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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees;
use Fig\Http\Message\RequestMethodInterface;
use Illuminate\Support\Str;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function app;
use function explode;
/**
* Simple class to help migrate to a third-party routing library.
*/
class Router implements MiddlewareInterface, RequestMethodInterface
{
private const CONTROLLER_NAMESPACE = __NAMESPACE__ . '\\Http\\Controllers\\';
// To parse Controller::action
private const SCOPE_OPERATOR = '::';
/** @var string[][] */
private $routes = [
self::METHOD_GET => [],
self::METHOD_POST => [],
];
/**
* @param string $path
* @param string $handler
*
* @return Router
*/
public function get(string $path, string $handler): Router
{
return $this->add(self::METHOD_GET, $path, $handler);
}
/**
* @param string $method
* @param string $path
* @param string $handler
*
* @return Router
*/
private function add(string $method, string $path, string $handler): Router
{
$this->routes[$method][$path] = $handler;
return $this;
}
/**
* @param string $path
* @param string $handler
*
* @return Router
*/
public function post(string $path, string $handler): Router
{
return $this->add(self::METHOD_POST, $path, $handler);
}
/**
* @param ServerRequestInterface $request
* @param RequestHandlerInterface $handler
*
* @return ResponseInterface
*/
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
{
app()->instance(self::class, $this);
require 'routes/web.php';
$method = $request->getMethod();
$route = $request->getQueryParams()['route'] ?? '';
$routing = $this->routes[$method][$route] ?? '';
// Bind the request into the container
app()->instance(ServerRequestInterface::class, $request);
// No route matched?
if ($routing === '') {
return $handler->handle($request);
}
// Routes defined using controller::action
if (Str::contains($routing, self::SCOPE_OPERATOR)) {
[$class, $method] = explode(self::SCOPE_OPERATOR, $routing);
return app(self::CONTROLLER_NAMESPACE . $class)->$method($request);
}
// Routes defined using a request handler
return app($routing)->handle($request);
}
}
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