[+] Encapsulate method to get selected time code

src/components/navigation/navigation.ts

@@ -158,6 +158,15 @@ export default class Navigation extends Vue
         this.selectedTime = command;
     }
 
+    /**
+     * Get code for selected time
+     */
+    public getSelectedTimeCode(): number
+    {
+        if (this.selectedTime == 'All Year') return -1;
+        else return +this.selectedTime.replace('Term ', '');
+    }
+
     /**
      * This function is called when the sign out button is clicked.
      */