import random
from django.db import IntegrityError
from django.http import Http404
from django.contrib.auth.models import User
from django.contrib.auth import login, logout, authenticate
from django.shortcuts import redirect, render_to_response
from offline.event.models import Event
from offline.quiz.utils import gen_key
from offline.quiz.models import Profile, QuestionBank, Quiz
from offline.quiz.forms import UserRegisterForm
def start_page(request):
""" first see if user is authenticated.
If he is, redirect to the page where quiz happens.
Else register the user
"""
try:
event = Event.objects.all()[0]
except IndexError:
raise Http404
if event.quiz_status == '00':
raise Http404
user = request.user
if user.is_authenticated():
return redirect("/quiz/start/%s"%user.username)
else:
try:
ip = request.META['REMOTE_ADDR']
Quiz.objects.get(user_ip=ip, quiz_num=event.quiz_status)
return redirect("/quiz/complete")
except Quiz.DoesNotExist:
pass
if request.method == "POST":
form = UserRegisterForm(request.POST)
if form.is_valid():
data = form.cleaned_data
while True:
try:
username = gen_key(20)
new_user = User.objects.create_user(username, "temp@temp.com", "123")
break
except IntegrityError:
pass
new_user.first_name = data['first_name']
new_user.last_name = data['last_name']
new_user.save()
new_profile = Profile(user=new_user)
new_profile.profession = data['profession']
new_profile.affiliated_to = data['affiliated_to']
new_profile.save()
user = authenticate(username=username, password="123")
login(request, user)
return redirect("/quiz/start/%s"%username)
else:
return render_to_response('register.html',{'form':form})
else:
form = UserRegisterForm()
return render_to_response('register.html',{'form':form})
def start_quiz(request):
""" get the user by his username.
then check for the event quiz status
then check if his ip has finished the quiz
then make his quiz paper and redirect to the right question.
"""
user = request.user
if not user.is_authenticated():
raise Http404
try:
event = Event.objects.all()[0]
except IndexError:
raise Http404
if event.quiz_status == "00":
raise Http404
try:
old_quiz = Quiz.objects.get(event=event,user=user, quiz_num=event.quiz_status)
return redirect("/quiz/answer/%s"%(old_quiz.key))
except Quiz.DoesNotExist:
ip = request.META['REMOTE_ADDR']
key = gen_key(10)
new_quiz = Quiz(event=event, user=user, quiz_num=event.quiz_status, user_ip=ip, key=key)
available_que_ids = [ str(_.id) for _ in QuestionBank.objects.filter(quiz_num=event.quiz_status) ]
random.shuffle(available_que_ids)
new_quiz.que_remaining = "|".join(available_que_ids)
new_quiz.save()
return redirect("/quiz/answer/%s"%(new_quiz.key))