no-framework-tutorial/implementation/09-dependency-injector/src/Bootstrap.php

106 lines
3.2 KiB
PHP

<?php
declare(strict_types=1);
namespace Lubian\NoFramework;
use const E_ALL;
use Exception;
use FastRoute\Dispatcher;
use Laminas\Diactoros\Response;
use Laminas\Diactoros\ServerRequestFactory;
use Lubian\NoFramework\Action\InternalServerError;
use Lubian\NoFramework\Action\NotAllowed;
use Lubian\NoFramework\Action\NotFound;
use Lubian\NoFramework\Exception\InternalServerErrorException;
use Lubian\NoFramework\Exception\NotAllowedException;
use Lubian\NoFramework\Exception\NotFoundException;
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Throwable;
use Whoops\Handler\PrettyPageHandler;
use Whoops\Run;
use function error_log;
use function error_reporting;
use function FastRoute\simpleDispatcher;
use function getenv;
use function header;
use function sprintf;
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 $e): void {
error_log("Error: " . $e->getMessage(), $e->getCode());
echo 'An Error happened';
});
}
$whoops->register();
/** @var ContainerInterface $container */
$container = require __DIR__ . '/../config/dependencies.php';
/** @var ServerRequestInterface $request */
$request = $container->get(ServerRequestInterface::class);
$routeDefinitionCallback = require __DIR__ . '/../config/routes.php';
$dispatcher = simpleDispatcher($routeDefinitionCallback);
$routeInfo = $dispatcher->dispatch(
$request->getMethod(),
$request->getUri()->getPath(),
);
try {
switch ($routeInfo[0]) {
case Dispatcher::METHOD_NOT_ALLOWED:
throw new NotAllowedException();
case Dispatcher::FOUND:
/** @var RequestHandlerInterface $handler */
$handler = $container->get($routeInfo[1][0]);
$method = $routeInfo[1][1];
if (!$handler instanceof RequestHandlerInterface) {
throw new InternalServerErrorException();
}
foreach ($routeInfo[2] as $attributeName => $attributeValue) {
$request = $request->withAttribute($attributeName, $attributeValue);
}
$response = $handler->$method($request);
break;
case Dispatcher::NOT_FOUND:
default:
throw new NotFoundException();
}
} catch (NotAllowedException) {
$response = $container->get(NotAllowed::class)->handle($request);
} catch (NotFoundException) {
$response = $container->get(NotFound::class)->handle($request);
} catch (Exception) {
$response = $container->get(InternalServerError::class)->handle($request);
}
/** @var string $name */
foreach ($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();