work in progress.

www/src/doicontroller.js

@@ -172,15 +172,11 @@ DOIController.prototype.getDataForGoogleSearch = function (doi) {
             //dataType: 'text', // don't convert JSON to Javascript object
             success: function (data) {
                 if (data) {
-                    // Here we add the 'description' field in the recieved object because 'name' and 'description' fields are required by google dataset search.
-                    if (data.name) {
-                        if (!data.description) {
-                            data.description = data.name;
-                        }
-                        _this.view.addDOIMetadataToHead(JSON.stringify(data));
-                    } else {
-                        console.log("[GOOGLE SEARCH INDEXING] - The data required by Google is missing the 'name' field. This is required by Google for indexing.");
-                    }
+                    googleMetadataObject = new GoogleMetadataObject(data);
+                    googleMetadataObject.setDescription();
+                    googleMetadataObject.setLicense();
+
+                    _this.view.addDOIMetadataToHead(JSON.stringify(googleMetadataObject.getMetadata()));
                 } else {
                     console.log("[GOOGLE SEARCH INDEXING] - No metadata recieved from datacite.");
                 }

www/src/googleMetadataObject.js

+/**
+ * This class corresponds to a Google metadata object
+ * @param {*} data 
+ */
+function GoogleMetadataObject(data) {
+    this.data = data;
+}
+
+/**
+ * Get metadata
+ */
+GoogleMetadataObject.prototype.getMetadata = function () {
+    return this.data;
+}
+
+/**
+ * Set a license
+ */
+GoogleMetadataObject.prototype.setLicense = function () {
+    if (!this.data.license) {
+        this.data.license = "https://creativecommons.org/licenses/by/4.0"
+    }
+}
+
+/**
+ * Set a description. 
+ */
+GoogleMetadataObject.prototype.setDescription = function () {
+    if (this.data.name) {
+        if (!this.data.description) {
+            this.data.description = this.data.name;
+        }
+    } else {
+        console.log("[GoogleMetadataObject] - The data required by Google is missing the 'name' field. This is required by Google for indexing.");
+    }
+}
+