'Sends a signal announcing changes in course enrollment status.
This version should be used if you don\'t already have a CourseEnrollment object'

@classmethod
def send_signal_full(cls, event, user=user, mode=mode, course_id=course_id, cost=None, currency=None):

    ENROLL_STATUS_CHANGE.send(sender=None, event=event, user=user, mode=mode, course_id=course_id, cost=cost, currency=currency)
