init

Program.cs

@@ -0,0 +1,83 @@
+
+using example_app.Database.Connector;
+using example_csharp_app;
+using example_csharp_app.Aggregators;
+using example_csharp_app.Interfaces;
+using example_csharp_app.Repositories;
+using example_csharp_app.Services;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+
+namespace Program 
+{
+    public static class Program
+    {
+        private static void SetupDi(IServiceCollection services, IConfiguration configuration)
+        {
+            services.AddCors();
+
+            services.AddScoped<IBookAggregator, BookAggregator>();
+            services.AddScoped<IBookService, BookService>();
+            services.AddScoped<IBookRepository, BookRepository>();
+            services.AddDbContext<AppDbContext>(
+                (provider, builder) => 
+                {
+                    //var settings = provider.GetRequiredService<IOptions<DbSettings>>(); // эта версия лучше
+                    var connectionString = configuration.GetValue<string>("ConnectionStrings:DefaultConnection");
+                    builder.UseNpgsql(connectionString);
+                }, 
+                ServiceLifetime.Transient
+            );
+        }
+
+        public static int Main(string[] args)
+        {
+            try
+            {
+                var configurationBuilder = (new ConfigurationBuilder())
+                                            .SetBasePath(Environment.CurrentDirectory)
+                                            .AddJsonFile("appsettings.json", false, true)
+                                            .AddJsonFile("appsettings.{environmentName}", true, true)
+                                            .AddEnvironmentVariables()
+                                            .AddCommandLine(args);
+
+                var builder = WebApplication.CreateBuilder(args);
+                var configuration = configurationBuilder.Build();
+                
+                builder.Services.AddControllers();
+                builder.Services.AddSwaggerGen();
+
+                SetupDi(builder.Services, configuration);
+                
+            
+                var app = builder.Build();
+                //if(app.Environment.IsDevelopment())
+                //{
+                    app.UseSwagger();
+                    app.UseSwaggerUI();
+                //}
+                app.MapControllers();
+                app.UseMiddleware<ErrorLogMiddleware>();
+                //app.UseHttpsRedirection();
+                
+                app.Run();
+
+            } catch (Exception)
+            {
+                // log
+            }
+            finally
+            {
+                // flush log
+            }
+
+            return 0;
+            
+        }
+    }
+}
+
+
+