Lab2

ProjectItCompany/ProjectItCompany/Entities/Contract.cs

@@ -12,7 +12,7 @@ public class Contract
     public int Id { get; private set; }
     public DateTime Date { get; private set; } 
     public decimal ProjectId { get; private set; }
-    public IEnumerable<CustomerOnProject> CustomerId
+    public IEnumerable<CustomerOnProject> CustomerOnContract
     {
         get;
         private set;
@@ -25,7 +25,7 @@ public class Contract
             Id = id,
             Date = date,
             ProjectId = projectid,
-            CustomerId = customerOnContract
+            CustomerOnContract = customerOnContract
         };
     }
 }

ProjectItCompany/ProjectItCompany/Entities/CustomerOnProject.cs

@@ -10,17 +10,17 @@ namespace ProjectItCompany.Entities;
 public class CustomerOnProject
 {
     public int Id { get; private set; }
-    public decimal ContractId { get; private set; }
-    public decimal CustomerId { get; private set; }
+    public int ContractId { get; private set; }
+    public int CustomerId { get; private set; }
     public string Description { get; private set; } = string.Empty;
-    public static CustomerOnProject CreateElement(int id, decimal contractId, decimal customerid, string description)
+    public static CustomerOnProject CreateElement(int id, int contractId, int customerid, string descriptio)
     {
         return new CustomerOnProject
         {
             Id = id,
             ContractId = contractId,
             CustomerId = customerid,
-            Description = description
+            Description = descriptio
         };
     }
 }

ProjectItCompany/ProjectItCompany/Forms/FormContract.Designer.cs

@@ -32,15 +32,17 @@
             ButtonCancel = new Button();
             groupBoxContract = new GroupBox();
             dataGridViewContract = new DataGridView();
-            ColumnProject = new DataGridViewComboBoxColumn();
+            labelProject = new Label();
+            comboBoxProject = new ComboBox();
             ColumnCustomer = new DataGridViewComboBoxColumn();
+            ColumnDescription = new DataGridViewTextBoxColumn();
             groupBoxContract.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)dataGridViewContract).BeginInit();
             SuspendLayout();
             // 
             // ButtonSave
             // 
-            ButtonSave.Location = new Point(68, 254);
+            ButtonSave.Location = new Point(68, 294);
             ButtonSave.Name = "ButtonSave";
             ButtonSave.Size = new Size(75, 23);
             ButtonSave.TabIndex = 11;
@@ -50,7 +52,7 @@
             // 
             // ButtonCancel
             // 
-            ButtonCancel.Location = new Point(245, 255);
+            ButtonCancel.Location = new Point(245, 293);
             ButtonCancel.Name = "ButtonCancel";
             ButtonCancel.Size = new Size(75, 23);
             ButtonCancel.TabIndex = 12;
@@ -61,7 +63,7 @@
             // groupBoxContract
             // 
             groupBoxContract.Controls.Add(dataGridViewContract);
-            groupBoxContract.Location = new Point(12, 12);
+            groupBoxContract.Location = new Point(12, 43);
             groupBoxContract.Name = "groupBoxContract";
             groupBoxContract.Size = new Size(375, 237);
             groupBoxContract.TabIndex = 13;
@@ -74,7 +76,7 @@
             dataGridViewContract.AllowUserToResizeRows = false;
             dataGridViewContract.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
             dataGridViewContract.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
-            dataGridViewContract.Columns.AddRange(new DataGridViewColumn[] { ColumnProject, ColumnCustomer });
+            dataGridViewContract.Columns.AddRange(new DataGridViewColumn[] { ColumnCustomer, ColumnDescription });
             dataGridViewContract.Dock = DockStyle.Right;
             dataGridViewContract.Location = new Point(3, 19);
             dataGridViewContract.MultiSelect = false;
@@ -85,21 +87,42 @@
             dataGridViewContract.Size = new Size(369, 215);
             dataGridViewContract.TabIndex = 0;
             // 
-            // ColumnProject
+            // labelProject
             // 
-            ColumnProject.HeaderText = "Проект";
-            ColumnProject.Name = "ColumnProject";
+            labelProject.AutoSize = true;
+            labelProject.Location = new Point(15, 17);
+            labelProject.Name = "labelProject";
+            labelProject.Size = new Size(47, 15);
+            labelProject.TabIndex = 14;
+            labelProject.Text = "Проект";
+            // 
+            // comboBoxProject
+            // 
+            comboBoxProject.FormattingEnabled = true;
+            comboBoxProject.Location = new Point(96, 14);
+            comboBoxProject.Name = "comboBoxProject";
+            comboBoxProject.Size = new Size(224, 23);
+            comboBoxProject.TabIndex = 15;
             // 
             // ColumnCustomer
             // 
             ColumnCustomer.HeaderText = "Заказчик";
             ColumnCustomer.Name = "ColumnCustomer";
             // 
+            // ColumnDescription
+            // 
+            ColumnDescription.HeaderText = "Описание";
+            ColumnDescription.Name = "ColumnDescription";
+            ColumnDescription.Resizable = DataGridViewTriState.True;
+            ColumnDescription.SortMode = DataGridViewColumnSortMode.NotSortable;
+            // 
             // FormContract
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(399, 286);
+            ClientSize = new Size(399, 331);
+            Controls.Add(comboBoxProject);
+            Controls.Add(labelProject);
             Controls.Add(groupBoxContract);
             Controls.Add(ButtonCancel);
             Controls.Add(ButtonSave);
@@ -109,6 +132,7 @@
             groupBoxContract.ResumeLayout(false);
             ((System.ComponentModel.ISupportInitialize)dataGridViewContract).EndInit();
             ResumeLayout(false);
+            PerformLayout();
         }
 
