X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/87e084d47c335cd6f0b3e91d614999f55d148044..aafd994b0bdc67169764bdcd7d20b12381ea8699:/src/catalogue/models/book.py diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py index 1524c3456..5ac999eeb 100644 --- a/src/catalogue/models/book.py +++ b/src/catalogue/models/book.py @@ -4,7 +4,9 @@ # from collections import OrderedDict from random import randint +import os.path import re +import urllib from django.conf import settings from django.db import connection, models, transaction from django.db.models import permalink @@ -19,64 +21,67 @@ from newtagging import managers from catalogue import constants from catalogue.fields import EbookField from catalogue.models import Tag, Fragment, BookMedia -from catalogue.utils import create_zip +from catalogue.utils import create_zip, gallery_url, gallery_path +from catalogue.models.tag import prefetched_relations from catalogue import app_settings from catalogue import tasks +from wolnelektury.utils import makedirs bofh_storage = BofhFileSystemStorage() -def _cover_upload_to(i, n): - return 'book/cover/%s.jpg' % i.slug +def _make_upload_to(path): + def _upload_to(i, n): + return path % i.slug + return _upload_to + + +_cover_upload_to = _make_upload_to('book/cover/%s.jpg') +_cover_thumb_upload_to = _make_upload_to('book/cover_thumb/%s.jpg') -def _cover_thumb_upload_to(i, n): - return 'book/cover_thumb/%s.jpg' % i.slug def _ebook_upload_to(upload_path): - def _upload_to(i, n): - return upload_path % i.slug - return _upload_to + return _make_upload_to(upload_path) class Book(models.Model): """Represents a book imported from WL-XML.""" - title = models.CharField(_('title'), max_length=32767) + title = models.CharField(_('title'), max_length=32767) sort_key = models.CharField(_('sort key'), max_length=120, db_index=True, editable=False) - sort_key_author = models.CharField(_('sort key by author'), max_length=120, db_index=True, editable=False, default=u'') - slug = models.SlugField(_('slug'), max_length=120, db_index=True, - unique=True) + sort_key_author = models.CharField( + _('sort key by author'), max_length=120, db_index=True, editable=False, default=u'') + slug = models.SlugField(_('slug'), max_length=120, db_index=True, unique=True) common_slug = models.SlugField(_('slug'), max_length=120, db_index=True) - language = models.CharField(_('language code'), max_length=3, db_index=True, - default=app_settings.DEFAULT_LANGUAGE) - description = models.TextField(_('description'), blank=True) - created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True) - changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True) + language = models.CharField(_('language code'), max_length=3, db_index=True, default=app_settings.DEFAULT_LANGUAGE) + description = models.TextField(_('description'), blank=True) + created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True) + changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True) parent_number = models.IntegerField(_('parent number'), default=0) - extra_info = jsonfield.JSONField(_('extra information'), default={}) - gazeta_link = models.CharField(blank=True, max_length=240) - wiki_link = models.CharField(blank=True, max_length=240) + extra_info = jsonfield.JSONField(_('extra information'), default={}) + gazeta_link = models.CharField(blank=True, max_length=240) + wiki_link = models.CharField(blank=True, max_length=240) # files generated during publication - cover = EbookField('cover', _('cover'), - null=True, blank=True, - upload_to=_cover_upload_to, - storage=bofh_storage, max_length=255) + cover = EbookField( + 'cover', _('cover'), + null=True, blank=True, + upload_to=_cover_upload_to, + storage=bofh_storage, max_length=255) # Cleaner version of cover for thumbs - cover_thumb = EbookField('cover_thumb', _('cover