# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
from django.contrib.sites.models import Site
-from django.db import models
+from django.db import models, transaction
from django.template.loader import render_to_string
from django.utils.translation import ugettext_lazy as _
from slughifi import slughifi
-from librarian import NoDublinCore, ParseError, ValidationError
-from librarian.dcparser import BookInfo
import apiclient
from catalogue.helpers import cached_in_field
from catalogue.models import BookPublishRecord, ChunkPublishRecord
from catalogue.signals import post_publish
-from catalogue.tasks import refresh_instance
+from catalogue.tasks import refresh_instance, book_content_updated
from catalogue.xml_tools import compile_text, split_xml
title = models.CharField(_('title'), max_length=255, db_index=True)
slug = models.SlugField(_('slug'), max_length=128, unique=True, db_index=True)
+ public = models.BooleanField(_('public'), default=True, db_index=True)
gallery = models.CharField(_('scan gallery name'), max_length=255, blank=True)
#wl_slug = models.CharField(_('title'), max_length=255, null=True, db_index=True, editable=False)
- parent = models.ForeignKey('self', null=True, blank=True, verbose_name=_('parent'), related_name="children")
- parent_number = models.IntegerField(_('parent number'), null=True, blank=True, db_index=True)
+ parent = models.ForeignKey('self', null=True, blank=True, verbose_name=_('parent'), related_name="children", editable=False)
+ parent_number = models.IntegerField(_('parent number'), null=True, blank=True, db_index=True, editable=False)
# Cache
_short_html = models.TextField(null=True, blank=True, editable=False)
_single = models.NullBooleanField(editable=False, db_index=True)
_new_publishable = models.NullBooleanField(editable=False)
_published = models.NullBooleanField(editable=False)
-
- # Managers
- objects = models.Manager()
+ _on_track = models.IntegerField(null=True, blank=True, db_index=True, editable=False)
+ dc_slug = models.CharField(max_length=128, null=True, blank=True,
+ editable=False, db_index=True)
class NoTextError(BaseException):
pass
class Meta:
app_label = 'catalogue'
- ordering = ['parent_number', 'title']
+ ordering = ['title', 'slug']
verbose_name = _('book')
verbose_name_plural = _('books')
def get_absolute_url(self):
return ("catalogue_book", [self.slug])
+ def correct_about(self):
+ return "http://%s%s" % (
+ Site.objects.get_current().domain,
+ self.get_absolute_url()
+ )
# Creating & manipulating
# =======================
+ def accessible(self, request):
+ return self.public or request.user.is_authenticated()
+
@classmethod
+ @transaction.commit_on_success
def create(cls, creator, text, *args, **kwargs):
b = cls.objects.create(*args, **kwargs)
b.chunk_set.all().update(creator=creator)
return self.chunk_set.reverse()[0].split(*args, **kwargs)
@classmethod
+ @transaction.commit_on_success
def import_xml_text(cls, text=u'', previous_book=None,
commit_args=None, **kwargs):
"""Imports a book from XML, splitting it into chunks as necessary."""
i += 1
return new_slug
+ @transaction.commit_on_success
def append(self, other, slugs=None, titles=None):
"""Add all chunks of another book to self."""
assert self != other
assert not other.chunk_set.exists()
other.delete()
+ @transaction.commit_on_success
+ def prepend_history(self, other):
+ """Prepend history from all the other book's chunks to own."""
+ assert self != other
+
+ for i in range(len(self), len(other)):
+ title = u"pusta część %d" % i
+ chunk = self.add(slughifi(title), title)
+ chunk.commit('')
+
+ for i in range(len(other)):
+ self[i].prepend_history(other[0])
+
+ assert not other.chunk_set.exists()
+ other.delete()
+
+ def split(self):
+ """Splits all the chunks into separate books."""
+ self.title
+ for chunk in self:
+ book = Book.objects.create(title=chunk.title, slug=chunk.slug,
+ public=self.public, gallery=self.gallery)
+ book[0].delete()
+ chunk.book = book
+ chunk.number = 1
+ chunk.save()
+ assert not self.chunk_set.exists()
+ self.delete()
# State & cache
# =============
raise AssertionError(_('Not all chunks have publishable revisions.'))
book_xml = self.materialize(changes=changes)
+ from librarian.dcparser import BookInfo
+ from librarian import NoDublinCore, ParseError, ValidationError
+
try:
bi = BookInfo.from_string(book_xml.encode('utf-8'))
except ParseError, e:
except ValidationError, e:
raise AssertionError(_('Invalid Dublin Core') + ': ' + str(e))
- valid_about = "http://%s%s" % (Site.objects.get_current().domain, self.get_absolute_url())
+ valid_about = self.correct_about()
assert bi.about == valid_about, _("rdf:about is not") + " " + valid_about
def hidden(self):
return self.publish_log.exists()
published = cached_in_field('_published')(is_published)
+ def get_on_track(self):
+ if self.published:
+ return -1
+ stages = [ch.stage.ordering if ch.stage is not None else 0
+ for ch in self]
+ if not len(stages):
+ return 0
+ return min(stages)
+ on_track = cached_in_field('_on_track')(get_on_track)
+
def is_single(self):
return len(self) == 1
single = cached_in_field('_single')(is_single)
def short_html(self):
return render_to_string('catalogue/book_list/book.html', {'book': self})
+ def book_info(self, publishable=True):
+ try:
+ book_xml = self.materialize(publishable=publishable)
+ except self.NoTextError:
+ pass
+ else:
+ from librarian.dcparser import BookInfo
+ from librarian import NoDublinCore, ParseError, ValidationError
+ try:
+ return BookInfo.from_string(book_xml.encode('utf-8'))
+ except (self.NoTextError, ParseError, NoDublinCore, ValidationError):
+ return None
+
+ def refresh_dc_cache(self):
+ update = {
+ 'dc_slug': None,
+ }
+
+ info = self.book_info()
+ if info is not None:
+ update['dc_slug'] = info.url.slug
+ Book.objects.filter(pk=self.pk).update(**update)
+
def touch(self):
+ # this should only really be done when text or publishable status changes
+ book_content_updated.delay(self)
+
update = {
"_new_publishable": self.is_new_publishable(),
"_published": self.is_published(),
"_single": self.is_single(),
+ "_on_track": self.get_on_track(),
"_short_html": None,
}
Book.objects.filter(pk=self.pk).update(**update)
changes = self.get_current_changes(publishable)
return compile_text(change.materialize() for change in changes)
+ def wldocument(self, publishable=True, changes=None, parse_dublincore=True):
+ from catalogue.ebook_utils import RedakcjaDocProvider
+ from librarian.parser import WLDocument
+
+ return WLDocument.from_string(
+ self.materialize(publishable=publishable, changes=changes),
+ provider=RedakcjaDocProvider(publishable=publishable),
+ parse_dublincore=parse_dublincore)
+
def publish(self, user):
"""
Publishes a book on behalf of a (local) user.
fnp / redakcja.git / blobdiff