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     notify_on_register = True
  37
  38     required_css_class = 'required'
  39     contact = forms.CharField(max_length=128)
  40
  41     def __init__(self, *args, **kwargs):
  42         key = kwargs.pop('key', None)
  43         super(ContactForm, self).__init__(*args, **kwargs)
  44         self.key = key
  45
  46     def save(self, request):
  47         key = self.key
  48         body = {}
  49         for name, value in self.cleaned_data.items():
  50             if not isinstance(value, UploadedFile) and name != 'contact' and not name.startswith('_'):
  51                     body[name] = value
  52         save_as_tag = self.save_as_tag or self.form_tag
  53         if key:
  54             contact = Contact.objects.get(form_tag=save_as_tag, key=key)
  55             contact.body = body
  56             contact.ip = request.META['REMOTE_ADDR'] or '127.0.0.1'
  57             contact.contact = self.cleaned_data['contact']
  58             contact.save()
  59         else:
  60             contact = Contact.objects.create(body=body,
  61                     ip=request.META['REMOTE_ADDR'],
  62                     contact=self.cleaned_data['contact'],
  63                     form_tag=save_as_tag)
  64         for name, value in self.cleaned_data.items():
  65             if isinstance(value, UploadedFile):
  66                 contact.attachment_set.filter(tag=name).delete()
  67                 attachment = Attachment(contact=contact, tag=name)
  68                 attachment.file.save(value.name, value)
  69                 attachment.save()
  70
  71         site = Site.objects.get_current()
  72         dictionary = {
  73             'form_tag': self.form_tag,
  74             'site_name': site.name,
  75             'site_domain': site.domain,
  76             'contact': contact,
  77             'form': self,
  78         }
  79         context = RequestContext(request)
  80         if self.notify_on_register:
  81             mail_managers_subject = render_to_string([
  82                     'contact/%s/mail_managers_subject.txt' % self.form_tag,
  83                     'contact/mail_managers_subject.txt',
  84                 ], dictionary, context).strip()
  85             mail_managers_body = render_to_string([
  86                     'contact/%s/mail_managers_body.txt' % self.form_tag,
  87                     'contact/mail_managers_body.txt',
  88                 ], dictionary, context)
  89             mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
  90
  91         try:
  92             validate_email(contact.contact)
  93         except ValidationError:
  94             pass
  95         else:
  96             mail_subject = render_to_string([
  97                     'contact/%s/mail_subject.txt' % self.form_tag,
  98                     'contact/mail_subject.txt',
  99                 ], dictionary, context).strip()
 100             mail_body = render_to_string([
 101                     'contact/%s/mail_body.txt' % self.form_tag,
 102                     'contact/mail_body.txt',
 103                 ], dictionary, context)
 104             send_mail(mail_subject, mail_body,
 105                 'no-reply@%s' % site.domain,
 106                 [contact.contact],
 107                 fail_silently=True)
 108
 109         return contact