         #endregion
@@ -120,7 +144,9 @@
         private Button ButtonCancel;
         private GroupBox groupBoxContract;
         private DataGridView dataGridViewContract;
-        private DataGridViewComboBoxColumn ColumnProject;
+        private Label labelProject;
+        private ComboBox comboBoxProject;
         private DataGridViewComboBoxColumn ColumnCustomer;
+        private DataGridViewTextBoxColumn ColumnDescription;
     }
 }

ProjectItCompany/ProjectItCompany/Forms/FormContract.cs

@@ -24,9 +24,9 @@ namespace ProjectItCompany.Forms
             InitializeComponent();
             _contractRepository = contractRepository ?? throw new ArgumentNullException(nameof(contractRepository));
 
-            ColumnProject.DataSource = projectRepository.ReadProjects();
-            ColumnProject.DisplayMember = "NameProject";
-            ColumnProject.ValueMember = "Id";
+            comboBoxProject.DataSource = projectRepository.ReadProjects();
+            comboBoxProject.DisplayMember = "NameProject";
+            comboBoxProject.ValueMember = "Id";
 
             ColumnCustomer.DataSource = customerRepository.ReadCustomers();
             ColumnCustomer.DisplayMember = "NameCustomer";
@@ -41,7 +41,7 @@ namespace ProjectItCompany.Forms
                 {
                     throw new Exception("Имеются незаполненные поля");
                 }
-                _contractRepository.CreateContract(Contract.CreateOpeartion(0, DateTime.Now, 0, CreateListExecutorOnProject()));
+                _contractRepository.CreateContract(Contract.CreateOpeartion(0, DateTime.Now, (int)comboBoxProject.SelectedValue, CreateListExecutorOnProject()));
                 Close();
             }
             catch (Exception ex)
@@ -58,13 +58,13 @@ namespace ProjectItCompany.Forms
             var list = new List<Entities.CustomerOnProject>();
             foreach (DataGridViewRow row in dataGridViewContract.Rows)
             {
-                if (row.Cells["ColumnProject"].Value == null ||
-                row.Cells["ColumnCustomer"].Value == null)
+                if (row.Cells["ColumnCustomer"].Value == null ||
+                row.Cells["ColumnDescription"].Value == null)
                 {
                     continue;
                 }
-                list.Add(Entities.CustomerOnProject.CreateElement(0,
-                Convert.ToInt32(row.Cells["ColumnProject"].Value), Convert.ToInt32(row.Cells["ColumnCustomer"].Value), string.Empty));
+                list.Add(Entities.CustomerOnProject.CreateElement(0, 0,
+                Convert.ToInt32(row.Cells["ColumnCustomer"].Value), row.Cells["ColumnDescription"].Value?.ToString()));
             }
             return list;
         }

