Refactor NSFW plugin: add is_admin helper for admin/owner check

DragMusic/plugins/plugins/nsfw.py

@@ -35,17 +35,21 @@ async def enable_nsfw(chat_id: int):
 async def disable_nsfw(chat_id: int):
     await nsfw_chats_collection.delete_one({"chat_id": chat_id})
 
+# Helper to check if a user is admin or owner
+async def is_admin(client, chat_id, user_id):
+    try:
+        member = await client.get_chat_member(chat_id, user_id)
+        return member.status in ["administrator", "owner"]
+    except:
+        return False
+
 @app.on_message(filters.command("nsfw") & filters.group)
-async def toggle_nsfw_scan(_, message: Message):
+async def toggle_nsfw_scan(client, message: Message):
     if len(message.command) != 2:
         return await message.reply("Usage: /nsfw enable or /nsfw disable")
 
-    try:
-        member = await app.get_chat_member(message.chat.id, message.from_user.id)
-        if not (member.status in ["administrator", "owner"]):
-            return await message.reply("Only group admins and the group owner can use this command.")
-    except (PeerIdInvalid, UserNotParticipant):
-        return await message.reply("You must be a group member to use this command.")
+    if not await is_admin(client, message.chat.id, message.from_user.id):
+        return await message.reply("Only group admins and the group owner can use this command.")
 
     arg = message.command[1].lower()
     if arg == "enable":