Improve caching for read_marker API

We add a new storage function to get a paritcular type of room account
data. This allows us to prefill the cache when updating that acount
data.
This commit is contained in:
Erik Johnston 2018-03-01 15:53:04 +00:00
parent 33bebb63f3
commit a83c514d1f
3 changed files with 41 additions and 3 deletions

View file

@ -41,9 +41,9 @@ class ReadMarkerHandler(BaseHandler):
"""
with (yield self.read_marker_linearizer.queue((room_id, user_id))):
account_data = yield self.store.get_account_data_for_room(user_id, room_id)
existing_read_marker = account_data.get("m.fully_read", None)
existing_read_marker = yield self.store.get_account_data_for_room_and_type(
user_id, room_id, "m.fully_read",
)
should_update = True

View file

@ -57,6 +57,9 @@ class SlavedAccountDataStore(TagsWorkerStore, AccountDataWorkerStore, BaseSlaved
)
self.get_account_data_for_user.invalidate((row.user_id,))
self.get_account_data_for_room.invalidate((row.user_id, row.room_id,))
self.get_account_data_for_room_and_type.invalidate(
(row.user_id, row.room_id, row.account_data_type,),
)
self._account_data_stream_cache.entity_has_changed(
row.user_id, token
)

View file

@ -157,6 +157,38 @@ class AccountDataWorkerStore(SQLBaseStore):
"get_account_data_for_room", get_account_data_for_room_txn
)
@cached(num_args=3, max_entries=5000)
def get_account_data_for_room_and_type(self, user_id, room_id, account_data_type):
"""Get all the client account_data for a user for a room.
Args:
user_id(str): The user to get the account_data for.
room_id(str): The room to get the account_data for.
account_data_type (str): The account data type to get.
Returns:
A deferred dict of the room account_data for that type, or None if
there isn't any set.
"""
def get_account_data_for_room_and_type_txn(txn):
content_json = self._simple_select_one_onecol_txn(
txn,
table="room_account_data",
keyvalues={
"user_id": user_id,
"room_id": room_id,
"account_data_type": account_data_type,
},
retcol="content",
allow_none=True
)
return json.loads(content_json) if content_json else None
return self.runInteraction(
"get_account_data_for_room_and_type",
get_account_data_for_room_and_type_txn,
)
def get_all_updated_account_data(self, last_global_id, last_room_id,
current_id, limit):
"""Get all the client account_data that has changed on the server
@ -312,6 +344,9 @@ class AccountDataStore(AccountDataWorkerStore):
self._account_data_stream_cache.entity_has_changed(user_id, next_id)
self.get_account_data_for_user.invalidate((user_id,))
self.get_account_data_for_room.invalidate((user_id, room_id,))
self.get_account_data_for_room_and_type.prefill(
(user_id, room_id, account_data_type,), content,
)
result = self._account_data_id_gen.get_current_token()
defer.returnValue(result)