diff --git a/ProjectPublishing/ProjectPublishing/Forms/FormMaterial.cs b/ProjectPublishing/ProjectPublishing/Forms/FormMaterial.cs
index cc366d9..0839c0f 100644
--- a/ProjectPublishing/ProjectPublishing/Forms/FormMaterial.cs
+++ b/ProjectPublishing/ProjectPublishing/Forms/FormMaterial.cs
@@ -63,7 +63,7 @@ namespace ProjectPublishing.Forms
                 }
                 else
                 {
-                    _materialRepository.UpdateMaterial(CreateMaterial(0));
+                    _materialRepository.CreateMaterial(CreateMaterial(0));
                 }
                 Close();
             }
diff --git a/ProjectPublishing/ProjectPublishing/Forms/FormMaterialAdmission.cs b/ProjectPublishing/ProjectPublishing/Forms/FormMaterialAdmission.cs
index 698c896..107b2a6 100644
--- a/ProjectPublishing/ProjectPublishing/Forms/FormMaterialAdmission.cs
+++ b/ProjectPublishing/ProjectPublishing/Forms/FormMaterialAdmission.cs
@@ -23,7 +23,7 @@ namespace ProjectPublishing.Forms
             _materialAdmissionRepository = materialAdmissionRepository ?? throw new ArgumentException(nameof(materialAdmissionRepository));
 
             comboBoxMaterialId.DataSource = materialRepository.ReadMaterials();
-            comboBoxMaterialId.DisplayMember = "MaterialType";
+            comboBoxMaterialId.DisplayMember = "Name";
             comboBoxMaterialId.ValueMember = "Id";
         }
 
diff --git a/ProjectPublishing/ProjectPublishing/Forms/FormPrintingHouse.cs b/ProjectPublishing/ProjectPublishing/Forms/FormPrintingHouse.cs
index 4aa85d6..0601cae 100644
--- a/ProjectPublishing/ProjectPublishing/Forms/FormPrintingHouse.cs
+++ b/ProjectPublishing/ProjectPublishing/Forms/FormPrintingHouse.cs
@@ -63,7 +63,7 @@ namespace ProjectPublishing.Forms
                 }
                 else
                 {
-                    _printingHouseRepository.UpdatePrintingHouse(CreatePrintingHouse(0));
+                    _printingHouseRepository.CreatePrintingHouse(CreatePrintingHouse(0));
                 }
                 Close();
             }
diff --git a/ProjectPublishing/ProjectPublishing/Program.cs b/ProjectPublishing/ProjectPublishing/Program.cs
index 90ab980..610f46c 100644
--- a/ProjectPublishing/ProjectPublishing/Program.cs
+++ b/ProjectPublishing/ProjectPublishing/Program.cs
@@ -1,6 +1,10 @@
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 using ProjectPublishing.Repositories;
 using ProjectPublishing.Repositories.Implementations;
+using Serilog;
 using Unity;
+using Unity.Microsoft.Logging;
 
 namespace ProjectPublishing
 {
@@ -22,14 +26,30 @@ namespace ProjectPublishing
         {
             var container = new UnityContainer();
 
+            container.AddExtension(new LoggingExtension(CreateLoggerFactory()));
+
             container.RegisterType<IContactPersonRepository, ContactPersonRepository>();
             container.RegisterType<ICustomerRepository, CustomerRepository>();
             container.RegisterType<IMaterialRepository, MaterialRepository>();
             container.RegisterType<IMaterialAdmissionRepository, MaterialAdmissionRepository>();
             container.RegisterType<IOrderRepository, OrderRepository>();
             container.RegisterType<IPrintingHouseRepository, PrintingHouseRepository>();
+            container.RegisterType<IConnectionString, ConnectionString>();
+
 
