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, MultipleChoiceField
   5 from django.forms.fields import EmailField
   6 from django.forms.widgets import CheckboxSelectMultiple
   7 from django.template.loader import render_to_string
   8 from django.utils.safestring import mark_safe
   9 from django.utils.translation import ugettext_lazy as _, ugettext
  10
  11 from contact import mailing
  12 from newsletter.models import Subscription
  13 from wolnelektury.utils import send_noreply_mail
  14
  15
  16 class NewsletterForm(Form):
  17     email_field = 'email'
  18     agree_newsletter = BooleanField(
  19         required=False, initial=False, label=_(u'I want to receive Wolne Lektury\'s newsletter.'))
  20     mailing = False
  21     mailing_field = 'agree_newsletter'
  22
  23     data_processing_part1 = u'''\
  24 Administratorem danych osobowych jest Fundacja Nowoczesna Polska (ul. Marszałkowska 84/92 lok. 125, 00-514 Warszawa).
  25 Podanie danych osobowych jest dobrowolne.'''
  26     data_processing_part2 = u'''Dane są przetwarzane w zakresie niezbędnym do wysyłania newslettera odbiorcom.'''
  27     data_processing_part3 = u'''\
  28 Osobom, których dane są zbierane, przysługuje prawo dostępu do treści swoich danych oraz ich poprawiania.
  29 Więcej informacji w <a href="">polityce prywatności.</a>'''
  30
  31     @property
  32     def data_processing(self):
  33         return mark_safe('%s %s %s' % (self.data_processing_part1, self.data_processing_part2, self.data_processing_part3))
  34
  35     def save(self, *args, **kwargs):
  36         try:
  37             # multiple inheritance mode
  38             super(NewsletterForm, self).save(*args, **kwargs)
  39         except AttributeError:
  40             pass
  41         if not (self.mailing or self.cleaned_data.get(self.mailing_field)):
  42             return
  43         email = self.cleaned_data[self.email_field]
  44         try:
  45             validate_email(email)
  46         except ValidationError:
  47             pass
  48         else:
  49             # subscription, created = Subscription.objects.get_or_create(email=email, defaults={'active': False})
  50             # send_noreply_mail(
  51             #     ugettext(u'Confirm your subscription to Wolne Lektury newsletter'),
  52             #     render_to_string('newsletter/subscribe_email.html', {'subscription': subscription}), [email])
  53             mailing.subscribe(email, mailing_lists=self.cleaned_data.get('mailing_lists'))
  54
  55
  56 class SubscribeForm(NewsletterForm):
  57     mailing = True
  58     agree_newsletter = None
  59
  60     email = EmailField(label=_('email address'))
  61     mailing_lists = MultipleChoiceField(
  62         widget=CheckboxSelectMultiple,
  63         choices=(('general', _(u'general newsletter')), ('contest', _(u'about the contest'))),
  64         label=_(u'mailing list'))
  65
  66     def __init__(self, *args, **kwargs):
  67         super(SubscribeForm, self).__init__(*args, **kwargs)
  68
  69
  70 class UnsubscribeForm(Form):
  71     email = EmailField(label=_('email address'))
  72
  73     def clean(self):
  74         email = self.cleaned_data.get('email')
  75         try:
  76             subscription = Subscription.objects.get(email=email)
  77         except Subscription.DoesNotExist:
  78             raise ValidationError(ugettext(u'Email address not found.'))
  79         self.cleaned_data['subscription'] = subscription
  80
  81     def save(self):
  82         subscription = self.cleaned_data['subscription']
  83         subscription.active = False
  84         subscription.save()
  85
  86         context = {'subscription': subscription}
  87         # refactor to send_noreply_mail
  88         send_noreply_mail(
  89             ugettext(u'Unsubscribe from Wolne Lektury\'s newsletter.'),
  90             render_to_string('newsletter/unsubscribe_email.html', context),
  91             [subscription.email], fail_silently=True)