MafiaTelegramBot/MafiaTelegramBot/Commands/CallbackQueries/PlayersCountSettingsCallbackQueryHandler.cs

using System.Threading.Tasks;
using MafiaTelegramBot.Controllers;
using MafiaTelegramBot.Game;
using MafiaTelegramBot.Resources;
using Telegram.Bot.Types;

namespace MafiaTelegramBot.Commands.CallbackQueries
{
    public class PlayersCountSettingsCallbackQueryHandler : CallbackQueryHandler
    {
        protected override string Command => Callback.PlayersCount.ToString();
        
        public override async Task<Message> Execute(Update update)
        {
            var roomKey = RoomEncrypter.GetCode(User.GetRoomName());
            var room = RoomController.GetRoom(roomKey);
            if(room == null)
                return await MessageController.EditMessage(User.Info,
                    update.CallbackQuery.Message.MessageId, strings.room_does_not_exists);
            var roomMaxCapacity = room.MaxPlayers;
            return await MessageController.EditMessage(User.Info, update.CallbackQuery.Message.MessageId,
                $"{strings.max_capacity_message}: {roomMaxCapacity}", Keyboard.SetMaximumKeyboard());
        }

        public PlayersCountSettingsCallbackQueryHandler(Player player) : base(player)
        {
        }
    }
}