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

WBClass::load('WBEvent_Handler'
, 'WBEvent_Handler_Mail'
, 'WBITS'
, 'patI18n');

/**
 * WBEvent_Handler_ITS_MailMaster
 *
 * Send e-mail to all ticket masters
 *
 * @version 1.0.1
 * @package Wombat
 * @subpackage ITS
 */
class WBEvent_Handler_ITS_MailMaster extends WBEvent_Handler_Mail
{
    /**
     * Handler config
     *
     * For parameter list see parent class, additional parameter:
     * - "skipsame" Don't send e-mail if editing user is the same as recipient (default: 1)
     * - "group" usergroup to select (default: "its-master")
     * - "enabled" only use enabled users
     * - "scopeuseronly" Send E-Mail to users marked in scope
     *
     * @see WBEvent_Handler_Mail
     * @var array
     */
    protected $config   =   array(
                                'from'      =>  '',
                                'fromindex' =>  '',
                                'rcpt'      =>  '',
                                'rcptindex' =>  'email',
                                'addrcpt'   =>  '',
                                'lang'      =>  '',
                                'langindex' =>  '',
                                'tmpl'      =>  'email',
                                'skipsame'  =>  '1',
                                'group'     =>  'its-master',
                                'scopeuseronly' =>  0,
                                'enabled'   =>  '1',
                                );

    /**
     * User object
     *
     * @var WBUser
     */
    private $user;

    /**
     * Table access
     *
     * @var WBDatasource_Table
     */
    private $table;

    /**
     * Process event
     *
     * Prepare to send e-mail to assignee. Use parent class to actually send e-mail.
     * Select recipients by user group
     *
     * @param WBEvent $e
     * @return bool true to continue, false to stop processing
     * @throws Exception in case of error
     */
    public function process(WBEvent $e)
    {
        $data           =   $e->get();

        $this->table    =   WBClass::create('WBDatasource_Table');
        $pScope         =   $this->table->getIdentifier(WBITS::TABLE_TICKETSCOPE);
        $pUser          =   $this->table->getIdentifier('user');
        $pGroup         =   $this->table->getIdentifier('group');

        // select recipients
        $clause     =   array();
        $clause[]   =   array(
                                'table' =>  'group',
                                'field' =>  'groupname',
                                'value' =>  $this->config['group']
                            );
        $options    =   array(
                            'limit' =>  100,
                            'join'  =>  array(
                                            array(
                                                'table' =>  'group',
                                                'using' =>  $pGroup
                                                )
                                        )
                            );
        if (0 < intval($this->config['scopeuseronly'])) {
            $clause[]   =   array(
                                    'table' =>  WBITS::TABLE_TICKETSCOPEUSER,
                                    'field' =>  $pScope,
                                    'value' =>  $data[$pScope]
                                );
            $options['join'][]  =   array(
                                        'table' =>  WBITS::TABLE_TICKETSCOPEUSER,
                                        'using' =>  $pUser
                                    );
        }

        $pager      =   $this->table->getPager(__CLASS__ . ':user', 'usergroup', null, $clause, $options);
        $info       =   $pager->browse();

        $e->set('status_display', patI18n::dgettext('wombat', 'its_status_' . $data['status']));

        $this->user =   WBClass::create('WBUser');

        for ($i = 0; $i < $info['pages']; ++$i) {
            $rcpts  =   $pager->get();
            foreach ($rcpts as $r) {
                // don't send an e-mail if ticket was saved by myself
                if (!empty($this->config['skipsame']) && 0 < intval($this->config['skipsame'])
                    && $data[$pUser] == $r[$pUser]) {
                    continue;
                }

                if (!$this->user->load($r[$pUser])) {
                    continue;
                }

                if (!empty($this->config['enabled']) && 0 < intval($this->config['enabled'])
                    && !$this->user->isEnabled()) {
                    continue;
                }

                $user       =   $this->user->getData();
                $this->config['rcpt']   =   $user['email'];
                $this->config['lang']   =   $user['lang'];
                parent::process($e);
            }

            $pager->browse('__next');
            break;
        }

        return true;
    }
}