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messages: Only check the UserMessage row if necessary.

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For the common case of not needing to reference the UserMessage row
later, and for being a stream without private history, the UserMessage
row is irrelevant.  Convert `has_user_message` to a thunk, and defer
loading it unless necessary.
This commit is contained in:
Alex Vandiver
2024-03-22 06:04:07 +00:00
committed by Tim Abbott
parent f92d43c690
commit fd5a091b30
4 changed files with 36 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
zerver/lib/message.py
View File

@@ -2,6 +2,7 @@ from dataclasses import dataclass, field
from datetime import datetime, timedelta
from typing import (
Any,
Callable,
Collection,
Dict,
List,
@@ -23,6 +24,7 @@ from django.utils.timezone import now as timezone_now
from django.utils.translation import gettext as _
from django_stubs_ext import ValuesQuerySet
from psycopg2.sql import SQL
from returns.curry import partial
from analytics.lib.counts import COUNT_STATS
from analytics.models import RealmCount
@@ -318,9 +320,14 @@ def access_message(
if get_user_message == "object":
user_message = get_usermessage_by_message_id(user_profile, message_id)
has_user_message = user_message is not None
has_user_message = lambda: user_message is not None
elif get_user_message == "exists":
local_exists = UserMessage.objects.filter(
user_profile=user_profile, message_id=message_id
).exists()
has_user_message = lambda: local_exists
else:
has_user_message = UserMessage.objects.filter(
has_user_message = lambda: UserMessage.objects.filter(
user_profile=user_profile, message_id=message_id
).exists()
@@ -328,7 +335,7 @@ def access_message(
if get_user_message is None:
return message
if get_user_message == "exists":
return (message, has_user_message)
return (message, local_exists)
if get_user_message == "object":
return (message, user_message)
raise JsonableError(_("Invalid message(s)"))
@@ -380,7 +387,7 @@ def has_message_access(
user_profile: UserProfile,
message: Message,
*,
has_user_message: bool,
has_user_message: Callable[[], bool],
stream: Optional[Stream] = None,
is_subscribed: Optional[bool] = None,
) -> bool:
@@ -394,7 +401,7 @@ def has_message_access(
if message.recipient.type != Recipient.STREAM:
# You can only access direct messages you received
return has_user_message
return has_user_message()
if stream is None:
stream = Stream.objects.get(id=message.recipient.type_id)
@@ -421,7 +428,7 @@ def has_message_access(
# (1) Have directly received the message.
# AND
# (2) Be subscribed to the stream.
return has_user_message and is_subscribed_helper()
return has_user_message() and is_subscribed_helper()
# is_history_public_to_subscribers, so check if you're subscribed
return is_subscribed_helper()
@@ -461,12 +468,11 @@ def bulk_access_messages(
subscribed_recipient_ids = set(get_subscribed_stream_recipient_ids_for_user(user_profile))
for message in messages:
has_user_message = message.id in user_message_set
is_subscribed = message.recipient_id in subscribed_recipient_ids
if has_message_access(
user_profile,
message,
has_user_message=has_user_message,
has_user_message=partial(lambda m: m.id in user_message_set, message),
stream=streams.get(message.recipient_id) if stream is None else stream,
is_subscribed=is_subscribed,
):

4
zerver/lib/push_notifications.py
View File

@@ -1366,7 +1366,9 @@ def handle_push_notification(user_profile_id: int, missed_message: Dict[str, Any
mentioned_user_group_id = missed_message.get("mentioned_user_group_id")
if mentioned_user_group_id is not None:
user_group = UserGroup.objects.get(id=mentioned_user_group_id, realm=user_profile.realm)
user_group = UserGroup.objects.get(
id=mentioned_user_group_id, realm_id=user_profile.realm_id
)
mentioned_user_group_name = user_group.name
# Soft reactivate if pushing to a long_term_idle user that is personally mentioned

