def notify_that_group_was_added_in_course(sender: Group, **kwargs) -> None:
group = kwargs['instance']
if not kwargs['created']:
return
course_groups = Group.objects.filter(course=group.course)
course_name = group.course.name
target = reverse(course_view, args=[group.course.slug])
if group.teacher is not None:
teacher = group.teacher.user
notify_user(
teacher,
Notification(get_id(), get_time(),
NotificationType.ASSIGNED_TO_NEW_GROUP_AS_A_TEACHER,
{'course_name': course_name}, target))
enrolled_or_queued = [RecordStatus.ENROLLED, RecordStatus.QUEUED]
records = Record.objects.filter(
group__in=course_groups,
status__in=enrolled_or_queued).select_related('student',
'student__user')
users = {element.student.user for element in records}
notify_selected_users(
users,
Notification(get_id(), get_time(), NotificationType.ADDED_NEW_GROUP, {
'course_name': course_name,
'teacher': group.get_teacher_full_name()
}, target))
def notify_that_student_was_pulled_from_queue(sender: Record,
**kwargs) -> None:
group = kwargs['instance']
target = reverse(course_view, args=[group.course.slug])
notify_user(
kwargs['user'],
Notification(
get_id(), get_time(), NotificationType.PULLED_FROM_QUEUE, {
'course_name': group.course.name,
'teacher': group.get_teacher_full_name(),
'type': group.get_type_display(),
}, target))
def notify_that_teacher_was_changed(sender: Group, **kwargs) -> None:
group = kwargs['instance']
if group.teacher is not None:
teacher = group.teacher.user
course_name = group.course.name
target = reverse(course_view, args=[group.course.slug])
notify_user(
teacher,
Notification(get_id(), get_time(),
NotificationType.ASSIGNED_TO_NEW_GROUP_AS_A_TEACHER,
{'course_name': course_name}, target))
queued_users = User.objects.filter(
student__record__group=group,
student__record__status=RecordStatus.QUEUED)
enrolled_users = User.objects.filter(
student__record__group=group,
student__record__status=RecordStatus.ENROLLED)
notify_selected_users(
queued_users,
Notification(
get_id(), get_time(),
NotificationType.TEACHER_HAS_BEEN_CHANGED_QUEUED, {
'course_name': course_name,
'teacher': group.get_teacher_full_name(),
'type': group.get_type_display(),
}, target))
notify_selected_users(
enrolled_users,
Notification(
get_id(), get_time(),
NotificationType.TEACHER_HAS_BEEN_CHANGED_ENROLLED, {
'course_name': course_name,
'teacher': teacher.get_full_name(),
'type': group.get_type_display(),
}, target))