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One query to get book for book view

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This commit is contained in:
Mouse Reeve 2021-09-27 11:23:55 -07:00
parent 35131262ff
commit cb089ed817
1 changed files with 10 additions and 12 deletions
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22
bookwyrm/views/books.py
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@ -38,18 +38,16 @@ class Book(View):
user_statuses = user_statuses if request.user.is_authenticated else False
try:
book = models.Edition.viewer_aware_objects(request.user).filter(id=book_id)
except models.Edition.DoesNotExist:
book = (
models.Edition.viewer_aware_objects(request.user)
.filter(
parent_work__id=book_id,
)
.order_by("-edition_rank")
)
book = book.select_related("parent_work").prefetch_related("authors")
book = book.first()
# it's safe to use this OR because edition and work and subclasses of the same
# table, so they never have clashing IDs
book = (
models.Edition.viewer_aware_objects(request.user)
.filter(Q(id=book_id) | Q(parent_work__id=book_id))
.order_by("-edition_rank")
.select_related("parent_work")
.prefetch_related("authors")
.first()
)
if not book or not book.parent_work:
raise Http404