Build WADO logic to fetch + build displaysets + generate imageIds based on prefs.

extensions/default/src/DicomWebDataSource/utils/getImageId.js

@@ -0,0 +1,51 @@
+import getWADORSImageId from './getWADORSImageId';
+
+function buildInstanceWadoUrl(config, instance) {
+  const { StudyInstanceUID, SeriesInstanceUID, SOPInstanceUID } = instance;
+  const params = [];
+
+  params.push('requestType=WADO');
+  params.push(`studyUID=${StudyInstanceUID}`);
+  params.push(`seriesUID=${SeriesInstanceUID}`);
+  params.push(`objectUID=${SOPInstanceUID}`);
+  params.push('contentType=application/dicom');
+  params.push('transferSyntax=*');
+
+  const paramString = params.join('&');
+
+  return `${config.wadoUriRoot}?${paramString}`;
+}
+
+/**
+ * Obtain an imageId for Cornerstone from an image instance
+ *
+ * @param instance
+ * @param frame
+ * @param thumbnail
+ * @returns {string} The imageId to be used by Cornerstone
+ */
+export default function getImageId({
+  instance,
+  frame,
+  config,
+  thumbnail = false,
+}) {
+  if (!instance) {
+    return;
+  }
+
+  const renderingAttr = thumbnail ? 'thumbnailRendering' : 'imageRendering';
+
+  if (!config[renderingAttr] || config[renderingAttr] === 'wadouri') {
+    const wadouri = buildInstanceWadoUrl(config, instance);
+
+    let imageId = 'dicomweb:' + wadouri;
+    if (frame !== undefined) {
+      imageId += '&frame=' + frame;
+    }
+
+    return imageId;
+  } else {
+    return getWADORSImageId(instance, config, frame); // WADO-RS Retrieve Frame
+  }
+}