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Merge pull request #690 from matrix-org/erikj/member 

Store invites in a separate table.
This commit is contained in:
Erik Johnston 2016-04-05 09:12:27 +01:00
parent bf14883a04 0c53d750e7
commit 7a77f8b6d5
5 changed files with 155 additions and 32 deletions
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5
synapse/handlers/room_member.py
View File

@ -400,7 +400,10 @@ class RoomMemberHandler(BaseHandler):
@defer.inlineCallbacks
def get_inviter(self, user_id, room_id):
invite = yield self.store.get_room_member(user_id=user_id, room_id=room_id)
invite = yield self.store.get_invite_for_user_in_room(
user_id=user_id,
room_id=room_id,
)
if invite:
defer.returnValue(UserID.from_string(invite.sender))

13
synapse/storage/events.py
View File

@ -367,7 +367,8 @@ class EventsStore(SQLBaseStore):
event
for event, _ in events_and_contexts
if event.type == EventTypes.Member
]
],
backfilled=backfilled,
)
def event_dict(event):
@ -485,14 +486,8 @@ class EventsStore(SQLBaseStore):
return
for event, _ in state_events_and_contexts:
if (not event.internal_metadata.is_invite_from_remote()
and event.internal_metadata.is_outlier()):
# Outlier events generally shouldn't clobber the current state.
# However invites from remote severs for rooms we aren't in
# are a bit special: they don't come with any associated
# state so are technically an outlier, however all the
# client-facing code assumes that they are in the current
# state table so we insert the event anyway.
if event.internal_metadata.is_outlier():
# Outlier events shouldn't clobber the current state.
continue
if context.rejected:

2
synapse/storage/prepare_database.py
View File

@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
# Remember to update this number every time a change is made to database
# schema files, so the users will be informed on server restarts.
SCHEMA_VERSION = 30
SCHEMA_VERSION = 31
dir_path = os.path.abspath(os.path.dirname(__file__))

