def course_preview(request, semester_id, course_id):
semester = get_object_or_404(Semester, id=semester_id)
course = get_object_or_404(Course, id=course_id)
# build forms
forms = SortedDict()
for questionnaire, assignment in questionnaires_and_assignments(course):
form = QuestionsForm(request.POST or None, assignment=assignment, questionnaire=questionnaire)
forms[(assignment, questionnaire)] = form
return render_to_response("fsr_course_preview.html", dict(forms=forms.values(), course=course, semester=semester), context_instance=RequestContext(request))
def vote(request, course_id):
# retrieve course and make sure that the user is allowed to vote
course = get_object_or_404(Course, id=course_id)
if not course.can_user_vote(request.user):
raise PermissionDenied
# build forms
forms = SortedDict()
for questionnaire, assignment in questionnaires_and_assignments(course):
form = QuestionsForm(request.POST or None, assignment=assignment, questionnaire=questionnaire)
forms[(assignment, questionnaire)] = form
if all(form.is_valid() for form in forms.values()):
# begin vote operation
with transaction.commit_on_success():
for (assignment, questionnaire), form in forms.items():
for question in questionnaire.question_set.all():
identifier = make_form_identifier(assignment, questionnaire, question)
value = form.cleaned_data.get(identifier)
if type(value) in [str, unicode]:
value = value.strip()
# store the answer if one was given
if value:
question.answer_class.objects.create(
assignment=assignment,
question=question,
answer=value)
# remember that the user voted already
course.voters.add(request.user)
messages.add_message(request, messages.INFO, _("Your vote was recorded."))
return redirect('evap.student.views.index')
else:
return render_to_response(
"student_vote.html",
dict(forms=forms.values(),
course=course),
context_instance=RequestContext(request))
