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authormatrix.org <matrix@matrix.org>2014-08-12 15:10:52 +0100
committermatrix.org <matrix@matrix.org>2014-08-12 15:10:52 +0100
commit4f475c7697722e946e39e42f38f3dd03a95d8765 (patch)
tree076d96d3809fb836c7245fd9f7960e7b75888a77 /synapse/storage/message.py
downloadsynapse-4f475c7697722e946e39e42f38f3dd03a95d8765.tar.xz
Reference Matrix Home Server
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+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# 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, Table
+from synapse.api.events.room import MessageEvent
+
+import collections
+import json
+
+
+class MessageStore(SQLBaseStore):
+
+    def get_message(self, user_id, room_id, msg_id):
+        """Get a message from the store.
+
+        Args:
+            user_id (str): The ID of the user who sent the message.
+            room_id (str): The room the message was sent in.
+            msg_id (str): The unique ID for this user/room combo.
+        """
+        query = MessagesTable.select_statement(
+            "user_id = ? AND room_id = ? AND msg_id = ? " +
+            "ORDER BY id DESC LIMIT 1")
+        return self._execute(
+            MessagesTable.decode_single_result,
+            query, user_id, room_id, msg_id,
+        )
+
+    def store_message(self, user_id, room_id, msg_id, content):
+        """Store a message in the store.
+
+        Args:
+            user_id (str): The ID of the user who sent the message.
+            room_id (str): The room the message was sent in.
+            msg_id (str): The unique ID for this user/room combo.
+            content (str): The content of the message (JSON)
+        """
+        return self._simple_insert(MessagesTable.table_name, dict(
+            user_id=user_id,
+            room_id=room_id,
+            msg_id=msg_id,
+            content=content,
+        ))
+
+    def get_max_message_id(self):
+        return self._simple_max_id(MessagesTable.table_name)
+
+
+class MessagesTable(Table):
+    table_name = "messages"
+
+    fields = [
+        "id",
+        "user_id",
+        "room_id",
+        "msg_id",
+        "content"
+    ]
+
+    class EntryType(collections.namedtuple("MessageEntry", fields)):
+
+        def as_event(self, event_factory):
+            return event_factory.create_event(
+                etype=MessageEvent.TYPE,
+                room_id=self.room_id,
+                user_id=self.user_id,
+                msg_id=self.msg_id,
+                content=json.loads(self.content),
+            )