ProjectItCompany/ProjectItCompany/Forms/FormContract.resx

@@ -117,7 +117,7 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
-  <metadata name="ColumnProject.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+  <metadata name="ColumnCustomer.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
 </root>

ProjectItCompany/ProjectItCompany/Forms/FormCustomers.Designer.cs

@@ -95,7 +95,6 @@
             dataGridView.MultiSelect = false;
             dataGridView.Name = "dataGridView";
             dataGridView.ReadOnly = true;
-            dataGridView.RowHeadersVisible = false;
             dataGridView.RowTemplate.Height = 25;
             dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
             dataGridView.Size = new Size(580, 427);

ProjectItCompany/ProjectItCompany/Forms/FormCustomers.resx

@@ -1140,7 +1140,7 @@
   <data name="ButtonDelete.BackgroundImage" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAAAgAAAAIACAYAAAD0eNT6AAAABGdBTUEAALGPC/xhBQAAAAlwSFlzAAAO
-        vwAADr8BOAVTJAAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAD8lSURBVHhe7d0H
+        vgAADr4B6kKxwAAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAD8lSURBVHhe7d0H
         nFTlufjxiRqxd4PtRk2MGjWxEDUq7MxO3QEhatxoLFhQbFGwgWJbFRRjBSsKoogNFVOvsaWbm+v1aqJR
         k39u7EmMjaLUnXOe/3OGdwLOvsiWKec95/f7fL4hssvuzJxz3uedYdlNEFG4kykDPi8/PGAreTS1R+ej
         LfnSoy3f8R5NjvRmt4xVV6pbvdmD7vNnt/zQf3TQk6XZLb/zZief8x5p+au+7XX1UZWlSqoEv/fp93uk

ProjectItCompany/ProjectItCompany/Forms/FormExecutor.Designer.cs

@@ -85,9 +85,12 @@
             // numericUpDownHourlyRate
             // 
             numericUpDownHourlyRate.Location = new Point(136, 84);
+            numericUpDownHourlyRate.Maximum = new decimal(new int[] { 1000000, 0, 0, 0 });
+            numericUpDownHourlyRate.Minimum = new decimal(new int[] { 100, 0, 0, 0 });
             numericUpDownHourlyRate.Name = "numericUpDownHourlyRate";
             numericUpDownHourlyRate.Size = new Size(151, 23);
             numericUpDownHourlyRate.TabIndex = 5;
+            numericUpDownHourlyRate.Value = new decimal(new int[] { 100, 0, 0, 0 });
             // 
             // ButtonSave
             // 

ProjectItCompany/ProjectItCompany/Forms/FormExecutor.cs

@@ -80,6 +80,6 @@ namespace ProjectItCompany.Forms
 
         private void ButtonCancel_Click(object sender, EventArgs e) => Close();
 
-        private Executor CreateExecutor(int id) => Executor.CreateEntity(id, textBoxFullName.Text, dateTimePickerDateOfBirth.Value, numericUpDownHourlyRate.Value, Entities.Enums.JobTitles.Analyst);
+        private Executor CreateExecutor(int id) => Executor.CreateEntity(id, textBoxFullName.Text, dateTimePickerDateOfBirth.Value, numericUpDownHourlyRate.Value, (JobTitles)comboBoxJobTitle.SelectedItem!);
     }
 }

