diff --git a/ProjectConfectionaryFactory/ProjectConfectionaryFactory/Repositories/Implementations/ConnectionString.cs b/ProjectConfectionaryFactory/ProjectConfectionaryFactory/Repositories/Implementations/ConnectionString.cs
new file mode 100644
index 0000000..27da614
--- /dev/null
+++ b/ProjectConfectionaryFactory/ProjectConfectionaryFactory/Repositories/Implementations/ConnectionString.cs
@@ -0,0 +1,6 @@
+namespace ProjectConfectionaryFactory.Repositories.Implementations;
+
+internal class ConnectionString : IConnectionString
+{
+    string IConnectionString.ConnectionString => "Host=localhost;Username=postgres;Password=postgres;Database=confectioneryfactoryotp;";
+}
\ No newline at end of file
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Client.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Client.cs
index c9c7d15..fbbb8e8 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Client.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Client.cs
@@ -5,10 +5,10 @@ public class Client
     public int Id { get; private set; }
     public string Name { get; private set; } = string.Empty;
     public string Surname { get; private set; } = string.Empty;
-    public double Phone { get; private set; }
+    public string Phone { get; private set; }
     public string Address { get; private set; } = string.Empty;
 
-    public static Client CreateEntity(int id, string name, string surname, double phone, string address)
+    public static Client CreateEntity(int id, string name, string surname, string phone, string address)
     {
         return new Client
         {
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Supplier.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Supplier.cs
index f2d2b1d..134fb04 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Supplier.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Entities/Supplier.cs
@@ -4,10 +4,10 @@ public class Supplier
 {
     public int Id { get; private set; }
     public string Name { get; private set; } = string.Empty;
-    public double Phone { get; private set; }
+    public string Phone { get; private set; }
     public string Address { get; private set; } = string.Empty;
 
-    public static Supplier CreateEntity(int id, string name, double phone, string address)
+    public static Supplier CreateEntity(int id, string name, string phone, string address)
     {
         return new Supplier
         {
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.cs
index af390ac..685a38f 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.cs
@@ -1,5 +1,6 @@
 using ProjectConfectioneryFactory.Entities;
 using ProjectConfectioneryFactory.Repositories;
+using System.Text.RegularExpressions;
 
