Files
urukprize/backend/core/Router.php
T

120 lines
3.6 KiB
PHP

<?php
declare(strict_types=1);
namespace Core;
class Router
{
private array $routes = [];
public function get(string $path, array|callable $handler, array $middlewares = []): void
{
$this->addRoute('GET', $path, $handler, $middlewares);
}
public function post(string $path, array|callable $handler, array $middlewares = []): void
{
$this->addRoute('POST', $path, $handler, $middlewares);
}
public function put(string $path, array|callable $handler, array $middlewares = []): void
{
$this->addRoute('PUT', $path, $handler, $middlewares);
}
public function delete(string $path, array|callable $handler, array $middlewares = []): void
{
$this->addRoute('DELETE', $path, $handler, $middlewares);
}
public function options(string $path, array|callable $handler): void
{
$this->addRoute('OPTIONS', $path, $handler, []);
}
private function addRoute(string $method, string $path, array|callable $handler, array $middlewares): void
{
$pattern = preg_replace('/\{([a-zA-Z0-9_]+)\}/', '(?P<$1>[^/]+)', $path);
$pattern = '#^' . $pattern . '$#';
$this->routes[] = [
'method' => $method,
'path' => $path,
'pattern' => $pattern,
'handler' => $handler,
'middlewares' => $middlewares,
];
}
public function dispatch(Request $request): void
{
// Handle preflight CORS OPTIONS requests immediately
if ($request->getMethod() === 'OPTIONS') {
Response::json(['status' => 'ok']);
}
$method = $request->getMethod();
$path = $request->getPath();
foreach ($this->routes as $route) {
if ($route['method'] !== $method) {
continue;
}
if (preg_match($route['pattern'], $path, $matches)) {
$params = [];
foreach ($matches as $key => $value) {
if (is_string($key)) {
$params[$key] = $value;
}
}
$this->runMiddlewares($route['middlewares'], $request, function () use ($route, $request, $params) {
$this->executeHandler($route['handler'], $request, $params);
});
return;
}
}
Response::notFound("Endpoint not found: [{$method}] {$path}");
}
private function runMiddlewares(array $middlewares, Request $request, callable $target): void
{
$pipeline = array_reduce(
array_reverse($middlewares),
function ($next, $middlewareClass) {
return function ($req) use ($next, $middlewareClass) {
$instance = new $middlewareClass();
$instance->handle($req, $next);
};
},
$target
);
$pipeline($request);
}
private function executeHandler(array|callable $handler, Request $request, array $params): void
{
if (is_callable($handler)) {
call_user_func($handler, $request, $params);
return;
}
[$controllerClass, $methodName] = $handler;
if (!class_exists($controllerClass)) {
Response::error("Controller class {$controllerClass} not found", 500);
}
$controller = new $controllerClass();
if (!method_exists($controller, $methodName)) {
Response::error("Method {$methodName} not found on controller {$controllerClass}", 500);
}
$controller->$methodName($request, $params);
}
}