synapse-product/synapse/storage/account_data.py

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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 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.
from ._base import SQLBaseStore
from twisted.internet import defer
import ujson as json
import logging
logger = logging.getLogger(__name__)
class AccountDataStore(SQLBaseStore):
def get_account_data_for_user(self, user_id):
"""Get all the client account_data for a user.
Args:
user_id(str): The user to get the account_data for.
Returns:
A deferred pair of a dict of global account_data and a dict
mapping from room_id string to per room account_data dicts.
"""
def get_account_data_for_user_txn(txn):
rows = self._simple_select_list_txn(
txn, "account_data", {"user_id": user_id},
["account_data_type", "content"]
)
global_account_data = {
row["account_data_type"]: json.loads(row["content"]) for row in rows
}
rows = self._simple_select_list_txn(
txn, "room_account_data", {"user_id": user_id},
["room_id", "account_data_type", "content"]
)
by_room = {}
for row in rows:
room_data = by_room.setdefault(row["room_id"], {})
room_data[row["account_data_type"]] = json.loads(row["content"])
return (global_account_data, by_room)
return self.runInteraction(
"get_account_data_for_user", get_account_data_for_user_txn
)
def get_account_data_for_room(self, user_id, room_id):
"""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.
Returns:
A deferred dict of the room account_data
"""
def get_account_data_for_room_txn(txn):
rows = self._simple_select_list_txn(
txn, "room_account_data", {"user_id": user_id, "room_id": room_id},
["account_data_type", "content"]
)
return {
row["account_data_type"]: json.loads(row["content"]) for row in rows
}
return self.runInteraction(
"get_account_data_for_room", get_account_data_for_room_txn
)
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def get_updated_account_data_for_user(self, user_id, stream_id, room_ids=None):
"""Get all the client account_data for a that's changed.
Args:
user_id(str): The user to get the account_data for.
stream_id(int): The point in the stream since which to get updates
Returns:
A deferred pair of a dict of global account_data and a dict
mapping from room_id string to per room account_data dicts.
"""
def get_updated_account_data_for_user_txn(txn):
sql = (
"SELECT account_data_type, content FROM account_data"
" WHERE user_id = ? AND stream_id > ?"
)
txn.execute(sql, (user_id, stream_id))
global_account_data = {
row[0]: json.loads(row[1]) for row in txn.fetchall()
}
sql = (
"SELECT room_id, account_data_type, content FROM room_account_data"
" WHERE user_id = ? AND stream_id > ?"
)
txn.execute(sql, (user_id, stream_id))
account_data_by_room = {}
for row in txn.fetchall():
room_account_data = account_data_by_room.setdefault(row[0], {})
room_account_data[row[1]] = json.loads(row[2])
return (global_account_data, account_data_by_room)
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changed = self._account_data_stream_cache.has_entity_changed(
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user_id, int(stream_id)
)
if not changed:
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return ({}, {})
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return self.runInteraction(
"get_updated_account_data_for_user", get_updated_account_data_for_user_txn
)
@defer.inlineCallbacks
def add_account_data_to_room(self, user_id, room_id, account_data_type, content):
"""Add some account_data to a room for a user.
Args:
user_id(str): The user to add a tag for.
room_id(str): The room to add a tag for.
account_data_type(str): The type of account_data to add.
content(dict): A json object to associate with the tag.
Returns:
A deferred that completes once the account_data has been added.
"""
content_json = json.dumps(content)
def add_account_data_txn(txn, next_id):
self._simple_upsert_txn(
txn,
table="room_account_data",
keyvalues={
"user_id": user_id,
"room_id": room_id,
"account_data_type": account_data_type,
},
values={
"stream_id": next_id,
"content": content_json,
}
)
txn.call_after(
self._account_data_stream_cache.entity_has_changed,
user_id, next_id,
)
self._update_max_stream_id(txn, next_id)
with (yield self._account_data_id_gen.get_next(self)) as next_id:
yield self.runInteraction(
"add_room_account_data", add_account_data_txn, next_id
)
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result = yield self._account_data_id_gen.get_max_token()
defer.returnValue(result)
@defer.inlineCallbacks
def add_account_data_for_user(self, user_id, account_data_type, content):
"""Add some account_data to a room for a user.
Args:
user_id(str): The user to add a tag for.
account_data_type(str): The type of account_data to add.
content(dict): A json object to associate with the tag.
Returns:
A deferred that completes once the account_data has been added.
"""
content_json = json.dumps(content)
def add_account_data_txn(txn, next_id):
self._simple_upsert_txn(
txn,
table="account_data",
keyvalues={
"user_id": user_id,
"account_data_type": account_data_type,
},
values={
"stream_id": next_id,
"content": content_json,
}
)
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txn.call_after(
self._account_data_stream_cache.entity_has_changed,
user_id, next_id,
)
self._update_max_stream_id(txn, next_id)
with (yield self._account_data_id_gen.get_next(self)) as next_id:
yield self.runInteraction(
"add_user_account_data", add_account_data_txn, next_id
)
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result = yield self._account_data_id_gen.get_max_token()
defer.returnValue(result)
def _update_max_stream_id(self, txn, next_id):
"""Update the max stream_id
Args:
txn: The database cursor
next_id(int): The the revision to advance to.
"""
update_max_id_sql = (
"UPDATE account_data_max_stream_id"
" SET stream_id = ?"
" WHERE stream_id < ?"
)
txn.execute(update_max_id_sql, (next_id, next_id))