J : webservice model event details change

application/controllers/FlightServices.php

 <?php
 defined('BASEPATH') OR exit('No direct script access allowed');
 if (isset($_SERVER['HTTP_ORIGIN'])) {
-        header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
-        header('Access-Control-Allow-Credentials: true');
-        header('Access-Control-Max-Age: 86400'); 
-    }
+  header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
+  header('Access-Control-Allow-Credentials: true');
+  header('Access-Control-Max-Age: 86400'); 
+}
 
-  if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
-    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
-      header("Access-Control-Allow-Methods: GET, POST, OPTIONS");         
+if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
+  if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
+    header("Access-Control-Allow-Methods: GET, POST, OPTIONS");         
 
-    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
-      header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");
+  if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
+    header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");
 
-    exit(0);
-  }
+  exit(0);
+}
 //test changes
 class FlightServices extends CI_Controller {
   var $auth_token;

application/models/Webservice_model.php

@@ -625,7 +625,7 @@ class Webservice_model extends CI_Model {
 					$waltBlnce = 0;
 					$balSql = $this->db->query("SELECT balance_amount FROM wallet 
 												WHERE customer_id='$user_id'");
-					if(!empty($balSql) || !empty($balSql = $balSql->row_array())){
+					if(!empty($balSql) && !empty($balSql = $balSql->row_array())){
 						$waltBlnce = $balSql['balance_amount'];
 					}
 					$resData = array(