Merge pull request #809 from matrix-org/erikj/cache_receipts_in_room

Add get_users_with_read_receipts_in_room cache
This commit is contained in:
Erik Johnston 2016-06-03 10:58:24 +01:00
commit 696d7c5937
2 changed files with 32 additions and 4 deletions

View File

@ -87,13 +87,13 @@ def evaluator_for_event(event, hs, store):
all_in_room = yield store.get_users_in_room(room_id)
all_in_room = set(all_in_room)
receipts = yield store.get_receipts_for_room(room_id, "m.read")
users_with_receipts = yield store.get_users_with_read_receipts_in_room(room_id)
# any users with pushers must be ours: they have pushers
user_ids = set(users_with_pushers)
for r in receipts:
if hs.is_mine_id(r['user_id']) and r['user_id'] in all_in_room:
user_ids.add(r['user_id'])
for uid in users_with_receipts:
if hs.is_mine_id(uid) and uid in all_in_room:
user_ids.add(uid)
# if this event is an invite event, we may need to run rules for the user
# who's been invited, otherwise they won't get told they've been invited

View File

@ -34,6 +34,26 @@ class ReceiptsStore(SQLBaseStore):
"ReceiptsRoomChangeCache", self._receipts_id_gen.get_current_token()
)
@cachedInlineCallbacks()
def get_users_with_read_receipts_in_room(self, room_id):
receipts = yield self.get_receipts_for_room(room_id, "m.read")
defer.returnValue(set(r['user_id'] for r in receipts))
def _invalidate_get_users_with_receipts_in_room(self, room_id, receipt_type,
user_id):
if receipt_type != "m.read":
return
# Returns an ObservableDeferred
res = self.get_users_with_read_receipts_in_room.cache.get((room_id,), None)
if res and res.called and user_id in res.result:
# We'd only be adding to the set, so no point invalidating if the
# user is already there
return
self.get_users_with_read_receipts_in_room.invalidate((room_id,))
@cached(num_args=2)
def get_receipts_for_room(self, room_id, receipt_type):
return self._simple_select_list(
@ -228,6 +248,10 @@ class ReceiptsStore(SQLBaseStore):
txn.call_after(
self.get_receipts_for_room.invalidate, (room_id, receipt_type)
)
txn.call_after(
self._invalidate_get_users_with_receipts_in_room,
room_id, receipt_type, user_id,
)
txn.call_after(
self.get_receipts_for_user.invalidate, (user_id, receipt_type)
)
@ -373,6 +397,10 @@ class ReceiptsStore(SQLBaseStore):
txn.call_after(
self.get_receipts_for_room.invalidate, (room_id, receipt_type)
)
txn.call_after(
self._invalidate_get_users_with_receipts_in_room,
room_id, receipt_type, user_id,
)
txn.call_after(
self.get_receipts_for_user.invalidate, (user_id, receipt_type)
)