MafiaTelegramBot/MafiaTelegramBot/Commands/CallbackQueries/ShowMyRolesCallbackQueryHandler.cs

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

namespace MafiaTelegramBot.Commands.CallbackQueries
{
    public class ShowMyRolesCallbackQueryHandler : CallbackQueryHandler
    {
        protected override string Command => Callback.ShowMyRoles.ToString();

        public override async Task<Message> Execute(Update update)
        {
            var opened = User.OpenedRoles.ToList();
            var tier2 = Utilities.TierDictionary[2].Intersect(opened).ToList();
            var tier3 = Utilities.TierDictionary[3].Intersect(opened).ToList();
            var tier4 = Utilities.TierDictionary[4].Intersect(opened).ToList();
            var tier5 = Utilities.TierDictionary[5].Intersect(opened).ToList();
            var message = $"{strings.opened_roles}:";
            if (Utilities.TierDictionary[0].Count > 0)
                message += AddMessage(Utilities.TierDictionary[0], strings.classic);
            if (tier2.Count > 0)
                message += AddMessage(tier2, strings.rare);
            if (tier3.Count > 0)
                message += AddMessage(tier3, strings.mythic);
            if (tier4.Count > 0)
                message += AddMessage(tier4, strings.epic);
            if (tier5.Count > 0)
                message += AddMessage(tier5, strings.legendary);
            return await MessageController.EditMessage(User.Info,
                update.CallbackQuery.Message.MessageId, message, Keyboard.BackButton());
        }

        private static string AddMessage(List<Roles> list, string rarity)
        {
            var result = $"\n\n{strings.rarity}: {rarity}";
            foreach (var role in list)
                result += $"\n{roles.ResourceManager.GetString(role.ToString())}";
            return result;
        }

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