1 # -*- coding: utf-8 -*-
2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
5 from django.db import models
6 from django.utils.translation import ugettext_lazy as _
9 class Collection(models.Model):
10 """A collection of books, which might be defined before publishing them."""
11 title = models.CharField(_('title'), max_length=120, db_index=True)
12 slug = models.SlugField(_('slug'), max_length=120, primary_key=True)
13 description = models.TextField(_('description'), null=True, blank=True)
15 models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
16 book_slugs = models.TextField(_('book slugs'))
20 verbose_name = _('collection')
21 verbose_name_plural = _('collections')
22 app_label = 'catalogue'
24 def __unicode__(self):
28 def get_absolute_url(self):
29 return ("collection", [self.slug])
32 slugs = self.book_slugs.split()
34 slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
36 return models.Q(slug__in=slugs)