Add basic view logic for testing

bookwyrm/views.py

@@ -562,6 +562,9 @@ def book_page(request, book_id):
             book=book,
         ).order_by('start_date')
 
+        for readthrough in readthroughs:
+            readthrough.progress_updates = readthrough.progressupdate_set.all().order_by('date')
+
     rating = reviews.aggregate(Avg('rating'))
     tags = models.Tag.objects.filter(
         book=book