def create_class_in_school(school_group, grade_name, class_name):
gd_list = GroupDetail.objects.filter(upper_group=school_group, type='G', nickname=grade_name)
if len(gd_list) == 0:
g = Group()
g.name = grade_name
g.save()
g.groupdetail = GroupDetail()
g.groupdetail.group = g
g.groupdetail.type = 'G'
g.groupdetail.nickname = grade_name
g.groupdetail.upper_group = school_group
g.groupdetail.save()
g.name = str(g.id)
g.save()
grade_group = g
else:
grade_group = gd_list[0].group
gd_list = GroupDetail.objects.filter(upper_group=grade_group, type='C', nickname=class_name)
if len(gd_list) != 0:
return False
g = Group()
g.name = class_name
g.save()
g.groupdetail = GroupDetail()
g.groupdetail.group = g
g.groupdetail.type = 'C'
g.groupdetail.nickname = class_name
g.groupdetail.upper_group = grade_group
g.groupdetail.save()
g.name = str(g.id)
g.save()
return True