Document model appears to fetch mostly properly

Can fetch Documents, and then get pages triggers page retrieval and
related field retrieval.

views/api.py

@@ -66,7 +66,9 @@ def document(request):
 
 def document_detail(request, id):
     document = models.Document.objects.get(pk=id)
+    pages = models.Page.objects.filter(document__pk=document.id).values('id','page_num')
     context = extract_fields(document)
+    context['page_ids'] = [p['id'] for p in pages]
     return json_response(context)