             return container;
         }
+
+        private static LoggerFactory CreateLoggerFactory()
+        {
+            var loggerFactory = new LoggerFactory();
+            loggerFactory.AddSerilog(new LoggerConfiguration()
+             .ReadFrom.Configuration(new ConfigurationBuilder()
+              .SetBasePath(Directory.GetCurrentDirectory())
+              .AddJsonFile("appsettings.json")
+              .Build())
+             .CreateLogger());
+            return loggerFactory;
+        }
     }
 }
\ No newline at end of file
diff --git a/ProjectPublishing/ProjectPublishing/ProjectPublishing.csproj b/ProjectPublishing/ProjectPublishing/ProjectPublishing.csproj
index 6b260fe..8636530 100644
--- a/ProjectPublishing/ProjectPublishing/ProjectPublishing.csproj
+++ b/ProjectPublishing/ProjectPublishing/ProjectPublishing.csproj
@@ -9,8 +9,20 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.1.35" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Npgsql" Version="9.0.2" />
+    <PackageReference Include="Serilog" Version="4.2.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="9.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="9.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
     <PackageReference Include="Unity" Version="5.11.10" />
     <PackageReference Include="Unity.Container" Version="5.11.11" />
+    <PackageReference Include="Unity.Microsoft.Logging" Version="5.11.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -28,4 +40,10 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>
\ No newline at end of file
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/IConnectionString.cs b/ProjectPublishing/ProjectPublishing/Repositories/IConnectionString.cs
new file mode 100644
index 0000000..6417b1c
--- /dev/null
+++ b/ProjectPublishing/ProjectPublishing/Repositories/IConnectionString.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectPublishing.Repositories
+{
+    public interface IConnectionString
+    {
+        public string ConnectionString { get; }
+    }
+}
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/IMaterialAdmissionRepository.cs b/ProjectPublishing/ProjectPublishing/Repositories/IMaterialAdmissionRepository.cs
index 624079f..1402a95 100644
--- a/ProjectPublishing/ProjectPublishing/Repositories/IMaterialAdmissionRepository.cs
+++ b/ProjectPublishing/ProjectPublishing/Repositories/IMaterialAdmissionRepository.cs
@@ -9,9 +9,7 @@ namespace ProjectPublishing.Repositories
 {
     public interface IMaterialAdmissionRepository
     {
-        IEnumerable<MaterialsAdmission> ReadMaterialsAdmission(int? amount = null, DateTime? date = null, int? materialId = null);
-
-        MaterialsAdmission ReadAdmissionById(int id);
+        IEnumerable<MaterialsAdmission> ReadMaterialsAdmission();
 
         void CreateMaterialsAdmission(MaterialsAdmission materialAdmission);
 
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/ConnectionString.cs b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/ConnectionString.cs
new file mode 100644
index 0000000..814e696
--- /dev/null
+++ b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/ConnectionString.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectPublishing.Repositories.Implementations
+{
+    public class ConnectionString : IConnectionString
+    {
+        string IConnectionString.ConnectionString => "host=localhost;port=5432;username=postgres;password=postgres;database=publishing";
+    }
+}
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/ContactPersonRepository.cs b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/ContactPersonRepository.cs
index 9878620..23effff 100644
--- a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/ContactPersonRepository.cs
+++ b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/ContactPersonRepository.cs
@@ -1,34 +1,134 @@
-using ProjectPublishing.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectPublishing.Entities;
 using System;
 using System.Collections.Generic;
+using System.Data.SqlClient;
 using System.Linq;
 using System.Text;
+using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 
 namespace ProjectPublishing.Repositories.Implementations
 {
     public class ContactPersonRepository : IContactPersonRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<ContactPersonRepository> _logger;
+        public ContactPersonRepository(IConnectionString connectionString, ILogger<ContactPersonRepository> logger) 
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
         public void CreateContactPerson(ContactPerson contactPerson)
         {
-        }
-
-        public void DeleteContactPerson(int id)
-        {
-        }
-
-        public IEnumerable<ContactPerson> ReadContactPeople()
-        {
-            return [];
-        }
-
-        public ContactPerson ReadContactPersonById(int id)
-        {
-            return ContactPerson.CreateContactPerson(0, string.Empty, string.Empty, string.Empty);
+            _logger.LogInformation("Создание объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(contactPerson));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryInsert = @"INSERT INTO ContactPersonPublisher (Name, PhoneNumber, Email)
+VALUES (@Name, @PhoneNumber, @Email)";
+                connection.Execute(queryInsert, contactPerson);
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении объекта");
+                throw;
+            }
         }
 
