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 from contact import mailing
  12 from .models import Attachment, Contact
  13
  14
  15 contact_forms = {}
  16 admin_list_width = 0
  17 class ContactFormMeta(forms.Form.__class__):
  18     def __new__(cls, *args, **kwargs):
  19         global admin_list_width
  20         model = super(ContactFormMeta, cls).__new__(cls, *args, **kwargs)
  21         assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
  22         if model.admin_list:
  23             admin_list_width = max(admin_list_width, len(model.admin_list))
  24         contact_forms[model.form_tag] = model
  25         return model
  26
  27
  28 class ContactForm(forms.Form):
  29     """Subclass and define some fields."""
  30     __metaclass__ = ContactFormMeta
  31
  32     started = False
  33     form_tag = None
  34     save_as_tag = None
  35     form_title = _('Contact form')
  36     submit_label = _('Submit')
  37     admin_list = None
  38     notify_on_register = True
  39     notify_user = True
  40     mailing_field = None
  41
  42     required_css_class = 'required'
  43     contact = forms.EmailField(label=_('E-mail'), max_length=128)
  44
  45     def __init__(self, *args, **kwargs):
  46         key = kwargs.pop('key', None)
  47         super(ContactForm, self).__init__(*args, **kwargs)
  48         self.key = key
  49
  50     def save(self, request):
  51         key = self.key
  52         body = {}
  53         for name, value in self.cleaned_data.items():
  54             if not isinstance(value, UploadedFile) and name != 'contact' and not name.startswith('_'):
  55                     body[name] = value
  56         save_as_tag = self.save_as_tag or self.form_tag
  57         if key:
  58             contact = Contact.objects.get(form_tag=save_as_tag, key=key)
  59             contact.body = body
  60             contact.ip = request.META['REMOTE_ADDR'] or '127.0.0.1'
  61             contact.contact = self.cleaned_data['contact']
  62             contact.save()
  63         else:
  64             contact = Contact.objects.create(body=body,
  65                     ip=request.META['REMOTE_ADDR'],
  66                     contact=self.cleaned_data['contact'],
  67                     form_tag=save_as_tag)
  68         for name, value in self.cleaned_data.items():
  69             if isinstance(value, UploadedFile):
  70                 contact.attachment_set.filter(tag=name).delete()
  71                 attachment = Attachment(contact=contact, tag=name)
  72                 attachment.file.save(value.name, value)
  73                 attachment.save()
  74
  75         site = Site.objects.get_current()
  76         dictionary = {
  77             'form_tag': self.form_tag,
  78             'site_name': site.name,
  79             'site_domain': site.domain,
  80             'contact': contact,
  81             'form': self,
  82         }
  83         context = RequestContext(request)
  84         if self.notify_on_register:
  85             mail_managers_subject = render_to_string([
  86                     'contact/%s/mail_managers_subject.txt' % self.form_tag,
  87                     'contact/mail_managers_subject.txt',
  88                 ], dictionary, context).strip()
  89             mail_managers_body = render_to_string([
  90                     'contact/%s/mail_managers_body.txt' % self.form_tag,
  91                     'contact/mail_managers_body.txt',
  92                 ], dictionary, context)
  93             mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
  94
  95         try:
  96             validate_email(contact.contact)
  97         except ValidationError:
  98             pass
  99         else:
 100             if self.notify_user:
 101                 mail_subject = render_to_string([
 102                         'contact/%s/mail_subject.txt' % self.form_tag,
 103                         'contact/mail_subject.txt',
 104                     ], dictionary, context).strip()
 105                 mail_body = render_to_string([
 106                         'contact/%s/mail_body.txt' % self.form_tag,
 107                         'contact/mail_body.txt',
 108                     ], dictionary, context)
 109                 send_mail(mail_subject, mail_body,
 110                     'no-reply@%s' % site.domain,
 111                     [contact.contact],
 112                     fail_silently=True)
 113             if self.mailing_field and self.cleaned_data[self.mailing_field]:
 114                 mailing.subscribe(contact.contact)
 115
 116         return contact