ProjectItCompany/ProjectItCompany/Forms/FormExecutors.Designer.cs

@@ -51,7 +51,6 @@
             dataGridView.MultiSelect = false;
             dataGridView.Name = "dataGridView";
             dataGridView.ReadOnly = true;
-            dataGridView.RowHeadersVisible = false;
             dataGridView.RowTemplate.Height = 25;
             dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
             dataGridView.Size = new Size(638, 450);
@@ -111,6 +110,7 @@
             Name = "FormExecutors";
             StartPosition = FormStartPosition.CenterParent;
             Text = "Исполнители";
+            Load += FormExecutors_Load;
             ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
             panel1.ResumeLayout(false);
             ResumeLayout(false);

ProjectItCompany/ProjectItCompany/Forms/FormExecutors.resx

@@ -121,7 +121,7 @@
   <data name="ButtonUpd.BackgroundImage" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAABLAAAASwCAIAAABkQySYAAAABGdBTUEAALGPC/xhBQAAAAlwSFlzAAAO
-        wQAADsEBuJFr7QAA/7JJREFUeF7s/UlsbUua74fxNtlXZr16neBnC7b8BEiC5YGggXsJFmDA8MywbAuQ
+        vQAADr0BR/uQrQAA/7JJREFUeF7s/UlsbUua74fxNtlXZr16neBnC7b8BEiC5YGggXsJFmDA8MywbAuQ
         ZFgTTeyJAQHWxJAnHnhgAxbgRjZgCLAnBoSnga2np6rK9vb3Ztar0itVVWZlZXfzno49D09/zqV/Eb9v
         fwzuvcnDQ/Jwr334/UAEvogVK1asWGtF/P97bZIbR0VRFEVRFEVRFMWNpAxhURRFURRFURTFDaUMYVEU
         RVEURVEUxQ2lDGFRFEVRFEVRFMUNpQxhURRFURRFURTFDaUMYVEURVEURVEUxQ2lDGFRFEVRFEVRFMUN
@@ -6527,7 +6527,7 @@
   <data name="ButtonDelete.BackgroundImage" type="System.Drawing.Bitmap, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
         iVBORw0KGgoAAAANSUhEUgAAAgAAAAIACAYAAAD0eNT6AAAABGdBTUEAALGPC/xhBQAAAAlwSFlzAAAO
-        vQAADr0BR/uQrQAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAD8lSURBVHhe7d0H
+        vAAADrwBlbxySQAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vuPBoAAD8lSURBVHhe7d0H
         nFTlufjxiRqxd4PtRk2MGjWxEDUq7MxO3QEhatxoLFhQbFGwgWJbFRRjBSsKoogNFVOvsaWbm+v1aqJR
         k39u7EmMjaLUnXOe/3OGdwLOvsiWKec95/f7fL4hssvuzJxz3uedYdlNEFG4kykDPi8/PGAreTS1R+ej
         LfnSoy3f8R5NjvRmt4xVV6pbvdmD7vNnt/zQf3TQk6XZLb/zZief8x5p+au+7XX1UZWlSqoEv/fp93uk

ProjectItCompany/ProjectItCompany/Forms/FormProject.cs

@@ -49,10 +49,20 @@ namespace ProjectItCompany.Forms
                 }
             }
         }
-        public FormProject(IProjectRepository projectRepository)
+        public FormProject(IProjectRepository projectRepository, ICustomerRepository customerRepository)
         {
             InitializeComponent();
             _projectRepository = projectRepository ?? throw new ArgumentNullException(nameof(projectRepository));
+
+            comboBoxCustomer.DataSource = customerRepository.ReadCustomers();
+            comboBoxCustomer.DisplayMember = "NameCustomer";
+            comboBoxCustomer.ValueMember = "Id";
+
+            foreach (var elem in Enum.GetValues(typeof(CompletedStages)))
+            {
+                checkedListBoxCompletedStage.Items.Add(elem);
+            }
+
         }
 
         private void ButtonSave_Click(object sender, EventArgs e)