 namespace ProjectConfectioneryFactory.Forms
 {
@@ -40,7 +41,7 @@ namespace ProjectConfectioneryFactory.Forms
         {
             try
             {
-                if (string.IsNullOrWhiteSpace(textBoxClientName.Text) || string.IsNullOrWhiteSpace(textBoxClientSurname.Text) || string.IsNullOrWhiteSpace(maskedTextBoxPhone.Text) || string.IsNullOrWhiteSpace(textBoxAddress.Text))
+                if (string.IsNullOrWhiteSpace(textBoxClientName.Text) || string.IsNullOrWhiteSpace(textBoxClientSurname.Text) || !maskedTextBoxPhone.MaskCompleted || string.IsNullOrWhiteSpace(textBoxAddress.Text))
                 {
                     throw new Exception("Имеются незаполненные поля");
                 }
@@ -66,7 +67,7 @@ namespace ProjectConfectioneryFactory.Forms
                             id,
                             textBoxClientName.Text,
                             textBoxClientSurname.Text,
-                            Double.Parse(maskedTextBoxPhone.Text),
+                            maskedTextBoxPhone.Text,
                             textBoxAddress.Text);
     }
 }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.resx b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.resx
index 8b2ff64..af32865 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.resx
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormClient.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema
+    Microsoft ResX Schema 
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     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
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormOrder.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormOrder.cs
index fd32974..dbc320d 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormOrder.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormOrder.cs
@@ -74,14 +74,14 @@ namespace ProjectConfectioneryFactory.Forms
             var list = new List<OrderProduct>();
             foreach (DataGridViewRow row in dataGridViewProducts.Rows)
             {
-                if (row.Cells["ColumnProductsName"].Value == null ||
-                row.Cells["ColumnProductCount"].Value == null)
+                if (row.Cells["ColumnComponent"].Value == null ||
+                row.Cells["ColumnWeight"].Value == null)
                 {
                     continue;
                 }
                 list.Add(OrderProduct.CreateEntity(0,
-                    Convert.ToInt32(row.Cells["ColumnProductsName"].Value),
-                    Convert.ToInt32(row.Cells["ColumnProductCount"].Value)));
+                    Convert.ToInt32(row.Cells["ColumnComponent"].Value),
+                    Convert.ToInt32(row.Cells["ColumnWeight"].Value)));
             }
             return list;
         }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormProduct.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormProduct.cs
index 916fd84..7d36a1c 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormProduct.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormProduct.cs
@@ -95,7 +95,7 @@ namespace ProjectConfectioneryFactory.Forms
                 }
                 list.Add(ProductComponent.CreateEntity(0,
                     Convert.ToInt32(row.Cells["ColumnComponent"].Value),
-                    Convert.ToInt32(row.Cells["ColumnWeight"].Value)));
+                    Convert.ToDouble(row.Cells["ColumnWeight"].Value)));
             }
             return list;
         }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormSupplier.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormSupplier.cs
index c638ca0..422dd6d 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormSupplier.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Forms/FormSupplier.cs
@@ -39,7 +39,7 @@ namespace ProjectConfectioneryFactory.Forms
         {
             try
             {
-                if (string.IsNullOrWhiteSpace(textBoxSupplierName.Text) || string.IsNullOrWhiteSpace(maskedTextBoxPhone.Text) || string.IsNullOrWhiteSpace(textBoxAddress.Text))
+                if (string.IsNullOrWhiteSpace(textBoxSupplierName.Text) || !maskedTextBoxPhone.MaskCompleted || string.IsNullOrWhiteSpace(textBoxAddress.Text))
                 {
                     throw new Exception("Имеются незаполненные поля");
                 }
@@ -64,7 +64,7 @@ namespace ProjectConfectioneryFactory.Forms
         private Supplier CreateSupplier(int id) => Supplier.CreateEntity(
                             id,
                             textBoxSupplierName.Text,
-                            Double.Parse(maskedTextBoxPhone.Text),
+                            maskedTextBoxPhone.Text,
                             textBoxAddress.Text);
     }
 }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/ProjectConfectioneryFactory.csproj b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/ProjectConfectioneryFactory.csproj
index 8fa1cd1..18a25d8 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/ProjectConfectioneryFactory.csproj
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/ProjectConfectioneryFactory.csproj
@@ -14,6 +14,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Npgsql" Version="9.0.2" />
     <PackageReference Include="Serilog" Version="4.0.2" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ClientRepository.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ClientRepository.cs
index 59816a6..d58e01d 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ClientRepository.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ClientRepository.cs
@@ -1,28 +1,124 @@
-using ProjectConfectioneryFactory.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using ProjectConfectioneryFactory.Entities;
+using Npgsql;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 
 public class ClientRepository : IClientRepository
 {
+    private readonly IConnectionString _connectionString;
+
+    private readonly ILogger<ClientRepository> _logger;
+
+    public ClientRepository(IConnectionString connectionString, ILogger<ClientRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void CreateClient(Client client)
     {
-    }
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(client));
 
