contact/forms.py

   1 # -*- coding: utf-8 -*-
   2 from django.contrib.sites.models import Site
   3 from django.core.exceptions import ValidationError
   4 from django.core.files.uploadedfile import UploadedFile
   5 from django.core.mail import send_mail, mail_managers
   6 from django.core.validators import validate_email
   7 from django import forms
   8 from django.template.loader import render_to_string
   9 from django.template import RequestContext
  10 from django.utils.translation import ugettext_lazy as _
  11
  12
  13 contact_forms = {}
  14 admin_list_width = 0
  15
  16
  17 class ContactFormMeta(forms.Form.__class__):
  18     def __new__(cls, name, bases, attrs):
  19         global admin_list_width
  20         model = super(ContactFormMeta, cls).__new__(cls, name, bases, attrs)
  21         assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
  22         if model.admin_list:
  23             admin_list_width = max(admin_list_width, len(model.admin_list))
  24         contact_forms[model.form_tag] = model
  25         return model
  26
  27
  28 class ContactForm(forms.Form):
  29     """Subclass and define some fields."""
  30     __metaclass__ = ContactFormMeta
  31
  32     form_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 save(self, request, formsets=None):
  41         from .models import Attachment, Contact
  42         body = {}
  43         for name, value in self.cleaned_data.items():
  44             if not isinstance(value, UploadedFile) and name != 'contact':
  45                 body[name] = value
  46
  47         for formset in formsets or []:
  48             for f in formset.forms:
  49                 sub_body = {}
  50                 for name, value in f.cleaned_data.items():
  51                     if not isinstance(value, UploadedFile):
  52                         sub_body[name] = value
  53                 if sub_body:
  54                     body.setdefault(f.form_tag, []).append(sub_body)
  55
  56         contact = Contact.objects.create(
  57             body=body,
  58             ip=request.META['REMOTE_ADDR'],
  59             contact=self.cleaned_data['contact'],
  60             form_tag=self.form_tag)
  61         for name, value in self.cleaned_data.items():
  62             if isinstance(value, UploadedFile):
  63                 attachment = Attachment(contact=contact, tag=name)
  64                 attachment.file.save(value.name, value)
  65                 attachment.save()
  66
  67         site = Site.objects.get_current()
  68         dictionary = {
  69             'form_tag': self.form_tag,
  70             'site_name': getattr(self, 'site_name', site.name),
  71             'site_domain': getattr(self, 'site_domain', site.domain),
  72             'contact': contact,
  73         }
  74         context = RequestContext(request)
  75         mail_managers_subject = render_to_string([
  76                 'contact/%s/mail_managers_subject.txt' % self.form_tag,
  77                 'contact/mail_managers_subject.txt',
  78             ], dictionary, context).strip()
  79         mail_managers_body = render_to_string([
  80                 'contact/%s/mail_managers_body.txt' % self.form_tag,
  81                 'contact/mail_managers_body.txt',
  82             ], dictionary, context)
  83         mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
  84
  85         try:
  86             validate_email(contact.contact)
  87         except ValidationError:
  88             pass
  89         else:
  90             mail_subject = render_to_string([
  91                     'contact/%s/mail_subject.txt' % self.form_tag,
  92                     'contact/mail_subject.txt',
  93                 ], dictionary, context).strip()
  94             mail_body = render_to_string([
  95                     'contact/%s/mail_body.txt' % self.form_tag,
  96                     'contact/mail_body.txt',
  97                 ], dictionary, context)
  98             send_mail(mail_subject, mail_body, 'no-reply@%s' % site.domain, [contact.contact], fail_silently=True)
  99
 100         return contact