Implement router

.gitignore

@@ -28,4 +28,4 @@ phpunit.phar
 /phpunit.xml
 # phpunit cache
 .phpunit.result.cache
-/phpunit.cache
+.phpunit.cache

README.md

@@ -2,18 +2,18 @@
     <a href="https://github.com/yiisoft" target="_blank">
         <img src="https://yiisoft.github.io/docs/images/yii_logo.svg" height="100px">
     </a>
-    <h1 align="center">Yii _____</h1>
+    <h1 align="center">File Router</h1>
     <br>
 </p>
 
-[![Latest Stable Version](https://poser.pugx.org/yiisoft/_____/v/stable.png)](https://packagist.org/packages/yiisoft/_____)
-[![Total Downloads](https://poser.pugx.org/yiisoft/_____/downloads.png)](https://packagist.org/packages/yiisoft/_____)
-[![Build status](https://github.com/yiisoft/_____/workflows/build/badge.svg)](https://github.com/yiisoft/_____/actions?query=workflow%3Abuild)
-[![Code Coverage](https://codecov.io/gh/yiisoft/_____/branch/master/graph/badge.svg)](https://codecov.io/gh/yiisoft/_____)
-[![Mutation testing badge](https://img.shields.io/endpoint?style=flat&url=https%3A%2F%2Fbadge-api.stryker-mutator.io%2Fgithub.com%2Fyiisoft%2F_____%2Fmaster)](https://dashboard.stryker-mutator.io/reports/github.com/yiisoft/_____/master)
-[![static analysis](https://github.com/yiisoft/_____/workflows/static%20analysis/badge.svg)](https://github.com/yiisoft/_____/actions?query=workflow%3A%22static+analysis%22)
-[![type-coverage](https://shepherd.dev/github/yiisoft/_____/coverage.svg)](https://shepherd.dev/github/yiisoft/_____)
-[![psalm-level](https://shepherd.dev/github/yiisoft/_____/level.svg)](https://shepherd.dev/github/yiisoft/_____)
+[![Latest Stable Version](https://poser.pugx.org/yiisoft/file-router/v/stable.png)](https://packagist.org/packages/yiisoft/file-router)
+[![Total Downloads](https://poser.pugx.org/yiisoft/file-router/downloads.png)](https://packagist.org/packages/yiisoft/file-router)
+[![Build status](https://github.com/yiisoft/file-router/workflows/build/badge.svg)](https://github.com/yiisoft/file-router/actions?query=workflow%3Abuild)
+[![Code Coverage](https://codecov.io/gh/yiisoft/file-router/branch/master/graph/badge.svg)](https://codecov.io/gh/yiisoft/file-router)
+[![Mutation testing badge](https://img.shields.io/endpoint?style=flat&url=https%3A%2F%2Fbadge-api.stryker-mutator.io%2Fgithub.com%2Fyiisoft%fFFile-router%2Fmaster)](https://dashboard.stryker-mutator.io/reports/github.com/yiisoft/file-router/master)
+[![static analysis](https://github.com/yiisoft/file-router/workflows/static%20analysis/badge.svg)](https://github.com/yiisoft/file-router/actions?query=workflow%3A%22static+analysis%22)
+[![type-coverage](https://shepherd.dev/github/yiisoft/file-router/coverage.svg)](https://shepherd.dev/github/yiisoft/file-router)
+[![psalm-level](https://shepherd.dev/github/yiisoft/file-router/level.svg)](https://shepherd.dev/github/yiisoft/file-router)
 
 The package ...
 
@@ -26,7 +26,7 @@ The package ...
 The package could be installed with composer:
 
 ```shell
-composer require yiisoft/_____
+composer require yiisoft/file-router
 ```
 
 ## General usage
@@ -74,7 +74,7 @@ Use [ComposerRequireChecker](https://github.com/maglnet/ComposerRequireChecker)
 
 ## License
 
-The Yii _____ is free software. It is released under the terms of the BSD License.
+The File Router is free software. It is released under the terms of the BSD License.
 Please see [`LICENSE`](./LICENSE.md) for more information.
 
