def clean_class_password(self):
if 'class_id' in self.cleaned_data:
cid = self.cleaned_data['class_id'].upper()
course = Course.objects.get(pk=class_id_converter.to_num(cid))
if course.password != self.cleaned_data['class_password']:
raise forms.ValidationError('Password is incorrect.')
return self.cleaned_data['class_password']
def clean_class_id(self):
cid = self.cleaned_data['class_id'].upper()
if not cid.isalnum(): raise forms.ValidationError('The class ID should have letters and numbers only.')
try:
Course.objects.get(pk=class_id_converter.to_num(cid))
except Course.DoesNotExist:
raise forms.ValidationError('There is no class with this ID. Double-check your value.')
return self.cleaned_data['class_id']
def join(request):
if request.method == 'POST':
form = JoinCourseForm(request.POST)
if form.is_valid():
cid = form.cleaned_data['class_id'].upper()
course = Course.objects.get(pk=class_id_converter.to_num(cid))
if course.instructor.id == request.user.id:
messages.error(request, "You're already teaching this class!")
else:
new_enrollment = Student.objects.create(profile=request.user.get_profile(), course=course)
new_enrollment.save()
return HttpResponseRedirect('/home/')
else:
form = JoinCourseForm()
return render_to_response('join.html',
{ 'form': form, },
context_instance=RequestContext(request))
