            for (int i = 0; i < _source.Documents.Count; ++i)
+            {
+                if (_source.Documents[i].Id == model.Id)
+                {
+                    var element = _source.Documents[i];
+                    _source.Documents.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+    }
+}

LawFirm/LawFirmListImplement/Implements/OrderStorage.cs

@@ -0,0 +1,113 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StoragesContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmListImplement.Models;
+
+namespace LawFirmListImplement.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 blank in _source.Orders)
+            {
+                result.Add(GetViewModel(blank));
+            }
+            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 (order.Id == model.Id)
+                {
+                    result.Add(GetViewModel(order));
+                }
+            }
+            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 GetViewModel(order);
+                }
+            }
+            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 GetViewModel(newOrder);
+        }
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            foreach (var order in _source.Orders)
+            {
+                if (order.Id == model.Id)
+                {
+                    order.Update(model);
+                    return GetViewModel(order);
+                }
+            }
+            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 GetViewModel(element);
+                }
+            }
+            return null;
+        }
+        private OrderViewModel GetViewModel(Order order)
+        {
+            var viewModel = order.GetViewModel;
+            foreach (var document in _source.Documents)
+            {
+                if (document.Id == order.DocumentId)
+                {
+                    viewModel.DocumentName = document.DocumentName;
+                    break;
+                }
+            }
+            return viewModel;
+        }
+    }
+}

LawFirm/LawFirmListImplement/LawFirmListImplement.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="..\LawFirmContracts\LawFirmContracts.csproj" />
+    <ProjectReference Include="..\LawFirmDataModels\LawFirmDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

LawFirm/LawFirmListImplement/Models/Blank.cs

@@ -0,0 +1,41 @@
+using LawFirmDataModels.Models;
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+
+namespace LawFirmListImplement.Models
+{
+    public class Blank : IBlankModel
+    {
+        public int Id { get; private set; }
+        public string BlankName { get; private set; } = string.Empty;
+        public double Price { get; set; }
+        public static Blank? Create(BlankBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Blank()
+            {
+                Id = model.Id,
+                BlankName = model.BlankName,
+                Price = model.Price
+            };
+        }
+        public void Update(BlankBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            BlankName = model.BlankName;
+            Price = model.Price;
+        }
+        public BlankViewModel GetViewModel => new()
+        {
+            Id = Id,
+            BlankName = BlankName,
+            Price = Price
+        };
+    }
+}

LawFirm/LawFirmListImplement/Models/Document.cs

@@ -0,0 +1,49 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Models;
+
+namespace LawFirmListImplement.Models
+{
+    public class Document : IDocumentModel
+    {
+        public int Id { get; private set; }
+        public string DocumentName { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public Dictionary<int, (IBlankModel, int)> DocumentBlanks
+        {
+            get;
+            private set;
+        } = new Dictionary<int, (IBlankModel, int)>();
+        public static Document? Create(DocumentBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Document()
+            {
+                Id = model.Id,
+                DocumentName = model.DocumentName,
+                Price = model.Price,
+                DocumentBlanks = model.DocumentBlanks
+            };
+        }
+        public void Update(DocumentBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            DocumentName = model.DocumentName;
+            Price = model.Price;
+            DocumentBlanks = model.DocumentBlanks;
+        }
+        public DocumentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            DocumentName = DocumentName,
+            Price = Price,
+            DocumentBlanks = DocumentBlanks
+        };
+    }
+}

LawFirm/LawFirmListImplement/Models/Order.cs

@@ -0,0 +1,54 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.Enums;
+using LawFirmDataModels.Models;
+
+namespace LawFirmListImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public int DocumentId { 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,
+                DocumentId = model.DocumentId,
+                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,
+            DocumentId = DocumentId,
+            Count = Count,
+            Sum = Sum,
+            Status = Status,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement
+        };
+    }
+}