ProjectItCompany/ProjectItCompany/Forms/FormWage.Designer.cs

@@ -81,13 +81,17 @@
             // numericUpDownYear
             // 
             numericUpDownYear.Location = new Point(130, 32);
+            numericUpDownYear.Maximum = new decimal(new int[] { 2200, 0, 0, 0 });
+            numericUpDownYear.Minimum = new decimal(new int[] { 1950, 0, 0, 0 });
             numericUpDownYear.Name = "numericUpDownYear";
             numericUpDownYear.Size = new Size(120, 23);
             numericUpDownYear.TabIndex = 5;
+            numericUpDownYear.Value = new decimal(new int[] { 1950, 0, 0, 0 });
             // 
             // numericUpDownNumberOfHours
             // 
             numericUpDownNumberOfHours.Location = new Point(130, 60);
+            numericUpDownNumberOfHours.Maximum = new decimal(new int[] { 100000000, 0, 0, 0 });
             numericUpDownNumberOfHours.Name = "numericUpDownNumberOfHours";
             numericUpDownNumberOfHours.Size = new Size(120, 23);
             numericUpDownNumberOfHours.TabIndex = 6;
@@ -145,7 +149,7 @@
             Controls.Add(labelMonth);
             Name = "FormWage";
             StartPosition = FormStartPosition.CenterParent;
-            Text = "FormWage";
+            Text = "Зарплата";
             ((System.ComponentModel.ISupportInitialize)numericUpDownYear).EndInit();
             ((System.ComponentModel.ISupportInitialize)numericUpDownNumberOfHours).EndInit();
             ResumeLayout(false);

ProjectItCompany/ProjectItCompany/Program.cs

@@ -1,7 +1,11 @@
 using Unity.Lifetime;
 using Unity;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 using ProjectItCompany.Repositories;
 using ProjectItCompany.Repositories.Implementations;
+using Unity.Microsoft.Logging;
+using Serilog;
 
 namespace ProjectItCompany
 {
@@ -22,13 +26,27 @@ namespace ProjectItCompany
         private static IUnityContainer CreateContainer()
         {
             var container = new UnityContainer();
+
+            container.AddExtension(new LoggingExtension(CreateLoggerFactory()));
+
             container.RegisterType<ICustomerRepository, CustomerRepository>(new TransientLifetimeManager());
             container.RegisterType<IExecutorRepository, ExecutorRepository>(new TransientLifetimeManager());
             container.RegisterType<IProjectRepository, ProjectRepository>(new TransientLifetimeManager());
             container.RegisterType<IWageRepository, WageRepository>(new TransientLifetimeManager());
             container.RegisterType<IContractRepository, ContractRepository>(new TransientLifetimeManager());
+            container.RegisterType<IConnectionString, ConnectionString>();
             return container;
         }
 
+        private static LoggerFactory CreateLoggerFactory()
+        {
+            var loggerFactory = new LoggerFactory();
+            loggerFactory.AddSerilog(new LoggerConfiguration()
+                .ReadFrom.Configuration(new ConfigurationBuilder()
+                .AddJsonFile("appsettings.json")
+                .Build())
+                .CreateLogger());
+            return loggerFactory;
+        }
     }
 }

ProjectItCompany/ProjectItCompany/ProjectItCompany.csproj

@@ -10,7 +10,18 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.1.35" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="5.0.8" />
+    <PackageReference Include="Npgsql" Version="6.0.0" />
+    <PackageReference Include="Serilog" Version="4.2.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="7.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="7.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageReference Include="Unity" Version="5.11.10" />
+    <PackageReference Include="Unity.Microsoft.Logging" Version="5.11.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -28,4 +39,10 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

