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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2026 webtrees development team
* This program 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 3 of the License, or
* (at your option) any later version.
* This program 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.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Http;
use Fisharebest\Webtrees\Http\RequestHandlers\NotFound;
use Fisharebest\Webtrees\Registry;
use LogicException;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function array_reduce;
use function array_reverse;
use function is_string;
readonly class Dispatcher
{
/**
* @param list<class-string|MiddlewareInterface> $middleware
*/
public static function dispatch(array $middleware, ServerRequestInterface $request): ResponseInterface
{
$pipeline = array_reduce(
array: array_reverse(array: $middleware),
callback: self::reduceMiddleware(...),
initial: new NotFound(),
);
return $pipeline->handle(request: $request);
}
/**
* @param class-string|MiddlewareInterface $item
*/
private static function reduceMiddleware(
RequestHandlerInterface $carry,
string|MiddlewareInterface $item,
): RequestHandlerInterface {
return new readonly class (carry: $carry, item: $item) implements RequestHandlerInterface {
/**
* @param class-string|MiddlewareInterface $item
*/
public function __construct(
private RequestHandlerInterface $carry,
private string|MiddlewareInterface $item,
) {
}
public function handle(ServerRequestInterface $request): ResponseInterface
{
$item = $this->item;
if (is_string(value: $item)) {
$item = Registry::container()->get(id: $item);
}
if ($item instanceof MiddlewareInterface) {
return $item->process(request: $request, handler: $this->carry);
}
throw new LogicException(message: 'Invalid or undefined middleware');
}
};
}
}
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