Handle RRs which arrive before their events

This commit is contained in:
Richard van der Hoff 2018-06-01 14:01:43 +01:00
parent 857e6fd8b6
commit 9f797a24a4
1 changed files with 18 additions and 24 deletions

View File

@ -13,7 +13,7 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from synapse.api.errors import NotFoundError
from ._base import SQLBaseStore
from .util.id_generators import StreamIdGenerator
from synapse.util.caches.descriptors import cachedInlineCallbacks, cachedList, cached
@ -340,32 +340,26 @@ class ReceiptsStore(ReceiptsWorkerStore):
allow_none=True
)
if not res:
raise NotFoundError(
"Cannot set read receipt on unknown event %s" % (
event_id,
),
)
stream_ordering = int(res["stream_ordering"])
stream_ordering = int(res["stream_ordering"]) if res else None
# We don't want to clobber receipts for more recent events, so we
# have to compare orderings of existing receipts
sql = (
"SELECT stream_ordering, event_id FROM events"
" INNER JOIN receipts_linearized as r USING (event_id, room_id)"
" WHERE r.room_id = ? AND r.receipt_type = ? AND r.user_id = ?"
)
txn.execute(sql, (room_id, receipt_type, user_id))
if stream_ordering is not None:
sql = (
"SELECT stream_ordering, event_id FROM events"
" INNER JOIN receipts_linearized as r USING (event_id, room_id)"
" WHERE r.room_id = ? AND r.receipt_type = ? AND r.user_id = ?"
)
txn.execute(sql, (room_id, receipt_type, user_id))
for so, eid in txn:
if int(so) >= stream_ordering:
logger.debug(
"Ignoring new receipt for %s in favour of existing "
"one for later event %s",
event_id, eid,
)
return False
for so, eid in txn:
if int(so) >= stream_ordering:
logger.debug(
"Ignoring new receipt for %s in favour of existing "
"one for later event %s",
event_id, eid,
)
return False
txn.call_after(
self.get_receipts_for_room.invalidate, (room_id, receipt_type)
@ -413,7 +407,7 @@ class ReceiptsStore(ReceiptsWorkerStore):
}
)
if receipt_type == "m.read":
if receipt_type == "m.read" and stream_ordering is not None:
self._remove_old_push_actions_before_txn(
txn,
room_id=room_id,