-    public void DeleteClient(int id)
-    {
-    }
-
-    public Client ReadClientById(int id)
-    {
-        return Client.CreateEntity(0, string.Empty, string.Empty, 0, string.Empty);
-    }
-
-    public IEnumerable<Client> ReadClients()
-    {
-        return [];
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Clients (Name, Surname, Phone, Address)
+                VALUES (@Name, @Surname, @Phone, @Address)";
+            connection.Execute(queryInsert, client);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateClient(Client client)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(client));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Clients
+                SET
+                    Name=@Name,
+                    Surname=@Surname,
+                    Phone=@Phone,
+                    Address=@Address
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, client);
+
+        }
+        catch (Exception ex)
+        {
+
+            _logger.LogError(ex, "Ошибка при редактировании объекта"); throw;
+        }
+    }
+
+    public void DeleteClient(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Clients
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта"); throw;
+        }
+    }
+
+    public Client ReadClientById(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 Clients
+                WHERE Id=@id";
+            var client = connection.QueryFirst<Client>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(client));
+            return client;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Client> ReadClients()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Clients";
+            var clients = connection.Query<Client>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(clients));
+            return clients;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ComponentRepository.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ComponentRepository.cs
index 2112a58..eb91666 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ComponentRepository.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ComponentRepository.cs
@@ -1,28 +1,123 @@
-using ProjectConfectioneryFactory.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectConfectioneryFactory.Entities;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 
 public class ComponentRepository : IComponentRepository
 {
+    private readonly IConnectionString _connectionString;
+
+    private readonly ILogger<ComponentRepository> _logger;
+
+    public ComponentRepository(IConnectionString connectionString, ILogger<ComponentRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void CreateComponent(Component component)
     {
-    }
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(component));
 
-    public void DeleteComponent(int id)
-    {
-    }
-
-    public Component ReadComponentById(int id)
-    {
-        return Component.CreateEntity(0, string.Empty, 0, 0);
-    }
-
-    public IEnumerable<Component> ReadComponents()
-    {
-        return [];
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Components (Name, Price, Weight)
+                VALUES (@Name, @Price, @Weight)";
+            connection.Execute(queryInsert, component);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateComponent(Component component)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(component));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Components
+                SET
+                    Name=@Name,
+                    Price=@Price,
+                    Weight=@Weight
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, component);
+
+        }
+        catch (Exception ex)
+        {
+
+            _logger.LogError(ex, "Ошибка при редактировании объекта"); throw;
+        }
+    }
+
+    public void DeleteComponent(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Components
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта"); throw;
+        }
+    }
+
+    public Component ReadComponentById(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 Components
+                WHERE Id=@id";
+            var component = connection.QueryFirst<Component>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(component));
+            return component;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Component> ReadComponents()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Components";
+            var components = connection.Query<Component>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(components));
+            return components;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/OrderRepository.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/OrderRepository.cs
index 31a29ab..2574270 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/OrderRepository.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/OrderRepository.cs
@@ -1,28 +1,149 @@
-using ProjectConfectioneryFactory.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectConfectioneryFactory.Entities;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 
 public class OrderRepository : IOrderRepository
 {
+    private readonly IConnectionString _connectionString;
+
+    private readonly ILogger<OrderRepository> _logger;
+
+    public OrderRepository(IConnectionString connectionString, ILogger<OrderRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void CreateOrder(Order order)
     {
-    }
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(order));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            connection.Open();
+            using var transaction = connection.BeginTransaction();
+            var queryInsert = @"
+                INSERT INTO Orders (ClientId, Completed, Date)
+                VALUES (@ClientId, @Completed, @Date);
+                SELECT MAX(Id)
+                FROM Orders";
+            var orderId = connection.QueryFirst<int>(queryInsert, order, transaction);
 
