def unify_update(self, event: Event, payload: str = None) -> Update:
"""
Create the internal `Update` type from facebook's `Event`
"""
ud = Update()
ud.original_update = event
ud.client_name = self.client_name
ud.message_id = event.message_mid
ud.datetime = datetime.datetime.fromtimestamp(event.timestamp / 1000.0)
ud.payload = payload
ud.user, created = User.get_or_create(facebook_id=event.sender_id)
if created:
ud.user.save()
if event.message_attachments:
try:
voice = next(x for x in event.message_attachments if x.get('type') == 'audio')
ud.voice_id = voice['payload']['url']
except StopIteration:
pass
if hasattr(event, 'message_text'):
ud.message_text = event.message_text
return ud
