X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/7e6d14043e3e2dce8e3fdcef0b0fc649680b07b3..f906193db2ec44590f57beae2e8ee2df76117b7b:/apps/catalogue/models.py
diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 2ca78b01e..2b33964c2 100644
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -2,6 +2,7 @@
# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+from collections import namedtuple
from datetime import datetime
from django.db import models
@@ -40,13 +41,6 @@ TAG_CATEGORIES = (
('book', _('book')),
)
-MEDIA_FORMATS = (
- ('odt', _('ODT file')),
- ('mp3', _('MP3 file')),
- ('ogg', _('OGG file')),
- ('daisy', _('DAISY file')),
-)
-
# not quite, but Django wants you to set a timeout
CACHE_FOREVER = 2419200 # 28 days
@@ -174,16 +168,39 @@ class Tag(TagBase):
def url_chunk(self):
return '/'.join((Tag.categories_dict[self.category], self.slug))
+ @staticmethod
+ def tags_from_info(info):
+ from slughifi import slughifi
+ from sortify import sortify
+ meta_tags = []
+ categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch'))
+ for field_name, category in categories:
+ try:
+ tag_names = getattr(info, field_name)
+ except:
+ tag_names = [getattr(info, category)]
+ for tag_name in tag_names:
+ tag_sort_key = tag_name
+ if category == 'author':
+ tag_sort_key = tag_name.last_name
+ tag_name = ' '.join(tag_name.first_names) + ' ' + tag_name.last_name
+ tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category)
+ if created:
+ tag.name = tag_name
+ tag.sort_key = sortify(tag_sort_key.lower())
+ tag.save()
+ meta_tags.append(tag)
+ return meta_tags
+
+
def get_dynamic_path(media, filename, ext=None, maxlen=100):
from slughifi import slughifi
# how to put related book's slug here?
if not ext:
- if media.type == 'daisy':
- ext = 'daisy.zip'
- else:
- ext = media.type
+ # BookMedia case
+ ext = media.formats[media.type].ext
if media is None or not media.name:
name = slughifi(filename.split(".")[0])
else:
@@ -202,8 +219,10 @@ def get_customized_pdf_path(book, customizations):
"""
customizations.sort()
h = hash(tuple(customizations))
+
pdf_name = '%s-custom-%s' % (book.fileid(), h)
- pdf_file = models.get_dynamic_path(None, pdf_name, ext='pdf')
+ pdf_file = get_dynamic_path(None, pdf_name, ext='pdf')
+
return pdf_file
@@ -218,7 +237,16 @@ def get_existing_customized_pdf(book):
class BookMedia(models.Model):
- type = models.CharField(_('type'), choices=MEDIA_FORMATS, max_length="100")
+ FileFormat = namedtuple("FileFormat", "name ext")
+ formats = SortedDict([
+ ('mp3', FileFormat(name='MP3', ext='mp3')),
+ ('ogg', FileFormat(name='Ogg Vorbis', ext='ogg')),
+ ('daisy', FileFormat(name='DAISY', ext='daisy.zip')),
+ ])
+ format_choices = [(k, _('%s file') % t.name)
+ for k, t in formats.items()]
+
+ type = models.CharField(_('type'), choices=format_choices, max_length="100")
name = models.CharField(_('name'), max_length="100")
file = OverwritingFileField(_('file'), upload_to=book_upload_path())
uploaded_at = models.DateTimeField(_('creation date'), auto_now_add=True, editable=False)
@@ -331,8 +359,9 @@ class Book(models.Model):
wiki_link = models.CharField(blank=True, max_length=240)
# files generated during publication
- file_types = ['epub', 'html', 'mobi', 'pdf', 'txt', 'xml']
-
+ ebook_formats = ['pdf', 'epub', 'mobi', 'txt']
+ formats = ebook_formats + ['html', 'xml']
+
parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
objects = models.Manager()
tagged = managers.ModelTaggedItemManager(Tag)
@@ -429,14 +458,14 @@ class Book(models.Model):
return book_tag
def has_media(self, type):
- if type in Book.file_types:
+ if type in Book.formats:
return bool(getattr(self, "%s_file" % type))
else:
return self.media.filter(type=type).exists()
def get_media(self, type):
if self.has_media(type):
- if type in Book.file_types:
+ if type in Book.formats:
return getattr(self, "%s_file" % type)
else:
return self.media.filter(type=type)
@@ -479,15 +508,13 @@ class Book(models.Model):
formats = []
# files generated during publication
if self.has_media("html"):
- formats.append(u'%s' % (reverse('book_text', [self.fileid()]), _('Read online')))
- if self.has_media("pdf"):
- formats.append(u'PDF' % self.get_media('pdf').url)
- if self.has_media("mobi"):
- formats.append(u'MOBI' % self.get_media('mobi').url)
- if self.root_ancestor.has_media("epub"):
- formats.append(u'EPUB' % self.root_ancestor.get_media('epub').url)
- if self.has_media("txt"):
- formats.append(u'TXT' % self.get_media('txt').url)
+ formats.append(u'%s' % (reverse('book_text', args=[self.fileid()]), _('Read online')))
+ for ebook_format in self.ebook_formats:
+ if self.has_media(ebook_format):
+ formats.append(u'%s' % (
+ self.get_media(ebook_format).url,
+ ebook_format.upper()
+ ))
# other files
for m in self.media.order_by('type'):
formats.append(u'%s' % (m.file.url, m.type.upper()))
@@ -501,17 +528,22 @@ class Book(models.Model):
cache.set(cache_key, short_html, CACHE_FOREVER)
