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