Merge pull request DDMAL#1656 from dchiller/i1655-optimize-json-cid

fix(api): optimize json-cid view queries
lucasmarchd01 · Oct 11, 2024 · f01050a · f01050a
2 parents 1dfe503 + 7a3eeea
commit f01050a
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/django/cantusdb_project/main_app/views/api.py b/django/cantusdb_project/main_app/views/api.py
@@ -448,7 +448,13 @@ def json_cid_export(request, cantus_id: str) -> JsonResponse:
     """
 
     # the API in OldCantus appears to only return chants, and no sequences.
-    chants = Chant.objects.filter(cantus_id=cantus_id).filter(source__published=True)
+    chants = (
+        Chant.objects.select_related(
+            "source", "source__holding_institution", "feast", "genre", "service"
+        )
+        .filter(cantus_id=cantus_id)
+        .filter(source__published=True)
+    )
     chant_dicts = [{"chant": build_json_cid_dictionary(c, request)} for c in chants]
     response = {"chants": chant_dicts}
     return JsonResponse(response)