add architecture skeleton

GymLogAI.TelegramBot/Program.cs

@@ -0,0 +1,44 @@
+using GymLogAI.AI;
+using GymLogAI.Application.Handlers;
+using GymLogAI.Persistence;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Telegram.Bot;
+
+namespace GymLogAI.TelegramBot;
+
+public static class Program
+{
+    public static async Task Main(string[] args)
+    {
+        var builder = Host.CreateApplicationBuilder(args);
+
+        builder.Services
+            .AddOptions<TelegramBotOptions>()
+            .Bind(builder.Configuration.GetSection(TelegramBotOptions.SectionName));
+
+        builder.Services.AddPersistence(builder.Configuration);
+        builder.Services.AddAiServices(builder.Configuration);
+        builder.Services.AddScoped<ImportTelegramMessageHandler>();
+        builder.Services.AddScoped<ParseTelegramMessageHandler>();
+        builder.Services.AddScoped<RecommendWorkoutHandler>();
+        builder.Services.AddSingleton<ITelegramBotClient>(serviceProvider =>
+        {
+            var options = serviceProvider.GetRequiredService<Microsoft.Extensions.Options.IOptions<TelegramBotOptions>>().Value;
+            return new TelegramBotClient(options.BotToken ?? string.Empty);
+        });
+        builder.Services.AddScoped<UpdateHandler>();
+        builder.Services.AddHostedService<TelegramBotHostedService>();
+
+        var host = builder.Build();
+
+        await using (var scope = host.Services.CreateAsyncScope())
+        {
+            var dbContext = scope.ServiceProvider.GetRequiredService<AppDbContext>();
+            await dbContext.Database.MigrateAsync();
+        }
+
+        await host.RunAsync();
+    }
+}