<?php
/**
 * Event_Handler_Stop
 *
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @package WB
 * @subpackage ITS
 */

WBClass::load('WBEvent_Handler'
, 'WBEvent_Handler_ITS');

/**
 * Event_Handler_Stop
 *
 * Stop event processing accoding to ticket status
 *
 * @version 0.2.0
 * @package WB
 * @subpackage ITS
 */
class WBEvent_Handler_ITS_Stop extends WBEvent_Handler_ITS
{
    /**
     * handler config
     *
     * Parameters:
     * - "status": List of status to stop
     * - "namespace": List of namespaces to stop
     * - "loadticket": index of id to load ticket
     *
     * @var array
     */
    protected $config   =   array(
                                'status'        =>  array('new', 'closed', 'trash'),
                                'namespace'     =>  array(),
                                'loadticket'    =>  ''
                                );


    /**
     * process event 
     * 
     * Stop processing if status is one on config
     * 
     * @see isRecoverable()
     * @param WBEvent $e
     * @return bool true to continue, false to stop processing
     * @throws Exception in case of error
     */
    public function process(WBEvent $e)
    {
        $this->loadTicket($e);

        $res    =   $this->check($e->get('status'), $this->config['status']);
        if (!$res) {
            $this->debugPrint('Stop because status did not match');
            return false;
        }

        $res    =   $this->check($e->get('namespace'), $this->config['namespace']);
        if (!$res) {
            $this->debugPrint('Stop because namespace did not match');
            return false;
        }

        return true;
    }    

    /**
     * Check for value
     *
     * See if value is in list of denied values
     *
     * @param string $value
     * @param array $denied
     */
    private function check($value, $denied)
    {
        if (empty($denied)) {
            return true;
        }
        if (!is_array($denied)) {
            $denied =   array($denied);
        }
        if (in_array($value, $denied)) {
            return false;
        }
        return true;
    }
}