feat(DataSource): Allow for dynamic data source configuration and creation (#3543)

extensions/default/src/DicomWebProxyDataSource/index.js

@@ -18,15 +18,6 @@ function createDicomWebProxyApi(
 
   const implementation = {
     initialize: async ({ params, query }) => {
-      let studyInstanceUIDs = [];
-
-      // there seem to be a couple of variations of the case for this parameter
-      const queryStudyInstanceUIDs =
-        query.get('studyInstanceUIDs') || query.get('studyInstanceUids');
-      if (!queryStudyInstanceUIDs) {
-        throw new Error(`No studyInstanceUids in request for '${name}'`);
-      }
-
       const url = query.get('url');
 
       if (!url) {
@@ -39,12 +30,11 @@ function createDicomWebProxyApi(
         }
 
         dicomWebDelegate = createDicomWebApi(
-          data.servers.dicomWeb[0],
+          data.servers.dicomWeb[0].configuration,
           UserAuthenticationService
         );
-        studyInstanceUIDs = queryStudyInstanceUIDs.split(';');
+        dicomWebDelegate.initialize({ params, query });
       }
-      return studyInstanceUIDs;
     },
     query: {
       studies: {
@@ -77,6 +67,18 @@ function createDicomWebProxyApi(
       dicomWebDelegate.getImageIdsForDisplaySet(...args),
     getImageIdsForInstance: (...args) =>
       dicomWebDelegate.getImageIdsForInstance(...args),
+    getStudyInstanceUIDs({ params, query }) {
+      let studyInstanceUIDs = [];
+
+      // there seem to be a couple of variations of the case for this parameter
+      const queryStudyInstanceUIDs =
+        query.get('studyInstanceUIDs') || query.get('studyInstanceUids');
+      if (!queryStudyInstanceUIDs) {
+        throw new Error(`No studyInstanceUids in request for '${name}'`);
+      }
+      studyInstanceUIDs = queryStudyInstanceUIDs.split(';');
+      return studyInstanceUIDs;
+    },
   };
   return IWebApiDataSource.create(implementation);
 }