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Check whether prev_content or prev_sender is set before trying to rollback state

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This commit is contained in:
Mark Haines 2015-12-14 14:09:21 +00:00
parent a874c0894a
commit 834924248f
1 changed files with 13 additions and 8 deletions
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9
synapse/rest/client/v2_alpha/sync.py
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@ -357,14 +357,19 @@ class SyncRestServlet(RestServlet):
if prev_event_id is None: if prev_event_id is None:
del result[event_key] del result[event_key]
else: else:
prev_content = timeline_event.unsigned.get('prev_content')
prev_sender = timeline_event.unsigned.get('prev_sender')
if prev_content and prev_sender:
result[event_key] = FrozenEvent({ result[event_key] = FrozenEvent({
"type": timeline_event.type, "type": timeline_event.type,
"state_key": timeline_event.state_key, "state_key": timeline_event.state_key,
"content": timeline_event.unsigned['prev_content'], "content": prev_content,
"sender": timeline_event.unsigned['prev_sender'], "sender": prev_sender,
"event_id": prev_event_id, "event_id": prev_event_id,
"room_id": timeline_event.room_id, "room_id": timeline_event.room_id,
}) })
else:
del result[event_key]
logger.debug("New value: %r", result.get(event_key)) logger.debug("New value: %r", result.get(event_key))
return result return result