+
+
+MIME = {
+ 'html': 'text/html',
+ 'pdf': 'application/pdf',
+ 'txt': 'text/plain',
+ 'epub': 'application/epub+zip',
+ 'mobi': 'application/x-mobipocket-ebook',
+}
+
+
+@permission_required('isbn.add_isbn')
+def generate(request, document_id):
+ document = get_object_or_404(Book, id=document_id)
+ book = document.catalogue_book
+ chunk = document[0]
+ head = chunk.head
+ orig_xml = head.materialize()
+ tree = etree.fromstring(orig_xml)
+ rdfdesc = tree.find('.//' + RDFNS('Description'))
+
+ for form, value in Isbn.formats_from_document(document):
+ if value: continue
+ isbn = Isbn.get_for_book(book, form)
+
+ etree.SubElement(rdfdesc, DCNS('relation.hasFormat'), id="mobi").text = f"https://wolnelektury.pl/media/book/{form}mobi/{book.slug}.{form}"
+ etree.SubElement(
+ rdfdesc, 'meta', refines=f'#{form}', id=f'{form}-id', property='dcterms:identifier'
+ ).text = 'ISBN-' + isbn.get_code(True)
+ etree.SubElement(rdfdesc, 'meta', refines=f'#{form}-id', property='identifier-type').text = 'ISBN'
+ etree.SubElement(rdfdesc, 'meta', refines=f'#{form}', property='dcterms:format').text = MIME[form]
+
+ xml = etree.tostring(tree, encoding='unicode')
+ chunk.commit(
+ text=xml,
+ author=request.user,
+ parent=head,
+ description='Auto ISBN',
+ publishable=head.publishable
+ )
+
+ return redirect(document.get_absolute_url())