telegram-bot/Core/Startup.cs

using BotFramework;
using Kruzya.TelegramBot.Core.Extensions;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

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);

            // 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);
        }
    }
}