CHC API add search studies by tag

healthcare/dicom/README.md

@@ -61,7 +61,10 @@ Run the following command to install the library dependencies for Node.js:
         node dicomWebRetrieveRendered.js <projectId> <cloudRegion>    Handles the GET requests specified in the DICOMweb
         <datasetId> <dicomStoreId> <studyUid> <seriesUid>             standard.
         <instanceUid>                       
-
+
+        node dicomWebSearchStudies.js <projectId> <cloudRegion>       Searches studies using DICOM tags.
+        <datasetId> <dicomStoreId>
+
         node dicomWebDeleteStudy.js <projectId> <cloudRegion>         Handles DELETE requests.
         <datasetId> <dicomStoreId>  <studyUid>       
 

healthcare/dicom/dicomWebSearchStudies.js

@@ -0,0 +1,67 @@
+/**
+ * Copyright 2019, Google, LLC
+ * Licensed under the Apache License, Version 2.0 (the `License`);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an `AS IS` BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* eslint-disable no-warning-comments */
+
+'use strict';
+
+const main = (
+  projectId = process.env.GCLOUD_PROJECT,
+  cloudRegion = 'us-central1',
+  datasetId,
+  dicomStoreId
+) => {
+  // [START healthcare_dicomweb_search_studies]
+  const {google} = require('googleapis');
+  const healthcare = google.healthcare('v1beta1');
+
+  const dicomWebSearchStudies = async () => {
+    const auth = await google.auth.getClient({
+      scopes: ['https://www.googleapis.com/auth/cloud-platform'],
+    });
+
+    google.options({
+      auth,
+      // Refine your search by appending DICOM tags to the
+      // request in the form of query parameters. This sample
+      // searches for studies containing a patient's name.
+      params: {PatientName: 'Sally Zhang'},
+      headers: {Accept: 'application/dicom+json'},
+    });
+
+    // TODO(developer): uncomment these lines before running the sample
+    // const cloudRegion = 'us-central1';
+    // const projectId = 'adjective-noun-123';
+    // const datasetId = 'my-dataset';
+    // const dicomStoreId = 'my-dicom-store';
+    const parent = `projects/${projectId}/locations/${cloudRegion}/datasets/${datasetId}/dicomStores/${dicomStoreId}`;
+    const dicomWebPath = `studies`;
+    const request = {parent, dicomWebPath};
+
+    const studies = await healthcare.projects.locations.datasets.dicomStores.searchForStudies(
+      request
+    );
+    console.log(studies);
+
+    console.log(`Found ${studies.data.length} studies:`);
+    console.log(JSON.stringify(studies.data));
+  };
+
+  dicomWebSearchStudies();
+  // [END healthcare_dicomweb_search_studies]
+};
+
+// node dicomWebSearchStudies.js <projectId> <cloudRegion> <datasetId> <dicomStoreId>
+main(...process.argv.slice(2));

healthcare/dicom/system-test/dicomweb.test.js

@@ -103,6 +103,14 @@ it('should retrieve a DICOM rendered PNG image', async () => {
   assert.ok(output.includes('Retrieved rendered image'));
 });
 
+it('should search for DICOM studies', async () => {
+  const output = await tools.runAsync(
+    `node dicomWebSearchStudies.js ${projectId} ${cloudRegion} ${datasetId} ${dicomStoreId}`,
+    cwd
+  );
+  assert.ok(output.includes('Found'));
+});
+
 it('should delete a DICOM study', async () => {
   const output = await tools.runAsync(
     `node dicomWebDeleteStudy.js ${projectId} ${cloudRegion} ${datasetId} ${dicomStoreId} ${studyUid}`,