MafiaTelegramBot/MafiaTelegramBot/Models/Inlines/DecreaseRoomMaxCapacity.cs

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

namespace MafiaTelegramBot.Models.Inlines
{
    public class DecreaseRoomMaxCapacity:Query
    {
        protected override string Name => strings.decrease_number_of_players_callback;
        public override async Task<Message> Execute(Update update)
        {
            var messageId = update.CallbackQuery.Message.MessageId;
            var chatId = update.CallbackQuery.Message.Chat.Id;

            var data = update.CallbackQuery.Data;
            var userId = long.Parse(data.Split('|')[1]);

            var user = await UserDao.GetUserById(userId);
            var room_name = user.GetCurrentGame();
            var room = await RoomController.GetRoom(room_name);
            var room_max_capacity = room.MaxPlayers;
            
            if (room_max_capacity > Constants.PLAYER_LIMITS_MIN)
            {
                room_max_capacity = --room.MaxPlayers;
            }
            
            var message = $"{strings.max_capacity_message}: {room_max_capacity}";
            
            var inlineKeyboard = new InlineKeyboardMarkup(new[]
            {
                new[] {InlineKeyboardButton.WithCallbackData(strings.decrease_number_of_players, $"{strings.decrease_number_of_players_callback}|{userId}"), InlineKeyboardButton.WithCallbackData(strings.increase_number_of_players, $"{strings.increase_number_of_players_callback}|{userId}")}
            });
            
            return await Bot.Get().EditMessageTextAsync(chatId, messageId, message, replyMarkup:inlineKeyboard);
        }
    }
}