@login_and_permission(COURSE_SURVEYS_EDIT_PERMISSION)
def merge_instructors(request):
    if (request.method != 'POST'):
        return Http404()
    instructor_ids = request.GET.get(Attr.INSTRUCTOR_IDS, None)
    instructor_ids = json.loads(instructor_ids)
    instructor_ids = list(map(int, instructor_ids))
    if (len(instructor_ids) < 2):
        return HttpResponseBadRequest()
    base_instructor = Instructor.objects.get(pk=instructor_ids[0])
    for id in instructor_ids[1:]:
        instructor = Instructor.objects.get(pk=id)
        for icsr in instructor.icsr_instructor.all():
            icsr.icsr_instructor = base_instructor
            icsr.save()
        instructor.delete()
    return HttpResponse()
@login_and_permission(COURSE_SURVEYS_EDIT_PERMISSION)
def merge_instructors(request):
    if (request.method != 'POST'):
        return Http404()
    instructor_ids = request.GET.get(Attr.INSTRUCTOR_IDS, None)
    instructor_ids = json.loads(instructor_ids)
    instructor_ids = list(map(int, instructor_ids))
    if (len(instructor_ids) < 2):
        return HttpResponseBadRequest()
    base_instructor = Instructor.objects.get(pk=instructor_ids[0])
    for id in instructor_ids[1:]:
        instructor = Instructor.objects.get(pk=id)
        for icsr in instructor.icsr_instructor.all():
            icsr.icsr_instructor = base_instructor
            icsr.save()
        instructor.delete()
    return HttpResponse()