common_slug=book.common_slug).exclude(pk=book.pk)[:limit])
limit -= len(related)
if limit:
- tagged = Book.tagged.with_any(book.tags).exclude(pk=book.pk)
- book_tag = book.book_tag()
- for rel_book in tagged:
- if book_tag in rel_book.tags.all():
- continue
- related += [rel_book]
- limit -= 1
- if not limit:
- break
-
+ related += Book.tagged.related_to(book,
+ Book.objects.exclude(common_slug=book.common_slug),
+ ignore_by_tag=book.book_tag())[:limit]
return {
'books': related,
}