# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
from datetime import date, datetime
+from urllib import urlencode
from django.core.urlresolvers import reverse
+from django.core.mail import send_mail
+from django.conf import settings
+from django.template.loader import render_to_string
from django.db import models
-from django.utils.translation import ugettext_lazy as _, ugettext as __
+from django.utils.translation import ugettext_lazy as _, ugettext, override
import getpaid
from catalogue.models import Book
+from catalogue.utils import get_random_hash, related_tag_name
+from polls.models import Poll
+from django.contrib.sites.models import Site
+from . import app_settings
class Offer(models.Model):
slug = models.SlugField(_('slug'))
description = models.TextField(_('description'), blank=True)
target = models.DecimalField(_('target'), decimal_places=2, max_digits=10)
- start = models.DateField(_('start'))
- end = models.DateField(_('end'))
- due = models.DateField(_('due'),
- help_text=_('When will it be published if the money is raised.'))
+ start = models.DateField(_('start'), db_index=True)
+ end = models.DateField(_('end'), db_index=True)
redakcja_url = models.URLField(_('redakcja URL'), blank=True)
book = models.ForeignKey(Book, null=True, blank=True,
help_text=_('Published book.'))
+ cover = models.ImageField(_('Cover'), upload_to = 'funding/covers')
+ poll = models.ForeignKey(Poll, help_text = _('Poll'), null = True, blank = True, on_delete = models.SET_NULL)
+ notified_near = models.DateTimeField(_('Near-end notifications sent'), blank=True, null=True)
+ notified_end = models.DateTimeField(_('End notifications sent'), blank=True, null=True)
+
+ def cover_img_tag(self):
+ return u'<img src="%s" />' % self.cover.url
+ cover_img_tag.short_description = _('Cover preview')
+ cover_img_tag.allow_tags = True
+
class Meta:
verbose_name = _('offer')
verbose_name_plural = _('offers')
def get_absolute_url(self):
return reverse('funding_offer', args=[self.slug])
+ def save(self, *args, **kw):
+ published_now = (self.book_id is not None and
+ self.pk is not None and
+ type(self).objects.values('book').get(pk=self.pk)['book'] != self.book_id)
+ retval = super(Offer, self).save(*args, **kw)
+ if published_now:
+ self.notify_published()
+ return retval
+
def is_current(self):
- return self.start <= date.today() <= self.end
+ return self.start <= date.today() <= self.end and self == self.current()
def is_win(self):
return self.sum() >= self.target
@classmethod
def current(cls):
- """ Returns current fundraiser or None. """
+ """ Returns current fundraiser or None.
+
+ Current fundraiser is the one that:
+ - has already started,
+ - hasn't yet ended,
+ - if there's more than one of those, it's the one that ends last.
+
+ """
today = date.today()
- objects = cls.objects.filter(start__lte=today, end__gte=today)
+ objects = cls.objects.filter(start__lte=today, end__gte=today).order_by('-end')
try:
return objects[0]
except IndexError:
@classmethod
def past(cls):
- """ QuerySet for all current and past fundraisers. """
- today = date.today()
- return cls.objects.filter(end__lt=today)
+ """ QuerySet for all past fundraisers. """
+ objects = cls.public()
+ current = cls.current()
+ if current is not None:
+ objects = objects.exclude(pk=current.pk)
+ return objects
@classmethod
def public(cls):
""" QuerySet for all completed payments for the offer. """
return Funding.payed().filter(offer=self)
+ def funders(self):
+ return self.funding_payed().order_by('-amount', 'payed_at')
+
def sum(self):
""" The money gathered. """
return self.funding_payed().aggregate(s=models.Sum('amount'))['s'] or 0
+ def notify_all(self, subject, template_name, extra_context=None):
+ Funding.notify_funders(
+ subject, template_name, extra_context,
+ query_filter=models.Q(offer=self)
+ )
+
+ def notify_end(self, force=False):
+ if not force and self.notified_end: return
+ assert not self.is_current()
+ self.notify_all(
+ _('The fundraiser has ended!'),
+ 'funding/email/end.txt', {
+ 'offer': self,
+ 'is_win': self.is_win(),
+ 'remaining': self.remaining(),
+ 'current': self.current(),
+ })
+ self.notified_end = datetime.now()
+ self.save()
+
+ def notify_near(self, force=False):
+ if not force and self.notified_near: return
+ assert self.is_current()
+ sum_ = self.sum()
+ need = self.target - sum_
+ self.notify_all(
+ _('The fundraiser will end soon!'),
+ 'funding/email/near.txt', {
+ 'days': (self.end - date.today()).days + 1,
+ 'offer': self,
+ 'is_win': self.is_win(),
+ 'sum': sum_,
+ 'need': need,
+ })
+ self.notified_near = datetime.now()
+ self.save()
+
+ def notify_published(self):
+ assert self.book is not None
+ self.notify_all(
+ _('The book you helped fund has been published.'),
+ 'funding/email/published.txt', {
+ 'offer': self,
+ 'book': self.book,
+ 'author': ", ".join(related_tag_name(a) for a in self.book.related_info()['tags']['author']),
+ 'current': self.current(),
+ })
+
class Perk(models.Model):
""" A perk offer.
