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 from . import mailing
  13
  14
  15 contact_forms = {}
  16 admin_list_width = 0
  17
  18
  19 class ContactFormMeta(forms.Form.__class__):
  20     def __new__(cls, name, bases, attrs):
  21         global admin_list_width
  22         model = super(ContactFormMeta, cls).__new__(cls, name, bases, attrs)
  23         assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
  24         if model.admin_list:
  25             admin_list_width = max(admin_list_width, len(model.admin_list))
  26         contact_forms[model.form_tag] = model
  27         return model
  28
  29
  30 class ContactForm(forms.Form):
  31     """Subclass and define some fields."""
  32     __metaclass__ = ContactFormMeta
  33
  34     form_tag = None
  35     old_form_tags = []
  36     form_title = _('Contact form')
  37     submit_label = _('Submit')
  38     admin_list = None
  39     result_page = False
  40     mailing_field = None
  41
  42     required_css_class = 'required'
  43     contact = NotImplemented
  44     data_processing = None
  45
  46     def save(self, request, formsets=None):
  47         from .models import Attachment, Contact
  48         body = {}
  49         for name, value in self.cleaned_data.items():
  50             if not isinstance(value, UploadedFile) and name != 'contact':
  51                 body[name] = value
  52
  53         for formset in formsets or []:
  54             for f in formset.forms:
  55                 sub_body = {}
  56                 for name, value in f.cleaned_data.items():
  57                     if not isinstance(value, UploadedFile):
  58                         sub_body[name] = value
  59                 if sub_body:
  60                     body.setdefault(f.form_tag, []).append(sub_body)
  61
  62         contact = Contact.objects.create(
  63             body=body,
  64             ip=request.META['REMOTE_ADDR'],
  65             contact=self.cleaned_data['contact'],
  66             form_tag=self.form_tag)
  67         for name, value in self.cleaned_data.items():
  68             if isinstance(value, UploadedFile):
  69                 attachment = Attachment(contact=contact, tag=name)
  70                 attachment.file.save(value.name, value)
  71                 attachment.save()
  72
  73         site = Site.objects.get_current()
  74         dictionary = {
  75             'form_tag': self.form_tag,
  76             'site_name': getattr(self, 'site_name', site.name),
  77             'site_domain': getattr(self, 'site_domain', site.domain),
  78             'contact': contact,
  79         }
  80         context = RequestContext(request)
  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             if self.result_page:
 101                 mail_body = render_to_string(
 102                     'contact/%s/results_email.txt' % contact.form_tag,
 103                     {
 104                         'contact': contact,
 105                         'results': self.results(contact),
 106                     }, context)
 107             else:
 108                 mail_body = render_to_string([
 109                         'contact/%s/mail_body.txt' % self.form_tag,
 110                         'contact/mail_body.txt',
 111                     ], dictionary, context)
 112             send_mail(mail_subject, mail_body, 'no-reply@%s' % site.domain, [contact.contact], fail_silently=True)
 113             if self.mailing_field and self.cleaned_data[self.mailing_field]:
 114                 email = self.cleaned_data['contact']
 115                 mailing.subscribe(email)
 116
 117         return contact