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