telegram-bot/modules/CustomChatAddOns/Handler/MessageHandler.cs

using BotFramework;
using BotFramework.Attributes;
using Kruzya.TelegramBot.CustomChatAddOns.Data;
using Kruzya.TelegramBot.CustomChatAddOns.Data.WebhookCommand;
using Kruzya.TelegramBot.CustomChatAddOns.Options;
using Kruzya.TelegramBot.CustomChatAddOns.Service;

namespace Kruzya.TelegramBot.CustomChatAddOns.Handler
{
    public class MessageHandler : BotEventHandler
    {
        private readonly CustomChatHandler _option;
        private readonly InteropService _interopService;

        public MessageHandler(CustomChatHandler option, InteropService interopService)
        {
            _option = option;
            _interopService = interopService;
        }

        [Message]
        [Priority(short.MinValue + 10)]
        public async Task DeliverMessage()
        {
            var message = RawUpdate.Message;
            if (message == null)
            {
                return;
            }

            var url = await _option.GetValueAsync(Chat.Id);
            if (string.IsNullOrWhiteSpace(url))
            {
                return;
            }

            var commands = await _interopService.PostMessage<NewMessage, List<IWebhookCommand>>(url, new() { Message = message });
            foreach (var command in commands)
            {
                await command.Execute(Bot, message);
            }
        }
    }
}