add delete button to images uploaded via rpc

bots/modules/channel_helper.py

@@ -14,7 +14,7 @@ from PIL import Image
 from django.db import models
 from django.db.models import Q
 from telegram import Update, Bot, InputMediaPhoto
-from telegram.ext import Dispatcher, CallbackContext, MessageHandler, Filters, CommandHandler
+from telegram.ext import Dispatcher, CallbackContext, MessageHandler, Filters, CommandHandler, CallbackQueryHandler
 from jsonrpc import Dispatcher as RPCDispatcher
 from djconfig import config
 
@@ -60,7 +60,7 @@ class ChannelHelperBotModuleConfig(TelegramBotModuleConfig):
 
         width, height = im.size
         if width > 2000 or height > 2000:
-            im.thumbnail((2000, 2000))
+            im.thumbnail((2000, 2000), Image.LANCZOS)
         im = im.convert('RGB')
         fpath = os.path.join(tempfile.gettempdir(), '{}.jpg'.format(uuid4()))
         im.save(fpath)
@@ -193,6 +193,17 @@ class ChannelHelperBotModuleConfig(TelegramBotModuleConfig):
         except QueuedItem.DoesNotExist:
             update.effective_message.reply_text('Not found')
 
+    def handle_delete_callback(self, update: Update, ctx: CallbackContext):
+        message_id = update.message.message_id
+        try:
+            msg = QueuedItem.objects.get(Q(message_id=message_id) | Q(message_ids_extra__contains=f'{message_id}'),
+                                         config=self)
+            msg.delete()
+            update.effective_message.edit_text('Deleted', reply_markup=None)
+            update.callback_query.answer('Deleted')
+        except QueuedItem.DoesNotExist:
+            update.callback_query.answer('Not found')
+
     def handle_count(self, update: Update, ctx: CallbackContext):
         if self.users.count() and not self.users.filter(user_id=update.effective_user.id).count():
             update.effective_message.reply_text('GTFO')
@@ -202,6 +213,7 @@ class ChannelHelperBotModuleConfig(TelegramBotModuleConfig):
     def build_dispatcher(self, dispatcher: Dispatcher):
         dispatcher.add_handler(CommandHandler(['delete', 'del', 'remove', 'rem'], self.handle_delete, Filters.reply))
         dispatcher.add_handler(CommandHandler(['count'], self.handle_count))
+        dispatcher.add_handler(CallbackQueryHandler(self.handle_delete_callback, pattern=r'^del (\d+)$'))
         dispatcher.add_handler(MessageHandler(Filters.private, self.handle_message))
         return dispatcher