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
205
206
207
208
209
210
211
212
213
214
|
# -*- coding: utf-8 -*-
# Copyright 2014, 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 ._base import SQLBaseStore, cached
from twisted.internet import defer
import logging
logger = logging.getLogger(__name__)
class ReceiptsStore(SQLBaseStore):
@defer.inlineCallbacks
def get_linearized_receipts_for_room(self, room_id, from_key, to_key):
def f(txn):
sql = (
"SELECT * FROM receipts_linearized WHERE"
" room_id = ? AND stream_id > ? AND stream_id <= ?"
)
txn.execute(
sql,
(room_id, from_key, to_key)
)
rows = self.cursor_to_dict(txn)
return rows
rows = yield self.runInteraction(
"get_linearized_receipts_for_room", f
)
result = {}
for row in rows:
result.setdefault(
row["event_id"], {}
).setdefault(
row["receipt_type"], []
).append(row["user_id"])
defer.returnValue(result)
def get_max_receipt_stream_id(self):
return self._receipts_id_gen.get_max_token(self)
@cached
@defer.inlineCallbacks
def get_graph_receipts_for_room(self, room_id):
rows = yield self._simple_select_list(
table="receipts_graph",
keyvalues={"room_id": room_id},
retcols=["receipt_type", "user_id", "event_id"],
desc="get_linearized_receipts_for_room",
)
result = {}
for row in rows:
result.setdefault(
row["user_id"], {}
).setdefault(
row["receipt_type"], []
).append(row["event_id"])
defer.returnValue(result)
def insert_linearized_receipt_txn(self, txn, room_id, receipt_type,
user_id, event_id, stream_id):
# We don't want to clobber receipts for more recent events, so we
# have to compare orderings of existing receipts
sql = (
"SELECT topological_ordering, stream_ordering, event_id FROM events"
" INNER JOIN receipts_linearized as r USING (event_id, room_id)"
" WHERE r.room_id = ? AND r.receipt_type = ? AND r.user_id = ?"
)
txn.execute(sql, (room_id, receipt_type, user_id))
results = txn.fetchall()
if results:
res = self._simple_select_one_txn(
txn,
table="events",
retcols=["topological_ordering", "stream_ordering"],
keyvalues={"event_id": event_id},
)
topological_ordering = int(res["topological_ordering"])
stream_ordering = int(res["stream_ordering"])
for to, so, _ in results:
if int(to) > topological_ordering:
return False
elif int(to) == topological_ordering and int(so) >= stream_ordering:
return False
self._simple_delete_txn(
txn,
table="receipts_linearized",
keyvalues={
"room_id": room_id,
"receipt_type": receipt_type,
"user_id": user_id,
}
)
self._simple_insert_txn(
txn,
table="receipts_linearized",
values={
"stream_id": stream_id,
"room_id": room_id,
"receipt_type": receipt_type,
"user_id": user_id,
"event_id": event_id,
}
)
return True
@defer.inlineCallbacks
def insert_receipt(self, room_id, receipt_type, user_id, event_ids):
if not event_ids:
return
if len(event_ids) == 1:
linearized_event_id = event_ids[0]
else:
# we need to points in graph -> linearized form.
def graph_to_linear(txn):
query = (
"SELECT event_id WHERE room_id = ? AND stream_ordering IN ("
" SELECT max(stream_ordering) WHERE event_id IN (%s)"
")"
) % (",".join(["?"] * len(event_ids)))
txn.execute(query, [room_id] + event_ids)
rows = txn.fetchall()
if rows:
return rows[0][0]
else:
# TODO: ARGH?!
return None
linearized_event_id = yield self.runInteraction(
"insert_receipt_conv", graph_to_linear
)
stream_id_manager = yield self._receipts_id_gen.get_next(self)
with stream_id_manager as stream_id:
have_persisted = yield self.runInteraction(
"insert_linearized_receipt",
self.insert_linearized_receipt_txn,
room_id, receipt_type, user_id, linearized_event_id,
stream_id=stream_id,
)
if not have_persisted:
defer.returnValue(None)
yield self.insert_graph_receipt(
room_id, receipt_type, user_id, event_ids
)
max_persisted_id = yield self._stream_id_gen.get_max_token(self)
defer.returnValue((stream_id, max_persisted_id))
def insert_graph_receipt(self, room_id, receipt_type,
user_id, event_ids):
return self.runInteraction(
"insert_graph_receipt",
self.insert_graph_receipt_txn,
room_id, receipt_type, user_id, event_ids,
)
def insert_graph_receipt_txn(self, txn, room_id, receipt_type,
user_id, event_ids):
self._simple_delete_txn(
txn,
table="receipts_graph",
keyvalues={
"room_id": room_id,
"receipt_type": receipt_type,
"user_id": user_id,
}
)
self._simple_insert_many_txn(
txn,
table="receipts_graph",
values=[
{
"room_id": room_id,
"receipt_type": receipt_type,
"user_id": user_id,
"event_id": event_id,
}
for event_id in event_ids
],
)
|