ProjectItCompany/ProjectItCompany/Repositories/IConnectionString.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectItCompany.Repositories;
+
+public interface IConnectionString
+{
+    string ConnectionString { get; }
+}

ProjectItCompany/ProjectItCompany/Repositories/Implementations/ConnectionString.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectItCompany.Repositories.Implementations;
+public class ConnectionString : IConnectionString
+{
+    string IConnectionString.ConnectionString => "Server=localhost, 5432; Database=itcompanyotp;Uid=postgres;Pwd=marva;";
+}

ProjectItCompany/ProjectItCompany/Repositories/Implementations/ContractRepository.cs

@@ -1,26 +1,95 @@
-using ProjectItCompany.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectItCompany.Entities;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.Contracts;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using Unity;
 
 namespace ProjectItCompany.Repositories.Implementations;
 
-internal class ContractRepository : IContractRepository
+public class ContractRepository : IContractRepository
 {
-    public void CreateContract(Contract contract)
-    {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<ContractRepository> _logger;
 
+    public ContractRepository(IConnectionString connectionString, ILogger<ContractRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
+    public void CreateContract(Entities.Contract contract)
+    {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(contract));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            connection.Open();
+            using var transaction = connection.BeginTransaction();
+            var queryInsert = @"INSERT INTO contract (Date, ProjectId)
+                                VALUES (@Date, @ProjectId);
+                                SELECT MAX(Id) FROM contract";
+            var feedReplenishmentId = connection.QueryFirst<int>(queryInsert, contract, transaction);
+            var querySubInsert = @"INSERT INTO customeronproject (Description, ContractId, CustomerId)
+                                    VALUES ( @Description, @ContractId,@CustomerId)";
+            foreach (var elem in contract.CustomerOnContract)
+            {
+                connection.Execute(querySubInsert, new
+                {
+                    elem.ContractId,
+                    elem.Description,
+                    elem.CustomerId
+                }, transaction);
+            }
+            transaction.Commit();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteContract(int id)
     {
-        
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"DELETE FROM contract
+                                WHERE ID=@Id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
-    public IEnumerable<Contract> ReadContract(DateTime? dateForm = null, DateTime? dateTo = null, decimal? typeProject = null, int? customerId = null)
+    public IEnumerable<Entities.Contract> ReadContract(DateTime? dateForm = null, DateTime? dateTo = null, decimal? typeProject = null, int? customerId = null)
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"SELECT * FROM contract";
+            var contracts = connection.Query<Entities.Contract>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(contracts));
+            return contracts;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }

ProjectItCompany/ProjectItCompany/Repositories/Implementations/CustomerRepository.cs

@@ -1,4 +1,8 @@
-using ProjectItCompany.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectItCompany.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -7,30 +11,111 @@ using System.Threading.Tasks;
 
 namespace ProjectItCompany.Repositories.Implementations;
 
-internal class CustomerRepository : ICustomerRepository
+public class CustomerRepository : ICustomerRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<CustomerRepository> _logger;
+
+    public CustomerRepository(IConnectionString connectionString, ILogger<CustomerRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateCustomer(Customer customer)
     {
-
-    }
-
-    public void DeleteCustomer(int id)
-    {
-
-    }
-
-    public Customer ReadCustomerById(int id)
-    {
-        return Customer.CreateEntity(0, string.Empty, string.Empty);
-    }
-
-    public IEnumerable<Customer> ReadCustomers()
-    {
-        return [];
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(customer));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"INSERT INTO customer (NameCustomer, Description) 
+                                VALUES (@NameCustomer, @Description)";
+            connection.Execute(queryInsert, customer);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateCustomer(Customer customer)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(customer));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"UPDATE customer SET
+                                    NameCustomer=@NameCustomer,
+                                    Description=@Description
+                                    WHERE ID=@Id";
+            connection.Execute(queryUpdate, customer);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
+    }
 
