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     mailing = False
  42     data_processing = None
  43
  44     required_css_class = 'required'
  45     contact = NotImplemented
  46
  47     def save(self, request, formsets=None):
  48         from .models import Attachment, Contact
  49         body = {}
  50         for name, value in self.cleaned_data.items():
  51             if not isinstance(value, UploadedFile) and name != 'contact':
  52                 body[name] = value
  53
  54         for formset in formsets or []:
  55             for f in formset.forms:
  56                 sub_body = {}
  57                 for name, value in f.cleaned_data.items():
  58                     if not isinstance(value, UploadedFile):
  59                         sub_body[name] = value
  60                 if sub_body:
  61                     body.setdefault(f.form_tag, []).append(sub_body)
  62
  63         contact = Contact.objects.create(
  64             body=body,
  65             ip=request.META['REMOTE_ADDR'],
  66             contact=self.cleaned_data['contact'],
  67             form_tag=self.form_tag)
  68         for name, value in self.cleaned_data.items():
  69             if isinstance(value, UploadedFile):
  70                 attachment = Attachment(contact=contact, tag=name)
  71                 attachment.file.save(value.name, value)
  72                 attachment.save()
  73
  74         site = Site.objects.get_current()
  75         dictionary = {
  76             'form_tag': self.form_tag,
  77             'site_name': getattr(self, 'site_name', site.name),
  78             'site_domain': getattr(self, 'site_domain', site.domain),
  79             'contact': contact,
  80         }
  81         context = RequestContext(request)
  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             mail_subject = render_to_string([
  98                     'contact/%s/mail_subject.txt' % self.form_tag,
  99                     'contact/mail_subject.txt',
 100                 ], dictionary, context).strip()
 101             if self.result_page:
 102                 mail_body = render_to_string(
 103                     'contact/%s/results_email.txt' % contact.form_tag,
 104                     {
 105                         'contact': contact,
 106                         'results': self.results(contact),
 107                     }, context)
 108             else:
 109                 mail_body = render_to_string([
 110                         'contact/%s/mail_body.txt' % self.form_tag,
 111                         'contact/mail_body.txt',
 112                     ], dictionary, context)
 113             send_mail(mail_subject, mail_body, 'no-reply@%s' % site.domain, [contact.contact], fail_silently=True)
 114             if self.mailing or (self.mailing_field and self.cleaned_data[self.mailing_field]):
 115                 email = self.cleaned_data['contact']
 116                 mailing.subscribe(email)
 117
 118         return contact