def quiz(request, template_name):
"""Start the quiz and show the first question"""
data = {}
exclude = []
question, proverb = utils.generate_question(request, exclude)
data.update(question)
exclude.append(proverb.id)
uuid = str(uuid4())
data['uuid'] = uuid
data['check_url'] = reverse('proverbs:check_answer')
data['next_url'] = reverse('proverbs:next_question')
data['save_score_url'] = reverse('proverbs:save_quiz_score')
data['hints'] = DEFAULT_HINT_COUNT
data['time'] = request.user.userprofile.game_time
data['number'] = 1 # the number of the question
start = datetime.now()
time_left = timedelta(0, data['time'] * 60)
# todo: set expiration
# proverb, start time, result (initally wrong)
request.session['quiz-%s' % uuid] = {
'proverb': proverb,
'start': start, # start will change with each next question
'time_left': time_left,
'hints': DEFAULT_HINT_COUNT,
'time': data['time'],
'number': data['number'],
'score': 0, # in the beginning the user's score is 0
'exclude': exclude, # showed proverb ids
# save the score only if there are no more questions to show
'is_score_saved': False
}
return render_to_response(
template_name,
data,
context_instance=RequestContext(request)
)
def next_question(request):
if not request.is_ajax():
raise Http404
uuid = request.GET.get('uuid')
if not uuid:
return HttpResponse('error: uuid')
session_quiz = request.session.get('quiz-%s' % uuid)
if not session_quiz:
return HttpResponse('error: session')
data = {}
# has the quiz end time reached?
if session_quiz['time_left'].seconds <= 0:
return HttpResponse('expired')
question_data = utils.generate_question(
request, session_quiz['exclude'])
if not question_data:
return HttpResponse('no more')
question, proverb = question_data
data.update(question)
session_quiz['proverb'] = proverb
session_quiz['exclude'].append(proverb.id)
session_quiz['start'] = datetime.now()
session_quiz['number'] += 1
request.session.modified = True
data['number'] = session_quiz['number']
data['success'] = True
# return a new question
return HttpResponse(json.dumps(data),
mimetype='application/json')
