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<?php
declare(strict_types=1);
namespace Drupal\pgsql\Install\Requirements;
use Drupal\Core\Database\Database;
use Drupal\Core\Extension\InstallRequirementsInterface;
use Drupal\Core\Extension\Requirement\RequirementSeverity;
/**
* Install time requirements for the pgsql module.
*/
class PgsqlRequirements implements InstallRequirementsInterface {
/**
* {@inheritdoc}
*/
public static function getRequirements(): array {
$requirements = [];
// Test with PostgreSQL databases for the status of the pg_trgm extension.
if (Database::isActiveConnection()) {
$connection = Database::getConnection();
// Set the requirement just for postgres.
if ($connection->driver() == 'pgsql') {
$requirements['pgsql_extension_pg_trgm'] = [
'severity' => RequirementSeverity::OK,
'title' => t('PostgreSQL pg_trgm extension'),
'value' => t('Available'),
'description' => t('The pg_trgm PostgreSQL extension is present.'),
];
// If the extension is not available, set the requirement error.
if (!$connection->schema()->extensionExists('pg_trgm')) {
$requirements['pgsql_extension_pg_trgm']['severity'] = RequirementSeverity::Error;
$requirements['pgsql_extension_pg_trgm']['value'] = t('Not created');
$requirements['pgsql_extension_pg_trgm']['description'] = t('The <a href=":pg_trgm">pg_trgm</a> PostgreSQL extension is not present. The extension is required by Drupal to improve performance when using PostgreSQL. See <a href=":requirements">Drupal database server requirements</a> for more information.', [
':pg_trgm' => 'https://www.postgresql.org/docs/current/pgtrgm.html',
':requirements' => 'https://www.drupal.org/docs/system-requirements/database-server-requirements',
]);
}
}
}
return $requirements;
}
}
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