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 get_dictionary(self, contact):
  47         site = Site.objects.get_current()
  48         return {
  49             'form_tag': self.form_tag,
  50             'site_name': getattr(self, 'site_name', site.name),
  51             'site_domain': getattr(self, 'site_domain', site.domain),
  52             'contact': contact,
  53         }
  54
  55     def save(self, request, formsets=None):
  56         from .models import Attachment, Contact
  57         body = {}
  58         for name, value in self.cleaned_data.items():
  59             if not isinstance(value, UploadedFile) and name != 'contact':
  60                 body[name] = value
  61
  62         for formset in formsets or []:
  63             for f in formset.forms:
  64                 sub_body = {}
  65                 for name, value in f.cleaned_data.items():
  66                     if not isinstance(value, UploadedFile):
  67                         sub_body[name] = value
  68                 if sub_body:
  69                     body.setdefault(f.form_tag, []).append(sub_body)
  70
  71         contact = Contact.objects.create(
  72             body=body,
  73             ip=request.META['REMOTE_ADDR'],
  74             contact=self.cleaned_data['contact'],
  75             form_tag=self.form_tag)
  76         for name, value in self.cleaned_data.items():
  77             if isinstance(value, UploadedFile):
  78                 attachment = Attachment(contact=contact, tag=name)
  79                 attachment.file.save(value.name, value)
  80                 attachment.save()
  81
  82         site = Site.objects.get_current()
  83         dictionary = self.get_dictionary(contact)
  84         context = RequestContext(request)
  85         mail_managers_subject = render_to_string([
  86                 'contact/%s/mail_managers_subject.txt' % self.form_tag,
  87                 'contact/mail_managers_subject.txt',
  88             ], dictionary, context).strip()
  89         mail_managers_body = render_to_string([
  90                 'contact/%s/mail_managers_body.txt' % self.form_tag,
  91                 'contact/mail_managers_body.txt',
  92             ], dictionary, context)
  93         mail_managers(mail_managers_subject, mail_managers_body, fail_silently=True)
  94
  95         try:
  96             validate_email(contact.contact)
  97         except ValidationError:
  98             pass
  99         else:
 100             mail_subject = render_to_string([
 101                     'contact/%s/mail_subject.txt' % self.form_tag,
 102                     'contact/mail_subject.txt',
 103                 ], dictionary, context).strip()
 104             if self.result_page:
 105                 mail_body = render_to_string(
 106                     'contact/%s/results_email.txt' % contact.form_tag,
 107                     {
 108                         'contact': contact,
 109                         'results': self.results(contact),
 110                     }, context)
 111             else:
 112                 mail_body = render_to_string([
 113                         'contact/%s/mail_body.txt' % self.form_tag,
 114                         'contact/mail_body.txt',
 115                     ], dictionary, context)
 116             send_mail(mail_subject, mail_body, 'no-reply@%s' % site.domain, [contact.contact], fail_silently=True)
 117             if self.mailing_field and self.cleaned_data[self.mailing_field]:
 118                 email = self.cleaned_data['contact']
 119                 mailing.subscribe(email)
 120
 121         return contact