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Speed up the get_pagination_rows as well
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@ -1154,14 +1154,28 @@ class PresenceEventSource(object):
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presence = self.hs.get_handlers().presence_handler
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cachemap = presence._user_cachemap
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user_ids_to_check = {user}
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presence_list = yield presence.store.get_presence_list(
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user.localpart, accepted=True
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)
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if presence_list is None:
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presence_list = ()
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user_ids_to_check |= set(
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UserID.from_string(p["observed_user_id"]) for p in presence_list
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)
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room_ids = yield presence.get_joined_rooms_for_user(user)
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for room_id in set(room_ids) & set(presence._room_serials):
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if presence._room_serials[room_id] >= from_key:
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joined = yield presence.get_joined_users_for_room_id(room_id)
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user_ids_to_check |= set(joined)
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updates = []
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# TODO(paul): use a DeferredList ? How to limit concurrency.
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for observed_user in cachemap.keys():
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for observed_user in user_ids_to_check & set(cachemap):
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if not (to_key < cachemap[observed_user].serial <= from_key):
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continue
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if (yield self.is_visible(observer_user, observed_user)):
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updates.append((observed_user, cachemap[observed_user]))
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updates.append((observed_user, cachemap[observed_user]))
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# TODO(paul): limit
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