-    public void DeleteOrder(int id)
-    {
-    }
-
-    public Order ReadOrderById(int id)
-    {
-        return Order.CreateOperation(0, 0, false, null);
-    }
-
-    public IEnumerable<Order> ReadOrders()
-    {
-        return [];
+            var querySubInsert = @"
+                INSERT INTO OrderProducts (OrderId, ProductId, Count)
+                VALUES (@OrderId, @ProductId, @Count)";
+            foreach (var elem in order.OrderProducts)
+            {
+                connection.Execute(querySubInsert, new { orderId, elem.ProductId, elem.Count }, transaction);
+            }
+            transaction.Commit();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateOrder(Order order)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(order));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            connection.Open();
+            using var transaction = connection.BeginTransaction();
+            var queryUpdate = @"
+                UPDATE Orders
+                SET
+                    ClientId=@ClientId,
+                    Completed=@Completed,
+                    Date=@Date
+                WHERE Id=@Id";
+            var orderId = connection.QueryFirst<int>(queryUpdate, order, transaction);
+
+            var querySubUpdate = @"
+                UPDATE OrderProducts
+                SET
+                    OrderId=@OrderId,
+                    ProductId=@ProductId,
+                    Count=@Count
+                WHERE Id=@Id";
+            foreach (var elem in order.OrderProducts)
+            {
+                connection.Execute(querySubUpdate, new { orderId, elem.ProductId, elem.Count }, transaction);
+            }
+            transaction.Commit();
+
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
+    }
+
+    public void DeleteOrder(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Orders
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта"); throw;
+        }
+    }
+
+    public Order ReadOrderById(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 Orders
+                WHERE Id=@id";
+            var order = connection.QueryFirst<Order>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(order));
+            return order;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Order> ReadOrders()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Orders";
+            var orders = connection.Query<Order>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(orders));
+            return orders;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ProductRepository.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ProductRepository.cs
index f223b7d..2926be5 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ProductRepository.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/ProductRepository.cs
@@ -1,29 +1,149 @@
-using ProjectConfectioneryFactory.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using ProjectConfectioneryFactory.Entities;
 using ProjectConfectioneryFactory.Entities.Enums;
+using Npgsql;
+using System.Transactions;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 
 public class ProductRepository : IProductRepository
 {
+    private readonly IConnectionString _connectionString;
+
+    private readonly ILogger<ProductRepository> _logger;
+
+    public ProductRepository(IConnectionString connectionString, ILogger<ProductRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void CreateProduct(Product product)
     {
-    }
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(product));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            connection.Open();
+            using var transaction = connection.BeginTransaction();
+            var queryInsert = @"
+                INSERT INTO Products (ConfectionaryType, Name, Price)
+                VALUES (@ConfectionaryType, @Name, @Price);
+                SELECT MAX(Id)
+                FROM Products;";
+            var productId = connection.QueryFirst<int>(queryInsert, product, transaction);
 
-    public void DeleteProduct(int id)
-    {
-    }
-
-    public Product ReadProductById(int id)
-    {
-        return Product.CreateEntity(0, ConfectioneryType.None, string.Empty, 0, null);
-    }
-
-    public IEnumerable<Product> ReadProducts()
-    {
-        return [];
+            var querySubInsert = @"
+                INSERT INTO ProductComponents (ProductId, ComponentId, Weight)
+                VALUES (@ProductId, @ComponentId, @Weight)";
+            foreach (var elem in product.ProductComponents)
+            {
+                connection.Execute(querySubInsert, new { productId, elem.ComponentId, elem.Weight }, transaction);
+            }
+            transaction.Commit();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateProduct(Product product)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(product));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            connection.Open();
+            using var transaction = connection.BeginTransaction();
+            var queryUpdate = @"
+                UPDATE Products
+                SET
+                    сonfectionaryType=@сonfectionaryType,
+                    Name=@Name,
+                    Price=@Price
+                WHERE Id=@Id";
+            var productId = connection.QueryFirst<int>(queryUpdate, product, transaction);
+            
+            var querySubUpdate = @"
+                UPDATE ProductComponents
+                SET
+                    ProductId=@ProductId,
+                    ComponentId=@ComponentId,
+                    Weight=@Weight
+                WHERE Id=@Id";
+            foreach (var elem in product.ProductComponents)
+            {
+                connection.Execute(querySubUpdate, new { productId, elem.ComponentId, elem.Weight }, transaction);
+            }
+            transaction.Commit();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта"); throw;
+        }
+    }
+
+    public void DeleteProduct(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Products
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта"); throw;
+        }
+    }
+
+    public Product ReadProductById(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 Products
+                WHERE Id=@id";
+            var product = connection.QueryFirst<Product>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(product));
+            return product;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Product> ReadProducts()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Products";
+            var products = connection.Query<Product>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(products));
+            return products;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplierRepository.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplierRepository.cs
index a32ab28..4ee121c 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplierRepository.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplierRepository.cs
@@ -1,28 +1,122 @@
-using ProjectConfectioneryFactory.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using ProjectConfectioneryFactory.Entities;
+using Npgsql;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 
 public class SupplierRepository : ISupplierRepository
 {
+    private readonly IConnectionString _connectionString;
+
+    private readonly ILogger<SupplierRepository> _logger;
+
+    public SupplierRepository(IConnectionString connectionString, ILogger<SupplierRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void CreateSupplier(Supplier supplier)
     {
-    }
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(supplier));
 
