Convert search code to async/await. (#7460)

pull/7473/head
Patrick Cloke 2020-05-11 15:12:39 -04:00 committed by GitHub
parent 7cb8b4bc67
commit be309d99cf
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2 changed files with 21 additions and 24 deletions

1
changelog.d/7460.misc Normal file
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@ -0,0 +1 @@
Convert the search handler to async/await.

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@ -18,8 +18,6 @@ import logging
from unpaddedbase64 import decode_base64, encode_base64
from twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.api.errors import NotFoundError, SynapseError
from synapse.api.filtering import Filter
@ -39,8 +37,7 @@ class SearchHandler(BaseHandler):
self.state_store = self.storage.state
self.auth = hs.get_auth()
@defer.inlineCallbacks
def get_old_rooms_from_upgraded_room(self, room_id):
async def get_old_rooms_from_upgraded_room(self, room_id):
"""Retrieves room IDs of old rooms in the history of an upgraded room.
We do so by checking the m.room.create event of the room for a
@ -60,7 +57,7 @@ class SearchHandler(BaseHandler):
historical_room_ids = []
# The initial room must have been known for us to get this far
predecessor = yield self.store.get_room_predecessor(room_id)
predecessor = await self.store.get_room_predecessor(room_id)
while True:
if not predecessor:
@ -75,7 +72,7 @@ class SearchHandler(BaseHandler):
# Don't add it to the list until we have checked that we are in the room
try:
next_predecessor_room = yield self.store.get_room_predecessor(
next_predecessor_room = await self.store.get_room_predecessor(
predecessor_room_id
)
except NotFoundError:
@ -89,8 +86,7 @@ class SearchHandler(BaseHandler):
return historical_room_ids
@defer.inlineCallbacks
def search(self, user, content, batch=None):
async def search(self, user, content, batch=None):
"""Performs a full text search for a user.
Args:
@ -179,7 +175,7 @@ class SearchHandler(BaseHandler):
search_filter = Filter(filter_dict)
# TODO: Search through left rooms too
rooms = yield self.store.get_rooms_for_local_user_where_membership_is(
rooms = await self.store.get_rooms_for_local_user_where_membership_is(
user.to_string(),
membership_list=[Membership.JOIN],
# membership_list=[Membership.JOIN, Membership.LEAVE, Membership.Ban],
@ -192,7 +188,7 @@ class SearchHandler(BaseHandler):
historical_room_ids = []
for room_id in search_filter.rooms:
# Add any previous rooms to the search if they exist
ids = yield self.get_old_rooms_from_upgraded_room(room_id)
ids = await self.get_old_rooms_from_upgraded_room(room_id)
historical_room_ids += ids
# Prevent any historical events from being filtered
@ -223,7 +219,7 @@ class SearchHandler(BaseHandler):
count = None
if order_by == "rank":
search_result = yield self.store.search_msgs(room_ids, search_term, keys)
search_result = await self.store.search_msgs(room_ids, search_term, keys)
count = search_result["count"]
@ -238,7 +234,7 @@ class SearchHandler(BaseHandler):
filtered_events = search_filter.filter([r["event"] for r in results])
events = yield filter_events_for_client(
events = await filter_events_for_client(
self.storage, user.to_string(), filtered_events
)
@ -267,7 +263,7 @@ class SearchHandler(BaseHandler):
# But only go around 5 times since otherwise synapse will be sad.
while len(room_events) < search_filter.limit() and i < 5:
i += 1
search_result = yield self.store.search_rooms(
search_result = await self.store.search_rooms(
room_ids,
search_term,
keys,
@ -288,7 +284,7 @@ class SearchHandler(BaseHandler):
filtered_events = search_filter.filter([r["event"] for r in results])
events = yield filter_events_for_client(
events = await filter_events_for_client(
self.storage, user.to_string(), filtered_events
)
@ -343,11 +339,11 @@ class SearchHandler(BaseHandler):
# If client has asked for "context" for each event (i.e. some surrounding
# events and state), fetch that
if event_context is not None:
now_token = yield self.hs.get_event_sources().get_current_token()
now_token = await self.hs.get_event_sources().get_current_token()
contexts = {}
for event in allowed_events:
res = yield self.store.get_events_around(
res = await self.store.get_events_around(
event.room_id, event.event_id, before_limit, after_limit
)
@ -357,11 +353,11 @@ class SearchHandler(BaseHandler):
len(res["events_after"]),
)
res["events_before"] = yield filter_events_for_client(
res["events_before"] = await filter_events_for_client(
self.storage, user.to_string(), res["events_before"]
)
res["events_after"] = yield filter_events_for_client(
res["events_after"] = await filter_events_for_client(
self.storage, user.to_string(), res["events_after"]
)
@ -390,7 +386,7 @@ class SearchHandler(BaseHandler):
[(EventTypes.Member, sender) for sender in senders]
)
state = yield self.state_store.get_state_for_event(
state = await self.state_store.get_state_for_event(
last_event_id, state_filter
)
@ -412,10 +408,10 @@ class SearchHandler(BaseHandler):
time_now = self.clock.time_msec()
for context in contexts.values():
context["events_before"] = yield self._event_serializer.serialize_events(
context["events_before"] = await self._event_serializer.serialize_events(
context["events_before"], time_now
)
context["events_after"] = yield self._event_serializer.serialize_events(
context["events_after"] = await self._event_serializer.serialize_events(
context["events_after"], time_now
)
@ -423,7 +419,7 @@ class SearchHandler(BaseHandler):
if include_state:
rooms = {e.room_id for e in allowed_events}
for room_id in rooms:
state = yield self.state_handler.get_current_state(room_id)
state = await self.state_handler.get_current_state(room_id)
state_results[room_id] = list(state.values())
state_results.values()
@ -437,7 +433,7 @@ class SearchHandler(BaseHandler):
{
"rank": rank_map[e.event_id],
"result": (
yield self._event_serializer.serialize_event(e, time_now)
await self._event_serializer.serialize_event(e, time_now)
),
"context": contexts.get(e.event_id, {}),
}
@ -452,7 +448,7 @@ class SearchHandler(BaseHandler):
if state_results:
s = {}
for room_id, state in state_results.items():
s[room_id] = yield self._event_serializer.serialize_events(
s[room_id] = await self._event_serializer.serialize_events(
state, time_now
)