add chapter 12 solutions

implementation/12/src/Bootstrap.php

@@ -0,0 +1,109 @@
+<?php declare(strict_types=1);
+
+namespace Lubian\NoFramework;
+
+use FastRoute\Dispatcher;
+use Invoker\InvokerInterface;
+use Laminas\Diactoros\Response;
+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 getenv;
+use function header;
+use function sprintf;
+use function strtolower;
+
+use const E_ALL;
+
+require __DIR__ . '/../vendor/autoload.php';
+
+$config = require __DIR__ . '/../config/settings.php';
+assert($config instanceof Configuration);
+$environment = $config->environment;
+
+error_reporting(E_ALL);
+
+$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();
+
+$container = require __DIR__ . '/../config/container.php';
+assert($container instanceof ContainerInterface);
+
+$request = $container->get(ServerRequestInterface::class);
+assert($request instanceof ServerRequestInterface);
+
+$dispatcher = $container->get(Dispatcher::class);
+assert($dispatcher instanceof Dispatcher);
+
+$routeInfo = $dispatcher->dispatch($request->getMethod(), $request->getUri() ->getPath(),);
+
+try {
+    switch ($routeInfo[0]) {
+        case Dispatcher::FOUND:
+            $routeTarget = $routeInfo[1];
+            $args = $routeInfo[2];
+            foreach ($routeInfo[2] as $attributeName => $attributeValue) {
+                $request = $request->withAttribute($attributeName, $attributeValue);
+            }
+            $args['request'] = $request;
+            $invoker = $container->get(InvokerInterface::class);
+            assert($invoker instanceof InvokerInterface);
+            $response = $invoker->call($routeTarget, $args);
+            assert($response instanceof ResponseInterface);
+            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();