示例#1
0
def start_demo_exam(request, test_id):
    demogrp = Group.get_demo_group()
    test = Test.objects.get(id=int(test_id))
    if not test.is_demo: return HttpResponse(status=400)
    
    # Is the student writing an exam right now?
    try:
        tbw = TestBeingWritten.objects.get(written_by=request.user)
    except TestBeingWritten.DoesNotExist:
        pass
    else:
        messages.add_message(request, messages.ERROR, u'Egzamin już jest pisany!')
        
    # Try to automatically detect an exam and term for this one, a demo one
    try:
        exam = Exam.objects.get(test=test, group=demogrp)
    except Exam.DoesNotExist:
        exam = Exam(test=test, group=demogrp, name=u'DEMO EGZAMIN', owner=demogrp.teacher)
        exam.save()
        
    # Fetch term for this one
    try:
        term = exam.term_set.all()[0]
    except:
        term = Term(exam=exam, name=u'DEMO TERMIN', term_time=datetime.now(),
                    is_progressing=True)
        term.save()

    # Create a TBW for this student now
    tbw = TestBeingWritten(term=term, written_by=request.user)
    tbw.save()
    tbw.set_test_written(TestWritten(test)) 
    
    return redirect('/test/')
示例#2
0
def setup_ajax(request, exam_id, term_id):
    """POST variable 'students' should be a JSON-encoded list of student IDs 
    to partake in the test"""

    if 'students' not in request.POST: raise HttpResponse(status=400)

    try:
        trm = Term.objects.get(id=int(term_id))
    except:
        raise Http404

    if trm.exam.group.teacher != request.user:
        return HttpResponse(status=403)
    
    # Ok, now we will take those students take these damn exams
    try:
        students = set([User.objects.get(id=x) for x in json.loads(request.POST['students'])])
    except User.DoesNotExist:
        return HttpResponse(status=400)
    
    applicable_students = set(get_applicable_students(trm, dont_sort=True))
    
    if not students.issubset(applicable_students):
        return HttpResponse(status=403)
    
    # Students can attempt writing exams!
    for student in students:
        tbw = TestBeingWritten(term=trm, written_by=student)
        tbw.save()
        tbw.set_test_written(TestWritten(trm.exam.test))
        
    trm.is_progressing = True
    trm.save()
    
    # all ready, redirect to supervision
    return redirect('/teacher/exams/%s/terms/%s/supervise/' % (trm.exam.id, trm.id))