IDC-1532 multiple series search google (#2026)

* Multiple series search for google cloud adapter.

* Revert IDC config.

* fix: 🐛 Series filtering on multiple series for google

* Revert changes to default config.

* Address reviewers comments.

* Fixed spelling mistakes

platform/core/src/studies/retrieveStudyMetadata.js

@@ -11,9 +11,16 @@ const StudyMetaDataPromises = new Map();
  * @param {string} StudyInstanceUID The UID of the Study to be retrieved
  * @param {Object} [filters] - Object containing filters to be applied on retrieve metadata process
  * @param {string} [filter.seriesInstanceUID] - series instance uid to filter results against
+ * @param {boolean} [separateSeriesInstanceUIDFilters = false] - If true, split filtered metadata calls into multiple calls,
+ * as some DICOMWeb implementations only support single filters.
  * @returns {Promise} that will be resolved with the metadata or rejected with the error
  */
-export function retrieveStudyMetadata(server, StudyInstanceUID, filters) {
+export function retrieveStudyMetadata(
+  server,
+  StudyInstanceUID,
+  filters,
+  separateSeriesInstanceUIDFilters = false
+) {
   // @TODO: Whenever a study metadata request has failed, its related promise will be rejected once and for all
   // and further requests for that metadata will always fail. On failure, we probably need to remove the
   // corresponding promise from the "StudyMetaDataPromises" map...
@@ -33,11 +40,29 @@ export function retrieveStudyMetadata(server, StudyInstanceUID, filters) {
   }
 
   // Create a promise to handle the data retrieval
-  const promise = new Promise((resolve, reject) => {
-    RetrieveMetadata(server, StudyInstanceUID, filters).then(function(data) {
-      resolve(data);
-    }, reject);
-  });
+  let promise;
+
+  if (
+    filters &&
+    filters.seriesInstanceUID &&
+    separateSeriesInstanceUIDFilters
+  ) {
+    promise = __separateSeriesRequestToAggregatePromiseateSeriesRequestToAggregatePromise(
+      server,
+      StudyInstanceUID,
+      filters
+    );
+  } else {
+    promise = RetrieveMetadata(server, StudyInstanceUID, filters);
+
+    /*
+    promise = new Promise((resolve, reject) => {
+      RetrieveMetadata(server, StudyInstanceUID, filters).then(function(data) {
+        resolve(data);
+      }, reject);
+    });
+    */
+  }
 
   // Store the promise in cache
   StudyMetaDataPromises.set(StudyInstanceUID, promise);
@@ -45,6 +70,49 @@ export function retrieveStudyMetadata(server, StudyInstanceUID, filters) {
   return promise;
 }
 
+/**
+ * Splits up seriesInstanceUID filters to multiple calls for platforms
+ * @param {Object} server Object with server configuration parameters
+ * @param {string} StudyInstanceUID The UID of the Study to be retrieved
+ * @param {Object} filters - Object containing filters to be applied on retrieve metadata process
+ */
+function __separateSeriesRequestToAggregatePromiseateSeriesRequestToAggregatePromise(
+  server,
+  StudyInstanceUID,
+  filters
+) {
+  const { seriesInstanceUID } = filters;
+  const seriesInstanceUIDs = seriesInstanceUID.split(',');
+
+  return new Promise((resolve, reject) => {
+    const promises = [];
+
+    seriesInstanceUIDs.forEach(uid => {
+      const seriesSpecificFilters = Object.assign({}, filters, {
+        seriesInstanceUID: uid,
+      });
+
+      promises.push(
+        RetrieveMetadata(server, StudyInstanceUID, seriesSpecificFilters)
+      );
+    });
+
+    Promise.all(promises).then(results => {
+      const data = results[0];
+
+      let series = [];
+
+      results.forEach(result => {
+        series = [...series, ...result.series];
+      });
+
+      data.series = series;
+
+      resolve(data);
+    }, reject);
+  });
+}
+
 /**
  * Delete the cached study metadata retrieval promise to ensure that the browser will
  * re-retrieve the study metadata when it is next requested