public function saveAttachment($file_name, $data)
 {
     //$f = explode(PHP_EOL, $data);
     $EdiReader = new EDI\Reader($data);
     //read & save data
     $terminal = $EdiReader->readEdiDataValue('UNB', 2);
     $message_ref_number = $EdiReader->readEdiDataValue('UNH', 1);
     $prepare_date = $EdiReader->readEdiDataValue('UNB', 4, 0);
     $prepare_time = $EdiReader->readEdiDataValue('UNB', 4, 1);
     $prepare_datetime = preg_replace('#(\\d\\d)(\\d\\d)(\\d\\d)#', '20$1-$2-$3', $prepare_date) . ' ' . preg_replace('#(\\d\\d)(\\d\\d)#', '$1:$2', $prepare_time);
     if (empty($terminal)) {
         echo 'Error: Terminal empty' . PHP_EOL;
         echo $data;
         return false;
     }
     if (empty($message_ref_number)) {
         echo 'Error: Numberl empty' . PHP_EOL;
         echo $data;
         return false;
     }
     echo ' Terminal:' . $terminal . PHP_EOL;
     echo ' Number:' . $EdiReader->readEdiDataValue('UNH', 1) . PHP_EOL;
     $criteria = new CDbCriteria();
     $criteria->compare('message_ref_number', $message_ref_number)->compare('terminal', $terminal);
     if (Edifact::model()->find($criteria)) {
         return false;
     }
     echo ' Save' . PHP_EOL;
     $edifact = new Edifact();
     $edifact->terminal = $terminal;
     $edifact->message_ref_number = $message_ref_number;
     $edifact->prep_datetime = $prepare_datetime;
     $edifact->filename = $file_name;
     $edifact->message = $data;
     if (!$edifact->save()) {
         var_dump($edifact->errors);
         return false;
     }
     $this->readEdiData($edifact->id);
     echo ' OK' . PHP_EOL;
 }
 public function __construct($url = null)
 {
     parent::__construct($url);
 }