+ status = request.POST.get('status')
+ if status:
+ books_affected = set()
+ for c in chunks:
+ if status == 'publish':
+ c.head.publishable = True
+ c.head.save()
+ elif status == 'unpublish':
+ c.head.publishable = False
+ c.head.save()
+ c.touch() # cache
+ books_affected.add(c.book)
+ for b in books_affected:
+ b.touch() # cache
+