def all_lines(self):
"""
Return a cached set of basket lines.
This is important for offers as they alter the line models and you
don't want to reload them from the DB.
"""
if self.id is None:
return query.EmptyQuerySet(model=self.__class__)
if self._lines is None:
self._lines = self.lines.all()
return self._lines
def all_lines(self):
"""
Return a cached set of basket lines.
This is important for offers as they alter the line models and you
don't want to reload them from the DB as that information would be
lost.
"""
if self.id is None:
return query.EmptyQuerySet(model=self.__class__)
if self._lines is None:
self._lines = self.lines.select_related(
'product', 'product__stockrecord').all().prefetch_related(
'attributes', 'product__images')
return self._lines
def permission_filtered_model_qs(queryset, user, permissions=[]):
""" returns Queryset filtered accordingly to given permissions """
if user.is_superuser:
return queryset
category_fk = model_category_fk(queryset.model)
if not category_fk:
return queryset
q = queryset
qs = query.EmptyQuerySet()
if permissions:
categories = DenormalizedCategoryUserRole.objects.categories_by_user_and_permission(user, permissions)
else:
categories = DenormalizedCategoryUserRole.objects.categories_by_user(user)
if categories:
if queryset.model == Category:
qs = q.filter( pk__in=categories )
else:
lookup = '%s__in' % category_fk.name
qs = q.filter(**{lookup: categories})
return qs