4 files changed, 118 insertions, 1 deletions
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index 277581b4e2..89a1e60c2b 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -32,9 +32,9 @@ from .event_federation import EventFederationStore
 from .pusher import PusherStore
 from .push_rule import PushRuleStore
 from .media_repository import MediaRepositoryStore
-
 from .state import StateStore
 from .signatures import SignatureStore
+from .filtering import FilteringStore
 
 from syutil.base64util import decode_base64
 from syutil.jsonutil import encode_canonical_json
@@ -64,6 +64,7 @@ SCHEMAS = [
     "event_signatures",
     "pusher",
     "media_repository",
+    "filtering",
 ]
 
 
@@ -85,6 +86,7 @@ class DataStore(RoomMemberStore, RoomStore,
                 DirectoryStore, KeyStore, StateStore, SignatureStore,
                 EventFederationStore,
                 MediaRepositoryStore,
+                FilteringStore,
                 PusherStore,
                 PushRuleStore
                 ):
diff --git a/synapse/storage/filtering.py b/synapse/storage/filtering.py
new file mode 100644
index 0000000000..cb01c2040f
--- /dev/null
+++ b/synapse/storage/filtering.py
@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+# Copyright 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 twisted.internet import defer
+
+from ._base import SQLBaseStore
+
+import json
+
+
+# TODO(paul)
+_filters_for_user = {}
+
+
+class FilteringStore(SQLBaseStore):
+    @defer.inlineCallbacks
+    def get_user_filter(self, user_localpart, filter_id):
+        def_json = yield self._simple_select_one_onecol(
+            table="user_filters",
+            keyvalues={
+                "user_id": user_localpart,
+                "filter_id": filter_id,
+            },
+            retcol="filter_json",
+            allow_none=False,
+        )
+
+        defer.returnValue(json.loads(def_json))
+
+    def add_user_filter(self, user_localpart, user_filter):
+        def_json = json.dumps(user_filter)
+
+        # Need an atomic transaction to SELECT the maximal ID so far then
+        # INSERT a new one
+        def _do_txn(txn):
+            sql = (
+                "SELECT MAX(filter_id) FROM user_filters "
+                "WHERE user_id = ?"
+            )
+            txn.execute(sql, (user_localpart,))
+            max_id = txn.fetchone()[0]
+            if max_id is None:
+                filter_id = 0
+            else:
+                filter_id = max_id + 1
+
+            sql = (
+                "INSERT INTO user_filters (user_id, filter_id, filter_json)"
+                "VALUES(?, ?, ?)"
+            )
+            txn.execute(sql, (user_localpart, filter_id, def_json))
+
+            return filter_id
+
+        return self.runInteraction("add_user_filter", _do_txn)
diff --git a/synapse/storage/schema/delta/v13.sql b/synapse/storage/schema/delta/v13.sql
new file mode 100644
index 0000000000..beb39ca201
--- /dev/null
+++ b/synapse/storage/schema/delta/v13.sql
@@ -0,0 +1,24 @@
+/* Copyright 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.
+ */
+CREATE TABLE IF NOT EXISTS user_filters(
+  user_id TEXT,
+  filter_id INTEGER,
+  filter_json TEXT,
+  FOREIGN KEY(user_id) REFERENCES users(id)
+);
+
+CREATE INDEX IF NOT EXISTS user_filters_by_user_id_filter_id ON user_filters(
+  user_id, filter_id
+);
diff --git a/synapse/storage/schema/filtering.sql b/synapse/storage/schema/filtering.sql
new file mode 100644
index 0000000000..beb39ca201
--- /dev/null
+++ b/synapse/storage/schema/filtering.sql
@@ -0,0 +1,24 @@
+/* Copyright 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.
+ */
+CREATE TABLE IF NOT EXISTS user_filters(
+  user_id TEXT,
+  filter_id INTEGER,
+  filter_json TEXT,
+  FOREIGN KEY(user_id) REFERENCES users(id)
+);
+
+CREATE INDEX IF NOT EXISTS user_filters_by_user_id_filter_id ON user_filters(
+  user_id, filter_id
+);