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.core.urlresolvers import reverse
   7 from django.http import HttpResponseForbidden
   8 from django.http.response import HttpResponseRedirect
   9 from django.shortcuts import render, get_object_or_404
  10 from django.views.decorators.cache import never_cache
  11 from django.views.decorators.csrf import csrf_exempt
  12
  13 from wtem.models import Confirmation
  14 from .forms import WTEMForm, WTEMSingleForm
  15 from .models import Submission, DEBUG_KEY, exercises, CompetitionState
  16
  17 WTEM_CONTEST_STAGE = getattr(settings, 'WTEM_CONTEST_STAGE', 'before')
  18
  19
  20 @csrf_exempt
  21 def form(request, key):
  22     return globals()['form_' + WTEM_CONTEST_STAGE](request, key)
  23
  24
  25 def form_before(request, key):
  26     try:
  27         Submission.objects.get(key=key)
  28     except Submission.DoesNotExist:
  29         return render(request, 'wtem/key_not_found_before.html')
  30     else:
  31         return render(request, 'wtem/main_before.html')
  32
  33
  34 def form_after(request, key):
  35     return render(request, 'wtem/main_after.html')
  36
  37
  38 @never_cache
  39 @csrf_exempt
  40 def form_during(request, key):
  41
  42     if WTEM_CONTEST_STAGE != 'during':
  43         if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []):
  44             return HttpResponseForbidden('Not allowed')
  45
  46     try:
  47         submission = Submission.objects.get(key=key)
  48     except Submission.DoesNotExist:
  49         if settings.DEBUG and key == DEBUG_KEY:
  50             submission = Submission.create(
  51                 first_name='Debug', last_name='Debug', email='debug@debug.com', key=DEBUG_KEY)
  52         else:
  53             return render(request, 'wtem/key_not_found.html')
  54     exercises_with_answers = deepcopy(exercises)
  55     if submission.answers:
  56         answers = json.loads(submission.answers)
  57     else:
  58         answers = {}
  59     for exercise in exercises_with_answers:
  60         exercise['saved_answer'] = answers.get(str(exercise['id']), '')
  61         if exercise['type'] == 'open' and exercise.get('fields'):
  62             field_answers = {field['id']: field['text'] for field in exercise['saved_answer']}
  63             for field in exercise['fields']:
  64                 field['saved_answer'] = field_answers.get(field['id'], '')
  65     if request.method == 'GET':
  66         return render(request, 'wtem/main.html', {'exercises': exercises_with_answers, 'end_time': submission.end_time})
  67     elif request.method == 'POST':
  68         form = WTEMForm(request.POST, request.FILES, instance=submission)
  69         if form.is_valid():
  70             form.save()
  71             return render(request, 'wtem/thanks.html', dict(end_time=submission.end_time))
  72         else:
  73             raise Exception
  74
  75
  76 @never_cache
  77 @csrf_exempt
  78 def form_single(request, submission_id, key):
  79     if CompetitionState.get_state() != CompetitionState.DURING:
  80         if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []):
  81             return HttpResponseForbidden('Not allowed')
  82
  83     submission = Submission.objects.get(id=submission_id)
  84     if submission.key != key:
  85         return render(request, 'wtem/key_not_found.html')
  86
  87     i, exercise = submission.current_exercise()
  88
  89     if not exercise:
  90         return render(request, 'wtem/thanks_single.html')
  91
  92     if request.method == 'GET':
  93         return render(request, 'wtem/single.html', {'exercise': exercise, 'no': i})
  94     elif request.method == 'POST':
  95         form = WTEMSingleForm(request.POST, request.FILES, instance=submission)
  96         if form.is_valid():
  97             form.save()
  98             return HttpResponseRedirect(reverse('form_single', kwargs={'submission_id': submission_id, 'key': key}))
  99         else:
 100             raise Exception
 101
 102
 103 def confirmation(request, id, key):
 104     conf = get_object_or_404(Confirmation, id=id, key=key)
 105     was_confirmed = conf.confirmed
 106     if not was_confirmed:
 107         conf.confirmed = True
 108         conf.save()
 109     return render(request, 'wtem/confirmed.html', {'confirmation': conf, 'was_confirmed': was_confirmed})