Module.php

<?php

namespace CatalogSearch;

use Omeka\Module\AbstractModule;
use Laminas\EventManager\SharedEventManagerInterface;
use Laminas\Mvc\Controller\AbstractController;
use Laminas\Mvc\MvcEvent;
use Laminas\ServiceManager\ServiceLocatorInterface;
use Laminas\View\Renderer\PhpRenderer;

class Module extends AbstractModule
{
    public function onBootstrap(MvcEvent $event)
    {
        parent::onBootstrap($event);

        $serviceLocator = $this->getServiceLocator();

        $acl = $serviceLocator->get('Omeka\Acl');
        $acl->allow(null, Api\Adapter\CatalogAdapter::class, ['search', 'read']);
    }

    public function install(ServiceLocatorInterface $serviceLocator)
    {
        $connection = $serviceLocator->get('Omeka\Connection');

        $connection->executeStatement(<<<SQL
            CREATE TABLE catalog_search_catalog (
                id INT AUTO_INCREMENT NOT NULL,
                name VARCHAR(255) NOT NULL,
                search_url LONGTEXT NOT NULL,
                position INT DEFAULT 0 NOT NULL,
                simple_query TINYINT(1) DEFAULT '0' NOT NULL,
                enabled TINYINT(1) DEFAULT '0' NOT NULL,
                PRIMARY KEY(id)
            ) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_unicode_ci` ENGINE = InnoDB
        SQL);

        $stmt = $connection->prepare('INSERT INTO catalog_search_catalog (name, search_url, position, simple_query, enabled) VALUES (?, ?, ?, ?, ?)');

        $stmt->executeStatement(['Archive Grid', 'http://beta.worldcat.org/archivegrid/?q=%s', 0, 1, 1]);
        $stmt->executeStatement(['Digital Public Library of America', 'http://dp.la/search?utf8=%E2%9C%93&q=%s', 1, 0, 1]);
        $stmt->executeStatement(['Google Books', 'https://www.google.com/search?btnG=Search+Books&tbm=bks&tbo=1&q=%s', 2, 1, 1]);
        $stmt->executeStatement(['Google Scholar', 'http://scholar.google.com/scholar?btnG=&as_sdt=1%2C22&as_sdtp=&q=%s', 3, 1, 1]);
        $stmt->executeStatement(['Hathi Trust', 'http://catalog.hathitrust.org/Search/Home?lookfor=%s&searchtype=all&ft=&setft=false', 4, 0, 1]);
        $stmt->executeStatement(['JSTOR', 'http://www.jstor.org/action/doBasicSearch?Query=%s', 5, 1, 1]);
        $stmt->executeStatement(['Library of Congress', 'http://catalog.loc.gov/vwebv/search?searchArg=%s&searchCode=GKEY%5E*&searchType=0', 6, 0, 1]);
        $stmt->executeStatement(['WorldCat', 'http://www.worldcat.org/search?qt=worldcat_org_all&q=%s', 7, 0, 1]);
    }

    public function uninstall(ServiceLocatorInterface $serviceLocator)
    {
        $connection = $serviceLocator->get('Omeka\Connection');
        $connection->executeStatement('DROP TABLE IF EXISTS catalog_search_catalog');
    }

    public function getConfig()
    {
        return require __DIR__ . '/config/module.config.php';
    }
}