[cm] ability to ban stickerset

modules/ChatManagement/Handler/BanStickerSet.Utils.cs

@@ -0,0 +1,58 @@
+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;
+    }
+}