zulip/zerver/views/typing.py

58 lines
2.3 KiB
Python

from typing import List, Optional
from django.http import HttpRequest, HttpResponse
from django.utils.translation import gettext as _
from zerver.actions.typing import check_send_typing_notification, do_send_stream_typing_notification
from zerver.lib.exceptions import JsonableError
from zerver.lib.request import REQ, has_request_variables
from zerver.lib.response import json_success
from zerver.lib.streams import access_stream_by_id, access_stream_for_send_message
from zerver.lib.validator import check_int, check_list, check_string_in
from zerver.models import UserProfile
VALID_OPERATOR_TYPES = ["start", "stop"]
VALID_MESSAGE_TYPES = ["private", "stream"]
@has_request_variables
def send_notification_backend(
request: HttpRequest,
user_profile: UserProfile,
message_type: str = REQ(
"type", str_validator=check_string_in(VALID_MESSAGE_TYPES), default="private"
),
operator: str = REQ("op", str_validator=check_string_in(VALID_OPERATOR_TYPES)),
notification_to: List[int] = REQ("to", json_validator=check_list(check_int)),
topic: Optional[str] = REQ("topic", default=None),
) -> HttpResponse:
to_length = len(notification_to)
if to_length == 0:
raise JsonableError(_("Empty 'to' list"))
if message_type == "stream":
if to_length > 1:
raise JsonableError(_("Cannot send to multiple streams"))
if topic is None:
raise JsonableError(_("Missing topic"))
if not user_profile.send_stream_typing_notifications:
raise JsonableError(_("User has disabled typing notifications for stream messages"))
stream_id = notification_to[0]
# Verify that the user has access to the stream and has
# permission to send messages to it.
stream = access_stream_by_id(user_profile, stream_id)[0]
access_stream_for_send_message(user_profile, stream, forwarder_user_profile=None)
do_send_stream_typing_notification(user_profile, operator, stream, topic)
else:
if not user_profile.send_private_typing_notifications:
raise JsonableError(_("User has disabled typing notifications for private messages"))
user_ids = notification_to
check_send_typing_notification(user_profile, user_ids, operator)
return json_success(request)