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<?php |
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declare(strict_types=1); |
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namespace Gacela\Router; |
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use Closure; |
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use Exception; |
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use Gacela\Container\Container; |
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use Gacela\Router\Configure\Bindings; |
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use Gacela\Router\Configure\Handlers; |
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use Gacela\Router\Configure\Middlewares; |
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use Gacela\Router\Configure\Routes; |
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use Gacela\Router\Entities\Request; |
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use Gacela\Router\Entities\Route; |
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use Gacela\Router\Exceptions\NonCallableHandlerException; |
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use Gacela\Router\Exceptions\NotFound404Exception; |
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use Gacela\Router\Exceptions\UnsupportedRouterConfigureCallableParamException; |
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use Gacela\Router\Middleware\MiddlewarePipeline; |
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use Override; |
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use ReflectionFunction; |
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use function get_class; |
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use function is_callable; |
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use function is_null; |
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final class Router implements RouterInterface |
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{ |
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private Routes $routes; |
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private Bindings $bindings; |
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private Handlers $handlers; |
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private Middlewares $middlewares; |
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public function __construct(?Closure $fn = null) |
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{ |
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$this->routes = new Routes(); |
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$this->bindings = new Bindings(); |
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$this->handlers = new Handlers(); |
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$this->middlewares = new Middlewares(); |
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112 |
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if (!is_null($fn)) { |
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$this->configure($fn); |
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} |
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} |
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#[Override] |
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public function configure(Closure $fn): self |
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{ |
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$params = array_map(fn ($param) => match ((string) $param->getType()) { |
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Routes::class => $this->routes, |
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Bindings::class => $this->bindings, |
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Handlers::class => $this->handlers, |
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Middlewares::class => $this->middlewares, |
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default => throw UnsupportedRouterConfigureCallableParamException::fromName($param), |
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}, (new ReflectionFunction($fn))->getParameters()); |
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$fn(...$params); |
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return $this; |
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} |
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#[Override] |
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public function run(): void |
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{ |
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try { |
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$route = $this->findRoute(); |
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$request = Request::fromGlobals(); |
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$resolvedGlobalMiddlewares = $this->resolveMiddlewares($this->middlewares->getAll()); |
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$resolvedRouteMiddlewares = $this->resolveMiddlewares($route->getMiddlewares()); |
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7 |
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$allMiddlewares = array_merge($resolvedGlobalMiddlewares, $resolvedRouteMiddlewares); |
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$pipeline = new MiddlewarePipeline($allMiddlewares); |
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echo $pipeline->handle($request, function () use ($route): string { |
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return (string) $route->run($this->bindings); |
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}); |
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} catch (Exception $exception) { |
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echo $this->handleException($exception); |
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} |
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} |
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8 |
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private function findRoute(): Route |
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{ |
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foreach ($this->routes->getAllRoutes() as $route) { |
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if ($route->requestMatches()) { |
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return $route; |
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1 |
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} |
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} |
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throw new NotFound404Exception(); |
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} |
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private function handleException(Exception $exception): string |
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{ |
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$handler = $this->findHandler($exception); |
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if (is_callable($handler)) { |
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/** @var string $result */ |
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$result = $handler($exception); |
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return $result; |
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} |
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/** @psalm-suppress MixedAssignment */ |
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$instance = Container::create($handler); |
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if (is_callable($instance)) { |
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/** @var string $result */ |
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$result = $instance($exception); |
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return $result; |
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} |
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throw NonCallableHandlerException::fromException($exception::class); |
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} |
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/** |
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* @return callable|class-string |
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*/ |
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private function findHandler(Exception $exception): string|callable |
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{ |
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return $this->handlers->getAllHandlers()[get_class($exception)] |
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?? $this->handlers->getAllHandlers()[Exception::class]; |
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} |
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/** |
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* @param list<Middleware\MiddlewareInterface|class-string<Middleware\MiddlewareInterface>|string> $middlewares |
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* |
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* @return list<Middleware\MiddlewareInterface|class-string<Middleware\MiddlewareInterface>> |
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*/ |
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private function resolveMiddlewares(array $middlewares): array |
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{ |
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$resolved = []; |
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foreach ($middlewares as $middleware) { |
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array_push($resolved, ...$this->middlewares->resolve($middleware)); |
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} |
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return $resolved; |
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} |
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} |
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gacela-project /
router
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