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# -*- coding: utf-8 -*-
# Copyright 2017 Vector Creations 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 ._base import SQLBaseStore
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from synapse.api.constants import EventTypes, JoinRules
from synapse.storage.engines import PostgresEngine, Sqlite3Engine
class UserDirectoryStore(SQLBaseStore):
@cachedInlineCallbacks(cache_context=True)
def is_room_world_readable_or_publicly_joinable(self, room_id, cache_context):
current_state_ids = yield self.get_current_state_ids(
room_id, on_invalidate=cache_context.invalidate
)
join_rules_id = current_state_ids.get((EventTypes.JoinRules, ""))
if join_rules_id:
join_rule_ev = yield self.get_event(join_rules_id, allow_none=True)
if join_rule_ev:
if join_rule_ev.content.get("join_rules") == JoinRules.PUBLIC:
defer.returnValue(True)
hist_vis_id = current_state_ids.get((EventTypes.RoomHistoryVisibility, ""))
if hist_vis_id:
hist_vis_ev = yield self.get_event(hist_vis_id, allow_none=True)
if hist_vis_ev:
if hist_vis_ev.content.get("history_visibility") == "world_readable":
defer.returnValue(True)
defer.returnValue(False)
def add_profiles_to_user_dir(self, room_id, users_with_profile):
if isinstance(self.database_engine, PostgresEngine):
sql = """
INSERT INTO user_directory
(user_id, room_id, display_name, avatar_url, vector)
VALUES (?,?,?,?,to_tsvector('english', ?))
"""
elif isinstance(self.database_engine, Sqlite3Engine):
sql = """
INSERT INTO user_directory
(user_id, room_id, display_name, avatar_url, value)
VALUES (?,?,?,?,?)
"""
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
def _add_profiles_to_user_dir_txn(txn):
txn.executemany(sql, (
(
user_id, room_id, p.display_name, p.avatar_url,
"%s %s" % (user_id, p.display_name,) if p.display_name else user_id
)
for user_id, p in users_with_profile.iteritems()
))
for user_id in users_with_profile:
txn.call_after(
self.get_user_in_directory.invalidate, (user_id,)
)
return self.runInteraction(
"add_profiles_to_user_dir", _add_profiles_to_user_dir_txn
)
@defer.inlineCallbacks
def remove_from_user_dir(self, user_id):
yield self._simple_delete(
table="user_directory",
keyvalues={"user_id": user_id},
desc="remove_from_user_dir",
)
self.get_user_in_directory.invalidate((user_id,))
def get_all_rooms(self):
return self._simple_select_onecol(
table="current_state_events",
keyvalues={},
retcol="DISTINCT room_id",
desc="get_all_rooms",
)
def delete_all_from_user_dir(self):
def _delete_all_from_user_dir_txn(txn):
txn.execute("DELETE FROM user_directory")
txn.call_after(self.get_user_in_directory.invalidate_all)
return self.runInteraction(
"delete_all_from_user_dir", _delete_all_from_user_dir_txn
)
@cached()
def get_user_in_directory(self, user_id):
return self._simple_select_one(
table="user_directory",
keyvalues={"user_id": user_id},
retcols=("room_id", "display_name", "avatar_url",),
allow_none=True,
desc="get_user_in_directory",
)
def get_user_directory_stream_pos(self):
return self._simple_select_one_onecol(
table="user_directory_stream_pos",
keyvalues={},
retcol="stream_id",
desc="get_user_directory_stream_pos",
)
def update_user_directory_stream_pos(self, stream_id):
return self._simple_update_one(
table="user_directory_stream_pos",
keyvalues={},
updatevalues={"stream_id": stream_id},
desc="update_user_directory_stream_pos",
)
def get_current_state_deltas(self, prev_stream_id):
# TODO: Add stream change cache
# TODO: Add limit
sql = """
SELECT stream_id, room_id, type, state_key, event_id, prev_event_id
FROM current_state_delta_stream
WHERE stream_id > ?
ORDER BY stream_id ASC
"""
return self._execute(
"get_current_state_deltas", self.cursor_to_dict, sql, prev_stream_id
)
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