MafiaTelegramBot/MafiaTelegramBot/Models/UpdateModel.cs

#nullable enable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Telegram.Bot.Types;

namespace MafiaTelegramBot.Models
{
    public abstract class UpdateModel<T> : ICloneable
    {
        protected abstract T Name { get; }
        protected long ChatId { get; set; }
        protected long UserId { get; set; }

        protected abstract Task<Message> Execute(Update update);

        protected abstract bool IsMatches(String command);

        protected static UpdateModel<T>? FirstOrDefault(IReadOnlyList<UpdateModel<T>> list, string data)
        {
            return (from item in list
                where item.IsMatches(data)
                select item).FirstOrDefault();
        }

        protected static async Task DeletePreviousMessage(long chatId, int messageId)
        {
            await Bot.Get().DeleteMessageAsync(chatId, messageId);
        }

        public object? Clone(long chatId, long userId)
        {
            var clone = (UpdateModel<T>?) MemberwiseClone();
            if(clone == null) return clone;
            clone.ChatId = chatId;
            clone.UserId = userId;
            return clone;
        }

        public object Clone()
        {
            return MemberwiseClone();
        }
    }
}