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

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

/**
 * WBEvent_Handler_ITS_Update
 *
 * Update ticket
 *
 * @version 0.1.0
 * @package Wombat
 * @subpackage ITS
 */
class WBEvent_Handler_ITS_Update extends WBEvent_Handler_ITS
{
    /**
     * Handler config
     *
     * For parameter list see parent class, additional parameter:
     * - loadticket: index of id to load ticket
     * - data: values to update ticket with
     * - deletecomment: original comment, default 1 (yes)
     * - triggerevent: default 1 (yes)
     *
     * @see WBEvent_Handler_Mail
     * @var array
     */
    protected $config   =   array(
                                'loadticket'    =>  '',
                                'data'          =>  array(),
                                'deletecomment' =>  1,
                                'triggerevent'  =>  1
                                );

    /**
     * Comment object
     * @var WBDatasource_Comment
     */
    private $comment;

    /**
     * Process event
     *
     * Send e-mail to customer
     * - Load ticket data using id given in event data
     *
     * @param WBEvent $e
     * @return bool true to continue, false to stop processing
     * @throws Exception in case of error
     */
    public function process(WBEvent $e)
    {
        try {
            $this->loadTicket($e);
        }
        catch (WBException_Config $e) {
            return true;
        }

        $save   =   $this->config['data'];
        $save['comment']    =   $e->get('commentbody', '');

        $this->ticket->save($save);

        // update event data as well
        foreach ($save as $k => $v) {
            $e->set($k, $v);
        }

        $this->deleteComment($e);
        return true;
    }

    /**
     * Remove origin comment
     *
     * @param WBEvent $e
     */
    private function deleteComment($e)
    {
        if (!$this->config['deletecomment']) {
            return;
        }

        $id =   $e->get('id');
        if (empty($id)) {
            return;
        }

        $this->comment  =   WBClass::create('WBDatasource_Comment');
        $this->comment->useEventTrigger(false);
        $this->comment->forceDelete($id);
    }
}