flightCheckFail - a pre-validation example for Propel (v 1.6.4) fields. Overcomes a limitation with (some) validators that require correct data in the object before validation can take place

gistfile1.php

/* flightCheckFail - a pre-validation example for Propel (v 1.6.4) fields
 *
 * Overcomes a limitation with (some) validators that require correct data in the object before validation can take place.
 * Example below uses date field 
 *
 * A.M. Doherty 22nd March 2012
 * read more here: http://stackoverflow.com/questions/9570570/propel-orm-version-1-6-4-understanding-validators
 * and here: http://codeandeffect.co.uk/blog/2012/programming/php/flight-checking-values-for-propel/
*/

/* Sample usage:
if ($_GET['starting_date'] ):
$event = new Event();
$sanitisedFormVal = sanitise($_GET['starting_date']);
if ($check = $event->flightCheckFail('StartingDate','DateValidator',$sanitisedFormVal)) {echo $check;}
else { $event->setStartingDate($sanitisedFormVal);}
*/



/*Drop into Event class*/

class Event extends BaseEvent {
  public function flightCheckFail($name,$validatorClass,$value){
    $colname = $this->getPeer()->getTableMap()->getColumnByPhpName($name)->getName();
    $validators = $this->getPeer()->getTableMap()->getColumn($colname)>getValidators();
    foreach($validators as $validatorMap) {
      if ($validatorMap->getClass()==$validatorClass) {
        $validator = BasePeer::getValidator($validatorMap>getClass());
        if ( $validator->isValid($validatorMap, $value) === false) {
          $failureMessage =  $validatorMap->getMessage();
        }
      }
    }
    if($failureMessage) {return $failureMessage;}
    else {return false;}
  }
}