public function checkCode($code)
 {
     $discount = new Discount();
     $output = array();
     //return $discount->validateCode($code);
     if ($discount->validateCode($code)) {
         if ($discount->validateCode($code)->used == null) {
             //return $discount->validateCode($code);
             $output['code'] = 1;
             //$output['display'] = 'This code is avail'
             $output['content'] = 'This code is available';
             $output['discount'] = $discount->validateCode($code)->toArray();
             //return $discount;
         } else {
             //return $discount->validateCode($code);
             $output['code'] = 5;
             //$output['display'] = 'This code is avail'
             $output['content'] = 'This code isn\'t available';
             $output['discount'] = $discount->validateCode($code);
         }
         return json_encode($output);
     }
     $output['	code'] = '0';
     $output['content'] = 'This code isn\'t available';
     return json_encode($output);
 }