         public void UpdateContactPerson(ContactPerson contactPerson)
         {
+            _logger.LogInformation("Редактирование объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(contactPerson));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryUpdate = @"
+UPDATE ContactPersonPublisher
+SET 
+Name=@Name, 
+PhoneNumber=@PhoneNumber, 
+Email=@Email
+WHERE Id=@Id";
+                connection.Execute(queryUpdate, contactPerson);
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при редактировании объекта");
+                throw;
+            }
         }
+        public void DeleteContactPerson(int id)
+        {
+            _logger.LogInformation("Удаление объекта");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryDelete = @"
+DELETE FROM ContactPersonPublisher
+WHERE Id=@id";
+                connection.Execute(queryDelete, new { id });
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении объекта");
+                throw;
+            }
+        }
+
+        public IEnumerable<ContactPerson> ReadContactPeople()
+        {
+            _logger.LogInformation("Получение всех объектов");
+            
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM ContactPersonPublisher";
+                var contactPeople = connection.Query<ContactPerson>(querySelect);
+                _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(contactPeople));
+                return contactPeople;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении объектов");
+                throw;
+            }
+        }
+
+        public ContactPerson ReadContactPersonById(int id)
+        {
+            _logger.LogInformation("Получение объекта по ID");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var querySelect = @"
+SELECT * FROM ContactPersonPublisher
+WHERE Id=@id";
+                var contactPerson = connection.QueryFirst<ContactPerson>(querySelect, new {id});
+                connection.Close();
+                _logger.LogDebug("Найден объект: {json}", JsonConvert.SerializeObject(contactPerson));
+                return contactPerson;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при поиске объекта");
+                throw;
+            }
+        }
+
+        
     }
 }
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/CustomerRepository.cs b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/CustomerRepository.cs
index f296f2f..6ec4648 100644
--- a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/CustomerRepository.cs
+++ b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/CustomerRepository.cs
@@ -1,4 +1,8 @@
-using ProjectPublishing.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectPublishing.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,26 +13,124 @@ namespace ProjectPublishing.Repositories.Implementations
 {
     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.CreateCustomer(0, string.Empty, string.Empty, 0);
-        }
-
-        public IEnumerable<Customer> ReadCustomers()
-        {
-            return [];
+            _logger.LogInformation("Создание объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(customer));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryInsert = @"
+INSERT INTO Customer (PhoneNumber, Email, PublisherId)
+VALUES (@PhoneNumber, @Email, @PublisherId)";
+                connection.Execute(queryInsert, customer);
+                connection.Close();
+            }
+            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);
+                connection.Open();
+                var queryUpdate = @"
+UPDATE Customer
+SET  
+PhoneNumber=@PhoneNumber, 
+Email=@Email,
+PublisherId=@PublisherId
+WHERE Id=@Id";
+                connection.Execute(queryUpdate, customer);
+                connection.Close();
+            }
+            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);
+                connection.Open();
+                var queryDelete = @"
+DELETE FROM Customer
+WHERE Id=@id";
+                connection.Execute(queryDelete, new { id });
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении объекта");
+                throw;
+            }
+        }
+
+        public Customer ReadCustomerById(int id)
+        {
+            _logger.LogInformation("Получение объекта по ID");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var querySelect = @"
+SELECT * FROM Customer
+WHERE Id=@id";
+                var customer = connection.QueryFirst<Customer>(querySelect, new { id });
+                connection.Close();
+                _logger.LogDebug("Найден 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 contactPeople = connection.Query<Customer>(querySelect);
+                _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(contactPeople));
+                return contactPeople;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении объектов");
+                throw;
+            }
+        }
+
+        
     }
 }
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialAdmissionRepository.cs b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialAdmissionRepository.cs
index 2e4422a..d113dc9 100644
--- a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialAdmissionRepository.cs
+++ b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialAdmissionRepository.cs
@@ -1,4 +1,8 @@
-using ProjectPublishing.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectPublishing.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,19 +13,51 @@ namespace ProjectPublishing.Repositories.Implementations
 {
     public class MaterialAdmissionRepository : IMaterialAdmissionRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<MaterialAdmissionRepository> _logger;
+        public MaterialAdmissionRepository(IConnectionString connectionString, ILogger<MaterialAdmissionRepository> logger) 
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
         public void CreateMaterialsAdmission(MaterialsAdmission materialAdmission)
         {
+            _logger.LogInformation("Создание объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(materialAdmission));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryInsert = @"
+INSERT INTO MaterialAdmission (Amount, MaterialId)
+VALUES (@Amount, @MaterialId)";
+                connection.Execute(queryInsert, materialAdmission);
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении объекта");
+                throw;
+            }
         }
 
-
-        public MaterialsAdmission ReadAdmissionById(int id)
+        public IEnumerable<MaterialsAdmission> ReadMaterialsAdmission()
         {
-            return MaterialsAdmission.CreateOperation(0, 0, 0);
-        }
+            _logger.LogInformation("Получение всех объектов");
 
-        public IEnumerable<MaterialsAdmission> ReadMaterialsAdmission(int? amount = null, DateTime? date = null, int? materialId = null)
-        {
-            return [];
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM MaterialAdmission";
+                var materialAdmissions = connection.Query<MaterialsAdmission>(querySelect);
+                _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(materialAdmissions));
+                return materialAdmissions;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении объектов");
+                throw;
+            }
         }
 
