karmabot/JetKarmaBot/Commands/StatusCommand.cs

using Microsoft.EntityFrameworkCore;
using JetKarmaBot.Services.Handling;
using JetKarmaBot.Models;

namespace JetKarmaBot.Commands;

class StatusCommand : IChatCommand
{
    public IReadOnlyCollection<string> Names => ["status"];

    public async Task<bool> Execute(RequestContext ctx)
    {
        var db = ctx.GetFeature<KarmaContext>();
        var currentLocale = ctx.GetFeature<Locale>();
        var asker = ctx.EventArgs.Message.From;
        bool isPrivate = ctx.EventArgs.Message.Chat.Type == Telegram.Bot.Types.Enums.ChatType.Private;

        string response;

        var awards = db.Awards.Where(x => x.ToId == asker.Id);
        if (!isPrivate)
            awards = awards.Where(x => x.ChatId == ctx.EventArgs.Message.Chat.Id);

        if (!awards.Any())
            response = currentLocale["jetkarmabot.status.havenothing"];
        else
        {
            var aq = db.AwardTypes.GroupJoin(
                awards, 
                at => at.AwardTypeId, 
                aw => aw.AwardTypeId, 
                (at, aws)  => new {at.Symbol, Amount = aws.Sum(aw => aw.Amount) });
         
            var awardsByType = await aq.ToListAsync();
            
            response = 
                currentLocale["jetkarmabot.status.listalltext"] + "\n"
                + string.Join("\n", awardsByType.Select(a => $" - {a.Symbol} {a.Amount}"));
        }

        await ctx.SendMessage(response);
        return true;
    }

    [Inject] Localization Locale { get; set; }

    public string Description => "Shows the amount of awards that you have";
    public string DescriptionID => "jetkarmabot.status.help";

    public IReadOnlyCollection<ChatCommandArgument> Arguments => [];
}