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<?php
namespace Micropoly;
use Closure;
use FastRoute\Dispatcher;
use FastRoute\RouteCollector;
use Micropoly\Handlers\ApiTagsHandler;
use Micropoly\Handlers\Index;
use Micropoly\Handlers\MethodNotAllowedHandler;
use Micropoly\Handlers\NewNote;
use Micropoly\Handlers\NoteHandler;
use Micropoly\Handlers\NotFoundHandler;
use Micropoly\Handlers\Search;
use function FastRoute\simpleDispatcher;
class Main implements Entrypoint
{
private static function buildRoutes(RouteCollector $r)
{
$r->addRoute(["GET"], "/", Index::class);
$r->addRoute(["GET", "POST"], "/new-note", NewNote::class);
$r->addRoute(["GET"], "/search", Search::class);
$r->addRoute(["GET", "POST"], "/n/{id}", NoteHandler::class);
$r->addRoute(["GET"], "/api/tags", ApiTagsHandler::class);
}
public function run(Env $env)
{
$disp = simpleDispatcher(Closure::fromCallable([self::class, "buildRoutes"]));
$uri = preg_replace('/\?.*$/', "", $_SERVER["REQUEST_URI"]);
$result = $disp->dispatch($_SERVER["REQUEST_METHOD"], $uri);
switch ($result[0]) {
case Dispatcher::NOT_FOUND:
$handlerCls = NotFoundHandler::class;
$vars = [];
break;
case Dispatcher::FOUND:
[, $handlerCls, $vars] = $result;
break;
case Dispatcher::METHOD_NOT_ALLOWED:
$handlerCls = MethodNotAllowedHandler::class;
$vars = ["allowed" => $result[1]];
break;
default:
throw new \DomainException("Unexpected routing result: {$result[0]}");
}
$handler = new $handlerCls();
if (!($handler instanceof Handler)) {
throw new \DomainException("handler is not an instance of ".Handler::class);
}
$handler->handle($env, $vars);
}
}
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