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