oms-Media/Models/CollectionMapper.php

<?php
/**
 * Orange Management
 *
 * PHP Version 7.0
 *
 * @category   TBD
 * @package    TBD
 * @author     OMS Development Team <dev@oms.com>
 * @author     Dennis Eichhorn <d.eichhorn@oms.com>
 * @copyright  Dennis Eichhorn
 * @license    OMS License 1.0
 * @version    1.0.0
 * @link       http://orange-management.com
 */
namespace Modules\Media\Models;

use phpOMS\DataStorage\Database\Query\Builder;
use phpOMS\DataStorage\Database\Query\Column;

class CollectionMapper extends MediaMapper
{
    protected static $hasMany = [
        'sources' => [
            'mapper'         => \Modules\Media\Models\MediaMapper::class, /* mapper of the related object */
            'relationmapper' => null, /* if the relation itself is a more complex object that has it's own mapper */
            'table'          => 'media_relation', /* table of the related object, null if no relation table is used (many->1) */
            'dst'            => 'media_relation_dst',
            'src'            => 'media_relation_src',
        ],
    ];

    /**
     * Primary table.
     *
     * @var string
     * @since 1.0.0
     */
    protected static $table = 'media';

    /**
     * Created at.
     *
     * @var string
     * @since 1.0.0
     */
    protected static $createdAt = 'media_created_at';

    /**
     * Primary field name.
     *
     * @var string
     * @since 1.0.0
     */
    protected static $primaryField = 'media_id';

    /**
     * Find.
     *
     * @param array $columns Columns to select
     *
     * @return Builder
     *
     * @since  1.0.0
     * @author Dennis Eichhorn <d.eichhorn@oms.com>
     */
    public static function find(...$columns) : Builder
    {
        return parent::find(...$columns)->from('account_permission')
                     ->where('account_permission.account_permission_for', '=', 'news')
                     ->where('account_permission.account_permission_id1', '=', 1)
                     ->where('news.news_id', '=', new Column('account_permission.account_permission_id2'))
                     ->where('account_permission.account_permission_r', '=', 1);
    }
}