no-framework-tutorial/implementation/11-templating/src/Bootstrap.php

110 lines
3.2 KiB
PHP

<?php declare(strict_types=1);
namespace Lubian\NoFramework;
use FastRoute\Dispatcher;
use Invoker\InvokerInterface;
use Laminas\Diactoros\ResponseFactory;
use Lubian\NoFramework\Exception\InternalServerError;
use Lubian\NoFramework\Exception\MethodNotAllowed;
use Lubian\NoFramework\Exception\NotFound;
use Psr\Container\ContainerInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
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 $e): void {
error_log('Error: ' . $e->getMessage(), $e->getCode());
echo 'An Error happened';
});
}
$whoops->register();
$container = require __DIR__ . '/../config/dependencies.php';
assert($container instanceof ContainerInterface);
$request = $container->get(ServerRequestInterface::class);
assert($request instanceof ServerRequestInterface);
$responseFactory = $container->get(ResponseFactory::class);
assert($responseFactory instanceof ResponseFactory);
$routeDefinitionCallback = require __DIR__ . '/../config/routes.php';
$dispatcher = simpleDispatcher($routeDefinitionCallback);
$routeInfo = $dispatcher->dispatch(
$request->getMethod(),
$request->getUri()->getPath(),
);
try {
switch ($routeInfo[0]) {
case Dispatcher::FOUND:
$handler = $routeInfo[1];
$vars = $routeInfo[2] ?? [];
foreach ($vars as $attributeName => $attributeValue) {
$request = $request->withAttribute($attributeName, $attributeValue);
}
$vars['request'] = $request;
$invoker = $container->get(InvokerInterface::class);
assert($invoker instanceof InvokerInterface);
$response = $invoker->call($handler, $vars);
assert($response instanceof ResponseInterface);
break;
case Dispatcher::METHOD_NOT_ALLOWED:
throw new MethodNotAllowed;
case Dispatcher::NOT_FOUND:
default:
throw new NotFound;
}
} catch (MethodNotAllowed) {
$response = $responseFactory->createResponse(405);
} catch (NotFound) {
$response = $responseFactory->createResponse(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();