Resolves #2398, re-populates _assessmentState from 'assessments:resto…

…red'

This corrects an issue with incorrect course completion statuses being passed back
when a course was being completed over multiple sessions.

Added listener for 'assessment:restored' event to tracking.js.  This event is raised by Assessment v3.1.0.

package.json

@@ -1,6 +1,6 @@
 {
     "name": "adapt_framework",
-    "version": "4.1.0",
+    "version": "4.1.1",
     "description": "Adapt Learning output framework",
     "repository": {
         "type": "git",

src/core/js/tracking.js

@@ -20,7 +20,10 @@ define([
         setupEventListeners: function() {
             // Check if completion requires passing an assessment. 
             if (this._config._requireAssessmentCompleted) {
-                this.listenTo(Adapt, 'assessment:complete', this.onAssessmentComplete);
+                this.listenTo(Adapt, {
+                    'assessment:complete': this.onAssessmentComplete,
+                    'assessment:restored': this.onAssessmentRestored
+                });
             }
 
             // Check if completion requires completing all content.
@@ -39,6 +42,14 @@ define([
             this.checkCompletion();
         },
 
+        /**
+         * Restores the _assessmentState object when an assessment is registered.
+         * @param {object} assessmentState - An object representing the overall assessment state
+         */
+        onAssessmentRestored: function(assessmentState) {
+            this._assessmentState = assessmentState;  
+        },
+
         /**
          * Evaluate the course and assessment completion.
          */