8bd8097ea48446e533a8f6738866a2af3eb9581d
[wolnelektury.git] / src / contact / views.py
1 # -*- coding: utf-8 -*-
2 from urllib import unquote
3
4 import pytz
5 from django.conf import settings
6 from django.contrib.auth.decorators import permission_required
7 from django.http import Http404
8 from django.shortcuts import get_object_or_404, redirect, render
9 from django.utils import timezone
10 from django.views.decorators.cache import never_cache
11 from fnpdjango.utils.views import serve_file
12 from honeypot.decorators import check_honeypot
13
14 from .forms import contact_forms
15 from .models import Attachment, Contact
16
17 tz = pytz.timezone(settings.TIME_ZONE)
18
19
20 @check_honeypot
21 @never_cache
22 def form(request, form_tag, force_enabled=False):
23     try:
24         form_class = contact_forms[form_tag]
25     except KeyError:
26         raise Http404
27     if not (force_enabled and request.user.is_superuser):
28         disabled = getattr(form_class, 'disabled', False)
29         end_tuple = getattr(form_class, 'ends_on')
30         end_time = timezone.datetime(*end_tuple, tzinfo=tz) if end_tuple else None
31         expired = end_time and end_time < timezone.now()
32         if disabled or expired:
33             template = getattr(form_class, 'disabled_template', None)
34             if template:
35                 return render(request, template, {'title': form_class.form_title})
36             raise Http404
37     if request.method == 'POST':
38         form = form_class(request.POST, request.FILES)
39     else:
40         form = form_class(initial=request.GET)
41     formset_classes = getattr(form, 'form_formsets', {})
42     if request.method == 'POST':
43         formsets = {
44             prefix: formset_class(request.POST, request.FILES, prefix=prefix)
45             for prefix, formset_class in formset_classes.iteritems()}
46         if form.is_valid() and all(formset.is_valid() for formset in formsets.itervalues()):
47             contact = form.save(request, formsets.values())
48             if form.result_page:
49                 return redirect('contact_results', contact.id, contact.digest())
50             else:
51                 return redirect('contact_thanks', form_tag)
52     else:
53         formsets = {prefix: formset_class(prefix=prefix) for prefix, formset_class in formset_classes.iteritems()}
54
55     return render(
56         request, ['contact/%s/form.html' % form_tag, 'contact/form.html'],
57         {'form': form, 'formsets': formsets}
58     )
59
60
61 def thanks(request, form_tag):
62     try:
63         form_class = contact_forms[form_tag]
64     except KeyError:
65         raise Http404
66
67     return render(
68         request, ['contact/%s/thanks.html' % form_tag, 'contact/thanks.html'],
69         {'base_template': getattr(form_class, 'base_template', None)})
70
71
72 def results(request, contact_id, digest):
73     contact = get_object_or_404(Contact, id=contact_id)
74     if digest != contact.digest():
75         raise Http404
76     try:
77         form_class = contact_forms[contact.form_tag]
78     except KeyError:
79         raise Http404
80
81     return render(
82         request, 'contact/%s/results.html' % contact.form_tag,
83         {
84             'results': form_class.results(contact),
85             'base_template': getattr(form_class, 'base_template', None),
86         }
87     )
88
89
90 @permission_required('contact.change_attachment')
91 def attachment(request, contact_id, tag):
92     attachment = get_object_or_404(Attachment, contact_id=contact_id, tag=tag)
93     attachment_url = unquote(attachment.file.url)
94     return serve_file(attachment_url)