X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/c89776c783212b4e1ed572854bcf4308462d8b82..a3222a2e7997e50cf72a4548ee21c06d7e99ca65:/apps/catalogue/models/book.py diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py index 46d11e83..45726551 100755 --- a/apps/catalogue/models/book.py +++ b/apps/catalogue/models/book.py @@ -10,11 +10,12 @@ from django.utils.translation import ugettext_lazy as _ from slughifi import slughifi 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, book_content_updated from catalogue.xml_tools import compile_text, split_xml +from cover.models import Image class Book(models.Model): @@ -23,19 +24,25 @@ 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) public = models.BooleanField(_('public'), default=True, db_index=True) - gallery = models.CharField(_('scan gallery name'), max_length=255, blank=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", editable=False) + # 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) - dc_slug = models.CharField(max_length=128, null=True, blank=True, - editable=False, db_index=True) + _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 @@ -43,9 +50,8 @@ class Book(models.Model): class Meta: app_label = 'catalogue' ordering = ['title', 'slug'] - verbose_name = _('book') - verbose_name_plural = _('books') - + verbose_name = u'moduł' + verbose_name_plural = u'moduły' # Representing # ============ @@ -70,7 +76,7 @@ class Book(models.Model): @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" % ( @@ -86,8 +92,8 @@ class Book(models.Model): @classmethod @transaction.commit_on_success - def create(cls, creator, text, *args, **kwargs): - b = cls.objects.create(*args, **kwargs) + 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 @@ -98,8 +104,7 @@ class Book(models.Model): @classmethod @transaction.commit_on_success - def import_xml_text(cls, text=u'', previous_book=None, - commit_args=None, **kwargs): + 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: @@ -113,7 +118,6 @@ class Book(models.Model): 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) @@ -133,7 +137,7 @@ class Book(models.Model): 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) @@ -190,6 +194,17 @@ 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:]: + 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 @@ -208,6 +223,16 @@ class Book(models.Model): 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 # ============= @@ -221,26 +246,34 @@ class Book(models.Model): 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.dcparser import BookInfo 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 = 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('.') @@ -267,6 +300,15 @@ 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) @@ -277,25 +319,34 @@ class Book(models.Model): def book_info(self, publishable=True): try: - book_xml = self.materialize(publishable=publishable) + 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.encode('utf-8')) + 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.slug + 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): @@ -306,6 +357,7 @@ class Book(models.Model): "_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) @@ -336,7 +388,7 @@ class Book(models.Model): 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, @@ -346,16 +398,105 @@ class Book(models.Model): 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 + attachments = os.listdir(gallery_dir) + else: + attachments = [] + data['attachments'] = json.dumps(attachments) + 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')