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Get the destinations from the state from before the event

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Rather than the state after then event.
This commit is contained in:
Mark Haines 2017-01-04 15:13:40 +00:00
parent b6b67715ed
commit e02bdaf08b
1 changed files with 9 additions and 8 deletions
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17
synapse/federation/transaction_queue.py
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@ -19,7 +19,6 @@ from twisted.internet import defer
from .persistence import TransactionActions
from .units import Transaction, Edu
from synapse.api.constants import EventTypes
from synapse.api.errors import HttpResponseException
from synapse.util.async import run_on_reactor
from synapse.util.logcontext import preserve_context_over_fn
@ -153,20 +152,22 @@ class TransactionQueue(object):
break
for event in events:
# Get the state from before the event.
# We need to make sure that this is the state from before
# the event and not from after it.
# Otherwise if the last member on a server in a room is
# banned then it won't receive the event because it won't
# be in the room after the ban.
users_in_room = yield self.state.get_current_user_in_room(
event.room_id, latest_event_ids=[event.event_id],
event.room_id, latest_event_ids=[
prev_id for prev_id, _ in event.prev_events
],
)
destinations = set(
get_domain_from_id(user_id) for user_id in users_in_room
)
# Send all membership changes to the server that was affected.
# This ensures that if the last member of a room on a server
# was kicked or banned they get told about it.
if event.type == EventTypes.Member:
destinations.add(get_domain_from_id(event.state_key))
logger.debug("Sending %s to %r", event, destinations)
self._send_pdu(event, destinations)