【EC-CUBE4】メーカーで絞り込みをする方法

EC-CUBE4にメーカープラグインを入れて、商品検索機能でメーカーで絞り込みをする方法です。

メーカーIDで絞り込めるようにSearchProductTypeを拡張

メーカーIDを商品絞り込み対象にするためSearchProductTypeを以下のように拡張します。

<?php

/*
 * Copyright (C) 2019 Akira Kurozumi <info@a-zumi.net>.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

namespace Customize\Form\Extension;

use Eccube\Form\Type\SearchProductType;
use Symfony\Component\Form\AbstractTypeExtension;
use Symfony\Component\Form\Extension\Core\Type\HiddenType;
use Symfony\Component\Form\FormBuilderInterface;

class SearchProductTypeExtension extends AbstractTypeExtension
{
    public function getExtendedType()
    {
        return SearchProductType::class;
    }

    public static function getExtendedTypes(): iterable
    {
        yield SearchProductType::class;
    }

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add('maker_id', HiddenType::class, []);
    }
}

WhereCustomizerを使って商品検索用QueryBuilderを拡張

以下のようにWhereCustomizerを使って商品検索用QueryBuilderを拡張します。

<?php

/*
 * Copyright (C) 2019 Akira Kurozumi <info@a-zumi.net>.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

namespace Customize\Repository;

use Eccube\Doctrine\Query\WhereClause;
use Eccube\Doctrine\Query\WhereCustomizer;
use Eccube\Repository\QueryKey;

class MakerWhereCustomizer extends WhereCustomizer
{
    /**
     * カスタマイズ対象のキーを返します。
     *
     * @return string
     */
    public function getQueryKey()
    {
        return QueryKey::PRODUCT_SEARCH;
    }

    /**
     * @param array $params
     * @param $queryKey
     *
     * @return WhereClause[]
     */
    protected function createStatements($params, $queryKey)
    {
        if(isset($params['maker_id'])) {
            return [WhereClause::eq("p.Maker", ':Maker', $params['maker_id'])];
        }

        return [];
    }
}