return mark_safe(short_html)
- @property
- def root_ancestor(self):
- """ returns the oldest ancestor """
+ def mini_box(self):
+ if self.id:
+ cache_key = "Book.mini_boxs/%d" % (self.id, )
+ short_html = cache.get(cache_key)
+ else:
+ short_html = None
+
+ if short_html is None:
+ authors = self.tags.filter(category='author')
- if not hasattr(self, '_root_ancestor'):
- book = self
- while book.parent:
- book = book.parent
- self._root_ancestor = book
- return self._root_ancestor
+ short_html = unicode(render_to_string('catalogue/book_mini_box.html',
+ {'book': self, 'authors': authors, 'STATIC_URL': settings.STATIC_URL}))
+ if self.id:
+ cache.set(cache_key, short_html, CACHE_FOREVER)
+ return mark_safe(short_html)
def has_description(self):
return len(self.description) > 0
@@ -519,11 +551,6 @@ class Book(models.Model):
has_description.boolean = True
# ugly ugly ugly
- def has_odt_file(self):
- return bool(self.has_media("odt"))
- has_odt_file.short_description = 'ODT'
- has_odt_file.boolean = True
-
def has_mp3_file(self):
return bool(self.has_media("mp3"))
has_mp3_file.short_description = 'MP3'
@@ -565,16 +592,17 @@ class Book(models.Model):
current_self.pdf_file.save('%s.pdf' % self.fileid(),
File(open(pdf.get_filename())))
self.pdf_file = current_self.pdf_file
+
+ # remove cached downloadables
+ remove_zip(settings.ALL_PDF_ZIP)
+
+ for customized_pdf in get_existing_customized_pdf(self):
+ unlink(customized_pdf)
else:
print "saving %s" % file_name
print "to: %s" % DefaultStorage().path(file_name)
DefaultStorage().save(file_name, File(open(pdf.get_filename())))
- # remove cached downloadables
- remove_zip(settings.ALL_PDF_ZIP)
- for customized_pdf in get_existing_customized_pdf(self):
- unlink(customized_pdf)
-
def build_mobi(self):
""" (Re)builds the MOBI file.
@@ -589,34 +617,15 @@ class Book(models.Model):
# remove zip with all mobi files
remove_zip(settings.ALL_MOBI_ZIP)
- def build_epub(self, remove_descendants=True):
- """ (Re)builds the epub file.
- If book has a parent, does nothing.
- Unless remove_descendants is False, descendants' epubs are removed.
- """
+ def build_epub(self):
+ """(Re)builds the epub file."""
from django.core.files import File
from catalogue.utils import remove_zip
- if self.parent:
- # don't need an epub
- return
-
epub = self.wldocument().as_epub()
- try:
- epub.transform(ORMDocProvider(self), self.fileid(), output_file=epub_file)
- self.epub_file.save('%s.epub' % self.fileid(), File(open(epub.get_filename())))
- except NoDublinCore:
- pass
-
- book_descendants = list(self.children.all())
- while len(book_descendants) > 0:
- child_book = book_descendants.pop(0)
- if remove_descendants and child_book.has_epub_file():
- child_book.epub_file.delete()
- # save anyway, to refresh short_html
- child_book.save()
- book_descendants += list(child_book.children.all())
+ self.epub_file.save('%s.epub' % self.fileid(),
+ File(open(epub.get_filename())))
# remove zip package with all epub files
remove_zip(settings.ALL_EPUB_ZIP)
@@ -728,7 +737,6 @@ class Book(models.Model):
def from_text_and_meta(cls, raw_file, book_info, overwrite=False,
build_epub=True, build_txt=True, build_pdf=True, build_mobi=True):
import re
- from slughifi import slughifi
from sortify import sortify
# check for parts before we do anything
@@ -763,24 +771,7 @@ class Book(models.Model):
book.set_extra_info_value(book_info.to_dict())
book.save()
- meta_tags = []
- categories = (('kinds', 'kind'), ('genres', 'genre'), ('authors', 'author'), ('epochs', 'epoch'))
- for field_name, category in categories:
- try:
- tag_names = getattr(book_info, field_name)
- except:
- tag_names = [getattr(book_info, category)]
- for tag_name in tag_names:
- tag_sort_key = tag_name
- if category == 'author':
- tag_sort_key = tag_name.last_name
- tag_name = ' '.join(tag_name.first_names) + ' ' + tag_name.last_name
- tag, created = Tag.objects.get_or_create(slug=slughifi(tag_name), category=category)
- if created:
- tag.name = tag_name
- tag.sort_key = sortify(tag_sort_key.lower())
- tag.save()
- meta_tags.append(tag)
+ meta_tags = Tag.tags_from_info(book_info)
book.tags = set(meta_tags + book_shelves)
@@ -802,17 +793,16 @@ class Book(models.Model):
book.build_txt()
if not settings.NO_BUILD_EPUB and build_epub:
- book.root_ancestor.build_epub()
+ book.build_epub()
if not settings.NO_BUILD_PDF and build_pdf:
- book.root_ancestor.build_pdf()
+ book.build_pdf()
if not settings.NO_BUILD_MOBI and build_mobi:
book.build_mobi()
book_descendants = list(book.children.all())
# add l-tag to descendants and their fragments
- # delete unnecessary EPUB files
while len(book_descendants) > 0:
child_book = book_descendants.pop(0)
child_book.tags = list(child_book.tags) + [book_tag]
@@ -982,7 +972,7 @@ def _has_factory(ftype):
# add the file fields
-for t in Book.file_types:
+for t in Book.formats:
field_name = "%s_file" % t
models.FileField(_("%s file" % t.upper()),
upload_to=book_upload_path(t),