+    public void DeleteCustomer(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"DELETE FROM customer WHERE ID=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
+    }
+
+    public Customer ReadCustomerById(int id)
+    {
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"SELECT * FROM customer WHERE ID=@id";
+            var customer = connection.QueryFirst<Customer>(querySelect, new
+            {
+                id
+            });
+            _logger.LogDebug("Найденный объект: {json}",
+            JsonConvert.SerializeObject(customer));
+            return customer;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Customer> ReadCustomers()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM customer";
+            var customers = connection.Query<Customer>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(customers));
+            return customers;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }

ProjectItCompany/ProjectItCompany/Repositories/Implementations/ExecutorRepository.cs

@@ -1,4 +1,8 @@
-using ProjectItCompany.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectItCompany.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -7,30 +11,113 @@ using System.Threading.Tasks;
 
 namespace ProjectItCompany.Repositories.Implementations;
 
-internal class ExecutorRepository : IExecutorRepository
+public class ExecutorRepository : IExecutorRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<ExecutorRepository> _logger;
+
+    public ExecutorRepository(IConnectionString connectionString, ILogger<ExecutorRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateExecutor(Executor executor)
     {
-     
-    }
-
-    public void DeleteExecutor(int id)
-    {
-   
-    }
-
-    public Executor ReadExecutorById(int id)
-    {
-        return Executor.CreateEntity(0, string.Empty, DateTime.Today, 1000, Entities.Enums.JobTitles.Developer);
-    }
-
-    public IEnumerable<Executor> ReadExecutors()
-    {
-        return [];
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(executor));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"INSERT INTO executor (FullName, DateOfBirth, HourlyRate, JobTitles) 
+                                VALUES (@FullName, @DateOfBirth, @HourlyRate, @JobTitles)";
+            connection.Execute(queryInsert, executor);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateExecutor(Executor executor)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(executor));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"UPDATE executor SET
+                                    FullName=@FullName,
+                                    DateOfBirth=@DateOfBirth,
+                                    HourlyRate=@HourlyRate,
+                                    JobTitles = @JobTitles
+                                    WHERE ID=@Id";
+            connection.Execute(queryUpdate, executor);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
+    }
 
+    public void DeleteExecutor(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"DELETE FROM executor WHERE ID=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
+    }
+
+    public Executor ReadExecutorById(int id)
+    {
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"SELECT * FROM executor WHERE ID=@id";
+            var executor = connection.QueryFirst<Executor>(querySelect, new
+            {
+                id
+            });
+            _logger.LogDebug("Найденный объект: {json}",
+            JsonConvert.SerializeObject(executor));
+            return executor;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Executor> ReadExecutors()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM executor";
+            var executors = connection.Query<Executor>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(executors));
+            return executors;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }

ProjectItCompany/ProjectItCompany/Repositories/Implementations/ProjectRepository.cs

@@ -1,4 +1,8 @@
-using ProjectItCompany.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectItCompany.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -7,30 +11,112 @@ using System.Threading.Tasks;
 
 namespace ProjectItCompany.Repositories.Implementations;
 
-internal class ProjectRepository : IProjectRepository
+public class ProjectRepository : IProjectRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<ProjectRepository> _logger;
+
+    public ProjectRepository(IConnectionString connectionString, ILogger<ProjectRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
     public void CreateProject(Project project)
     {
-        
-    }
-
-    public void DeleteProject(int id)
-    {
-        
-    }
-
-    public Project ReadProjectById(int id)
-    {
-        return Project.CreateEntity(1, string.Empty, 0, Entities.Enums.CompletedStages.Planning);
-    }
-
-    public IEnumerable<Project> ReadProjects()
-    {
-        return [];
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(project));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"INSERT INTO project (NameProject, CustomerId, CompletedStages) 
+                                VALUES (@NameProject, @CustomerId, @CompletedStages)";
+            connection.Execute(queryInsert, project);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateProject(Project project)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(project));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"UPDATE project SET
+                                    NameProject=@NameProject,
+                                    CustomerId=@CustomerId,
+                                    CompletedStages=@CompletedStages
+                                    WHERE ID=@Id";
+            connection.Execute(queryUpdate, project);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
+    }
 
