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Diffstat (limited to 'synapse/storage/account_data.py')
| -rw-r--r-- | synapse/storage/account_data.py | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/synapse/storage/account_data.py b/synapse/storage/account_data.py new file mode 100644 index 0000000000..d1829f84e8 --- /dev/null +++ b/synapse/storage/account_data.py @@ -0,0 +1,211 @@ +# -*- coding: utf-8 -*- +# Copyright 2014, 2015 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 + ) + + def get_updated_account_data_for_user(self, user_id, stream_id): + """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) + + 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, + } + ) + 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 + ) + + result = yield self._account_data_id_gen.get_max_token(self) + 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, + } + ) + 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 + ) + + result = yield self._account_data_id_gen.get_max_token(self) + 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)) |