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     form_tag = None
  31     form_title = _('Contact form')
  32     submit_label = _('Submit')
  33     admin_list = None
  34
  35     required_css_class = 'required'
  36     contact = forms.CharField(max_length=128)
  37
  38     def save(self, request):
  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         contact = Contact.objects.create(body=body,
  44                     ip=request.META['REMOTE_ADDR'],
  45                     contact=self.cleaned_data['contact'],
  46                     form_tag=self.form_tag)
  47         for name, value in self.cleaned_data.items():
  48             if isinstance(value, UploadedFile):
  49                 attachment = Attachment(contact=contact, tag=name)
  50                 attachment.file.save(value.name, value)
  51                 attachment.save()
  52
  53         site = Site.objects.get_current()
  54         dictionary = {
  55             'form_tag': self.form_tag,
  56             'site_name': site.name,
  57             'site_domain': site.domain,
  58             'contact': contact,
  59         }
  60         context = RequestContext(request)
  61         mail_managers_subject = render_to_string([
  62                 'contact/%s/mail_managers_subject.txt' % self.form_tag,
  63                 'contact/mail_managers_subject.txt',
  64             ], dictionary, context)
  65         mail_managers_body = render_to_string([
  66                 'contact/%s/mail_managers_body.txt' % self.form_tag,
  67                 'contact/mail_managers_body.txt',
  68             ], dictionary, context)
  69         mail_managers(mail_managers_subject, mail_managers_body,
  70             fail_silently=True)
  71
  72         try:
  73             validate_email(contact.contact)
  74         except ValidationError:
  75             pass
  76         else:
  77             mail_subject = render_to_string([
  78                     'contact/%s/mail_subject.txt' % self.form_tag,
  79                     'contact/mail_subject.txt',
  80                 ], dictionary, context)
  81             mail_body = render_to_string([
  82                     'contact/%s/mail_body.txt' % self.form_tag,
  83                     'contact/mail_body.txt',
  84                 ], dictionary, context)
  85             send_mail(mail_subject, mail_body,
  86                 'no-reply@%s' % site.domain,
  87                 [contact.contact],
  88                 fail_silently=True)
  89
  90         return contact