-    public void DeleteSupplier(int id)
-    {
-    }
-
-    public Supplier ReadSupplierById(int id)
-    {
-        return Supplier.CreateEntity(0, string.Empty, 0, string.Empty);
-    }
-
-    public IEnumerable<Supplier> ReadSuppliers()
-    {
-        return [];
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Suppliers (Name, Phone, Address)
+                VALUES (@Name, @Phone, @Address)";
+            connection.Execute(queryInsert, supplier);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateSupplier(Supplier supplier)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(supplier));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Suppliers
+                SET
+                    Name=@Name,
+                    Phone=@Phone,
+                    Address=@Address
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, supplier);
+
+        }
+        catch (Exception ex)
+        {
+
+            _logger.LogError(ex, "Ошибка при редактировании объекта"); throw;
+        }
+    }
+
+    public void DeleteSupplier(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Suppliers
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта"); throw;
+        }
+    }
+
+    public Supplier ReadSupplierById(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 Suppliers
+                WHERE Id=@id";
+            var supplier = connection.QueryFirst<Supplier>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(supplier));
+            return supplier;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Supplier> ReadSuppliers()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Suppliers";
+            var suppliers = connection.Query<Supplier>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(suppliers));
+            return suppliers;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }
diff --git a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplyRepository.cs b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplyRepository.cs
index 999d3ec..617c3e4 100644
--- a/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplyRepository.cs
+++ b/ProjectConfectioneryFactory/ProjectConfectioneryFactory/Repositories/Implementations/SupplyRepository.cs
@@ -1,28 +1,124 @@
-using ProjectConfectioneryFactory.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using ProjectConfectioneryFactory.Entities;
+using Npgsql;
 
 namespace ProjectConfectioneryFactory.Repositories.Implementations;
 
 public class SupplyRepository : ISupplyRepository
 {
+    private readonly IConnectionString _connectionString;
+
+    private readonly ILogger<SupplyRepository> _logger;
+
+    public SupplyRepository(IConnectionString connectionString, ILogger<SupplyRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void CreateSupply(Supply supply)
     {
-    }
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(supply));
 
-    public void DeleteSupply(int id)
-    {
-    }
-
-    public Supply ReadSupplyById(int id)
-    {
-        return Supply.CreateOperation(0, 0, 0, 0, false);
-    }
-
-    public IEnumerable<Supply> ReadSupplys()
-    {
-        return [];
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+                INSERT INTO Supplys (SupplierId, ComponentId, Weight, Completed, Date)
+                VALUES (@SupplierId, @ComponentId, @Weight, @Completed, @Date)";
+            connection.Execute(queryInsert, supply);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void UpdateSupply(Supply supply)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(supply));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Supplys
+                SET
+                    SupplierId=@SupplierId,
+                    ComponentId=@ComponentId,
+                    Weight=@Weight,
+                    Completed=@Completed,
+                    Date=@Date
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, supply);
+
+        }
+        catch (Exception ex)
+        {
+
+            _logger.LogError(ex, "Ошибка при редактировании объекта"); throw;
+        }
+    }
+
+    public void DeleteSupply(int id)
+    {
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Supplys
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта"); throw;
+        }
+    }
+
+    public Supply ReadSupplyById(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 Supplys
+                WHERE Id=@id";
+            var supply = connection.QueryFirst<Supply>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}", JsonConvert.SerializeObject(supply));
+            return supply;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Supply> ReadSupplys()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Supplys";
+            var supplys = connection.Query<Supply>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(supplys));
+            return supplys;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 }