Use nextcloud files instead of (old) file objects

appinfo/routes.php

@@ -54,6 +54,7 @@
 		['name' => 'objects#revert', 'url' => 'api/objects/{objectType}/{id}/revert', 'verb' => 'POST'],
 		['name' => 'objects#getAuditTrail', 'url' => 'api/objects/{objectType}/{id}/audit', 'verb' => 'GET'],
 		['name' => 'objects#getRelations', 'url' => 'api/objects/{objectType}/{id}/relations', 'verb' => 'GET'],
-		['name' => 'objects#getUses', 'url' => 'api/objects/{objectType}/{id}/uses', 'verb' => 'GET']
+		['name' => 'objects#getUses', 'url' => 'api/objects/{objectType}/{id}/uses', 'verb' => 'GET'],
+		['name' => 'objects#getFiles', 'url' => 'api/objects/{objectType}/{id}/files', 'verb' => 'GET']
 	]
 ];

lib/Controller/ObjectsController.php

@@ -234,6 +234,28 @@ public function getUses(string $objectType, string $id): JSONResponse
         return new JSONResponse($uses);
     }
 
+
+    /**
+     * Get all files associated with a specific object
+     *
+     * @NoAdminRequired
+     * @NoCSRFRequired
+     *
+     * @return JSONResponse
+     */
+    public function getFiles(string $objectType, string $id): JSONResponse
+    {
+        try {
+            $files = $this->objectService->getFiles($objectType, $id);
+            return new JSONResponse($files);
+        } catch (Exception $e) {
+            return new JSONResponse(
+                ['error' => $e->getMessage()],
+                400
+            );
+        }
+    }
+
     /**
      * Lock an object to prevent concurrent modifications
      *