From a24bc5b2dc3a5d81cdfbe7be367dbb461d85b999 Mon Sep 17 00:00:00 2001 From: David Baker Date: Mon, 23 May 2016 18:33:51 +0100 Subject: [PATCH] Add GET /notifications API --- synapse/rest/__init__.py | 2 + synapse/rest/client/v2_alpha/notifications.py | 100 ++++++++++++++++++ synapse/storage/event_push_actions.py | 28 +++++ synapse/storage/receipts.py | 25 +++++ 4 files changed, 155 insertions(+) create mode 100644 synapse/rest/client/v2_alpha/notifications.py diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py index 8b223e032..c729dee47 100644 --- a/synapse/rest/__init__.py +++ b/synapse/rest/__init__.py @@ -46,6 +46,7 @@ from synapse.rest.client.v2_alpha import ( account_data, report_event, openid, + notifications, ) from synapse.http.server import JsonResource @@ -90,3 +91,4 @@ class ClientRestResource(JsonResource): account_data.register_servlets(hs, client_resource) report_event.register_servlets(hs, client_resource) openid.register_servlets(hs, client_resource) + notifications.register_servlets(hs, client_resource) diff --git a/synapse/rest/client/v2_alpha/notifications.py b/synapse/rest/client/v2_alpha/notifications.py new file mode 100644 index 000000000..505e99839 --- /dev/null +++ b/synapse/rest/client/v2_alpha/notifications.py @@ -0,0 +1,100 @@ +# -*- coding: utf-8 -*- +# Copyright 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 twisted.internet import defer + +from synapse.http.servlet import ( + RestServlet, parse_string, parse_integer +) +from synapse.events.utils import ( + serialize_event, format_event_for_client_v2_without_room_id, +) + +from ._base import client_v2_patterns + +import logging + +logger = logging.getLogger(__name__) + + +class NotificationsServlet(RestServlet): + PATTERNS = client_v2_patterns("/notifications$", releases=()) + + def __init__(self, hs): + super(NotificationsServlet, self).__init__() + self.store = hs.get_datastore() + self.auth = hs.get_auth() + self.clock = hs.get_clock() + + @defer.inlineCallbacks + def on_GET(self, request): + requester = yield self.auth.get_user_by_req(request) + user_id = requester.user.to_string() + + from_token = parse_string(request, "from", required=False) + limit = parse_integer(request, "limit", default=50) + + limit = min(limit, 500) + + push_actions = yield self.store.get_push_actions_for_user( + user_id, from_token, limit + ) + + receipts_by_room = yield self.store.get_receipts_for_user_with_orderings( + user_id, 'm.read' + ) + + notif_event_ids = [pa["event_id"] for pa in push_actions] + notif_events = yield self.store.get_events(notif_event_ids) + + returned_push_actions = [] + + next_token = None + + for pa in push_actions: + returned_pa = { + "room_id": pa["room_id"], + "profile_tag": pa["profile_tag"], + "actions": pa["actions"], + "event": serialize_event( + notif_events[pa["event_id"]], + self.clock.time_msec(), + event_format=format_event_for_client_v2_without_room_id, + ), + } + + if pa["room_id"] not in receipts_by_room: + returned_pa["read"] = False + else: + receipt = receipts_by_room[pa["room_id"]] + + returned_pa["read"] = ( + pa["topological_ordering"] > receipt["topological_ordering"] + or ( + pa["topological_ordering"] == receipt["topological_ordering"] + and pa["stream_ordering"] > receipt["stream_ordering"] + ) + ) + returned_push_actions.append(returned_pa) + next_token = pa["stream_ordering"] + + defer.returnValue((200, { + "notifications": returned_push_actions, + "next_token": next_token, + })) + + +def register_servlets(hs, http_server): + NotificationsServlet(hs).register(http_server) diff --git a/synapse/storage/event_push_actions.py b/synapse/storage/event_push_actions.py index 4dae51a17..a9cb042b5 100644 --- a/synapse/storage/event_push_actions.py +++ b/synapse/storage/event_push_actions.py @@ -191,6 +191,34 @@ class EventPushActionsStore(SQLBaseStore): } for row in after_read_receipt + no_read_receipt ]) + @defer.inlineCallbacks + def get_push_actions_for_user(self, user_id, before=None, limit=50): + def f(txn): + before_clause = "" + if before: + before_clause = "AND stream_ordering < ?" + args = [user_id, before, limit] + else: + args = [user_id, limit] + sql = ( + "SELECT event_id, room_id, stream_ordering, topological_ordering," + " actions, profile_tag" + " FROM event_push_actions" + " WHERE user_id = ? %s" + " ORDER BY stream_ordering DESC" + " LIMIT ?" + % (before_clause,) + ) + txn.execute(sql, args) + return self.cursor_to_dict(txn) + + push_actions = yield self.runInteraction( + "get_push_actions_for_user", f + ) + for pa in push_actions: + pa["actions"] = json.loads(pa["actions"]) + defer.returnValue(push_actions) + @defer.inlineCallbacks def get_time_of_last_push_action_before(self, stream_ordering): def f(txn): diff --git a/synapse/storage/receipts.py b/synapse/storage/receipts.py index f1774f0e4..d147a6060 100644 --- a/synapse/storage/receipts.py +++ b/synapse/storage/receipts.py @@ -74,6 +74,31 @@ class ReceiptsStore(SQLBaseStore): defer.returnValue({row["room_id"]: row["event_id"] for row in rows}) + @defer.inlineCallbacks + def get_receipts_for_user_with_orderings(self, user_id, receipt_type): + def f(txn): + sql = ( + "SELECT rl.room_id, rl.event_id," + " e.topological_ordering, e.stream_ordering" + " FROM receipts_linearized rl," + " events e" + " WHERE rl.room_id = e.room_id" + " AND rl.event_id = e.event_id" + " AND user_id = ?" + ) + txn.execute(sql, (user_id,)) + return txn.fetchall() + rows = yield self.runInteraction( + "get_receipts_for_user_with_orderings", f + ) + defer.returnValue({ + row[0]: { + "event_id": row[1], + "topological_ordering": row[2], + "stream_ordering": row[3], + } for row in rows + }) + @defer.inlineCallbacks def get_linearized_receipts_for_rooms(self, room_ids, to_key, from_key=None): """Get receipts for multiple rooms for sending to clients.