src/contact/views.py

   1 # -*- coding: utf-8 -*-
   2 from urllib import unquote
   3
   4 from datetime import datetime
   5 from django.contrib.auth.decorators import permission_required
   6 from django.http import Http404
   7 from django.shortcuts import get_object_or_404, redirect, render
   8 from django.utils import timezone
   9 from django.views.decorators.cache import never_cache
  10 from fnpdjango.utils.views import serve_file
  11 from honeypot.decorators import check_honeypot
  12
  13 from wolnelektury.utils import localtime_to_utc
  14 from .forms import contact_forms
  15 from .models import Attachment, Contact
  16
  17
  18 @check_honeypot
  19 @never_cache
  20 def form(request, form_tag, force_enabled=False):
  21     try:
  22         form_class = contact_forms[form_tag]
  23     except KeyError:
  24         raise Http404
  25     if not (force_enabled and request.user.is_superuser):
  26         disabled = getattr(form_class, 'disabled', False)
  27         end_tuple = getattr(form_class, 'ends_on', None)
  28         end_time = localtime_to_utc(datetime(*end_tuple)) if end_tuple else None
  29         expired = end_time and end_time < timezone.now()
  30         if disabled or expired:
  31             template = getattr(form_class, 'disabled_template', None)
  32             if template:
  33                 return render(request, template, {'title': form_class.form_title})
  34             raise Http404
  35     if request.method == 'POST':
  36         form = form_class(request.POST, request.FILES)
  37     else:
  38         form = form_class(initial=request.GET)
  39     formset_classes = getattr(form, 'form_formsets', {})
  40     if request.method == 'POST':
  41         formsets = {
  42             prefix: formset_class(request.POST, request.FILES, prefix=prefix)
  43             for prefix, formset_class in formset_classes.iteritems()}
  44         if form.is_valid() and all(formset.is_valid() for formset in formsets.itervalues()):
  45             contact = form.save(request, formsets.values())
  46             if form.result_page:
  47                 return redirect('contact_results', contact.id, contact.digest())
  48             else:
  49                 return redirect('contact_thanks', form_tag)
  50     else:
  51         formsets = {prefix: formset_class(prefix=prefix) for prefix, formset_class in formset_classes.iteritems()}
  52
  53     return render(
  54         request, ['contact/%s/form.html' % form_tag, 'contact/form.html'],
  55         {'form': form, 'formsets': formsets}
  56     )
  57
  58
  59 def thanks(request, form_tag):
  60     try:
  61         form_class = contact_forms[form_tag]
  62     except KeyError:
  63         raise Http404
  64
  65     return render(
  66         request, ['contact/%s/thanks.html' % form_tag, 'contact/thanks.html'],
  67         {'base_template': getattr(form_class, 'base_template', None)})
  68
  69
  70 def results(request, contact_id, digest):
  71     contact = get_object_or_404(Contact, id=contact_id)
  72     if digest != contact.digest():
  73         raise Http404
  74     try:
  75         form_class = contact_forms[contact.form_tag]
  76     except KeyError:
  77         raise Http404
  78
  79     return render(
  80         request, 'contact/%s/results.html' % contact.form_tag,
  81         {
  82             'results': form_class.results(contact),
  83             'base_template': getattr(form_class, 'base_template', None),
  84         }
  85     )
  86
  87
  88 @permission_required('contact.change_attachment')
  89 def attachment(request, contact_id, tag):
  90     attachment = get_object_or_404(Attachment, contact_id=contact_id, tag=tag)
  91     attachment_url = unquote(attachment.file.url)
  92     return serve_file(attachment_url)