X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/c3bcc0703d6255b78c2a6813bbea03e9581609e0..90db3bbc700e6ee98fe222cd7de72b7dccc82bcc:/apps/catalogue/models/book.py diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py index 1a141fcb..772634c6 100755 --- a/apps/catalogue/models/book.py +++ b/apps/catalogue/models/book.py @@ -4,26 +4,30 @@ # 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 django.conf import settings 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.helpers import cached_in_field, GalleryMerger 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 - +from cover.models import Image +import os +import shutil +import re class Book(models.Model): """ A document edited on the wiki """ 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) @@ -35,16 +39,18 @@ class Book(models.Model): _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_cover_image = models.ForeignKey(Image, blank=True, null=True, + db_index=True, on_delete=models.SET_NULL, 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 = ['title'] + ordering = ['title', 'slug'] verbose_name = _('book') verbose_name_plural = _('books') @@ -74,11 +80,20 @@ class Book(models.Model): 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) @@ -90,6 +105,7 @@ class Book(models.Model): 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.""" @@ -136,6 +152,7 @@ class Book(models.Model): 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 @@ -181,8 +198,47 @@ class Book(models.Model): chunk.save() number += 1 assert not other.chunk_set.exists() + + gm = GalleryMerger(self.gallery, other.gallery) + self.gallery = gm.merge() + + # and move the gallery starts + if gm.was_merged: + for chunk in self[len(self) - len_other:]: + chunk.gallery_start += gm.dest_size - gm.num_deleted + chunk.save() + + 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 # ============= @@ -199,20 +255,29 @@ class Book(models.Model): changes = self.get_current_changes(publishable=True) except self.NoTextError: raise AssertionError(_('Not all chunks have publishable revisions.')) - book_xml = self.materialize(changes=changes) + + from librarian import NoDublinCore, ParseError, ValidationError try: - bi = BookInfo.from_string(book_xml.encode('utf-8')) + bi = self.wldocument(changes=changes, strict=True).book_info except ParseError, e: - raise AssertionError(_('Invalid XML') + ': ' + str(e)) + raise AssertionError(_('Invalid XML') + ': ' + unicode(e)) except NoDublinCore: raise AssertionError(_('No Dublin Core found.')) except ValidationError, e: - raise AssertionError(_('Invalid Dublin Core') + ': ' + str(e)) + raise AssertionError(_('Invalid Dublin Core') + ': ' + unicode(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 publishable_error(self): + try: + return self.assert_publishable() + except AssertionError, e: + return e + else: + return None + def hidden(self): return self.slug.startswith('.') @@ -239,6 +304,16 @@ class Book(models.Model): 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) @@ -247,11 +322,47 @@ class Book(models.Model): 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, + 'dc_cover_image': None, + } + + info = self.book_info() + if info is not None: + update['dc_slug'] = info.url.slug + if info.cover_source: + try: + image = Image.objects.get(pk=int(info.cover_source.rstrip('/').rsplit('/', 1)[-1])) + except: + pass + else: + if info.cover_source == image.get_full_url(): + update['dc_cover_image'] = image + 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) @@ -292,6 +403,17 @@ class Book(models.Model): 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, strict=False): + 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, + strict=strict) + def publish(self, user): """ Publishes a book on behalf of a (local) user.