-# -*- 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 django.conf import settings
-from django.db import models
-from django.utils.translation import ugettext_lazy as _
-from ssify import flush_ssi_includes
-
-
-class Collection(models.Model):
- """A collection of books, which might be defined before publishing them."""
- title = models.CharField(_('title'), max_length=120, db_index=True)
- slug = models.SlugField(_('slug'), max_length=120, primary_key=True)
- description = models.TextField(_('description'), null=True, blank=True)
-
- models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
- book_slugs = models.TextField(_('book slugs'))
-
- kind = models.CharField(_('kind'), max_length=10, blank=False, default='book', db_index=True, choices=((('book'), _('book')), (('picture'), ('picture'))))
-
- class Meta:
- ordering = ('title',)
- verbose_name = _('collection')
- verbose_name_plural = _('collections')
- app_label = 'catalogue'
-
- def __unicode__(self):
- return self.title
-
- @models.permalink
- def get_absolute_url(self):
- return ("collection", [self.slug])
-
- def get_query(self):
- slugs = self.book_slugs.split()
- # allow URIs
- slugs = [slug.rstrip('/').rsplit('/', 1)[-1] if '/' in slug else slug
- for slug in slugs]
- return models.Q(slug__in=slugs)
-
- def flush_includes(self, languages=True):
- if not languages:
- return
- if languages is True:
- languages = [lc for (lc, _ln) in settings.LANGUAGES]
-
- flush_ssi_includes([
- '/katalog/%s.json' % lang for lang in languages])