def demo(request):
"""Logs in a demo user"""
# Check if it's possible to login
if User.objects.filter(login__endswith='@demo.athena').count() > 1000:
# Attempt to remove superficial accounts
k = User.objects.filter(status=1, login__endswith='@demo.athena') \
.filter(created_on__lt=datetime.now() - timedelta(1))
for x in k: x.delete()
if User.objects.filter(login__endswith='@demo.athena').count() > 1000:
messages.add_message(request, messages.ERROR, u'Błąd: przeciążenie systemu')
return redirect('/')
target_login = '******' % (randint(0, 10000000))
su = User(name='Tymczasowe konto DEMO', surname='', login=target_login, number=0)
su.save()
Group.get_demo_group().students.add(su)
request.login(target_login)
messages.add_message(request, messages.INFO, u'Zalogowano demonstracyjnie.')
return redirect('/')
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/')
