feat(dicomJSON): Add Loading Other Display Sets and JSON Metadata Generation script (#3777)

extensions/default/src/DicomJSONDataSource/index.js

@@ -25,6 +25,23 @@ let _store = {
   // }
 };
 
+function wrapSequences(obj) {
+  return Object.keys(obj).reduce(
+    (acc, key) => {
+      if (typeof obj[key] === 'object' && obj[key] !== null) {
+        // Recursively wrap sequences for nested objects
+        acc[key] = wrapSequences(obj[key]);
+      } else {
+        acc[key] = obj[key];
+      }
+      if (key.endsWith('Sequence')) {
+        acc[key] = OHIF.utils.addAccessors(acc[key]);
+      }
+      return acc;
+    },
+    Array.isArray(obj) ? [] : {}
+  );
+}
 const getMetaDataByURL = url => {
   return _store.urls.find(metaData => metaData.url === url);
 };
@@ -190,8 +207,14 @@ function createDicomJSONApi(dicomJsonConfig) {
           const numberOfSeries = series.length;
           series.forEach((series, index) => {
             const instances = series.instances.map(instance => {
+              // for instance.metadata if the key ends with sequence then
+              // we need to add a proxy to the first item in the sequence
+              // so that we can access the value of the sequence
+              // by using sequenceName.value
+              const modifiedMetadata = wrapSequences(instance.metadata);
+
               const obj = {
-                ...instance.metadata,
+                ...modifiedMetadata,
                 url: instance.url,
                 imageId: instance.url,
                 ...series,