def createAssignment(request, courseID):
course = get_object_or_404(Course, pk=courseID)
is_moderator = isCourseModerator(course, request.user)
if not is_moderator:
return HttpResponseForbidden("Forbidden 403")
if request.method == 'POST':
form = AssignmentForm(request.POST, request.FILES)
form.this_course = course
if form.is_valid():
newAssignment = Assignment(**form.cleaned_data)
newAssignment.course = course
newAssignment.creater = request.user
newAssignment.serial_number = (
Assignment.objects.filter(course=course).aggregate(
Max('serial_number'))['serial_number__max'] or 0) + 1
newAssignment.save()
link = reverse('assignments_createprogram',
kwargs={'assignmentID': newAssignment.id})
messages.success(
request,
'Assignment Created! Now <a href="{0}">ADD</a> programs to assignment.'
.format(link),
extra_tags='safe')
#return HttpResponseRedirect(reverse('assignments_index', kwargs={'courseID':courseID}))
return HttpResponseRedirect(
reverse('assignments_details',
kwargs={'assignmentID': newAssignment.id}))
else:
form = AssignmentForm()
return render_to_response('assignments/createAssignment.html', {
'form': form,
'course': course,
'is_moderator': is_moderator
},
context_instance=RequestContext(request))
def editAssignment(request, assignmentID):
# Only creator of the course can edit this assignment.
assignment = get_object_or_404(Assignment, pk=assignmentID)
is_moderator = isCourseModerator(assignment.course, request.user)
if not is_moderator:
return HttpResponseForbidden("Forbidden 403")
if request.method == 'POST':
form = AssignmentForm(request.POST,
request.FILES,
initial=model_to_dict(assignment))
form.assignment_model = assignment
if form.is_valid():
# check if new file is uploaded
if 'document' in form.changed_data:
if assignment.document:
assignment.document.delete(save=False)
if not form.cleaned_data['document']:
form.cleaned_data.pop('document')
if 'helper_code' in form.changed_data:
if assignment.helper_code:
assignment.helper_code.delete(save=False)
if not form.cleaned_data['helper_code']:
form.cleaned_data.pop('helper_code')
if 'model_solution' in form.changed_data:
if assignment.model_solution:
assignment.model_solution.delete(save=False)
if not form.cleaned_data['model_solution']:
form.cleaned_data.pop('model_solution')
for key in form.cleaned_data.keys():
setattr(assignment, key, form.cleaned_data[key])
for afield in [
'model_solution', 'student_program_files',
'program_language'
]:
if afield in form.changed_data:
assignment.verify_programs = True
assignment.program_model = Program
assignment.changed_list = form.changed_data
break
assignment.save()
if any(f in ['student_program_files', 'helper_code']
for f in form.changed_data):
all_submissions = Upload.objects.select_related(
'owner').select_for_update().filter(assignment=assignment)
all_submissions.update(is_stale=True)
subject_line = "Evalpro: Please re-submit assignment '{0}' of the course '{1}'".format(
assignment.name, assignment.course.name)
message = "Course {0} assignment {1} specification has been changed since you submit your assignment last time. \
You are required to submit your assignment again. Your current submission will not be considered.".format(
assignment.course.name, assignment.name)
message_from = 'noreply@evalpro'
message_to = [a.owner.email for a in all_submissions]
send_mail(subject_line,
message,
message_from,
message_to,
fail_silently=False)
return HttpResponseRedirect(
reverse('assignments_details',
kwargs={'assignmentID': assignmentID}))
else:
form = AssignmentForm(initial=model_to_dict(assignment))
course = assignment.course
return render_to_response(
'assignments/edit.html',
{
'assignment': assignment,
'form': form,
'course': course,
'is_moderator': is_moderator
},
context_instance=RequestContext(request),
)
