MatrixSynapse/synapse/handlers/search.py

99 lines
2.9 KiB
Python

# -*- 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 BaseHandler
from synapse.api.constants import Membership
from synapse.api.filtering import Filter
from synapse.api.errors import SynapseError
from synapse.events.utils import serialize_event
import logging
logger = logging.getLogger(__name__)
class SearchHandler(BaseHandler):
def __init__(self, hs):
super(SearchHandler, self).__init__(hs)
@defer.inlineCallbacks
def search(self, user, content):
"""Performs a full text search for a user.
Args:
user (UserID)
content (dict): Search parameters
Returns:
dict to be returned to the client with results of search
"""
try:
search_term = content["search_categories"]["room_events"]["search_term"]
keys = content["search_categories"]["room_events"].get("keys", [
"content.body", "content.name", "content.topic",
])
filter_dict = content["search_categories"]["room_events"].get("filter", {})
except KeyError:
raise SynapseError(400, "Invalid search query")
filtr = Filter(filter_dict)
# TODO: Search through left rooms too
rooms = yield self.store.get_rooms_for_user_where_membership_is(
user.to_string(),
membership_list=[Membership.JOIN],
# membership_list=[Membership.JOIN, Membership.LEAVE, Membership.Ban],
)
room_ids = set(r.room_id for r in rooms)
room_ids = filtr.filter_rooms(room_ids)
rank_map, event_map = yield self.store.search_msgs(room_ids, search_term, keys)
filtered_events = filtr.filter(event_map.values())
allowed_events = yield self._filter_events_for_client(
user.to_string(), filtered_events
)
# TODO: Add a limit
time_now = self.clock.time_msec()
results = {
e.event_id: {
"rank": rank_map[e.event_id],
"result": serialize_event(e, time_now)
}
for e in allowed_events
}
logger.info("Found %d results", len(results))
defer.returnValue({
"search_categories": {
"room_events": {
"results": results,
"count": len(results)
}
}
})