     }
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialRepository.cs b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialRepository.cs
index ae0ef8d..7175603 100644
--- a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialRepository.cs
+++ b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/MaterialRepository.cs
@@ -1,4 +1,8 @@
-using ProjectPublishing.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectPublishing.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,26 +13,122 @@ namespace ProjectPublishing.Repositories.Implementations
 {
     public class MaterialRepository : IMaterialRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<MaterialRepository> _logger;
+
+        public MaterialRepository(IConnectionString connectionString, ILogger<MaterialRepository> logger)
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
+
         public void CreateMaterial(Material material)
         {
+            _logger.LogInformation("Создание объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(material));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryInsert = @"INSERT INTO Material (Name, MaterialType)
+VALUES (@Name, @MaterialType)";
+                connection.Execute(queryInsert, material);
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении объекта");
+                throw;
+            }
         }
 
         public void DeleteMaterial(int id)
         {
-        }
-
-        public Material ReadMaterialById(int id)
-        {
-            return Material.CreateMaterial(0, "", Entities.Enums.MaterialType.Cardboard);
-        }
-
-        public IEnumerable<Material> ReadMaterials()
-        {
-            return [];
+            _logger.LogInformation("Удаление объекта");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryDelete = @"
+DELETE FROM Material
+WHERE Id=@id";
+                connection.Execute(queryDelete, new { id });
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении объекта");
+                throw;
+            }
         }
 
         public void UpdateMaterial(Material material)
         {
+            _logger.LogInformation("Редактирование объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(material));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryUpdate = @"
+UPDATE Material
+SET 
+Name=@Name, 
+MaterialType=@MaterialType
+WHERE Id=@Id";
+                connection.Execute(queryUpdate, material);
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при редактировании объекта");
+                throw;
+            }
         }
+
+        public Material ReadMaterialById(int id)
+        {
+            _logger.LogInformation("Получение объекта по ID");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var querySelect = @"
+SELECT * FROM Material
+WHERE Id=@id";
+                var material = connection.QueryFirst<Material>(querySelect, new { id });
+                connection.Close();
+                _logger.LogDebug("Найден объект: {json}", JsonConvert.SerializeObject(material));
+                return material;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при поиске объекта");
+                throw;
+            }
+        }
+
+        public IEnumerable<Material> ReadMaterials()
+        {
+            _logger.LogInformation("Получение всех объектов");
+
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM Material";
+                var contactPeople = connection.Query<Material>(querySelect);
+                _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(contactPeople));
+                return contactPeople;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении объектов");
+                throw;
+            }
+        }
+
+        
     }
 }
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/OrderRepository.cs b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/OrderRepository.cs
index ae41c1d..42b673a 100644
--- a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/OrderRepository.cs
+++ b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/OrderRepository.cs
@@ -1,4 +1,8 @@
-using ProjectPublishing.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectPublishing.Entities;
 using System;
 using System.CodeDom;
 using System.Collections.Generic;
@@ -10,26 +14,85 @@ namespace ProjectPublishing.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("Создание 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 PrintingOrder (Description, ProductType, Amount, Status, CustomerId, PrintingId)
+VALUES (@Description, @ProductType, @Amount, @Status, @CustomerId, @PrintingId);
+SELECT MAX(Id) FROM PrintingOrder";
+                var PrintingOrderId = connection.QueryFirst<int>(queryInsert, order, transaction);
+
+                var querySubInsert = @"
+INSERT INTO OrderMaterials (MaterialId, OrderId, Amount)
+VALUES (@MaterialsId, @OrderId, @Amount)";
+                foreach (var elem in order.Materials)
+                {
+                    connection.Execute(querySubInsert, new { elem.MaterialsId, PrintingOrderId, elem.Amount }, transaction);
+                }
+                transaction.Commit();
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении объекта");
+                throw;
+            }
         }
 
         public void DeleteOrder(int id)
         {
-        }
-
-        public Order ReadOrderById(int id)
-        {
-            throw new NotImplementedException();
+            _logger.LogInformation("Удаление объекта");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryDelete = @"
+DELETE FROM PrintingOrder
+WHERE Id=@id";
+                connection.Execute(queryDelete, new { id });
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении объекта");
+                throw;
+            }
         }
 
         public IEnumerable<Order> ReadOrders()
         {
-            return [];
-        }
+            _logger.LogInformation("Получение всех объектов");
 
