telegram-bot/Core/Startup.cs

using BotFramework;
using Kruzya.TelegramBot.Core.AutoDelete;
using Kruzya.TelegramBot.Core.Cache;
using Kruzya.TelegramBot.Core.Data;
using Kruzya.TelegramBot.Core.Extensions;
using Kruzya.TelegramBot.Core.Service;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System.Collections.Concurrent;
using Kruzya.TelegramBot.Core.Options;
using Telegram.Bot.Types;
using BotFramework.Abstractions.UpdateProvider;

namespace Kruzya.TelegramBot.Core;

public class Startup
{
    private Core _core;
        
    public Startup(IConfiguration configuration)
    {
        // TODO: add Core to DI.
        _core = new Core(configuration);
    }
        
    // This method gets called by the runtime. Use this method to add services to the container.
    // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
    public void ConfigureServices(IServiceCollection services)
    {
        services.AddTelegramBot();
        services.AddLogging(builder => builder.AddConsole());
            
        // Add all modules to DI with Core instance.
        services.AddSingleton<Core>(_core);
        foreach (var module in _core.Modules) services.AddSingleton(module.GetType(), module);

        // Add database context to DI.
        var connectionString = _core.Configuration.GetConnectionString("DefaultConnection");
        services.AddDbContext<CoreContext>(ctx =>
            ctx.UseMySql(connectionString, ServerVersion.AutoDetect(connectionString)));

        // Cache for users.
        services.AddSingleton<ICacheStorage<long, User>, MemoryCache<long, User>>();

        services.AddSingleton<UserService>();
        services.AddSingleton<IAntiFlood, MemoryAntiFloodService>();

        services.AddSingleton<ThreadSafeRandom>();
        services.AddSingleton<IWebhookProvider, WebhookAspNetProvider>();
        services.AddControllersWithViews();

        services.AddSingleton<ConcurrentBag<DeleteRequest>>();
        services.AddHostedService<DeleteService>();

        services.AddScoped<IOptionProvider, DbOptionProvider>();
        services.AddHttpClient();

        // Trigger module handlers.
        _core.Modules.ConfigureServices(services);
    }

    // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
    {
        app.UseRouting();
        app.UseEndpoints(endpoints =>
        {
            endpoints.MapControllers();
        });

        _core.Modules.Configure(app, env);
    }
}