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Generate presence event-stream JSON structures directly

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Paul "LeoNerd" Evans 2015-04-23 18:27:25 +01:00
parent 6d15401341
commit 191f7f09ce
1 changed files with 9 additions and 8 deletions
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17
synapse/handlers/presence.py
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@ -836,6 +836,8 @@ class PresenceEventSource(object):
presence = self.hs.get_handlers().presence_handler
cachemap = presence._user_cachemap
clock = self.clock
latest_serial = None
updates = []
# TODO(paul): use a DeferredList ? How to limit concurrency.
@ -845,18 +847,17 @@ class PresenceEventSource(object):
if cached.serial <= from_key:
continue
if (yield self.is_visible(observer_user, observed_user)):
updates.append((observed_user, cached))
if not (yield self.is_visible(observer_user, observed_user)):
continue
if latest_serial is None or cached.serial > latest_serial:
latest_serial = cached.serial
updates.append(cached.make_event(user=observed_user, clock=clock))
# TODO(paul): limit
if updates:
clock = self.clock
latest_serial = max([x[1].serial for x in updates])
data = [x[1].make_event(user=x[0], clock=clock) for x in updates]
defer.returnValue((data, latest_serial))
defer.returnValue((updates, latest_serial))
else:
defer.returnValue(([], presence._user_cachemap_latest_serial))