thumbnail'), - null=True, blank=True, - upload_to=_cover_thumb_upload_to, - max_length=255) + cover_thumb = EbookField( + 'cover_thumb', _('cover thumbnail'), + null=True, blank=True, + upload_to=_cover_thumb_upload_to, + max_length=255) ebook_formats = constants.EBOOK_FORMATS formats = ebook_formats + ['html', 'xml'] - parent = models.ForeignKey('self', blank=True, null=True, - related_name='children') - ancestor = models.ManyToManyField('self', blank=True, - editable=False, related_name='descendant', symmetrical=False) + parent = models.ForeignKey('self', blank=True, null=True, related_name='children') + ancestor = models.ManyToManyField('self', blank=True, editable=False, related_name='descendant', symmetrical=False) - objects = models.Manager() - tagged = managers.ModelTaggedItemManager(Tag) - tags = managers.TagDescriptor(Tag) + objects = models.Manager() + tagged = managers.ModelTaggedItemManager(Tag) + tags = managers.TagDescriptor(Tag) tag_relations = GenericRelation(Tag.intermediary_table_model) html_built = django.dispatch.Signal() @@ -88,7 +93,7 @@ class Book(models.Model): pass class Meta: - ordering = ('sort_key',) + ordering = ('sort_key_author', 'sort_key') verbose_name = _('book') verbose_name_plural = _('books') app_label = 'catalogue' @@ -100,20 +105,30 @@ class Book(models.Model): try: return re.search(r'\w', self.title, re.U).group(0) except AttributeError: - return None + return '' + + def authors(self): + return self.tags.filter(category='author') + + def tag_unicode(self, category): + relations = prefetched_relations(self, category) + if relations: + return ', '.join(rel.tag.name for rel in relations) + else: + return ', '.join(self.tags.filter(category=category).values_list('name', flat=True)) - def author_str(self): - return ", ".join(str(t) for t in self.tags.filter(category='author')) + def author_unicode(self): + return self.tag_unicode('author') def save(self, force_insert=False, force_update=False, **kwargs): from sortify import sortify self.sort_key = sortify(self.title)[:120] - self.title = unicode(self.title) # ??? + self.title = unicode(self.title) # ??? try: - author = self.tags.filter(category='author')[0].sort_key - except IndexError: + author = self.authors().first().sort_key + except AttributeError: author = u'' self.sort_key_author = author @@ -123,12 +138,18 @@ class Book(models.Model): @permalink def get_absolute_url(self): - return ('catalogue.views.book_detail', [self.slug]) + return 'catalogue.views.book_detail', [self.slug] @staticmethod @permalink def create_url(slug): - return ('catalogue.views.book_detail', [slug]) + return 'catalogue.views.book_detail', [slug] + + def gallery_path(self): + return gallery_path(self.slug) + + def gallery_url(self): + return gallery_url(self.slug) @property def name(self): @@ -140,6 +161,9 @@ class Book(models.Model): def language_name(self): return dict(settings.LANGUAGES).get(self.language_code(), "") + def is_foreign(self): + return self.language_code() != settings.LANGUAGE_CODE + def has_media(self, type_): if type_ in Book.formats: return bool(getattr(self, "%s_file" % type_)) @@ -157,10 +181,13 @@ class Book(models.Model): def get_mp3(self): return self.get_media("mp3") + def get_odt(self): return self.get_media("odt") + def get_ogg(self): return self.get_media("ogg") + def get_daisy(self): return self.get_media("daisy") @@ -194,10 +221,11 @@ class Book(models.Model): else: meta_fallbacks = None - return WLDocument.from_file(self.xml_file.path, - provider=ORMDocProvider(self), - parse_dublincore=parse_dublincore, - meta_fallbacks=meta_fallbacks) + return WLDocument.from_file( + self.xml_file.path, + provider=ORMDocProvider(self), + parse_dublincore=parse_dublincore, + meta_fallbacks=meta_fallbacks) @staticmethod def zip_format(format_): @@ -209,8 +237,7 @@ class Book(models.Model): field_name = "%s_file" % format_ books = Book.objects.filter(parent=None).exclude(**{field_name: ""}) - paths = [(pretty_file_name(b), getattr(b, field_name).path) - for b in books.iterator()] + paths = [(pretty_file_name(b), getattr(b, field_name).path) for b in books.iterator()] return create_zip(paths, app_settings.FORMAT_ZIPS[format_]) def zip_audiobooks(self, format_): @@ -232,6 +259,20 @@ class Book(models.Model): index.index.rollback() raise e + def download_pictures(self, remote_gallery_url): + gallery_path = self.gallery_path() + # delete previous files, so we don't include old files in ebooks + if os.path.isdir(gallery_path): + for filename in os.listdir(gallery_path): + file_path = os.path.join(gallery_path, filename) + os.unlink(file_path) + ilustr_elements = list(self.wldocument().edoc.findall('//ilustr')) + if ilustr_elements: + makedirs(gallery_path) + for ilustr in ilustr_elements: + ilustr_src = ilustr.get('src') + ilustr_path = os.path.join(gallery_path, ilustr_src) + urllib.urlretrieve('%s/%s' % (remote_gallery_url, ilustr_src), ilustr_path) @classmethod def from_xml_file(cls, xml_file, **kwargs): @@ -250,9 +291,8 @@ class Book(models.Model): xml_file.close() @classmethod - def from_text_and_meta(cls, raw_file, book_info, overwrite=False, - dont_build=None, search_index=True, - search_index_tags=True): + def from_text_and_meta(cls, raw_file, book_info, overwrite=False, dont_build=None, search_index=True, + search_index_tags=True, remote_gallery_url=None): if dont_build is None: dont_build = set() dont_build = set.union(set(dont_build), set(app_settings.DONT_BUILD)) @@ -264,8 +304,7 @@ class Book(models.Model): try: children.append(Book.objects.get(slug=part_url.slug)) except Book.DoesNotExist: - raise Book.DoesNotExist(_('Book "%s" does not exist.') % - part_url.slug) + raise Book.DoesNotExist(_('Book "%s" does not exist.') % part_url.slug) # Read book metadata book_slug = book_info.url.slug @@ -278,8 +317,7 @@ class Book(models.Model): old_cover = None else: if not overwrite: - raise Book.AlreadyExists(_('Book %s already exists') % ( - book_slug)) + raise Book.AlreadyExists(_('Book %s already exists') % book_slug) # Save shelves for this book book_shelves = list(book.tags.filter(category='set')) old_cover = book.cover_info() @@ -322,6 +360,9 @@ class Book(models.Model): cls.repopulate_ancestors() tasks.update_counters.delay() + if remote_gallery_url: + book.download_pictures(remote_gallery_url) + # No saves beyond this point. # Build cover. @@ -349,37 +390,37 @@ class Book(models.Model): return book @classmethod + @transaction.atomic def repopulate_ancestors(cls): """Fixes the ancestry cache.""" # TODO: table names - with transaction.atomic(): - cursor = connection.cursor() - if connection.vendor == 'postgres': - cursor.execute("TRUNCATE catalogue_book_ancestor") - cursor.execute(""" - WITH RECURSIVE ancestry AS ( - SELECT book.id, book.parent_id - FROM catalogue_book AS book - WHERE book.parent_id IS NOT NULL - UNION - SELECT ancestor.id, book.parent_id - FROM ancestry AS ancestor, catalogue_book AS book - WHERE ancestor.parent_id = book.id - AND book.parent_id IS NOT NULL - ) - INSERT INTO catalogue_book_ancestor - (from_book_id, to_book_id) - SELECT id, parent_id - FROM ancestry - ORDER BY id; - """) - else: - cursor.execute("DELETE FROM catalogue_book_ancestor") - for b in cls.objects.exclude(parent=None): - parent = b.parent - while parent is not None: - b.ancestor.add(parent) - parent = parent.parent + cursor = connection.cursor() + if connection.vendor == 'postgres': + cursor.execute("TRUNCATE catalogue_book_ancestor") + cursor.execute(""" + WITH RECURSIVE ancestry AS ( + SELECT book.id, book.parent_id + FROM catalogue_book AS book + WHERE book.parent_id IS NOT NULL + UNION + SELECT ancestor.id, book.parent_id + FROM ancestry AS ancestor, catalogue_book AS book + WHERE ancestor.parent_id = book.id + AND book.parent_id IS NOT NULL + ) + INSERT INTO catalogue_book_ancestor + (from_book_id, to_book_id) + SELECT id, parent_id + FROM ancestry + ORDER BY id; + """) + else: + cursor.execute("DELETE FROM catalogue_book_ancestor") + for b in cls.objects.exclude(parent=None): + parent = b.parent + while parent is not None: + b.ancestor.add(parent) + parent = parent.parent def flush_includes(self, languages=True): if not languages: @@ -448,8 +489,7 @@ class Book(models.Model): return books def pretty_title(self, html_links=False): - names = [(tag.name, tag.get_absolute_url()) - for tag in self.tags.filter(category='author')] + names = [(tag.name, tag.get_absolute_url()) for tag in self.authors().only('name', 'category', 'slug')] books = self.parents() + [self] names.extend([(b.title, b.get_absolute_url()) for b in books]) @@ -471,7 +511,7 @@ class Book(models.Model): return objects.exclude(ancestor__in=objects) @classmethod - def book_list(cls, filter=None): + def book_list(cls, book_filter=None): """Generates a hierarchical listing of all books. Books are optionally filtered with a test function. @@ -479,10 +519,9 @@ class Book(models.Model): """ books_by_parent = {} - books = cls.objects.all().order_by('parent_number', 'sort_key').only( - 'title', 'parent', 'slug') - if filter: - books = books.filter(filter).distinct() + books = cls.objects.order_by('parent_number', 'sort_key').only('title', 'parent', 'slug') + if book_filter: + books = books.filter(book_filter).distinct() book_ids = set(b['pk'] for b in books.values("pk").iterator()) for book in books.iterator(): @@ -500,7 +539,7 @@ class Book(models.Model): books_by_author[tag] = [] for book in books_by_parent.get(None, ()): - authors = list(book.tags.filter(category='author')) + authors = list(book.authors().only('pk')) if authors: for author in authors: books_by_author[author].append(book) @@ -518,6 +557,7 @@ class Book(models.Model): "L": (3, u"liceum"), "LP": (3, u"liceum"), } + def audiences_pl(self): audiences = self.extra_info.get('audiences', []) audiences = sorted(set([self._audiences_pl.get(a, (99, a)) for a in audiences])) @@ -544,19 +584,36 @@ class Book(models.Model): else: return None + def update_popularity(self): + count = self.tags.filter(category='set').values('user').order_by('user').distinct().count() + try: + pop = self.popularity + pop.count = count + pop.save() + except BookPopularity.DoesNotExist: + BookPopularity.objects.create(book=self, count=count) + -# add the file fields -for format_ in Book.formats: - field_name = "%s_file" % format_ - # This weird globals() assignment makes Django migrations comfortable. - _upload_to = _ebook_upload_to('book/%s/%%s.%s' % (format_, format_)) - _upload_to.__name__ = '_%s_upload_to' % format_ - globals()[_upload_to.__name__] = _upload_to - - EbookField(format_, _("%s file" % format_.upper()), - upload_to=_upload_to, - storage=bofh_storage, - max_length=255, - blank=True, - default='' - ).contribute_to_class(Book, field_name) +def add_file_fields(): + for format_ in Book.formats: + field_name = "%s_file" % format_ + # This weird globals() assignment makes Django migrations comfortable. + _upload_to = _ebook_upload_to('book/%s/%%s.%s' % (format_, format_)) + _upload_to.__name__ = '_%s_upload_to' % format_ + globals()[_upload_to.__name__] = _upload_to + + EbookField( + format_, _("%s file" % format_.upper()), + upload_to=_upload_to, + storage=bofh_storage, + max_length=255, + blank=True, + default='' + ).contribute_to_class(Book, field_name) + +add_file_fields() + + +class BookPopularity(models.Model): + book = models.OneToOneField(Book, related_name='popularity') + count = models.IntegerField(default=0)