telegram-bot/modules/DebugTools/Handler.cs

using System.Text.Encodings.Web;
using BotFramework;
using BotFramework.Attributes;
using BotFramework.Enums;
using BotFramework.Utils;
using Kruzya.TelegramBot.Core.Extensions;
using Kruzya.TelegramBot.Core.Service;
using System.Text.Json;
using Telegram.Bot;

namespace West.TelegramBot.DebugTools;

public class Handler : BotEventHandler
{
    private readonly UserService _userService;
    private static readonly JsonSerializerOptions DumpOptions = new(JsonBotAPI.Options)
    {
        WriteIndented = true,
        Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
    };

    public Handler(UserService userService)
    {
        _userService = userService;
    }

    [Command("dump", CommandParseMode.Both)]
    public async Task HandleDump()
    {
        if (!_userService.IsUserSuper(From) && !await Bot.IsUserAdminAsync(Chat, From))
        {
            return;
        }
        var message = RawUpdate.Message!.ReplyToMessage ?? RawUpdate.Message;
        var text = HtmlString.Empty
            .CodeWithStyle("language-json", JsonSerializer.Serialize(message, DumpOptions));

        await Bot.SendHtmlStringAsync(Chat, text, replyTo: message.MessageId);
    }
}