Add support for more audience fields. (#4145)

* Add support for more audience fields.

* Only update audience when defined audience_id.

src/Controllers/PushController.js

@@ -54,6 +54,20 @@ export class PushController {
     }).then(() => {
       onPushStatusSaved(pushStatus.objectId);
       return badgeUpdate();
+    }).then(() => {
+      // Update audience lastUsed and timesUsed
+      if (body.audience_id) {
+        const audienceId = body.audience_id;
+
+        var updateAudience = {
+          lastUsed: { __type: "Date", iso: new Date().toISOString() },
+          timesUsed: { __op: "Increment", "amount": 1 }
+        };
+        const write = new RestWrite(config, master(config), '_Audience', {objectId: audienceId}, updateAudience);
+        write.execute();
+      }
+      // Don't wait for the audience update promise to resolve.
+      return Promise.resolve();
     }).then(() => {
       if (body.hasOwnProperty('push_time') && config.hasPushScheduledSupport) {
         return Promise.resolve();

src/Controllers/SchemaController.js

@@ -113,12 +113,14 @@ const defaultColumns = Object.freeze({
   },
   _GlobalConfig: {
     "objectId": {type: 'String'},
-    "params": {type: 'Object'}
+    "params":   {type: 'Object'}
   },
   _Audience: {
-    "objectId": {type:'String'},
-    "name":   {type:'String'},
-    "query": {type:'String'} //storing query as JSON string to prevent "Nested keys should not contain the '$' or '.' characters" error
+    "objectId":  {type:'String'},
+    "name":      {type:'String'},
+    "query":     {type:'String'}, //storing query as JSON string to prevent "Nested keys should not contain the '$' or '.' characters" error
+    "lastUsed":  {type:'Date'},
+    "timesUsed": {type:'Number'}
   }
 });