contact/forms.py

   1 from django.contrib.sites.models import Site
   2 from django.core.exceptions import ValidationError
   3 from django.core.files.uploadedfile import UploadedFile
   4 from django.core.mail import send_mail, mail_managers
   5 from django.core.validators import validate_email
   6 from django import forms
   7 from django.template.loader import render_to_string
   8 from django.template import RequestContext
   9 from django.utils.translation import ugettext_lazy as _
  10
  11
  12 contact_forms = {}
  13 admin_list_width = 0
  14 class ContactFormMeta(forms.Form.__class__):
  15     def __new__(cls, *args, **kwargs):
  16         global admin_list_width
  17         model = super(ContactFormMeta, cls).__new__(cls, *args, **kwargs)
  18         assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
  19         if model.admin_list:
  20             admin_list_width = max(admin_list_width, len(model.admin_list))
  21         contact_forms[model.form_tag] = model
  22         return model
  23
  24
  25 class ContactForm(forms.Form):
  26     """Subclass and define some fields."""
  27     __metaclass__ = ContactFormMeta
  28
  29     form_tag = None
  30     form_title = _('Contact form')
  31     submit_label = _('Submit')
  32     admin_list = None
  33
  34     required_css_class = 'required'
  35     contact = forms.CharField(max_length=128)
  36
  37     def save(self, request, formsets=None):
  38         from .models import Attachment, Contact
  39         body = {}
  40         for name, value in self.cleaned_data.items():
  41             if not isinstance(value, UploadedFile) and name != 'contact':
  42                 body[name] = value
  43
  44         for formset in formsets or []:
  45             for f in formset.forms:
  46                 sub_body = {}
  47                 for name, value in f.cleaned_data.items():
  48                     if not isinstance(value, UploadedFile):
  49                         sub_body[name] = value
  50                 if sub_body:
  51                     body.setdefault(f.form_tag, []).append(sub_body)
  52
  53         contact = Contact.objects.create(body=body,
  54                     ip=request.META['REMOTE_ADDR'],
  55                     contact=self.cleaned_data['contact'],
  56                     form_tag=self.form_tag)
  57         for name, value in self.cleaned_data.items():
  58             if isinstance(value, UploadedFile):
  59                 attachment = Attachment(contact=contact, tag=name)
  60                 attachment.file.save(value.name, value)
  61                 attachment.save()
  62
  63         site = Site.objects.get_current()
  64         dictionary = {
  65             'form_tag': self.form_tag,
  66             'site_name': getattr(self, 'site_name', site.name),
  67             'site_domain': getattr(self, 'site_domain', site.domain),
  68             'contact': contact,
  69         }
  70         context = RequestContext(request)
  71         mail_managers_subject = render_to_string([
  72                 'contact/%s/mail_managers_subject.txt' % self.form_tag,
  73                 'contact/mail_managers_subject.txt',
  74             ], dictionary, context).strip()
  75         mail_managers_body = render_to_string([
  76                 'contact/%s/mail_managers_body.txt' % self.form_tag,
  77                 'contact/mail_managers_body.txt',
  78             ], dictionary, context)
  79         mail_managers(mail_managers_subject, mail_managers_body,
  80             fail_silently=True)
  81
  82         try:
  83             validate_email(contact.contact)
  84         except ValidationError:
  85             pass
  86         else:
  87             mail_subject = render_to_string([
  88                     'contact/%s/mail_subject.txt' % self.form_tag,
  89                     'contact/mail_subject.txt',
  90                 ], dictionary, context).strip()
  91             mail_body = render_to_string([
  92                     'contact/%s/mail_body.txt' % self.form_tag,
  93                     'contact/mail_body.txt',
  94                 ], dictionary, context)
  95             send_mail(mail_subject, mail_body,
  96                 'no-reply@%s' % site.domain,
  97                 [contact.contact],
  98                 fail_silently=True)
  99
 100         return contact