X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/c4e9b9e65d8950259e37be9aa87d6be0304263b6..c7ff3149aa25aeda0a53ffa05761947a2e806484:/src/catalogue/models/book.py diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py index 9f0576c5d..fc07fc5f7 100644 --- a/src/catalogue/models/book.py +++ b/src/catalogue/models/book.py @@ -8,6 +8,7 @@ from random import randint import os.path import re from urllib.request import urlretrieve +from django.apps import apps from django.conf import settings from django.db import connection, models, transaction import django.dispatch @@ -15,44 +16,22 @@ from django.contrib.contenttypes.fields import GenericRelation from django.template.loader import render_to_string from django.urls import reverse from django.utils.translation import ugettext_lazy as _, get_language -from django.utils.deconstruct import deconstructible from fnpdjango.storage import BofhFileSystemStorage - +from lxml import html from librarian.cover import WLCover from librarian.html import transform_abstrakt from newtagging import managers from catalogue import constants -from catalogue.fields import EbookField +from catalogue import fields from catalogue.models import Tag, Fragment, BookMedia from catalogue.utils import create_zip, gallery_url, gallery_path, split_tags, get_random_hash from catalogue.models.tag import prefetched_relations from catalogue import app_settings -from catalogue import tasks from wolnelektury.utils import makedirs, cached_render, clear_cached_renders bofh_storage = BofhFileSystemStorage() -@deconstructible -class UploadToPath(object): - def __init__(self, path): - self.path = path - - def __call__(self, instance, filename): - return self.path % instance.slug - - -_cover_upload_to = UploadToPath('book/cover/%s.jpg') -_cover_thumb_upload_to = UploadToPath('book/cover_thumb/%s.jpg') -_cover_api_thumb_upload_to = UploadToPath('book/cover_api_thumb/%s.jpg') -_simple_cover_upload_to = UploadToPath('book/cover_simple/%s.jpg') -_cover_ebookpoint_upload_to = UploadToPath('book/cover_ebookpoint/%s.jpg') - - -def _ebook_upload_to(upload_path): - return UploadToPath(upload_path) - - class Book(models.Model): """Represents a book imported from WL-XML.""" title = models.CharField(_('title'), max_length=32767) @@ -64,6 +43,7 @@ class Book(models.Model): language = models.CharField(_('language code'), max_length=3, db_index=True, default=app_settings.DEFAULT_LANGUAGE) description = models.TextField(_('description'), blank=True) abstract = models.TextField(_('abstract'), blank=True) + toc = models.TextField(_('toc'), blank=True) created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True) changed_at = models.DateTimeField(_('change date'), auto_now=True, db_index=True) parent_number = models.IntegerField(_('parent number'), default=0) @@ -79,37 +59,24 @@ class Book(models.Model): findable = models.BooleanField(_('findable'), default=True, db_index=True) # files generated during publication - cover = EbookField( - 'cover', _('cover'), - null=True, blank=True, - upload_to=_cover_upload_to, - storage=bofh_storage, max_length=255) - cover_etag = models.CharField(max_length=255, editable=False, default='', db_index=True) + xml_file = fields.XmlField(storage=bofh_storage, with_etag=False) + html_file = fields.HtmlField(storage=bofh_storage) + fb2_file = fields.Fb2Field(storage=bofh_storage) + txt_file = fields.TxtField(storage=bofh_storage) + epub_file = fields.EpubField(storage=bofh_storage) + mobi_file = fields.MobiField(storage=bofh_storage) + pdf_file = fields.PdfField(storage=bofh_storage) + + cover = fields.CoverField(_('cover'), storage=bofh_storage) # 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_etag = models.CharField(max_length=255, editable=False, default='', db_index=True) - cover_api_thumb = EbookField( - 'cover_api_thumb', _('cover thumbnail for mobile app'), - null=True, blank=True, - upload_to=_cover_api_thumb_upload_to, - max_length=255) - cover_api_thumb_etag = models.CharField(max_length=255, editable=False, default='', db_index=True) - simple_cover = EbookField( - 'simple_cover', _('cover for mobile app'), - null=True, blank=True, - upload_to=_simple_cover_upload_to, - max_length=255) - simple_cover_etag = models.CharField(max_length=255, editable=False, default='', db_index=True) - cover_ebookpoint = EbookField( - 'cover_ebookpoint', _('cover for Ebookpoint'), - null=True, blank=True, - upload_to=_cover_ebookpoint_upload_to, - max_length=255) - cover_ebookpoint_etag = models.CharField(max_length=255, editable=False, default='', db_index=True) + cover_clean = fields.CoverCleanField(_('clean cover')) + cover_thumb = fields.CoverThumbField(_('cover thumbnail')) + cover_api_thumb = fields.CoverApiThumbField( + _('cover