contact/forms.py

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