def check_permission(self, permission, obj=None, message=None):
"""
Throws a VLEPermissionError when the user does not have the specified permission, as defined by
has_permission.
"""
if not self.has_permission(permission, obj):
raise VLEPermissionError(permission, message)
def check_can_view_groups(user, course):
if not (user.has_permission('can_view_course_users', course) or
user.has_permission('can_edit_course_user_group', course) or
user.has_permission('can_add_course_user_group', course) or
user.has_permission('can_delete_course_user_group', course)):
raise VLEPermissionError(message='You are not allowed to view the user groups of this course.')
def check_can_view(self, obj):
if not self.can_view(obj):
raise VLEPermissionError(message='You are not allowed to view {}'.format(str(obj)))
def check_can_edit(self, obj):
if not permissions.can_edit(self, obj):
raise VLEPermissionError(
message='You are not allowed to edit {}'.format(str(obj)))