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streams: Add notifications for message retention policy updates.

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This is a part of #20289.
This commit is contained in:
Eeshan Garg
2021-12-06 12:19:12 -05:00
committed by Tim Abbott
parent 73d503995a
commit d2901892e2
4 changed files with 109 additions and 9 deletions
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50
zerver/lib/actions.py
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@@ -5016,9 +5016,49 @@ def do_change_stream_description(stream: Stream, new_description: str) -> None:
send_event(stream.realm, event, can_access_stream_user_ids(stream))
def do_change_stream_message_retention_days(
stream: Stream, message_retention_days: Optional[int] = None
def send_change_stream_message_retention_days_notification(
user_profile: UserProfile, stream: Stream, old_value: Optional[int], new_value: Optional[int]
) -> None:
sender = get_system_bot(settings.NOTIFICATION_BOT, user_profile.realm_id)
user_mention = f"@_**{user_profile.full_name}|{user_profile.id}**"
# If switching from or to the organization's default retention policy,
# we want to take the realm's default into account.
if old_value is None:
old_value = stream.realm.message_retention_days
if new_value is None:
new_value = stream.realm.message_retention_days
with override_language(stream.realm.default_language):
if old_value == Stream.MESSAGE_RETENTION_SPECIAL_VALUES_MAP["unlimited"]:
notification_string = _(
"{user} has changed the [message retention period](/help/message-retention-policy) for this stream from "
"**Forever** to **{new_value} days**. Messages will be automatically deleted after {new_value} days."
)
notification_string = notification_string.format(user=user_mention, new_value=new_value)
elif new_value == Stream.MESSAGE_RETENTION_SPECIAL_VALUES_MAP["unlimited"]:
notification_string = _(
"{user} has changed the [message retention period](/help/message-retention-policy) for this stream from "
"**{old_value} days** to **Forever**."
)
notification_string = notification_string.format(user=user_mention, old_value=old_value)
else:
notification_string = _(
"{user} has changed the [message retention period](/help/message-retention-policy) for this stream from "
"**{old_value} days** to **{new_value} days**. Messages will be automatically deleted after {new_value} days."
)
notification_string = notification_string.format(
user=user_mention, old_value=old_value, new_value=new_value
)
internal_send_stream_message(
sender, stream, Realm.STREAM_EVENTS_NOTIFICATION_TOPIC, notification_string
)
def do_change_stream_message_retention_days(
stream: Stream, acting_user: UserProfile, message_retention_days: Optional[int] = None
) -> None:
old_message_retention_days_value = stream.message_retention_days
stream.message_retention_days = message_retention_days
stream.save(update_fields=["message_retention_days"])
@@ -5031,6 +5071,12 @@ def do_change_stream_message_retention_days(
name=stream.name,
)
send_event(stream.realm, event, can_access_stream_user_ids(stream))
send_change_stream_message_retention_days_notification(
user_profile=acting_user,
stream=stream,
old_value=old_message_retention_days_value,
new_value=message_retention_days,
)
def set_realm_permissions_based_on_org_type(realm: Realm) -> None: