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         if model.form_tag:
  24             assert model.form_tag not in contact_forms, 'Duplicate form_tag.'
  25             if model.admin_list:
  26                 admin_list_width = max(admin_list_width, len(model.admin_list))
  27             contact_forms[model.form_tag] = model
  28         return model
  29
  30
  31 class ContactForm(forms.Form):
  32     """Subclass and define some fields."""
  33     __metaclass__ = ContactFormMeta
  34
  35     form_tag = None
  36     old_form_tags = []
  37     form_title = _('Contact form')
  38     submit_label = _('Submit')
  39     admin_list = None
  40     result_page = False
  41     mailing_field = None
  42     mailing = False
  43     data_processing = None
  44
  45     required_css_class = 'required'
  46     contact = NotImplemented
  47
  48     def save(self, request, formsets=None):
  49         from .models import Attachment, Contact
  50         body = {}
  51         for name, value in self.cleaned_data.items():
  52             if not isinstance(value, UploadedFile) and name != 'contact':
  53                 body[name] = value
  54
  55         for formset in formsets or []:
  56             for f in formset.forms:
  57                 sub_body = {}
  58                 for name, value in f.cleaned_data.items():
  59                     if not isinstance(value, UploadedFile):
  60                         sub_body[name] = value
  61                 if sub_body:
  62                     body.setdefault(f.form_tag, []).append(sub_body)
  63
  64         contact = Contact.objects.create(
  65             body=body,
  66             ip=request.META['REMOTE_ADDR'],
  67             contact=self.cleaned_data['contact'],
  68             form_tag=self.form_tag)
  69         for name, value in self.cleaned_data.items():
  70             if isinstance(value, UploadedFile):
  71                 attachment = Attachment(contact=contact, tag=name)
  72                 attachment.file.save(value.name, value)
  73                 attachment.save()
  74
  75         site = Site.objects.get_current()
  76         dictionary = {
  77             'form_tag': self.form_tag,
  78             'site_name': getattr(self, 'site_name', site.name),
  79             'site_domain': getattr(self, 'site_domain', site.domain),
  80             'contact': contact,
  81         }
  82         context = RequestContext(request)
  83         mail_managers_subject = render_to_string([
  84                 'contact/%s/mail_managers_subject.txt' % self.form_tag,
  85                 'contact/mail_managers_subject.txt',
  86             ], dictionary, context).strip()
  87         mail_managers_body = render_to_string([
  88                 'contact/%s/mail_managers_body.txt' % self.form_tag,
  89                 'contact/mail_managers_body.txt',
  90             ], dictionary, context)
  91         mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
  92
  93         try:
  94             validate_email(contact.contact)
  95         except ValidationError:
  96             pass
  97         else:
  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             if self.result_page:
 103                 mail_body = render_to_string(
 104                     'contact/%s/results_email.txt' % contact.form_tag,
 105                     {
 106                         'contact': contact,
 107                         'results': self.results(contact),
 108                     }, context)
 109             else:
 110                 mail_body = render_to_string([
 111                         'contact/%s/mail_body.txt' % self.form_tag,
 112                         'contact/mail_body.txt',
 113                     ], dictionary, context)
 114             send_mail(mail_subject, mail_body, 'no-reply@%s' % site.domain, [contact.contact], fail_silently=True)
 115             if self.mailing or (self.mailing_field and self.cleaned_data[self.mailing_field]):
 116                 email = self.cleaned_data['contact']
 117                 mailing.subscribe(email)
 118
 119         return contact