add helper method to check permissions

bot/helpers/help_for_14121.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+# (c) Shrimadhav U K
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from pyrogram.errors import (
+    UserNotParticipant
+)
+from bot.bot import Bot
+
+
+async def check_perm(client: Bot, chat_id: int, user_id: int) -> bool:
+    try:
+        _a_ = await client.get_chat_member(
+            chat_id,
+            user_id
+        )
+    except UserNotParticipant:
+        return False
+    else:
+        if _a_.can_delete_messages:
+            return True
+        else:
+            return False