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Prevent duplicate push notifications for room reads (#11835)

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lukasdenk 2022-02-17 11:23:54 +01:00 committed by GitHub
parent 73fc488783
commit 4077177390
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3 changed files with 73 additions and 68 deletions
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1
changelog.d/11835.feature Normal file
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@ -0,0 +1 @@
Make a `POST` to `/rooms/<room_id>/receipt/m.read/<event_id>` only trigger a push notification if the count of unread messages is different to the one in the last successfully sent push.

7
synapse/push/httppusher.py
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@ -109,6 +109,7 @@ class HttpPusher(Pusher):
self.data_minus_url = {}
self.data_minus_url.update(self.data)
del self.data_minus_url["url"]
self.badge_count_last_call: Optional[int] = None
def on_started(self, should_check_for_notifs: bool) -> None:
"""Called when this pusher has been started.
@ -136,7 +137,9 @@ class HttpPusher(Pusher):
self.user_id,
group_by_room=self._group_unread_count_by_room,
)
await self._send_badge(badge)
if self.badge_count_last_call is None or self.badge_count_last_call != badge:
self.badge_count_last_call = badge
await self._send_badge(badge)
def on_timer(self) -> None:
self._start_processing()
@ -402,6 +405,8 @@ class HttpPusher(Pusher):
rejected = []
if "rejected" in resp:
rejected = resp["rejected"]
else:
self.badge_count_last_call = badge
return rejected
async def _send_badge(self, badge: int) -> None:

133
tests/push/test_http.py
View File

@ -571,9 +571,7 @@ class HTTPPusherTests(HomeserverTestCase):
# Carry out our option-value specific test
#
# This push should still only contain an unread count of 1 (for 1 unread room)
self.assertEqual(
self.push_attempts[5][2]["notification"]["counts"]["unread"], 1
)
self._check_push_attempt(6, 1)
@override_config({"push": {"group_unread_count_by_room": False}})
def test_push_unread_count_message_count(self):
@ -585,11 +583,9 @@ class HTTPPusherTests(HomeserverTestCase):
# Carry out our option-value specific test
#
# We're counting every unread message, so there should now be 4 since the
# We're counting every unread message, so there should now be 3 since the
# last read receipt
self.assertEqual(
self.push_attempts[5][2]["notification"]["counts"]["unread"], 4
)
self._check_push_attempt(6, 3)
def _test_push_unread_count(self):
"""
@ -597,8 +593,9 @@ class HTTPPusherTests(HomeserverTestCase):
Note that:
* Sending messages will cause push notifications to go out to relevant users
* Sending a read receipt will cause a "badge update" notification to go out to
the user that sent the receipt
* Sending a read receipt will cause the HTTP pusher to check whether the unread
count has changed since the last push notification. If so, a "badge update"
notification goes out to the user that sent the receipt
"""
# Register the user who gets notified
user_id = self.register_user("user", "pass")
@ -642,24 +639,74 @@ class HTTPPusherTests(HomeserverTestCase):
# position in the room. We'll set the read position to this event in a moment
first_message_event_id = response["event_id"]
# Advance time a bit (so the pusher will register something has happened) and
# make the push succeed
self.push_attempts[0][0].callback({})
self.pump()
expected_push_attempts = 1
self._check_push_attempt(expected_push_attempts, 0)
# Check our push made it
self._send_read_request(access_token, first_message_event_id, room_id)
# Unread count has not changed. Therefore, ensure that read request does not
# trigger a push notification.
self.assertEqual(len(self.push_attempts), 1)
self.assertEqual(
self.push_attempts[0][1], "http://example.com/_matrix/push/v1/notify"
)
# Send another message
response2 = self.helper.send(
room_id, body="How's the weather today?", tok=other_access_token
)
second_message_event_id = response2["event_id"]
expected_push_attempts += 1
self._check_push_attempt(expected_push_attempts, 1)
self._send_read_request(access_token, second_message_event_id, room_id)
expected_push_attempts += 1
self._check_push_attempt(expected_push_attempts, 0)
# If we're grouping by room, sending more messages shouldn't increase the
# unread count, as they're all being sent in the same room. Otherwise, it
# should. Therefore, the last call to _check_push_attempt is done in the
# caller method.
self.helper.send(room_id, body="Hello?", tok=other_access_token)
expected_push_attempts += 1
self._advance_time_and_make_push_succeed(expected_push_attempts)
self.helper.send(room_id, body="Hello??", tok=other_access_token)
expected_push_attempts += 1
self._advance_time_and_make_push_succeed(expected_push_attempts)
self.helper.send(room_id, body="HELLO???", tok=other_access_token)
def _advance_time_and_make_push_succeed(self, expected_push_attempts):
self.pump()
self.push_attempts[expected_push_attempts - 1][0].callback({})
def _check_push_attempt(
self, expected_push_attempts: int, expected_unread_count_last_push: int
) -> None:
"""
Makes sure that the last expected push attempt succeeds and checks whether
it contains the expected unread count.
"""
self._advance_time_and_make_push_succeed(expected_push_attempts)
# Check our push made it
self.assertEqual(len(self.push_attempts), expected_push_attempts)
_, push_url, push_body = self.push_attempts[expected_push_attempts - 1]
self.assertEqual(
push_url,
"http://example.com/_matrix/push/v1/notify",
)
# Check that the unread count for the room is 0
#
# The unread count is zero as the user has no read receipt in the room yet
self.assertEqual(
self.push_attempts[0][2]["notification"]["counts"]["unread"], 0
push_body["notification"]["counts"]["unread"],
expected_unread_count_last_push,
)
def _send_read_request(self, access_token, message_event_id, room_id):
# Now set the user's read receipt position to the first event
#
# This will actually trigger a new notification to be sent out so that
@ -667,56 +714,8 @@ class HTTPPusherTests(HomeserverTestCase):
# count goes down
channel = self.make_request(
"POST",
"/rooms/%s/receipt/m.read/%s" % (room_id, first_message_event_id),
"/rooms/%s/receipt/m.read/%s" % (room_id, message_event_id),
{},
access_token=access_token,
)
self.assertEqual(channel.code, 200, channel.json_body)
# Advance time and make the push succeed
self.push_attempts[1][0].callback({})
self.pump()
# Unread count is still zero as we've read the only message in the room
self.assertEqual(len(self.push_attempts), 2)
self.assertEqual(
self.push_attempts[1][2]["notification"]["counts"]["unread"], 0
)
# Send another message
self.helper.send(
room_id, body="How's the weather today?", tok=other_access_token
)
# Advance time and make the push succeed
self.push_attempts[2][0].callback({})
self.pump()
# This push should contain an unread count of 1 as there's now been one
# message since our last read receipt
self.assertEqual(len(self.push_attempts), 3)
self.assertEqual(
self.push_attempts[2][2]["notification"]["counts"]["unread"], 1
)
# Since we're grouping by room, sending more messages shouldn't increase the
# unread count, as they're all being sent in the same room
self.helper.send(room_id, body="Hello?", tok=other_access_token)
# Advance time and make the push succeed
self.pump()
self.push_attempts[3][0].callback({})
self.helper.send(room_id, body="Hello??", tok=other_access_token)
# Advance time and make the push succeed
self.pump()
self.push_attempts[4][0].callback({})
self.helper.send(room_id, body="HELLO???", tok=other_access_token)
# Advance time and make the push succeed
self.pump()
self.push_attempts[5][0].callback({})
self.assertEqual(len(self.push_attempts), 6)