From 6e3dc1e9d9a5ee225c47b7b49fc24fd53a38cc92 Mon Sep 17 00:00:00 2001
From: Ouwen Huang <ouwen.huang@duke.edu>
Date: Thu, 8 Sep 2022 22:18:17 -0400
Subject: [PATCH] fix: enabled multiple studies in local mode (#2889)

---
 extensions/default/src/DicomLocalDataSource/index.js | 2 +-
 platform/viewer/src/routes/Local/Local.tsx           | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/extensions/default/src/DicomLocalDataSource/index.js b/extensions/default/src/DicomLocalDataSource/index.js
index 54f40b400..faa2b95ae 100644
--- a/extensions/default/src/DicomLocalDataSource/index.js
+++ b/extensions/default/src/DicomLocalDataSource/index.js
@@ -25,7 +25,7 @@ function createDicomLocalApi(dicomLocalConfig) {
   const implementation = {
     initialize: ({ params, query }) => {
       const { StudyInstanceUIDs: paramsStudyInstanceUIDs } = params;
-      const queryStudyInstanceUIDs = query.get('StudyInstanceUIDs');
+      const queryStudyInstanceUIDs = query.getAll('StudyInstanceUIDs');
 
       const StudyInstanceUIDs =
         queryStudyInstanceUIDs || paramsStudyInstanceUIDs;
diff --git a/platform/viewer/src/routes/Local/Local.tsx b/platform/viewer/src/routes/Local/Local.tsx
index 9129c54e5..aba010614 100644
--- a/platform/viewer/src/routes/Local/Local.tsx
+++ b/platform/viewer/src/routes/Local/Local.tsx
@@ -62,7 +62,9 @@ function Local() {
   const onDrop = async acceptedFiles => {
     const studies = await filesToStudies(acceptedFiles, dataSource);
     // Todo: navigate to work list and let user select a mode
-    navigate(`/viewer/dicomlocal?StudyInstanceUIDs=${studies[0]}`);
+    let query = new URLSearchParams();
+    studies.forEach(id=> query.append('StudyInstanceUIDs', id))
+    navigate(`/viewer/dicomlocal?${decodeURIComponent(query.toString())}`);
   };
 
   // Set body style