-        public void UpdateOrder(Order order)
-        {
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM PrintingOrder";
+                var printingOrders = connection.Query<Order>(querySelect);
+                _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(printingOrders));
+                return printingOrders;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении объектов");
+                throw;
+            }
         }
     }
 }
diff --git a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/PrintingHouseRepository.cs b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/PrintingHouseRepository.cs
index 349c9b7..0bffc6b 100644
--- a/ProjectPublishing/ProjectPublishing/Repositories/Implementations/PrintingHouseRepository.cs
+++ b/ProjectPublishing/ProjectPublishing/Repositories/Implementations/PrintingHouseRepository.cs
@@ -1,4 +1,8 @@
-using ProjectPublishing.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectPublishing.Entities;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -9,26 +13,123 @@ namespace ProjectPublishing.Repositories.Implementations
 {
     public class PrintingHouseRepository : IPrintingHouseRepository
     {
+        private readonly IConnectionString _connectionString;
+        private readonly ILogger<PrintingHouseRepository> _logger;
+
+        public PrintingHouseRepository(IConnectionString connectionString, ILogger<PrintingHouseRepository> logger)
+        {
+            _connectionString = connectionString;
+            _logger = logger;
+        }
         public void CreatePrintingHouse(PrintingHouse printingHouse)
         {
-        }
-
-        public void DeletePrintingHouse(int id)
-        {
-        }
-
-        public PrintingHouse ReadPrintingHouseById(int id)
-        {
-            return PrintingHouse.CreatePrintingHouse(0, string.Empty, string.Empty, string.Empty, string.Empty);
-        }
-
-        public IEnumerable<PrintingHouse> ReadPrintingHouses()
-        {
-            return [];
+            _logger.LogInformation("Создание объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(printingHouse));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryInsert = @"
+INSERT INTO PrintingHouse (Name, Address, PhoneNumber, Email)
+VALUES (@Name, @Address, @PhoneNumber, @Email)";
+                connection.Execute(queryInsert, printingHouse);
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при добавлении объекта");
+                throw;
+            }
         }
 
         public void UpdatePrintingHouse(PrintingHouse printingHouse)
         {
+            _logger.LogInformation("Редактирование объекта");
+            _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(printingHouse));
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryUpdate = @"
+UPDATE PrintingHouse
+SET
+Name=@Name,
+Address=@Address,
+PhoneNumber=@PhoneNumber, 
+Email=@Email
+WHERE Id=@Id";
+                connection.Execute(queryUpdate, printingHouse);
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при редактировании объекта");
+                throw;
+            }
         }
+
+        public void DeletePrintingHouse(int id)
+        {
+            _logger.LogInformation("Удаление объекта");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var queryDelete = @"
+DELETE FROM PrintingHouse
+WHERE Id=@id";
+                connection.Execute(queryDelete, new { id });
+                connection.Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при удалении объекта");
+                throw;
+            }
+        }
+
+        public PrintingHouse ReadPrintingHouseById(int id)
+        {
+            _logger.LogInformation("Получение объекта по ID");
+            _logger.LogDebug("Объект: {id}", id);
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                connection.Open();
+                var querySelect = @"
+SELECT * FROM PrintingHouse
+WHERE Id=@id";
+                var printingHouse = connection.QueryFirst<PrintingHouse>(querySelect, new { id });
+                connection.Close();
+                _logger.LogDebug("Найден объект: {json}", JsonConvert.SerializeObject(printingHouse));
+                return printingHouse;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при поиске объекта");
+                throw;
+            }
+        }
+
+        public IEnumerable<PrintingHouse> ReadPrintingHouses()
+        {
+            _logger.LogInformation("Получение всех объектов");
+
+            try
+            {
+                using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+                var querySelect = "SELECT * FROM PrintingHouse";
+                var printingHouse = connection.Query<PrintingHouse>(querySelect);
+                _logger.LogDebug("Полученные объекты: {json}", JsonConvert.SerializeObject(printingHouse));
+                return printingHouse;
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка при чтении объектов");
+                throw;
+            }
+        }
+
     }
 }
diff --git a/ProjectPublishing/ProjectPublishing/appsettings.json b/ProjectPublishing/ProjectPublishing/appsettings.json
new file mode 100644
index 0000000..854e4e2
--- /dev/null
+++ b/ProjectPublishing/ProjectPublishing/appsettings.json
@@ -0,0 +1,15 @@
+{
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": "Debug",
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "Logs/publishing_log.txt",
+          "rollingInterval": "Day"
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file