telegram-bot/modules/ContentStore/ContentStore.cs

using System.Reflection;
using Kruzya.TelegramBot.Core;
using Microsoft.Extensions.DependencyInjection;
using West.TelegramBot.ContentStore.Service;
using Module = Kruzya.TelegramBot.Core.Module;

namespace West.TelegramBot.ContentStore;

public class ContentStore : Module
{
    private readonly List<Type> _mediaServiceTypes = new();
    
    public ContentStore(Core core) : base(core)
    {
        foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
        {
            foreach (var exportedType in assembly.GetExportedTypes()
                         .Where(t => !t.IsAbstract && t.IsSubclassOf(typeof(IRandomMediaService))))
            {
                _mediaServiceTypes.Add(exportedType);
            }
        }
    }

    public override void ConfigureServices(IServiceCollection services)
    {
        foreach (var serviceType in _mediaServiceTypes)
        {
            services.AddSingleton(serviceType);
        }
    }
}