1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
# -*- coding: utf-8 -*-
# Copyright 2014 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
from synapse.api.constants import Membership
import logging
logger = logging.getLogger(__name__)
class RoomMemberStore(SQLBaseStore):
def _store_room_member_from_event_txn(self, txn, event):
self._store_room_member_txn(txn,
target_user_id=event.state_key,
sender_user_id=event.user_id,
room_id=event.room_id,
event_id=event.event_id,
membership=event.membership,
)
def _store_room_member_txn(self, txn, target_user_id, sender_user_id,
room_id, event_id, membership):
"""Store a room member in the database.
"""
domain = self.hs.parse_userid(target_user_id).domain
self._simple_insert_txn(
txn,
"room_memberships",
{
"event_id": event_id,
"user_id": target_user_id,
"sender": sender_user_id,
"room_id": room_id,
"membership": membership,
}
)
# Update room hosts table
# TODO(paul): This code is massively broken currently as it doesn't
# count users per room - meaning it'll delete on the FIRST user to
# have a membership other than JOIN - say, LEAVE, or even INVITE.
# FIXME
if membership == Membership.JOIN:
sql = (
"INSERT OR IGNORE INTO room_hosts (room_id, host) "
"VALUES (?, ?)"
)
txn.execute(sql, (room_id, domain))
else:
sql = (
"DELETE FROM room_hosts WHERE room_id = ? AND host = ?"
)
txn.execute(sql, (room_id, domain))
def store_room_member(self, user_id, room_id, event_id, membership):
return self.runInteraction(self._store_room_member_txn,
user_id, user_id, room_id, event_id, membership
)
@defer.inlineCallbacks
def get_room_member(self, user_id, room_id):
"""Retrieve the current state of a room member.
Args:
user_id (str): The member's user ID.
room_id (str): The room the member is in.
Returns:
Deferred: Results in a MembershipEvent or None.
"""
rows = yield self._get_members_by_dict({
"e.room_id": room_id,
"m.user_id": user_id,
})
defer.returnValue(rows[0] if rows else None)
def _get_room_member(self, txn, user_id, room_id):
sql = (
"SELECT e.* FROM events as e"
" INNER JOIN room_memberships as m"
" ON e.event_id = m.event_id"
" INNER JOIN current_state_events as c"
" ON m.event_id = c.event_id"
" WHERE m.user_id = ? and e.room_id = ?"
" LIMIT 1"
)
txn.execute(sql, (user_id, room_id))
rows = self.cursor_to_dict(txn)
if rows:
return self._parse_events_txn(txn, rows)[0]
else:
return None
def get_room_members(self, room_id, membership=None):
"""Retrieve the current room member list for a room.
Args:
room_id (str): The room to get the list of members.
membership (synapse.api.constants.Membership): The filter to apply
to this list, or None to return all members with some state
associated with this room.
Returns:
list of namedtuples representing the members in this room.
"""
where = {"m.room_id": room_id}
if membership:
where["m.membership"] = membership
return self._get_members_by_dict(where)
def get_rooms_for_user_where_membership_is(self, user_id, membership_list):
""" Get all the rooms for this user where the membership for this user
matches one in the membership list.
Args:
user_id (str): The user ID.
membership_list (list): A list of synapse.api.constants.Membership
values which the user must be in.
Returns:
A list of dicts with "room_id" and "membership" keys.
"""
if not membership_list:
return defer.succeed(None)
args = [user_id]
args.extend(membership_list)
where_clause = "user_id = ? AND (%s)" % (
" OR ".join(["membership = ?" for _ in membership_list]),
)
return self._get_members_query(where_clause, args)
def get_joined_hosts_for_room(self, room_id):
return self._simple_select_onecol(
"room_hosts",
{"room_id": room_id},
"host"
)
def _get_members_by_dict(self, where_dict):
clause = " AND ".join("%s = ?" % k for k in where_dict.keys())
vals = where_dict.values()
return self._get_members_query(clause, vals)
@defer.inlineCallbacks
def _get_members_query(self, where_clause, where_values):
sql = (
"SELECT e.* FROM events as e "
"INNER JOIN room_memberships as m "
"ON e.event_id = m.event_id "
"INNER JOIN current_state_events as c "
"ON m.event_id = c.event_id "
"WHERE %s "
) % (where_clause,)
rows = yield self._execute_and_decode(sql, *where_values)
# logger.debug("_get_members_query Got rows %s", rows)
results = yield self._parse_events(rows)
defer.returnValue(results)
@defer.inlineCallbacks
def user_rooms_intersect(self, user_list):
""" Checks whether a list of users share a room.
"""
user_list_clause = " OR ".join(["m.user_id = ?"] * len(user_list))
sql = (
"SELECT m.room_id FROM room_memberships as m "
"INNER JOIN current_state_events as c "
"ON m.event_id = c.event_id "
"WHERE m.membership = 'join' "
"AND (%(clause)s) "
"GROUP BY m.room_id HAVING COUNT(m.room_id) = ?"
) % {"clause": user_list_clause}
args = user_list
args.append(len(user_list))
rows = yield self._execute(None, sql, *args)
defer.returnValue(len(rows) > 0)
|
