def do_examination(examination_id=0):
examination = Examination.query.get_or_404(examination_id)
result = g.user.results.filter_by(examination_id=examination.id).first()
uid = 'u-%d-e-%d' % (g.user.id, examination.id)
if result and result.is_finished():
session.pop(uid, None)
return redirect(url_for('result.show', result_id=result.id))
start_time = None
if uid in session:
start_time = session[uid]
if datetime.datetime.now() > session[uid] + datetime.timedelta(minutes=examination.limited_time, seconds=30):
session.pop(uid, None)
result = g.user.results.filter_by(examination_id=examination.id).first()
if result:
if result.is_doing():
result.status = RESULT.STATUS_FINISHED
db.session.add(result)
db.session.commit()
return redirect(url_for('result.show', result_id=result.id))
else:
flash('Error !', category='danger')
return redirect(url_for('index'))
else:
result = Result(g.user, examination, 0)
db.session.add(result)
db.session.commit()
session[uid] = datetime.datetime.now()
form = DoExaminationForm(obj=examination)
counter = 0
for sub_form in form.questions:
sub_form.answers.choices = [(str(answer.id), answer.content) for answer in examination.questions[counter].answers]
sub_form.question_id.data = examination.questions[counter].id
sub_form.answers.label.text = examination.questions[counter].content
counter += 1
correct = 0
if form.validate_on_submit():
for entry in form.questions.data:
if examination.questions.filter_by(id=int(entry['question_id'])).first().correct_id == int(entry['answers']):
correct += 1
else:
for entry in form.questions.data:
if entry['answers'].isdigit() and examination.questions.filter_by(id=int(entry['question_id'])).first().correct_id == int(entry['answers']):
correct += 1
result = Result.query.filter_by(user_id=g.user.id, examination_id=examination.id).first()
if result and request.method == 'POST':
result.score = correct
result.status = RESULT.STATUS_FINISHED
db.session.add(result)
db.session.commit()
return redirect(url_for('result.show', result_id=result.id))
remain = examination.limited_time * 60
if start_time:
remain = examination.limited_time - (datetime.datetime.now() - start_time).seconds
return render_template('examination/do_examination.html', form=form, examination=examination, remain=remain)
