add dump command

bots/modules/channel_helper.py

@@ -223,7 +223,7 @@ class ChannelHelperBotModuleConfig(TelegramBotModuleConfig):
             update.effective_message.reply_text('GTFO')
             return
         update.effective_message.reply_document(
-            BytesIO(json.dumps(list(QueuedItem.objects.filter(config=self).values()), indent=2).encode()),
+            BytesIO(json.dumps(list(qi.__json__() for qi in QueuedItem.objects.filter(config=self)), indent=2).encode()),
             filename='dump.json',
         )
 
@@ -251,6 +251,17 @@ class QueuedItem(models.Model):
     processed = models.BooleanField(default=False)
     datetime = models.DateTimeField(auto_now_add=True)
 
+    def __json__(self):
+        return {
+            'type': self.type,
+            'args': self.args,
+            'message_id': self.message_id,
+            'message_ids_extra': self.message_ids_extra,
+            'image_hash': self.image_hash,
+            'processed': self.processed,
+            'datetime': self.datetime.isoformat(),
+        }
+
     def send(self, bot: Bot):
         if self.type == 'photo' and self.config.should_send_photo_group():
             items = [self] + list(self.config.get_additional_images(self.pk))