telegram-bot/modules/ChatManagement/Handler/BanStickerSet.Utils.cs

using System.Collections.Generic;
using System.Threading.Tasks;
using BotFramework.Utils;
using Kruzya.TelegramBot.Core.Data;
using Kruzya.TelegramBot.Core.Extensions;
using Telegram.Bot;
using Telegram.Bot.Types;

namespace West.TelegramBot.ChatManagement.Handler;

public partial class BanStickerSet
{
    private async Task<bool> CanBotDeleteMessages()
    {
        return await Bot.GetChatMemberAsync(
            Chat.Id,
            (await Bot.GetMeAsync()).Id
        ) is ChatMemberAdministrator {CanDeleteMessages: true};
    }

    private async Task<bool> IsStickerBanned(Sticker sticker)
    {
        var bannedList = (await GetBannedStickerSetOption()).GetValue<List<string>>();

        return bannedList != null && sticker.SetName != null && bannedList.Contains(sticker.SetName);
    }

    private async Task<BotUserValue> GetBannedStickerSetOption()
    {
        return await Db.UserValues.FindOrCreateOption(Chat.Id, "cmBannedStickers");
    }

    public async Task<bool> PreCommand(ParamParser.StickerSet.Param stickerSetParam)
    {
        if (!stickerSetParam.IsValid)
        {
            await Reply("Неверный набор стикеров.");
            return false;
        }

        return await CanUseCommands();
    }

    public string FormatStickerSetAction(StickerSet stickerSet, string action)
    {
        return new HtmlString()
            .Text("Набор стикеров ")
            .Url($"https://t.me/addstickers/{stickerSet.Name}", stickerSet.Title)
            .Text($" {action}.")
            .ToString();
    }

    private async Task<bool> CanUseCommands()
    {
        return await Bot.GetChatMemberAsync(Chat.Id, From.Id) is ChatMemberAdministrator {CanDeleteMessages: true}
            or ChatMemberOwner;
    }
}