baseline implementation of notif listener rolllout

patrickshih-optimizely · patrickshih-optimizely · commit 11a18c826852 · 2018-07-25T17:03:35.000-07:00
diff --git a/packages/optimizely-sdk/lib/optimizely/index.js b/packages/optimizely-sdk/lib/optimizely/index.js
@@ -521,6 +521,9 @@ Optimizely.prototype.isFeatureEnabled = function (featureKey, userId, attributes
         // got a variation from the exp, so we track the impression
         this._sendImpressionEvent(decision.experiment.key, decision.variation.key, userId, attributes);
       }
+      if (decision.decisionSource === DECISION_SOURCES.ROLLOUT) {
+         this._sendFeatureRolloutNotification(feature, userId, attributes, variation.featureEnabled);
+      }
       if (variation.featureEnabled === true) {
         this.logger.log(LOG_LEVEL.INFO, sprintf(LOG_MESSAGES.FEATURE_ENABLED_FOR_USER, MODULE_NAME, featureKey, userId));
         return true;
@@ -535,6 +538,20 @@ Optimizely.prototype.isFeatureEnabled = function (featureKey, userId, attributes
   }
 };
 
+Optimizely.prototype._sendFeatureRolloutNotification = function (feature, userId, attributes, featureEnabled) {
+  var isEnabled = featureEnabled ? "Enabled" : "Disabled";
+
+  this.notificationCenter.sendNotifications(
+    enums.NOTIFICATION_TYPES.FEATURE_ROLLOUT,
+    {
+      feature: feature,
+      userId: userId,
+      attributes: attributes,
+      variation: isEnabled
+    }
+  );
+}
+
 /**
  * Returns an Array containing the keys of all features in the project that are
  * enabled for the given user.
diff --git a/packages/optimizely-sdk/lib/utils/enums/index.js b/packages/optimizely-sdk/lib/utils/enums/index.js
@@ -164,6 +164,7 @@ exports.NODE_CLIENT_VERSION = '2.1.1';
 exports.NOTIFICATION_TYPES = {
   ACTIVATE: 'ACTIVATE:experiment, user_id,attributes, variation, event',
   TRACK: 'TRACK:event_key, user_id, attributes, event_tags, event',
+  FEATURE_ROLLOUT: 'FEATURE_ROLLOUT:feature, user_id, attributes, variation',
 };
 
 /*