125
synapse/storage/roommember.py
View File

@ -36,7 +36,7 @@ RoomsForUser = namedtuple(
class RoomMemberStore(SQLBaseStore):
def _store_room_members_txn(self, txn, events):
def _store_room_members_txn(self, txn, events, backfilled):
"""Store a room member in the database.
"""
self._simple_insert_many_txn(
@ -62,6 +62,45 @@ class RoomMemberStore(SQLBaseStore):
self._membership_stream_cache.entity_has_changed,
event.state_key, event.internal_metadata.stream_ordering
)
txn.call_after(
self.get_invited_rooms_for_user.invalidate, (event.state_key,)
)
# We update the local_invites table only if the event is "current",
# i.e., its something that has just happened.
# The only current event that can also be an outlier is if its an
# invite that has come in across federation.
is_new_state = not backfilled and (
not event.internal_metadata.is_outlier()
or event.internal_metadata.is_invite_from_remote()
)
is_mine = self.hs.is_mine_id(event.state_key)
if is_new_state and is_mine:
if event.membership == Membership.INVITE:
self._simple_insert_txn(
txn,
table="local_invites",
values={
"event_id": event.event_id,
"invitee": event.state_key,
"inviter": event.sender,
"room_id": event.room_id,
"stream_id": event.internal_metadata.stream_ordering,
}
)
else:
sql = (
"UPDATE local_invites SET stream_id = ?, replaced_by = ? WHERE"
" room_id = ? AND invitee = ? AND locally_rejected is NULL"
" AND replaced_by is NULL"
)
txn.execute(sql, (
event.internal_metadata.stream_ordering,
event.event_id,
event.room_id,
event.state_key,
))
def get_room_member(self, user_id, room_id):
"""Retrieve the current state of a room member.
@ -127,6 +166,24 @@ class RoomMemberStore(SQLBaseStore):
user_id, [Membership.INVITE]
)
@defer.inlineCallbacks
def get_invite_for_user_in_room(self, user_id, room_id):
"""Gets the invite for the given user and room
Args:
user_id (str)
room_id (str)
Returns:
Deferred: Resolves to either a RoomsForUser or None if no invite was
found.
"""
invites = yield self.get_invited_rooms_for_user(user_id)
for invite in invites:
if invite.room_id == room_id:
defer.returnValue(invite)
defer.returnValue(None)
def get_leave_and_ban_events_for_user(self, user_id):
""" Get all the leave events for a user
Args:
@ -163,29 +220,55 @@ class RoomMemberStore(SQLBaseStore):
def _get_rooms_for_user_where_membership_is_txn(self, txn, user_id,
membership_list):
where_clause = "user_id = ? AND (%s) AND forgotten = 0" % (
" OR ".join(["membership = ?" for _ in membership_list]),
)
args = [user_id]
args.extend(membership_list)
do_invite = Membership.INVITE in membership_list
membership_list = [m for m in membership_list if m != Membership.INVITE]
sql = (
"SELECT m.room_id, m.sender, m.membership, m.event_id, e.stream_ordering"
" FROM current_state_events as c"
" INNER JOIN room_memberships as m"
" ON m.event_id = c.event_id"
" INNER JOIN events as e"
" ON e.event_id = c.event_id"
" AND m.room_id = c.room_id"
" AND m.user_id = c.state_key"
" WHERE %s"
) % (where_clause,)
results = []
if membership_list:
where_clause = "user_id = ? AND (%s) AND forgotten = 0" % (
" OR ".join(["membership = ?" for _ in membership_list]),
)
txn.execute(sql, args)
return [
RoomsForUser(**r) for r in self.cursor_to_dict(txn)
]
args = [user_id]
args.extend(membership_list)
sql = (
"SELECT m.room_id, m.sender, m.membership, m.event_id, e.stream_ordering"
" FROM current_state_events as c"
" INNER JOIN room_memberships as m"
" ON m.event_id = c.event_id"
" INNER JOIN events as e"
" ON e.event_id = c.event_id"
" AND m.room_id = c.room_id"
" AND m.user_id = c.state_key"
" WHERE %s"
) % (where_clause,)
txn.execute(sql, args)
results = [
RoomsForUser(**r) for r in self.cursor_to_dict(txn)
]
if do_invite:
sql = (
"SELECT i.room_id, inviter, i.event_id, e.stream_ordering"
" FROM local_invites as i"
" INNER JOIN events as e USING (event_id)"
" WHERE invitee = ? AND locally_rejected is NULL"
" AND replaced_by is NULL"
)
txn.execute(sql, (user_id,))
results.extend(RoomsForUser(
room_id=r["room_id"],
sender=r["inviter"],
event_id=r["event_id"],
stream_ordering=r["stream_ordering"],
membership=Membership.INVITE,
) for r in self.cursor_to_dict(txn))
return results
@cached(max_entries=5000)
def get_joined_hosts_for_room(self, room_id):

42
synapse/storage/schema/delta/31/invites.sql Normal file
View File

@ -0,0 +1,42 @@
/* Copyright 2016 OpenMarket Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* 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.
*/
CREATE TABLE local_invites(
stream_id BIGINT NOT NULL,
inviter TEXT NOT NULL,
invitee TEXT NOT NULL,
event_id TEXT NOT NULL,
room_id TEXT NOT NULL,
locally_rejected TEXT,
replaced_by TEXT
);
-- Insert all invites for local users into new `invites` table
INSERT INTO local_invites SELECT
stream_ordering as stream_id,
sender as inviter,
state_key as invitee,
event_id,
room_id,
NULL as locally_rejected,
NULL as replaced_by
FROM events
NATURAL JOIN current_state_events
NATURAL JOIN room_memberships
WHERE membership = 'invite' AND state_key IN (SELECT name FROM users);
CREATE INDEX local_invites_id ON local_invites(stream_id);
CREATE INDEX local_invites_for_user_idx ON local_invites(invitee, locally_rejected, replaced_by, room_id);