wtem/views.py

   1 # -*- coding: utf-8 -*-
   2 import json
   3 from copy import deepcopy
   4
   5 from django.conf import settings
   6 from django.http import HttpResponseForbidden
   7 from django.shortcuts import render, get_object_or_404
   8 from django.views.decorators.cache import never_cache
   9 from django.views.decorators.csrf import csrf_exempt
  10
  11 from wtem.models import Confirmation
  12 from .forms import WTEMForm
  13 from .models import Submission, DEBUG_KEY, exercises
  14
  15 WTEM_CONTEST_STAGE = getattr(settings, 'WTEM_CONTEST_STAGE', 'before')
  16
  17
  18 @csrf_exempt
  19 def form(request, key):
  20     return globals()['form_' + WTEM_CONTEST_STAGE](request, key)
  21
  22
  23 def form_before(request, key):
  24     try:
  25         Submission.objects.get(key=key)
  26     except Submission.DoesNotExist:
  27         return render(request, 'wtem/key_not_found_before.html')
  28     else:
  29         return render(request, 'wtem/main_before.html')
  30
  31
  32 def form_after(request, key):
  33     return render(request, 'wtem/main_after.html')
  34
  35
  36 @never_cache
  37 @csrf_exempt
  38 def form_during(request, key):
  39
  40     if WTEM_CONTEST_STAGE != 'during':
  41         if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []):
  42             return HttpResponseForbidden('Not allowed')
  43
  44     try:
  45         submission = Submission.objects.get(key=key)
  46     except Submission.DoesNotExist:
  47         if settings.DEBUG and key == DEBUG_KEY:
  48             submission = Submission.create(
  49                 first_name='Debug', last_name='Debug', email='debug@debug.com', key=DEBUG_KEY)
  50         else:
  51             return render(request, 'wtem/key_not_found.html')
  52     exercises_with_answers = deepcopy(exercises)
  53     if submission.answers:
  54         answers = json.loads(submission.answers)
  55     else:
  56         answers = {}
  57     for exercise in exercises_with_answers:
  58         exercise['saved_answer'] = answers.get(str(exercise['id']), '')
  59         if exercise['type'] == 'open' and exercise.get('fields'):
  60             field_answers = {field['id']: field['text'] for field in exercise['saved_answer']}
  61             for field in exercise['fields']:
  62                 field['saved_answer'] = field_answers.get(field['id'], '')
  63     if request.method == 'GET':
  64         return render(request, 'wtem/main.html', {'exercises': exercises_with_answers, 'end_time': submission.end_time})
  65     elif request.method == 'POST':
  66         form = WTEMForm(request.POST, request.FILES, instance=submission)
  67         if form.is_valid():
  68             form.save()
  69             return render(request, 'wtem/thanks.html', dict(end_time=submission.end_time))
  70         else:
  71             raise Exception
  72
  73
  74 def confirmation(request, id, key):
  75     conf = get_object_or_404(Confirmation, id=id, key=key)
  76     was_confirmed = conf.confirmed
  77     if not was_confirmed:
  78         conf.confirmed = True
  79         conf.save()
  80     return render(request, 'wtem/confirmed.html', {'confirmation': conf, 'was_confirmed': was_confirmed})