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;

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