Fix update widgets api to actually save to session

Author: andersryanc

api/actions/widget/update.js

@@ -7,17 +7,20 @@ export default function update(req) {
       if (Math.random() < 0.2) {
         reject('Oh no! Widget save fails 20% of the time. Try again.');
       } else {
-        const widgets = load(req);
-        const widget = req.body;
-        if (widget.color === 'Green') {
-          reject({
-            color: 'We do not accept green widgets' // example server-side validation error
-          });
-        }
-        if (widget.id) {
-          widgets[widget.id - 1] = widget;  // id is 1-based. please don't code like this in production! :-)
-        }
-        resolve(widget);
+        load(req).then(data => {
+          const widgets = data;
+          const widget = req.body;
+          if (widget.color === 'Green') {
+            reject({
+              color: 'We do not accept green widgets' // example server-side validation error
+            });
+          }
+          if (widget.id) {
+            widgets[widget.id - 1] = widget;  // id is 1-based. please don't code like this in production! :-)
+            req.session.widgets = widgets;
+          }
+          resolve(widget);
+        });
       }
     }, 1500); // simulate async db write
   });