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     notify_user = True
  38
  39     required_css_class = 'required'
  40     contact = forms.EmailField(label=_('E-mail'), max_length=128)
  41
  42     def __init__(self, *args, **kwargs):
  43         key = kwargs.pop('key', None)
  44         super(ContactForm, self).__init__(*args, **kwargs)
  45         self.key = key
  46
  47     def save(self, request):
  48         key = self.key
  49         body = {}
  50         for name, value in self.cleaned_data.items():
  51             if not isinstance(value, UploadedFile) and name != 'contact' and not name.startswith('_'):
  52                     body[name] = value
  53         save_as_tag = self.save_as_tag or self.form_tag
  54         if key:
  55             contact = Contact.objects.get(form_tag=save_as_tag, key=key)
  56             contact.body = body
  57             contact.ip = request.META['REMOTE_ADDR'] or '127.0.0.1'
  58             contact.contact = self.cleaned_data['contact']
  59             contact.save()
  60         else:
  61             contact = Contact.objects.create(body=body,
  62                     ip=request.META['REMOTE_ADDR'],
  63                     contact=self.cleaned_data['contact'],
  64                     form_tag=save_as_tag)
  65         for name, value in self.cleaned_data.items():
  66             if isinstance(value, UploadedFile):
  67                 contact.attachment_set.filter(tag=name).delete()
  68                 attachment = Attachment(contact=contact, tag=name)
  69                 attachment.file.save(value.name, value)
  70                 attachment.save()
  71
  72         site = Site.objects.get_current()
  73         dictionary = {
  74             'form_tag': self.form_tag,
  75             'site_name': site.name,
  76             'site_domain': site.domain,
  77             'contact': contact,
  78             'form': self,
  79         }
  80         context = RequestContext(request)
  81         if self.notify_on_register:
  82             mail_managers_subject = render_to_string([
  83                     'contact/%s/mail_managers_subject.txt' % self.form_tag,
  84                     'contact/mail_managers_subject.txt',
  85                 ], dictionary, context).strip()
  86             mail_managers_body = render_to_string([
  87                     'contact/%s/mail_managers_body.txt' % self.form_tag,
  88                     'contact/mail_managers_body.txt',
  89                 ], dictionary, context)
  90             mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
  91
  92         try:
  93             validate_email(contact.contact)
  94         except ValidationError:
  95             pass
  96         else:
  97             if self.notify_user:
  98                 mail_subject = render_to_string([
  99                         'contact/%s/mail_subject.txt' % self.form_tag,
 100                         'contact/mail_subject.txt',
 101                     ], dictionary, context).strip()
 102                 mail_body = render_to_string([
 103                         'contact/%s/mail_body.txt' % self.form_tag,
 104                         'contact/mail_body.txt',
 105                     ], dictionary, context)
 106                 send_mail(mail_subject, mail_body,
 107                     'no-reply@%s' % site.domain,
 108                     [contact.contact],
 109                     fail_silently=True)
 110
 111         return contact