thumbnail for mobile app')) + simple_cover = fields.SimpleCoverField(_('cover for mobile app')) + cover_ebookpoint = fields.CoverEbookpointField( + _('cover for Ebookpoint')) + ebook_formats = constants.EBOOK_FORMATS formats = ebook_formats + ['html', 'xml'] @@ -129,6 +96,8 @@ class Book(models.Model): SORT_KEY_SEP = '$' + is_book = True + class AlreadyExists(Exception): pass @@ -216,6 +185,18 @@ class Book(models.Model): def isbn_mobi(self): return self.get_extra_info_json().get('isbn_mobi') + def is_accessible_to(self, user): + if not self.preview: + return True + if not user.is_authenticated: + return False + Membership = apps.get_model('club', 'Membership') + if Membership.is_active_for(user): + return True + Funding = apps.get_model('funding', 'Funding') + if Funding.objects.filter(user=user, offer__book=self): + return True + return False def save(self, force_insert=False, force_update=False, **kwargs): from sortify import sortify @@ -268,21 +249,44 @@ class Book(models.Model): sibling = self.parent.children.filter(parent_number__lt=self.parent_number).order_by('-parent_number').first() if sibling is not None: return sibling.get_last_text() + + if self.parent.html_file: + return self.parent + return self.parent.get_prev_text() - def get_next_text(self): + def get_next_text(self, inside=True): + if inside: + child = self.children.order_by('parent_number').first() + if child is not None: + return child.get_first_text() + if not self.parent: return None sibling = self.parent.children.filter(parent_number__gt=self.parent_number).order_by('parent_number').first() if sibling is not None: return sibling.get_first_text() - return self.parent.get_next_text() + return self.parent.get_next_text(inside=False) + + def get_child_audiobook(self): + BookMedia = apps.get_model('catalogue', 'BookMedia') + if not BookMedia.objects.filter(book__ancestor=self).exists(): + return None + for child in self.children.order_by('parent_number').all(): + if child.has_mp3_file(): + return child + child_sub = child.get_child_audiobook() + if child_sub is not None: + return child_sub def get_siblings(self): if not self.parent: return [] return self.parent.children.all().order_by('parent_number') + def get_children(self): + return self.children.all().order_by('parent_number') + @property def name(self): return self.title @@ -356,6 +360,9 @@ class Book(models.Model): def get_daisy(self): return self.get_media("daisy") + def get_audio_epub(self): + return self.get_media("audio.epub") + def media_url(self, format_): media = self.get_media(format_) if media: @@ -407,10 +414,17 @@ class Book(models.Model): has_daisy_file.short_description = 'DAISY' has_daisy_file.boolean = True + def has_audio_epub_file(self): + return self.has_media("audio.epub") + @property def media_daisy(self): return self.get_media('daisy') - + + @property + def media_audio_epub(self): + return self.get_media('audio.epub') + def get_audiobooks(self): ogg_files = {} for m in self.media.filter(type='ogg').order_by().iterator(): @@ -418,6 +432,7 @@ class Book(models.Model): audiobooks = [] projects = set() + total_duration = 0 for mp3 in self.media.filter(type='mp3').iterator(): # ogg files are always from the same project meta = mp3.get_extra_info_json() @@ -427,6 +442,7 @@ class Book(models.Model): project = 'CzytamySłuchając' projects.add((project, meta.get('funded_by', ''))) + total_duration += mp3.duration or 0 media = {'mp3': mp3} @@ -436,7 +452,11 @@ class Book(models.Model): audiobooks.append(media) projects = sorted(projects) - return audiobooks, projects + total_duration = '%d:%02d' % ( + total_duration // 60, + total_duration % 60 + ) + return audiobooks, projects, total_duration def wldocument(self, parse_dublincore=True, inherit=True): from catalogue.import_utils import ORMDocProvider @@ -473,13 +493,14 @@ class Book(models.Model): format_) field_name = "%s_file" % format_ + field = getattr(Book, field_name) books = Book.objects.filter(parent=None).exclude(**{field_name: ""}).exclude(preview=True).exclude(findable=False) paths = [(pretty_file_name(b), getattr(b, field_name).path) for b in books.iterator()] - return create_zip(paths, app_settings.FORMAT_ZIPS[format_]) + return create_zip(paths, field.ZIP) def zip_audiobooks(self, format_): bm = BookMedia.objects.filter(book=self, type=format_) - paths = map(lambda bm: (None, bm.file.path), bm) + paths = map(lambda bm: (bm.get_nice_filename(), bm.file.path), bm) licenses = set() for m in bm: license = constants.LICENSES.get( @@ -510,6 +531,7 @@ class Book(models.Model): # will make problems in conjunction with paid previews def download_pictures(self, remote_gallery_url): + # This is only needed for legacy relative image paths. gallery_path = self.gallery_path() # delete previous files, so we don't include old files in ebooks if os.path.isdir(gallery_path): @@ -521,6 +543,8 @@ class Book(models.Model): makedirs(gallery_path) for ilustr in ilustr_elements: ilustr_src = ilustr.get('src') + if '/' in ilustr_src: + continue ilustr_path = os.path.join(gallery_path, ilustr_src) urlretrieve('%s/%s' % (remote_gallery_url, ilustr_src), ilustr_path) @@ -531,6 +555,20 @@ class Book(models.Model): else: self.abstract = '' + def load_toc(self): + self.toc = '' + if self.html_file: + parser = html.HTMLParser(encoding='utf-8') + tree = html.parse(self.html_file.path, parser=parser) + toc = tree.find('//div[@id="toc"]/ol') + if toc is None or not len(toc): + return + html_link = reverse('book_text', args=[self.slug]) + for a in toc.findall('.//a'): + a.attrib['href'] = html_link + a.attrib['href'] + self.toc = html.tostring(toc, encoding='unicode') + # div#toc + @classmethod def from_xml_file(cls, xml_file, **kwargs): from django.core.files import File @@ -550,6 +588,8 @@ class Book(models.Model): @classmethod 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, days=0, findable=True): + from catalogue import tasks + if dont_build is None: dont_build = set() dont_build = set.union(set(dont_build), set(app_settings.DONT_BUILD)) @@ -596,6 +636,7 @@ class Book(models.Model): book.common_slug = book.slug book.extra_info = json.dumps(book_info.to_dict()) book.load_abstract() + book.load_toc() book.save() meta_tags = Tag.tags_from_info(book_info) @@ -638,6 +679,7 @@ class Book(models.Model): # Build cover. if 'cover' not in dont_build: book.cover.build_delay() + book.cover_clean.build_delay() book.cover_thumb.build_delay() book.cover_api_thumb.build_delay() book.simple_cover.build_delay() @@ -680,10 +722,12 @@ class Book(models.Model): for master in root.iter(): if master.tag in master_tags: return master - + def update_references(self): from references.models import Entity, Reference master = self.get_master() + if master is None: + master = [] found = set() for i, sec in enumerate(master): for ref in sec.findall('.//ref'): @@ -702,7 +746,7 @@ class Book(models.Model): entity.populate() entity.save() Reference.objects.filter(book=self).exclude(entity__uri__in=found).delete() - + @property def references(self): return self.reference_set.all().select_related('entity') @@ -740,6 +784,15 @@ class Book(models.Model): b.ancestor.add(parent) parent = parent.parent + @property + def ancestors(self): + if self.parent: + for anc in self.parent.ancestors: + yield anc + yield self.parent + else: + return [] + def clear_cache(self): clear_cached_renders(self.mini_box) clear_cached_renders(self.mini_box_nolink) @@ -766,16 +819,18 @@ class Book(models.Model): def related_themes(self): return Tag.objects.usage_for_queryset( Fragment.objects.filter(models.Q(book=self) | models.Q(book__ancestor=self)), - counts=True).filter(category='theme') + counts=True).filter(category='theme').order_by('-count') def parent_cover_changed(self): """Called when parent book's cover image is changed.""" if not self.cover_info(inherit=False): if 'cover' not in app_settings.DONT_BUILD: self.cover.build_delay() + self.cover_clean.build_delay() self.cover_thumb.build_delay() self.cover_api_thumb.build_delay() self.simple_cover.build_delay() + self.cover_ebookpoint.build_delay() for format_ in constants.EBOOK_FORMATS_WITH_COVERS: if format_ not in app_settings.DONT_BUILD: getattr(self, '%s_file' % format_).build_delay() @@ -885,16 +940,27 @@ class Book(models.Model): else: return None, None - def choose_fragment(self): + def choose_fragments(self, number): fragments = self.fragments.order_by() fragments_count = fragments.count() if not fragments_count and self.children.exists(): fragments = Fragment.objects.filter(book__ancestor=self).order_by() fragments_count = fragments.count() if fragments_count: - return fragments[randint(0, fragments_count - 1)] + if fragments_count > number: + offset = randint(0, fragments_count - number) + else: + offset = 0 + return fragments[offset : offset + number] elif self.parent: - return self.parent.choose_fragment() + return self.parent.choose_fragments(number) + else: + return [] + + def choose_fragment(self): + fragments = self.choose_fragments(1) + if fragments: + return fragments[0] else: return None @@ -950,28 +1016,6 @@ class Book(models.Model): 'no_link': True, } -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) - if format_ != 'xml': - models.CharField(max_length=255, editable=False, default='', db_index=True).contribute_to_class(Book, f'{field_name}_etag') - - -add_file_fields() - class BookPopularity(models.Model): book = models.OneToOneField(Book, models.CASCADE, related_name='popularity')