src/newsletter/forms.py

   1 # -*- coding: utf-8 -*-
   2 from django.core.exceptions import ValidationError
   3 from django.core.validators import validate_email
   4 from django.forms import Form, BooleanField
   5 from django.forms.fields import EmailField
   6 from django.template.loader import render_to_string
   7 from django.utils.safestring import mark_safe
   8 from django.utils.translation import ugettext_lazy as _, ugettext
   9
  10 from contact import mailing
  11 from newsletter.models import Subscription
  12 from wolnelektury.utils import send_noreply_mail
  13
  14
  15 class NewsletterForm(Form):
  16     email_field = 'email'
  17     agree_newsletter = BooleanField(
  18         required=False, initial=False, label=_(u'I want to receive Wolne Lektury\'s newsletter.'))
  19
  20     data_processing_part1 = u'''\
  21 Administratorem danych osobowych jest Fundacja Nowoczesna Polska (ul. Marszałkowska 84/92 lok. 125, 00-514 Warszawa).
  22 Podanie danych osobowych jest dobrowolne.'''
  23     data_processing_part2 = u'''Dane są przetwarzane w zakresie niezbędnym do wysyłania newslettera odbiorcom.'''
  24     data_processing_part3 = u'''\
  25 Osobom, których dane są zbierane, przysługuje prawo dostępu do treści swoich danych oraz ich poprawiania.
  26 Więcej informacji w <a href="">polityce prywatności.</a>'''
  27
  28     @property
  29     def data_processing(self):
  30         return mark_safe('%s %s %s' % (self.data_processing_part1, self.data_processing_part2, self.data_processing_part3))
  31
  32     def save(self):
  33         try:
  34             # multiple inheritance mode
  35             super(NewsletterForm, self).save()
  36         except AttributeError:
  37             pass
  38         if not self.cleaned_data.get('agree_newsletter'):
  39             return
  40         email = self.cleaned_data[self.email_field]
  41         try:
  42             validate_email(email)
  43         except ValidationError:
  44             pass
  45         else:
  46             # subscription, created = Subscription.objects.get_or_create(email=email, defaults={'active': False})
  47             # send_noreply_mail(
  48             #     ugettext(u'Confirm your subscription to Wolne Lektury newsletter'),
  49             #     render_to_string('newsletter/subscribe_email.html', {'subscription': subscription}), [email])
  50             mailing.subscribe(email)
  51
  52
  53 class SubscribeForm(NewsletterForm):
  54     email = EmailField(label=_('email address'))
  55
  56     def __init__(self, *args, **kwargs):
  57         super(SubscribeForm, self).__init__(*args, **kwargs)
  58         self.fields['agree_newsletter'].required = True
  59
  60
  61 class UnsubscribeForm(Form):
  62     email = EmailField(label=_('email address'))
  63
  64     def clean(self):
  65         email = self.cleaned_data.get('email')
  66         try:
  67             subscription = Subscription.objects.get(email=email)
  68         except Subscription.DoesNotExist:
  69             raise ValidationError(ugettext(u'Email address not found.'))
  70         self.cleaned_data['subscription'] = subscription
  71
  72     def save(self):
  73         subscription = self.cleaned_data['subscription']
  74         subscription.active = False
  75         subscription.save()
  76
  77         context = {'subscription': subscription}
  78         # refactor to send_noreply_mail
  79         send_noreply_mail(
  80             ugettext(u'Unsubscribe from Wolne Lektury\'s newsletter.'),
  81             render_to_string('newsletter/unsubscribe_email.html', context),
  82             [subscription.email], fail_silently=True)