Add API for setting account_data globaly or on a per room basis

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))