В процессе

ShoeStore/Program.cs

@@ -2,6 +2,10 @@ using ShoeStore.Repositories.Implementations;
 using ShoeStore.Repositories;
 using Unity.Lifetime;
 using Unity;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using Unity.Microsoft.Logging;
 
 namespace ShoeStore
 {
@@ -22,12 +26,30 @@ namespace ShoeStore
         private static IUnityContainer CreateContainer()
         {
             var container = new UnityContainer();
-            container.RegisterType<IEmployeeRepository, EmployeeRepository>(new TransientLifetimeManager());
+
-            container.RegisterType<IProductRepository, ProductRepository>(new TransientLifetimeManager());
+            container.AddExtension(new LoggingExtension(CreateLoggerFactory()));
-            container.RegisterType<IReceiptRepository, ReceiptRepository>(new TransientLifetimeManager());
+
-            container.RegisterType<ISaleRepository, SaleRepository>(new TransientLifetimeManager());
+            container.RegisterType<IEmployeeRepository, EmployeeRepository>();
-            container.RegisterType<IStorageRepository, StorageRepository>(new TransientLifetimeManager());
+            container.RegisterType<IProductRepository, ProductRepository>();
+            container.RegisterType<IReceiptRepository, ReceiptRepository>();
+            container.RegisterType<ISaleRepository, SaleRepository>();
+            container.RegisterType<IStorageRepository, StorageRepository>();
+
+            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;
+        }
     }
 }

ShoeStore/Repositories/IConnectionString.cs

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

ShoeStore/Repositories/Implementations/ConnectionString.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ShoeStore.Repositories.Implementations;
+
+internal class ConnectionString : IConnectionString
+{
+    string IConnectionString.ConnectionString => "Server=localhost;Port=5432;Database=--CREATE DATABAS OOP;";
+}

ShoeStore/Repositories/Implementations/ProductRepository.cs

@@ -1,7 +1,12 @@
-using ShoeStore.Entities;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ShoeStore.Entities;
 using ShoeStore.Entities.Enums;
 using System;
 using System.Collections.Generic;
+using System.Data.SqlClient;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -10,26 +15,112 @@ namespace ShoeStore.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);
+            var queryInsert = @"INSERT INTO Product (Name, ManufacturingCompany, Price) 
+                                VALUES (@Name, @ManufacturingCompany, @Price)";
+            connection.Execute(queryInsert, product);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении 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 Product WHERE ID=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public Product ReadProductById(int id)
     {
-        return Product.CreateEntity(0, 0, String.Empty, ManufacturingCompany.None, 0, ProductType.None, 0);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"SELECT * FROM Product 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()
     {
-        return [];
+        _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;
+        }
     }
     
 
     public void UpdateProduct(Product product)
     {
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(product));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"UPDATE Product SET
+                                    Name=@Name,
+                                    ManufacturingCompany=@ManufacturingCompany,
+                                    Price=@Price
+                                    WHERE ID=@id";
+            connection.Execute(queryUpdate, product);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }

ShoeStore/ShoeStore.csproj

@@ -9,7 +9,19 @@
   </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="9.0.1" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
+    <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.Microsoft.Logging" Version="5.11.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -27,4 +39,10 @@
     </EmbeddedResource>
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

ShoeStore/appsettings.json

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