def test_model_relation_course_missing(self):
course = Course.objects.create(name='test1')
lesson = Lesson() # Lesson without `course` set
with self.assertRaises(ValidationError):
lesson.full_clean()
lesson.save()
self.assertEqual(
Lesson.objects.filter(course__name='test2').count(), 0)
def setUp(self):
"""Sets up the test case by creating a sample text and user"""
self.u = User.objects.create_user("Mittens", "*****@*****.**", "meow")
self.u.save()
c = Course()
c.save()
l = Lesson(course=c)
l.save()
self.s = Section(lesson=l)
self.s.save()
def post(self, request):
ID = request.POST.get("id", "")
type = request.POST.get("type", "")
if int(type) > 0:
#添加课程
#此处类似于 读者－写者 模型
#添加行级锁，防止改动课程时用户进入读取错误信息
with transaction.atomic():
if ID:
lesson = Lesson.objects.select_for_update().get(id=ID)
else:
lesson = Lesson()
lesson.course_id = request.POST.get("cId", "")
lesson.name = request.POST.get("name", "")
lesson.save()
video = Video()
video.lesson_id = lesson.id
video.name = lesson.name
video.url = request.POST.get("url", "")
video.save()
else:
#进行事务处理,保证课程发布可以通知到每个关注者
with transaction.atomic():
if ID:
course = Course.objects.select_for_update().get(id=ID)
else:
course = Course()
teacher = Teacher.objects.get(id=request.user.teacher_id)
course.name = request.POST.get("name", "")
course.tag = request.POST.get("tag", "")
course.desc = request.POST.get("desc", "")
course.detail = request.POST.get("detail", "")
course.degree = request.POST.get("degree", "")
course.learn_times = request.POST.get("learn_times", "")
course.teacher = teacher
course.save()
teacher_id = teacher.id
users = UserFavorite.objects.filter(fav_id=teacher_id, fav_type=1)
if ID:
for user in users:
sendMsg(user.user_id,
teacher.name + "修改了课程:" + course.name, teacher.id)
else:
for user in users:
sendMsg(user.user_id,
teacher.name + "发布了新课程:" + course.name, teacher.id)
return render(request, 'usercenter-publish-course.html', {})
def test_model_relation(self):
course = Course.objects.create(name='test1')
lesson = Lesson(course=Course.objects.create(name='test2'),
subject='test1',
description='test1',
order=int('1')
)
lesson.full_clean() # `course` correctly set. This should pass
lesson.save()
self.assertEqual(
Lesson.objects.filter(course__name='test2').count(), 1)
def setUp(self):
"""Set up test cases, this creates users, a task and user on task instances"""
self.m = User.objects.create_user("Mittens", "*****@*****.**", "meow")
self.m.save()
self.f = User.objects.create_user("Fido", "*****@*****.**", "woof")
self.f.save()
c = Course()
c.save()
l = Lesson(course=c)
l.save()
s = Section(lesson=l)
s.save()
self.t = Task(section=s, model_answer="replaced", language="dummy")
self.t.save()
self.muot = self.t.get_uot(self.m)
self.fuot = self.t.get_uot(self.f)
def post(cls, request):
lesson_form = CreateLessonForm(request.POST)
if lesson_form.is_valid():
name = lesson_form.cleaned_data['name']
course = lesson_form.cleaned_data['course']
lesson = Lesson()
lesson.name = name
lesson.course_id = int(course)
lesson.save()
teacher = Teacher.objects.get(userprofile=request.user)
courses = Course.objects.filter(teacher=teacher)
lessons = []
for course in courses:
lessons.extend(Lesson.objects.filter(course=course))
return render(request, 'user_lecturer_course.html', {
'courses': courses,
'lessons': lessons,
})
else:
return HttpResponse('{"status":"fail"}',
content_type='application/json')