+    public void DeleteProject(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"DELETE FROM project WHERE ID=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
+    }
+
+    public Project ReadProjectById(int id)
+    {
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"SELECT * FROM project WHERE ID=@id";
+            var project = connection.QueryFirst<Project>(querySelect, new
+            {
+                id
+            });
+            _logger.LogDebug("Найденный объект: {json}",
+            JsonConvert.SerializeObject(project));
+            return project;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Project> ReadProjects()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM project";
+            var projects = connection.Query<Project>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(projects));
+            return projects;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }

ProjectItCompany/ProjectItCompany/Repositories/Implementations/WageRepository.cs

@@ -1,4 +1,8 @@
-using ProjectItCompany.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectItCompany.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -7,15 +11,52 @@ using System.Threading.Tasks;
 
 namespace ProjectItCompany.Repositories.Implementations;
 
-internal class WageRepository : IWageRepository
+public class WageRepository : IWageRepository
 {
-    public void CreateWage(Wage wages)
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<WageRepository> _logger;
+
+    public WageRepository(IConnectionString connectionString, ILogger<WageRepository> logger)
     {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+    public void CreateWage(Wage wage)
+    {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(wage));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"INSERT INTO wage (Month, Year, NumberOfHours, ExecutorID)
+                                VALUES (@Month, @Year, @NumberOfHours, @ExecutorID)";
+            connection.Execute(queryInsert, wage);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
 
     }
 
     public IEnumerable<Wage> ReadWage(int? yearForm = null, int? yearTo = null, int? numberOfHoursFrom = null, int? numberOfHoursTo = null, int? executorId = null)
     {
-        return [];
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM wage";
+            var wages = connection.Query<Wage>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(wages));
+            return wages;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }

ProjectItCompany/ProjectItCompany/appsettings.json

@@ -0,0 +1,15 @@
+{
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": "Debug",
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "Logs/itcompany_log.txt",
+          "rollingInterval": "Day"
+        }
+      }
+    ]
+  }
+}

SQL.pgsql

@@ -0,0 +1,44 @@
+CREATE TABLE contract (
+     ID SERIAL PRIMARY KEY, 
+     Date    timestamp NOT NULL,
+     ProjectId INT REFERENCES project(ID),
+     CustomerId INT REFERENCES customer(ID)
+);
+
+CREATE TABLE customer (
+     ID SERIAL PRIMARY KEY, 
+     NameCustomer VARCHAR(30) NOT NULL,
+     Description  VARCHAR NOT NULL
+);
+
+CREATE TABLE customeronproject (
+     ID SERIAL PRIMARY KEY, 
+     Descriptio VARCHAR NOT NULL,
+     ContractId INT REFERENCES contract(ID),
+     CustomerId INT REFERENCES customer(ID)
+);
+
+CREATE TABLE executor (
+     ID SERIAL PRIMARY KEY, 
+     FullName VARCHAR NOT NULL,
+     DateOfBirth    timestamp NOT NULL,
+     HourlyRate DECIMAL NOT NULL,
+     JobTitles INT NOT NULL
+);
+
+CREATE TABLE project (
+     ID SERIAL PRIMARY KEY, 
+     NameProject VARCHAR NOT NULL,
+     CustomerId INT REFERENCES customer(ID),
+     CompletedStages INT NOT NULL
+);
+
+CREATE TABLE wage (
+     ID SERIAL PRIMARY KEY, 
+     Month INT NOT NULL,
+     Year INT NOT NULL,
+     NumberOfHours INT,
+     ExecutorId INT REFERENCES executor(ID)
+);
+
+SELECT * FROM wage;