def with_has_flagged(self, user, annotated_name="has_flagged"):
"""
Adds True if the user in question has flagged the object.
"""
return self.annotate(
**{
annotated_name:
boolean_value(False) if user.
is_anonymous else get_generic_related_exists(
self.model, Flag.objects.filter(user=user))
})
def with_is_new(self, recipient, annotated_name="is_new"):
"""Annotates "is_new" to queryset if notification(s) unread for
this object.
Args:
recipient (User)
annotated_name (str, optional): the annotation name (default: "is_new")
Returns:
QuerySet
"""
return self.annotate(
**{
annotated_name:
boolean_value(False) if recipient.
is_anonymous else get_generic_related_exists(
self.model,
Notification.objects.
filter(is_read=False, recipient=recipient),
)
})
def exists_bookmarks(self, user):
return get_generic_related_exists(self.model,
Bookmark.objects.filter(user=user))
def with_is_flagged(self, annotated_name="is_flagged"):
"""
Adds True if the object has been flagged by a user.
"""
return self.annotate(
**{annotated_name: get_generic_related_exists(self.model, Flag)})
def exists_likes(self, user):
return get_generic_related_exists(self.model,
Like.objects.filter(user=user))