offer = models.ForeignKey(Offer, verbose_name=_('offer'), null=True, blank=True)
price = models.DecimalField(_('price'), decimal_places=2, max_digits=10)
name = models.CharField(_('name'), max_length=255)
- description = models.TextField(_('description'), blank=True)
+ long_name = models.CharField(_('long name'), max_length=255)
end_date = models.DateField(_('end date'), null=True, blank=True)
class Meta:
"""
offer = models.ForeignKey(Offer, verbose_name=_('offer'))
name = models.CharField(_('name'), max_length=127, blank=True)
- email = models.EmailField(_('email'), blank=True)
+ email = models.EmailField(_('email'), blank=True, db_index=True)
amount = models.DecimalField(_('amount'), decimal_places=2, max_digits=10)
- payed_at = models.DateTimeField(_('payed at'), null=True, blank=True)
+ payed_at = models.DateTimeField(_('payed at'), null=True, blank=True, db_index=True)
perks = models.ManyToManyField(Perk, verbose_name=_('perks'), blank=True)
+ language_code = models.CharField(max_length = 2, null = True, blank = True)
+ notifications = models.BooleanField(_('notifications'), default=True, db_index=True)
+ notify_key = models.CharField(max_length=32)
- # Any additional info needed for perks?
+ class Meta:
+ verbose_name = _('funding')
+ verbose_name_plural = _('fundings')
+ ordering = ['-payed_at']
@classmethod
def payed(cls):
""" QuerySet for all completed payments. """
return cls.objects.exclude(payed_at=None)
- class Meta:
- verbose_name = _('funding')
- verbose_name_plural = _('fundings')
- ordering = ['-payed_at']
-
def __unicode__(self):
return unicode(self.offer)
def get_absolute_url(self):
return reverse('funding_funding', args=[self.pk])
+ def perk_names(self):
+ return ", ".join(perk.name for perk in self.perks.all())
+
+ def get_disable_notifications_url(self):
+ return "%s?%s" % (reverse("funding_disable_notifications"),
+ urlencode({
+ 'email': self.email,
+ 'key': self.notify_key,
+ }))
+
+ def save(self, *args, **kwargs):
+ if self.email and not self.notify_key:
+ self.notify_key = get_random_hash(self.email)
+ return super(Funding, self).save(*args, **kwargs)
+
+ @classmethod
+ def notify_funders(cls, subject, template_name, extra_context=None,
+ query_filter=None, payed_only=True):
+ funders = cls.objects.exclude(email="").filter(notifications=True)
+ if payed_only:
+ funders = funders.exclude(payed_at=None)
+ if query_filter is not None:
+ funders = funders.filter(query_filter)
+ emails = set()
+ for funder in funders:
+ if funder.email in emails:
+ continue
+ emails.add(funder.email)
+ funder.notify(subject, template_name, extra_context)
+
+ def notify(self, subject, template_name, extra_context=None):
+ context = {
+ 'funding': self,
+ 'site': Site.objects.get_current(),
+ }
+ if extra_context:
+ context.update(extra_context)
+ with override(self.language_code or app_settings.DEFAULT_LANGUAGE):
+ send_mail(subject,
+ render_to_string(template_name, context),
+ getattr(settings, 'CONTACT_EMAIL', 'wolnelektury@nowoczesnapolska.org.pl'),
+ [self.email],
+ fail_silently=False
+ )
+
+ def disable_notifications(self):
+ """Disables all notifications for this e-mail address."""
+ type(self).objects.filter(email=self.email).update(notifications=False)
+
+
# Register the Funding model with django-getpaid for payments.
getpaid.register_to_payment(Funding, unique=False, related_name='payment')
if old_status != 'paid' and new_status == 'paid':
instance.order.payed_at = datetime.now()
instance.order.save()
+ if instance.order.email:
+ instance.order.notify(
+ _('Thank you for your support!'),
+ 'funding/email/thanks.txt'
+ )
getpaid.signals.payment_status_changed.connect(payment_status_changed_listener)
fnp / wolnelektury.git / blobdiff