+++ /dev/null
-# -*- coding: utf-8 -*-
-#
-# This file is part of FNP-Redakcja, 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.template.loader import render_to_string
-from django.utils.translation import ugettext_lazy as _
-from catalogue.helpers import cached_in_field
-from catalogue.tasks import refresh_instance
-from dvcs import models as dvcs_models
-
-
-class Image(dvcs_models.Document):
- """ An editable chunk of text. Every Book text is divided into chunks. """
- REPO_PATH = settings.CATALOGUE_IMAGE_REPO_PATH
-
- image = models.FileField(_('image'), upload_to='catalogue/images')
- title = models.CharField(_('title'), max_length=255, blank=True)
- slug = models.SlugField(_('slug'), unique=True)
- public = models.BooleanField(_('public'), default=True, db_index=True)
-
- # cache
- _short_html = models.TextField(null=True, blank=True, editable=False)
- _new_publishable = models.NullBooleanField(editable=False)
- _published = models.NullBooleanField(editable=False)
- _changed = models.NullBooleanField(editable=False)
-
- class Meta:
- app_label = 'catalogue'
- ordering = ['title']
- verbose_name = _('image')
- verbose_name_plural = _('images')
- permissions = [('can_pubmark_image', 'Can mark images for publishing')]
-
- # Representing
- # ============
-
- def __unicode__(self):
- return self.title
-
- @models.permalink
- def get_absolute_url(self):
- return ("catalogue_image", [self.slug])
-
- # State & cache
- # =============
-
- def accessible(self, request):
- return self.public or request.user.is_authenticated()
-
- def is_new_publishable(self):
- change = self.publishable()
- if not change:
- return False
- return change.publish_log.exists()
- new_publishable = cached_in_field('_new_publishable')(is_new_publishable)
-
- def is_published(self):
- return self.publish_log.exists()
- published = cached_in_field('_published')(is_published)
-
- def is_changed(self):
- if self.head is None:
- return False
- return not self.head.publishable
- changed = cached_in_field('_changed')(is_changed)
-
- @cached_in_field('_short_html')
- def short_html(self):
- return render_to_string(
- 'catalogue/image_short.html', {'image': self})
-
- def refresh(self):
- """This should be done offline."""
- self.short_html
- self.single
- self.new_publishable
- self.published
-
- def touch(self):
- update = {
- "_changed": self.is_changed(),
- "_short_html": None,
- "_new_publishable": self.is_new_publishable(),
- "_published": self.is_published(),
- }
- Image.objects.filter(pk=self.pk).update(**update)
- refresh_instance(self)
-
- def refresh(self):
- """This should be done offline."""
- self.changed
- self.short_html