X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/a4bbdfca488d989c3459a7e95345686bc072be54..357027375ff8867f42ca34bcbfb5a78b5b185fc3:/apps/funding/models.py diff --git a/apps/funding/models.py b/apps/funding/models.py deleted file mode 100644 index 162d33739..000000000 --- a/apps/funding/models.py +++ /dev/null @@ -1,193 +0,0 @@ -# -*- coding: utf-8 -*- -# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. -# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. -# -from datetime import date, datetime -from django.core.urlresolvers import reverse -from django.db import models -from django.utils.translation import ugettext_lazy as _, ugettext as __ -import getpaid -from catalogue.models import Book -from polls.models import Poll - - -class Offer(models.Model): - """ A fundraiser for a particular book. """ - author = models.CharField(_('author'), max_length=255) - title = models.CharField(_('title'), max_length=255) - slug = models.SlugField(_('slug')) - description = models.TextField(_('description'), blank=True) - target = models.DecimalField(_('target'), decimal_places=2, max_digits=10) - start = models.DateField(_('start'), db_index=True) - end = models.DateField(_('end'), db_index=True) - due = models.DateField(_('due'), - help_text=_('When will it be published if the money is raised.')) - 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, on_delete = models.SET_NULL) - - def cover_img_tag(self): - return u'' % 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') - ordering = ['-end'] - - def __unicode__(self): - return u"%s - %s" % (self.author, self.title) - - def get_absolute_url(self): - return reverse('funding_offer', args=[self.slug]) - - def is_current(self): - return self.start <= date.today() <= self.end - - def is_win(self): - return self.sum() >= self.target - - def remaining(self): - if self.is_current(): - return None - if self.is_win(): - return self.sum() - self.target - else: - return self.sum() - - @classmethod - def current(cls): - """ Returns current fundraiser or None. """ - today = date.today() - objects = cls.objects.filter(start__lte=today, end__gte=today) - try: - return objects[0] - except IndexError: - return None - - @classmethod - def past(cls): - """ QuerySet for all current and past fundraisers. """ - today = date.today() - return cls.objects.filter(end__lt=today) - - @classmethod - def public(cls): - """ QuerySet for all current and past fundraisers. """ - today = date.today() - return cls.objects.filter(start__lte=today) - - def get_perks(self, amount=None): - """ Finds all the perks for the offer. - - If amount is provided, returns the perks you get for it. - - """ - perks = Perk.objects.filter( - models.Q(offer=self) | models.Q(offer=None) - ).exclude(end_date__lt=date.today()) - if amount is not None: - perks = perks.filter(price__lte=amount) - return perks - - def funding_payed(self): - """ QuerySet for all completed payments for the offer. """ - return Funding.payed().filter(offer=self) - - def sum(self): - """ The money gathered. """ - return self.funding_payed().aggregate(s=models.Sum('amount'))['s'] or 0 - - -class Perk(models.Model): - """ A perk offer. - - If no attached to a particular Offer, applies to all. - - """ - 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) - end_date = models.DateField(_('end date'), null=True, blank=True) - - class Meta: - verbose_name = _('perk') - verbose_name_plural = _('perks') - ordering = ['-price'] - - def __unicode__(self): - return "%s (%s%s)" % (self.name, self.price, u" for %s" % self.offer if self.offer else "") - - -class Funding(models.Model): - """ A person paying in a fundraiser. - - The payment was completed if and only if payed_at is set. - - """ - offer = models.ForeignKey(Offer, verbose_name=_('offer')) - name = models.CharField(_('name'), max_length=127, blank=True) - email = models.EmailField(_('email'), blank=True) - amount = models.DecimalField(_('amount'), decimal_places=2, max_digits=10) - payed_at = models.DateTimeField(_('payed at'), null=True, blank=True, db_index=True) - perks = models.ManyToManyField(Perk, verbose_name=_('perks'), blank=True) - - # Any additional info needed for perks? - - @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]) - -# Register the Funding model with django-getpaid for payments. -getpaid.register_to_payment(Funding, unique=False, related_name='payment') - - -class Spent(models.Model): - """ Some of the remaining money spent on a book. """ - book = models.ForeignKey(Book) - amount = models.DecimalField(_('amount'), decimal_places=2, max_digits=10) - timestamp = models.DateField(_('when')) - - class Meta: - verbose_name = _('money spent on a book') - verbose_name_plural = _('money spent on books') - ordering = ['-timestamp'] - - def __unicode__(self): - return u"Spent: %s" % unicode(self.book) - - -def new_payment_query_listener(sender, order=None, payment=None, **kwargs): - """ Set payment details for getpaid. """ - payment.amount = order.amount - payment.currency = 'PLN' -getpaid.signals.new_payment_query.connect(new_payment_query_listener) - - -def user_data_query_listener(sender, order, user_data, **kwargs): - """ Set user data for payment. """ - user_data['email'] = order.email -getpaid.signals.user_data_query.connect(user_data_query_listener) - -def payment_status_changed_listener(sender, instance, old_status, new_status, **kwargs): - """ React to status changes from getpaid. """ - if old_status != 'paid' and new_status == 'paid': - instance.order.payed_at = datetime.now() - instance.order.save() -getpaid.signals.payment_status_changed.connect(payment_status_changed_listener)