Moving loadStudy logic from Hanging Protocols to StudyMetadataSource

Packages/ohif-measurements/client/lib/hangingProtocolCustomizations.js

@@ -1,14 +1,21 @@
 import { Meteor } from 'meteor/meteor';
 import { Template } from 'meteor/templating';
+import { Viewerbase } from 'meteor/ohif:viewerbase';
 
+// TODO: [LT-refactor] move this to ohif:hanging-protocols package
+/**
+ * Get a timepoint type for a given study metadata
+ * @param  {StudyMetadata} study StudyMetadata instance
+ * @return {String|undefined}    Timepoint type if found or undefined if not found or any error/missing information
+ */
 const getTimepointType = study => {
-    const instance = Template.instance();
-    const timepointApi = instance.timepointApi || instance.data.timepointApi;
-    if (!timepointApi) {
+    const timepointApi = Template.instance().timepointApi;
+
+    if (!timepointApi || !(study instanceof Viewerbase.metadata.StudyMetadata)) {
         return;
     }
 
-    const timepoint = timepointApi.study(study.studyInstanceUid)[0];
+    const timepoint = timepointApi.study(study.getStudyInstanceUID())[0];
     if (!timepoint) {
         return;
     }