TYPO3 Solr Extbase repository hook

ext_localconf.php

<?php

$signalSlotDispatcher = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Extbase\\SignalSlot\\Dispatcher');

$signalSlotDispatcher->connect(
	'TYPO3\\CMS\\Extbase\\Persistence\\Generic\\Backend',
	'afterInsertObject',
	'Vendor\\Extension\\Solr\\ProductObserver',
	'afterCreateProduct'
);
$signalSlotDispatcher->connect(
	'TYPO3\\CMS\\Extbase\\Persistence\\Generic\\Backend',
	'afterUpdateObject',
	'Vendor\\Extension\\Solr\\ProductObserver',
	'afterUpdateProduct'
);
$signalSlotDispatcher->connect(
	'TYPO3\\CMS\\Extbase\\Persistence\\Generic\\Backend',
	'afterRemoveObject',
	'Vendor\\Extension\\Solr\\ProductObserver',
	'afterRemoveProduct'
);

Observer.php

<?php
/***************************************************************
 *  Copyright notice
 *
 *  (c) 2015 Hans Höchtl <[email protected]>
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *  A copy is found in the textfile GPL.txt and important notices to the license
 *  from the author is found in LICENSE.txt distributed with these scripts.
 *
 *
 *  This script 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 General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 ***************************************************************/

namespace Vendor\Extension\Solr;


use Vendor\Extension\Domain\Model\Product;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\DomainObject\DomainObjectInterface;

class ProductObserver
{

    static protected $tableName = 'tx_vendor_domain_model_product';
    /**
     * @var \Tx_Solr_IndexQueue_Queue
     */
    protected $indexQueue;

    /**
     * Constructor
     */
    public function __construct() {
        $this->indexQueue = GeneralUtility::makeInstance('Tx_Solr_IndexQueue_Queue');
    }

    /**
     * @param DomainObjectInterface $object
     */
    public function afterCreateProduct($object) {
        if ($object instanceof Product) {
            $this->indexQueue->updateItem(self::$tableName, $object->getUid());
        }
    }

    /**
     * @param DomainObjectInterface $object
     */
    public function afterUpdateProduct($object) {
        if ($object instanceof Product) {
            if ($object->isVisible()) {
                $this->indexQueue->updateItem(self::$tableName, $object->getUid());
            } else {
                $this->removeFromIndexAndQueue(self::$tableName, $object->getUid());
            }
        }
    }
    /**
     * @param DomainObjectInterface $object
     */
    public function afterRemoveProduct($object) {
        if ($object instanceof Product) {
            $this->removeFromIndexAndQueue(self::$tableName, $object->getUid());
        }
    }

    /**
     * Removes record from the index queue and from the solr index
     *
     * @param string $recordTable Name of table where the record lives
     * @param int $recordUid Id of record
     */
    protected function removeFromIndexAndQueue($recordTable, $recordUid) {
        /** @var \Tx_Solr_GarbageCollector $garbageCollector */
        $garbageCollector = GeneralUtility::makeInstance('Tx_Solr_GarbageCollector');
        $garbageCollector->collectGarbage($recordTable, $recordUid);
    }
}