# 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.helpers import cached_in_field, GalleryMerger
+from catalogue.models import BookPublishRecord, ChunkPublishRecord, Project
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
class Book(models.Model):
title = models.CharField(_('title'), max_length=255, db_index=True)
slug = models.SlugField(_('slug'), max_length=128, unique=True, db_index=True)
- gallery = models.CharField(_('scan gallery name'), max_length=255, blank=True)
+ public = models.BooleanField(_('public'), default=True, db_index=True)
+ gallery = models.CharField(u'materiały', max_length=255, blank=True)
+ project = models.ForeignKey(Project, null=True, 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)
+ # 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", editable=False)
+ parent_number = models.IntegerField(_('parent number'), null=True, blank=True, db_index=True, editable=False)
+
+ for_cybernauts = models.BooleanField(_('for Cybernauts'), default=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_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 = ['parent_number', 'title']
- verbose_name = _('book')
- verbose_name_plural = _('books')
-
+ ordering = ['title', 'slug']
+ verbose_name = u'moduł'
+ verbose_name_plural = u'moduły'
# Representing
# ============
@models.permalink
def get_absolute_url(self):
- return ("catalogue_book", [self.slug])
+ 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
- def create(cls, creator, text, *args, **kwargs):
- b = cls.objects.create(*args, **kwargs)
+ @transaction.commit_on_success
+ def create(cls, creator, text, **kwargs):
+ b = cls.objects.create(**kwargs)
b.chunk_set.all().update(creator=creator)
b[0].commit(text, author=creator)
return b
return self.chunk_set.reverse()[0].split(*args, **kwargs)
@classmethod
- def import_xml_text(cls, text=u'', previous_book=None,
- commit_args=None, **kwargs):
+ @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."""
texts = split_xml(text)
if previous_book:
for i in range(book_len - len(texts)):
texts.append((u'pusta część %d' % (i + 1), u''))
- i = 0
for i, (title, text) in enumerate(texts):
if not title:
title = u'część %d' % (i + 1)
return instance
def make_chunk_slug(self, proposed):
- """
+ """
Finds a chunk slug not yet used in the book.
"""
slugs = set(c.slug for c in self)
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
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:]:
+ old_start = chunk.gallery_start or 1
+ chunk.gallery_start = old_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."""
+ 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
# =============
def assert_publishable(self):
assert self.chunk_set.exists(), _('No chunks in the book.')
try:
- changes = self.get_current_changes(publishable=True)
+ changes = self.get_current_changes()
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
+ if not bi.audience:
+ raise ValidationError('No audience specified')
+ if not bi.type:
+ raise ValidationError('No type specified')
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
+
def hidden(self):
return self.slug.startswith('.')
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.wl1_xml(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)
+ 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 Image.DoesNotExist:
+ 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)
def refresh(self):
"""This should be done offline."""
- self.short_html
- self.single
- self.new_publishable
- self.published
+ self.short_html()
+ self.single()
+ self.new_publishable()
+ self.published()
# Materializing & publishing
# ==========================
return changes
def materialize(self, publishable=False, changes=None):
- """
+ """
Get full text of the document compiled from chunks.
Takes the current versions of all texts
or versions most recently tagged for publishing,
changes = self.get_current_changes(publishable)
return compile_text(change.materialize() for change in changes)
- def publish(self, user):
+ 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.wl1_xml(publishable=publishable, changes=changes),
+ provider=RedakcjaDocProvider(publishable=publishable),
+ parse_dublincore=parse_dublincore,
+ strict=strict)
+
+ def publish(self, user, host=None):
"""
Publishes a book on behalf of a (local) user.
"""
+ import json
+ import os
+ from django.conf import settings
self.assert_publishable()
- changes = self.get_current_changes(publishable=True)
- book_xml = self.materialize(changes=changes)
- apiclient.api_call(user, "books/", {"book_xml": book_xml})
+ changes = self.get_current_changes()
+ data = {"lesson_xml": self.wl1_xml(changes=changes)}
+ if host:
+ gallery_url = u'%s%s%s%s/' % (host, settings.MEDIA_URL, settings.IMAGE_DIR, self.slug)
+ gallery_dir = os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, self.slug)
+ if os.path.isdir(gallery_dir):
+ data['gallery_url'] = gallery_url
+ data['attachments'] = json.dumps(os.listdir(gallery_dir))
+ apiclient.api_call(user, "lessons/", data)
# record the publish
br = BookPublishRecord.objects.create(book=self, user=user)
for c in changes:
ChunkPublishRecord.objects.create(book_record=br, change=c)
post_publish.send(sender=br)
+
+ def wl1_xml(self, publishable=True, changes=None):
+ from lxml import etree
+ import re
+ from StringIO import StringIO
+ from urllib import unquote
+ import os.path
+ from django.conf import settings
+ from fnpdjango.utils.text.slughifi import slughifi
+ from librarian import ParseError, DCNS
+
+ def _register_function(f):
+ """ Register extension function with lxml """
+ ns = etree.FunctionNamespace('http://wolnelektury.pl/functions')
+ ns[f.__name__] = f
+ return f
+
+ @_register_function
+ def slugify(context, text):
+ """Remove unneeded whitespace from beginning and end"""
+ if isinstance(text, list):
+ text = ''.join(text)
+ return slughifi(text)
+
+ @_register_function
+ def rmext(context, text):
+ if isinstance(text, list):
+ text = ''.join(text)
+ text = unquote(text)
+ if '.' in text:
+ name, ext = text.rsplit('.', 1)
+ if ext.lower() in ('doc', 'docx', 'odt', 'pdf', 'jpg', 'jpeg'):
+ text = name
+ return text
+
+ t = etree.parse(os.path.join(settings.PROJECT_ROOT, 'xslt/wl2to1.xslt'))
+ ft = self.materialize(publishable=publishable, changes=changes)
+ ft = ft.replace(' ', ' ')
+ f2 = StringIO(ft)
+ i1 = etree.parse(f2)
+
+ for sect in i1.findall('//section'):
+ if sect[0].text and sect[0].text.strip() == u'Przebieg zajęć':
+ # Prostujemy.
+ first = sect.find('section')
+ subs = first.findall('.//section')
+ for sub in subs:
+ sect.append(sub)
+ break
+ else:
+ # print 'BRAK PRZEBIEGU'
+ dc_type = i1.findall('//dc:type', namespaces={'dc': DCNS.uri})
+ if dc_type and dc_type[0] in ('course', 'synthetic'):
+ raise ParseError('Brak przebiegu')
+
+ i1.getroot().attrib['redslug'] = self.slug
+ i1.getroot().attrib['wlslug'] = self.slug # THIS!
+ # print '.',
+ w1t = i1.xslt(t)
+ for h in w1t.findall('//aktywnosc/opis'):
+ if len(h) == 0:
+ raise ParseError('Pusty element aktywnosc/opis')
+ # FIXME assumption that every lesson has at most 9 parts
+ if not h[0].text or not re.match(r'\d\.\s', h[0].text):
+ raise ParseError('Niepoprawny nagłówek (aktywnosc/opis): %s' % repr(h[0].text))
+ h[0].text = h[0].text[3:]
+ return etree.tostring(w1t, encoding='utf-8')
fnp / redakcja.git / blobdiff