<?php

namespace App\Gallery\Image\Admin;

use App\Gallery\Admin\Obj as GalleryObj;
use App\Gallery\Image\AbstractObj;
use Qs_Db;
use Zend_Db_Select;
use Exception;

class Obj extends AbstractObj
{
    protected $_filterFields = ['title', 'description'];
    protected $_galleryId;
    protected $_gallery;

    public function initFromForm(array $data)
    {
        $data['galleryId'] = $this->getGalleryId();
        return parent::initFromForm($data);
    }

    protected function _where(Zend_Db_Select $select)
    {
        $select->where('`gi`.`galleryId` = ?', $this->getGalleryId(), Qs_Db::INT_TYPE);
        return $this;
    }

    public function setGalleryId($galleryId)
    {
        $this->_galleryId = (int) $galleryId;
        return $this;
    }

    public function getGalleryId()
    {
        if (null == $this->_galleryId) {
            throw new Exception('Required property "_galleryId" can not be empty');
        }
        return $this->_galleryId;
    }

    public function getGallery($field = null, $default = null)
    {
        if (null === $this->_gallery) {
            $gallery = new GalleryObj(['primaryKey' => $this->getGalleryId()]);
            $this->_gallery = $gallery->getData();
        }
        return array_key_exists($field, $this->_gallery) ? $this->_gallery[$field] : $default;
    }
}