Creating ohif:metadata package with metadata classes and adding it to the viewers

Packages/ohif-metadata/client/OHIFStudyMetadata.js

@@ -0,0 +1,25 @@
+import { Viewerbase } from 'meteor/ohif:viewerbase';
+import { OHIFSeriesMetadata } from './OHIFSeriesMetadata';
+
+export class OHIFStudyMetadata extends Viewerbase.metadata.StudyMetadata {
+
+    /**
+     * @param {Object} Study object.
+     */
+    constructor(data) {
+        super(data);
+        this.init();
+    }
+
+    init() {
+        const data = this.getData();
+
+        // set protected property...
+        this._studyInstanceUID = data.studyInstanceUid;
+        // populate internal list of series...
+        data.seriesList.forEach(series => {
+            this.addSeries(new OHIFSeriesMetadata(series));
+        });
+    }
+
+}