no-framework-tutorial/implementation/08/src/Bootstrap.php

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2022-05-19 21:39:08 +00:00
<?php declare(strict_types=1);
namespace Lubian\NoFramework;
use FastRoute\Dispatcher;
use Laminas\Diactoros\Response;
use Laminas\Diactoros\ServerRequestFactory;
use Lubian\NoFramework\Exception\InternalServerError;
use Lubian\NoFramework\Exception\MethodNotAllowed;
use Lubian\NoFramework\Exception\NotFound;
use Psr\Http\Server\RequestHandlerInterface;
use Throwable;
use Whoops\Handler\PrettyPageHandler;
use Whoops\Run;
use function assert;
use function error_log;
use function error_reporting;
use function FastRoute\simpleDispatcher;
use function getenv;
use function header;
use function sprintf;
use function strtolower;
use const E_ALL;
require __DIR__ . '/../vendor/autoload.php';
$environment = getenv('ENVIRONMENT') ?: 'dev';
error_reporting(E_ALL);
$whoops = new Run;
if ($environment === 'dev') {
$whoops->pushHandler(new PrettyPageHandler);
} else {
$whoops->pushHandler(function (Throwable $t) {
error_log('ERROR: ' . $t->getMessage(), $t->getCode());
echo 'Oooopsie';
});
}
$whoops->register();
$request = ServerRequestFactory::fromGlobals();
$response = new Response;
$routeDefinitionCallback = require __DIR__ . '/../config/routes.php';
$dispatcher = simpleDispatcher($routeDefinitionCallback);
$routeInfo = $dispatcher->dispatch($request->getMethod(), $request->getUri() ->getPath(),);
try {
switch ($routeInfo[0]) {
case Dispatcher::FOUND:
$className = $routeInfo[1];
$handler = new $className($response);
assert($handler instanceof RequestHandlerInterface);
foreach ($routeInfo[2] as $attributeName => $attributeValue) {
$request = $request->withAttribute($attributeName, $attributeValue);
}
$response = $handler->handle($request);
break;
case Dispatcher::METHOD_NOT_ALLOWED:
throw new MethodNotAllowed;
case Dispatcher::NOT_FOUND:
default:
throw new NotFound;
}
} catch (MethodNotAllowed) {
$response = (new Response)->withStatus(405);
$response->getBody()
->write('Method not Allowed');
} catch (NotFound) {
$response = (new Response)->withStatus(404);
$response->getBody()
->write('Not Found');
} catch (Throwable $t) {
throw new InternalServerError($t->getMessage(), $t->getCode(), $t);
}
foreach ($response->getHeaders() as $name => $values) {
$first = strtolower($name) !== 'set-cookie';
foreach ($values as $value) {
$header = sprintf('%s: %s', $name, $value);
header($header, $first);
$first = false;
}
}
$statusLine = sprintf(
'HTTP/%s %s %s',
$response->getProtocolVersion(),
$response->getStatusCode(),
$response->getReasonPhrase()
);
header($statusLine, true, $response->getStatusCode());
echo $response->getBody();