zulip/zerver/lib/attachments.py

29 lines
1013 B
Python

from django.utils.translation import ugettext as _
from typing import Any, Dict, List
from zerver.lib.request import JsonableError
from zerver.lib.upload import delete_message_image
from zerver.models import Attachment, UserProfile
def user_attachments(user_profile):
# type: (UserProfile) -> List[Dict[str, Any]]
attachments = Attachment.objects.filter(owner=user_profile).prefetch_related('messages')
return [a.to_dict() for a in attachments]
def access_attachment_by_id(user_profile, attachment_id, needs_owner=False):
# type: (UserProfile, int, bool) -> Attachment
query = Attachment.objects.filter(id=attachment_id)
if needs_owner:
query = query.filter(owner=user_profile)
attachment = query.first()
if attachment is None:
raise JsonableError(_("Invalid attachment"))
return attachment
def remove_attachment(user_profile, attachment):
# type: (UserProfile, Attachment) -> None
delete_message_image(attachment.path_id)
attachment.delete()