icingaweb2-module-director/application/tables/IcingaZoneTable.php

<?php

namespace Icinga\Module\Director\Tables;

use Icinga\Module\Director\Web\Table\IcingaObjectTable;

class IcingaZoneTable extends IcingaObjectTable
{
    protected $searchColumns = array(
        'zone',
    );

    public function getColumns()
    {
        if ($this->connection()->isPgsql()) {
            $endpoints = "ARRAY_TO_STRING(ARRAY_AGG(e.object_name), ', ')";
        } else {
            $endpoints = "GROUP_CONCAT(e.object_name ORDER BY e.object_name SEPARATOR ', ')";
        }

        return array(
            'id'          => 'z.id',
            'zone'        => 'z.object_name',
            'object_type' => 'z.object_type',
            'endpoints'   => $endpoints,
        );
    }

    protected function getActionUrl($row)
    {
        return $this->url('director/zone', array('name' => $row->zone));
    }

    public function getTitles()
    {
        $view = $this->view();
        return array(
            'zone'      => $view->translate('Zone'),
            'endpoints' => $view->translate('Endpoints'),
        );
    }

    public function count()
    {
        $db = $this->db();
        $sub = clone($this->getBaseQuery());
        $sub->columns($this->getColumns());
        $this->applyFiltersToQuery($sub);
        $query = $db->select()->from(
            array('sub' => $sub),
            'COUNT(*)'
        );

        return $db->fetchOne($query);
    }

    public function getBaseQuery()
    {
        return $this->db()->select()->from(
            array('z' => 'icinga_zone'),
            array()
        )->joinLeft(
            array('e' => 'icinga_endpoint'),
            'z.id = e.zone_id',
            array()
        )->group('z.id');
    }
}