26
zerver/tests/test_message_move_stream.py
View File

@@ -1098,7 +1098,7 @@ class MessageMoveStreamTest(ZulipTestCase):
"iago", "test move stream", "new stream", "test"
)
with self.assert_database_query_count(52), self.assert_memcached_count(14):
with self.assert_database_query_count(51), self.assert_memcached_count(14):
result = self.client_patch(
f"/json/messages/{msg_id}",
{
@@ -1202,7 +1202,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=msg_id_to_test_acesss),
has_user_message=has_user_message,
has_user_message=lambda: has_user_message,
stream=stream,
is_subscribed=is_subscribed,
),
@@ -1612,7 +1612,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user_losing_access,
Message.objects.get(id=msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=old_stream,
is_subscribed=True,
),
@@ -1628,7 +1628,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user_losing_access,
Message.objects.get(id=msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=old_stream,
is_subscribed=False,
),
@@ -1652,7 +1652,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user_losing_access,
Message.objects.get(id=msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=new_stream,
is_subscribed=False,
),
@@ -1686,7 +1686,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=first_msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=old_stream,
is_subscribed=True,
),
@@ -1702,7 +1702,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=first_msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=old_stream,
is_subscribed=False,
),
@@ -1719,7 +1719,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=second_msg_id),
has_user_message=False,
has_user_message=lambda: False,
stream=old_stream,
is_subscribed=False,
),
@@ -1745,7 +1745,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=first_msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=new_stream,
is_subscribed=True,
),
@@ -1755,7 +1755,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=second_msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=new_stream,
is_subscribed=True,
),
@@ -1786,7 +1786,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=msg_id),
has_user_message=False,
has_user_message=lambda: False,
stream=old_stream,
is_subscribed=False,
),
@@ -1803,7 +1803,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=msg_id),
has_user_message=False,
has_user_message=lambda: False,
stream=old_stream,
is_subscribed=False,
),
@@ -1828,7 +1828,7 @@ class MessageMoveStreamTest(ZulipTestCase):
has_message_access(
user,
Message.objects.get(id=msg_id),
has_user_message=True,
has_user_message=lambda: True,
stream=new_stream,
is_subscribed=True,
),

12
zerver/tests/test_message_move_topic.py
View File

@@ -238,7 +238,7 @@ class MessageMoveTopicTest(ZulipTestCase):
# state + 1/user with a UserTopic row for the events data)
# beyond what is typical were there not UserTopic records to
# update. Ideally, we'd eliminate the per-user component.
with self.assert_database_query_count(26):
with self.assert_database_query_count(25):
check_update_message(
user_profile=hamlet,
message_id=message_id,
@@ -335,7 +335,7 @@ class MessageMoveTopicTest(ZulipTestCase):
set_topic_visibility_policy(desdemona, muted_topics, UserTopic.VisibilityPolicy.MUTED)
set_topic_visibility_policy(cordelia, muted_topics, UserTopic.VisibilityPolicy.MUTED)
with self.assert_database_query_count(28):
with self.assert_database_query_count(27):
check_update_message(
user_profile=desdemona,
message_id=message_id,
@@ -365,7 +365,7 @@ class MessageMoveTopicTest(ZulipTestCase):
]
set_topic_visibility_policy(desdemona, muted_topics, UserTopic.VisibilityPolicy.MUTED)
set_topic_visibility_policy(cordelia, muted_topics, UserTopic.VisibilityPolicy.MUTED)
with self.assert_database_query_count(34):
with self.assert_database_query_count(33):
check_update_message(
user_profile=desdemona,
message_id=message_id,
@@ -398,7 +398,7 @@ class MessageMoveTopicTest(ZulipTestCase):
set_topic_visibility_policy(desdemona, muted_topics, UserTopic.VisibilityPolicy.MUTED)
set_topic_visibility_policy(cordelia, muted_topics, UserTopic.VisibilityPolicy.MUTED)
with self.assert_database_query_count(28):
with self.assert_database_query_count(27):
check_update_message(
user_profile=desdemona,
message_id=message_id,
@@ -421,7 +421,7 @@ class MessageMoveTopicTest(ZulipTestCase):
second_message_id = self.send_stream_message(
hamlet, stream_name, topic_name="changed topic name", content="Second message"
)
with self.assert_database_query_count(23):
with self.assert_database_query_count(22):
check_update_message(
user_profile=desdemona,
message_id=second_message_id,
@@ -520,7 +520,7 @@ class MessageMoveTopicTest(ZulipTestCase):
users_to_be_notified_via_muted_topics_event.append(user_topic.user_profile_id)
change_all_topic_name = "Topic 1 edited"
with self.assert_database_query_count(31):
with self.assert_database_query_count(30):
check_update_message(
user_profile=hamlet,
message_id=message_id,