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.contrib import messages
   7 from django.core.urlresolvers import reverse
   8 from django.http import HttpResponseForbidden
   9 from django.http.response import HttpResponseRedirect
  10 from django.shortcuts import render, get_object_or_404
  11 from django.views.decorators.cache import never_cache
  12 from django.views.decorators.csrf import csrf_exempt
  13
  14 from wtem.models import Confirmation
  15 from .forms import WTEMForm, WTEMSingleForm
  16 from .models import Submission, DEBUG_KEY, exercises, CompetitionState
  17
  18
  19 @csrf_exempt
  20 def form(request, submission_id, key):
  21     state = CompetitionState.get_state()
  22     if state == CompetitionState.DURING:
  23         state = 'single'
  24     return globals()['form_' + state](request, submission_id, key)
  25
  26
  27 def form_before(request, submission_id, key):
  28     submission = Submission.objects.get(id=submission_id)
  29     if submission.key != key:
  30         return render(request, 'wtem/key_not_found_before.html')
  31     else:
  32         return render(request, 'wtem/main_before.html')
  33
  34
  35 def form_after(request, submission_id, key):
  36     return render(request, 'wtem/main_after.html')
  37
  38
  39 @never_cache
  40 @csrf_exempt
  41 def form_during(request, key):
  42
  43     if CompetitionState.get_state() != CompetitionState.DURING:
  44         if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []):
  45             return HttpResponseForbidden('Not allowed')
  46
  47     try:
  48         submission = Submission.objects.get(key=key)
  49     except Submission.DoesNotExist:
  50         if settings.DEBUG and key == DEBUG_KEY:
  51             submission = Submission.create(
  52                 first_name='Debug', last_name='Debug', email='debug@debug.com', key=DEBUG_KEY)
  53         else:
  54             return render(request, 'wtem/key_not_found.html')
  55     exercises_with_answers = deepcopy(exercises)
  56     if submission.answers:
  57         answers = json.loads(submission.answers)
  58     else:
  59         answers = {}
  60     for exercise in exercises_with_answers:
  61         exercise['saved_answer'] = answers.get(str(exercise['id']), '')
  62         if exercise['type'] == 'open' and exercise.get('fields'):
  63             field_answers = {field['id']: field['text'] for field in exercise['saved_answer']}
  64             for field in exercise['fields']:
  65                 field['saved_answer'] = field_answers.get(field['id'], '')
  66     if request.method == 'GET':
  67         return render(request, 'wtem/main.html', {'exercises': exercises_with_answers, 'end_time': submission.end_time})
  68     elif request.method == 'POST':
  69         form = WTEMForm(request.POST, request.FILES, instance=submission)
  70         if form.is_valid():
  71             form.save()
  72             return render(request, 'wtem/thanks.html', dict(end_time=submission.end_time))
  73         else:
  74             raise Exception
  75
  76
  77 @never_cache
  78 @csrf_exempt
  79 def form_single(request, submission_id, key):
  80     if CompetitionState.get_state() != CompetitionState.DURING:
  81         if request.META['REMOTE_ADDR'] not in getattr(settings, 'WTEM_CONTEST_IP_ALLOW', []):
  82             return HttpResponseForbidden('Not allowed')
  83
  84     submission = Submission.objects.get(id=submission_id)
  85     if submission.key != key:
  86         return render(request, 'wtem/key_not_found.html')
  87
  88     i, exercise = submission.current_exercise()
  89
  90     exercise_count = len(exercises)
  91
  92     if not exercise:
  93         return render(request, 'wtem/thanks_single.html')
  94
  95     if request.method == 'GET':
  96         return render(request, 'wtem/single.html', {'exercise': exercise, 'no': i, 'exercise_count': exercise_count})
  97     elif request.method == 'POST':
  98         form = WTEMSingleForm(request.POST, request.FILES, instance=submission)
  99         if form.is_valid():
 100             try:
 101                 form.save()
 102             except ValueError as e:
 103                 if e.message == 'wrong exercise id':
 104                     messages.error(request, u'Próba wysłania odpowiedzi ponownie lub poza kolejnością')
 105             print 'wysyłam redirect', i
 106             return HttpResponseRedirect(reverse('wtem_form', kwargs={'submission_id': submission_id, 'key': key}))
 107         else:
 108             raise Exception
 109
 110
 111 @never_cache
 112 @csrf_exempt
 113 def start(request, submission_id, key):
 114     state = CompetitionState.get_state()
 115     if state in (CompetitionState.BEFORE, CompetitionState.AFTER):
 116         return globals()['form_' + state](request, submission_id, key)
 117
 118     submission = Submission.objects.get(id=submission_id)
 119     if submission.key != key:
 120         return render(request, 'wtem/key_not_found.html')
 121
 122     i, exercise = submission.current_exercise()
 123     if not exercise:
 124         return render(request, 'wtem/thanks_single.html')
 125
 126     return render(request, 'wtem/start.html', {'exercise_count': len(exercises), 'submission': submission})
 127
 128
 129 def confirmation(request, id, key):
 130     conf = get_object_or_404(Confirmation, id=id, key=key)
 131     was_confirmed = conf.confirmed
 132     if not was_confirmed:
 133         conf.confirmed = True
 134         conf.save()
 135     return render(request, 'wtem/confirmed.html', {'confirmation': conf, 'was_confirmed': was_confirmed})