From 93e35659c45390b9491954ddd1f6610e1076aabf Mon Sep 17 00:00:00 2001
From: Fabian Steeg <steeg@hbz-nrw.de>
Date: Thu, 16 Nov 2023 11:09:15 +0100
Subject: [PATCH] Support access by `rppdId`, redirect to `gndIdentifier`
 (RPB-108)

---
 app/controllers/HomeController.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/controllers/HomeController.java b/app/controllers/HomeController.java
index ff7af32..4fdeebf 100644
--- a/app/controllers/HomeController.java
+++ b/app/controllers/HomeController.java
@@ -198,6 +198,10 @@ public Result authority(String id, String format) {
 		}
 		String jsonLd = getAuthorityResource(id);
 		if (jsonLd == null) {
+			SearchHits hitsById = index.query("rppdId:" + id, "", "", 0, 1).getHits();
+			if (hitsById.getTotalHits() > 0) {
+				return movedPermanently(hitsById.getAt(0).getSource().get("gndIdentifier").toString());
+			}
 			return responseFormat == Format.HTML ? notFound(views.html.details.render(null, allHits()))
 					: notFound("Not found: " + id);
 		}