forked-synapse/synapse/storage/profile.py
2018-07-18 18:05:29 +01:00

254 lines
8.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector 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.
from twisted.internet import defer
from synapse.storage.roommember import ProfileInfo
from synapse.api.errors import StoreError
from ._base import SQLBaseStore
BATCH_SIZE = 100
class ProfileWorkerStore(SQLBaseStore):
@defer.inlineCallbacks
def get_profileinfo(self, user_localpart):
try:
profile = yield self._simple_select_one(
table="profiles",
keyvalues={"user_id": user_localpart},
retcols=("displayname", "avatar_url"),
desc="get_profileinfo",
)
except StoreError as e:
if e.code == 404:
# no match
defer.returnValue(ProfileInfo(None, None))
return
else:
raise
defer.returnValue(
ProfileInfo(
avatar_url=profile['avatar_url'],
display_name=profile['displayname'],
)
)
def get_profile_displayname(self, user_localpart):
return self._simple_select_one_onecol(
table="profiles",
keyvalues={"user_id": user_localpart},
retcol="displayname",
desc="get_profile_displayname",
)
def get_profile_avatar_url(self, user_localpart):
return self._simple_select_one_onecol(
table="profiles",
keyvalues={"user_id": user_localpart},
retcol="avatar_url",
desc="get_profile_avatar_url",
)
def get_latest_profile_replication_batch_number(self):
def f(txn):
txn.execute("SELECT MAX(batch) as maxbatch FROM profiles")
rows = self.cursor_to_dict(txn)
return rows[0]['maxbatch']
return self.runInteraction(
"get_latest_profile_replication_batch_number", f,
)
def get_profile_batch(self, batchnum):
return self._simple_select_list(
table="profiles",
keyvalues={
"batch": batchnum,
},
retcols=("user_id", "displayname", "avatar_url", "active"),
desc="get_profile_batch",
)
def assign_profile_batch(self):
def f(txn):
sql = (
"UPDATE profiles SET batch = "
"(SELECT COALESCE(MAX(batch), -1) + 1 FROM profiles) "
"WHERE user_id in ("
" SELECT user_id FROM profiles WHERE batch is NULL limit ?"
")"
)
txn.execute(sql, (BATCH_SIZE,))
return txn.rowcount
return self.runInteraction("assign_profile_batch", f)
def get_replication_hosts(self):
def f(txn):
txn.execute("SELECT host, last_synced_batch FROM profile_replication_status")
rows = self.cursor_to_dict(txn)
return {r['host']: r['last_synced_batch'] for r in rows}
return self.runInteraction("get_replication_hosts", f)
def update_replication_batch_for_host(self, host, last_synced_batch):
return self._simple_upsert(
table="profile_replication_status",
keyvalues={"host": host},
values={
"last_synced_batch": last_synced_batch,
},
desc="update_replication_batch_for_host",
)
def get_from_remote_profile_cache(self, user_id):
return self._simple_select_one(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
retcols=("displayname", "avatar_url",),
allow_none=True,
desc="get_from_remote_profile_cache",
)
class ProfileStore(ProfileWorkerStore):
def set_profile_displayname(self, user_localpart, new_displayname, batchnum):
return self._simple_upsert(
table="profiles",
keyvalues={"user_id": user_localpart},
values={
"displayname": new_displayname,
"batch": batchnum,
},
desc="set_profile_displayname",
lock=False # we can do this because user_id has a unique index
)
def set_profile_avatar_url(self, user_localpart, new_avatar_url, batchnum):
return self._simple_upsert(
table="profiles",
keyvalues={"user_id": user_localpart},
values={
"avatar_url": new_avatar_url,
"batch": batchnum,
},
desc="set_profile_avatar_url",
lock=False # we can do this because user_id has a unique index
)
def set_profile_active(self, user_localpart, active, batchnum):
values = {
"active": active,
"batch": batchnum,
}
if not active:
values["avatar_url"] = None
values["displayname"] = None
return self._simple_upsert(
table="profiles",
keyvalues={"user_id": user_localpart},
values=values,
desc="set_profile_active",
lock=False # we can do this because user_id has a unique index
)
def add_remote_profile_cache(self, user_id, displayname, avatar_url):
"""Ensure we are caching the remote user's profiles.
This should only be called when `is_subscribed_remote_profile_for_user`
would return true for the user.
"""
return self._simple_upsert(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
values={
"displayname": displayname,
"avatar_url": avatar_url,
"last_check": self._clock.time_msec(),
},
desc="add_remote_profile_cache",
)
def update_remote_profile_cache(self, user_id, displayname, avatar_url):
return self._simple_update(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
values={
"displayname": displayname,
"avatar_url": avatar_url,
"last_check": self._clock.time_msec(),
},
desc="update_remote_profile_cache",
)
@defer.inlineCallbacks
def maybe_delete_remote_profile_cache(self, user_id):
"""Check if we still care about the remote user's profile, and if we
don't then remove their profile from the cache
"""
subscribed = yield self.is_subscribed_remote_profile_for_user(user_id)
if not subscribed:
yield self._simple_delete(
table="remote_profile_cache",
keyvalues={"user_id": user_id},
desc="delete_remote_profile_cache",
)
def get_remote_profile_cache_entries_that_expire(self, last_checked):
"""Get all users who haven't been checked since `last_checked`
"""
def _get_remote_profile_cache_entries_that_expire_txn(txn):
sql = """
SELECT user_id, displayname, avatar_url
FROM remote_profile_cache
WHERE last_check < ?
"""
txn.execute(sql, (last_checked,))
return self.cursor_to_dict(txn)
return self.runInteraction(
"get_remote_profile_cache_entries_that_expire",
_get_remote_profile_cache_entries_that_expire_txn,
)
@defer.inlineCallbacks
def is_subscribed_remote_profile_for_user(self, user_id):
"""Check whether we are interested in a remote user's profile.
"""
res = yield self._simple_select_one_onecol(
table="group_users",
keyvalues={"user_id": user_id},
retcol="user_id",
allow_none=True,
desc="should_update_remote_profile_cache_for_user",
)
if res:
defer.returnValue(True)
res = yield self._simple_select_one_onecol(
table="group_invites",
keyvalues={"user_id": user_id},
retcol="user_id",
allow_none=True,
desc="should_update_remote_profile_cache_for_user",
)
if res:
defer.returnValue(True)