 Maintained by [Yii Software](https://www.yiiframework.com/).

composer.json

@@ -1,19 +1,23 @@
 {
-    "name": "yiisoft/_____",
+    "name": "yiisoft/file-router",
     "type": "library",
-    "description": "_____",
+    "description": "File based router",
     "keywords": [
-        "_____"
+        "file-router",
+        "router",
+        "routing",
+        "convention-router",
+        "structure-router"
     ],
     "homepage": "https://www.yiiframework.com/",
     "license": "BSD-3-Clause",
     "support": {
-        "issues": "https://github.com/yiisoft/_____/issues?state=open",
+        "issues": "https://github.com/yiisoft/file-router/issues?state=open",
         "forum": "https://www.yiiframework.com/forum/",
         "wiki": "https://www.yiiframework.com/wiki/",
         "irc": "ircs://irc.libera.chat:6697/yii",
         "chat": "https://t.me/yii3en",
-        "source": "https://github.com/yiisoft/_____"
+        "source": "https://github.com/yiisoft/file-router"
     },
     "funding": [
         {
@@ -28,24 +32,31 @@
     "minimum-stability": "dev",
     "prefer-stable": true,
     "require": {
-        "php": "^8.1"
+        "php": "^8.1",
+        "psr/http-message": "^2.0",
+        "psr/http-server-middleware": "^1.0",
+        "yiisoft/middleware-dispatcher": "^5.2"
     },
     "require-dev": {
+        "httpsoft/http-message": "^1.1",
+        "httpsoft/http-response": "^1.1",
         "maglnet/composer-require-checker": "^4.7",
         "phpunit/phpunit": "^10.5",
         "rector/rector": "^0.18.11",
         "roave/infection-static-analysis-plugin": "^1.34",
         "spatie/phpunit-watcher": "^1.23",
-        "vimeo/psalm": "^5.16"
+        "vimeo/psalm": "^5.16",
+        "yiisoft/strings": "^2.4",
+        "yiisoft/test-support": "^3.0"
     },
     "autoload": {
         "psr-4": {
-            "Yiisoft\\_____\\": "src"
+            "Yiisoft\\FileRouter\\": "src"
         }
     },
     "autoload-dev": {
         "psr-4": {
-            "Yiisoft\\_____\\Tests\\": "tests"
+            "Yiisoft\\FileRouter\\Tests\\": "tests"
         }
     },
     "config": {

config/web.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+use Psr\Container\ContainerInterface;
+use Psr\EventDispatcher\EventDispatcherInterface;
+use Yiisoft\FileRouter\FileRouter;
+use Yiisoft\Middleware\Dispatcher\MiddlewareDispatcher;
+use Yiisoft\Middleware\Dispatcher\MiddlewareFactory;
+
+return [
+    FileRouter::class => function (ContainerInterface $container) {
+        $eventDispatcher = $container->has(EventDispatcherInterface::class)
+            ? $container->get(EventDispatcherInterface::class)
+            : null;
+
+        $middlewareFactory = $container->get(MiddlewareFactory::class);
+
+        return new FileRouter(new MiddlewareDispatcher($middlewareFactory, $eventDispatcher));
+    },
+];

src/FileRouter.php

@@ -0,0 +1,110 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\FileRouter;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+use Yiisoft\Middleware\Dispatcher\MiddlewareDispatcher;
+use Yiisoft\Strings\StringHelper;
+
+final class FileRouter implements MiddlewareInterface
+{
+    public string $baseControllerDirectory = 'Controller';
+    public string $classPostfix = 'Controller';
+    public string $namespace = 'App';
+
+    public function __construct(
+        private readonly MiddlewareDispatcher $middlewareDispatcher,
+    ) {
+    }
+
+    public function withBaseControllerDirectory(string $directory): self
+    {
+        $new = clone $this;
+        $new->baseControllerDirectory = $directory;
+
+        return $new;
+    }
+
+    public function withClassPostfix(string $postfix): self
+    {
+        $new = clone $this;
+        $new->classPostfix = $postfix;
+
+        return $new;
+    }
+
+    public function withNamespace(string $namespace): self
+    {
+        $new = clone $this;
+        $new->namespace = $namespace;
+
+        return $new;
+    }
+
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
+    {
+        $controllerClass = $this->parseController($request);
+        if ($controllerClass === null) {
+            return $handler->handle($request);
+        }
+        $action = $this->parseAction($request);
+
+        if (!method_exists($controllerClass, $action)) {
+            return $handler->handle($request);
+        }
+
+        $middlewares = $controllerClass::$middlewares[$action] ?? [];
+        $middlewares[] = [$controllerClass, $action];
+
+        $middlewareDispatcher = $this->middlewareDispatcher->withMiddlewares($middlewares);
+
+        return $middlewareDispatcher->dispatch($request, $handler);
+    }
+
+    private function parseAction(ServerRequestInterface $request): ?string
+    {
+        return match ($request->getMethod()) {
+            'HEAD', 'GET' => 'index',
+            'POST' => 'create',
+            'PUT' => 'update',
+            'DELETE' => 'delete',
+            default => throw new \Exception('Not implemented.'),
+        };
+    }
+
+    private function parseController(ServerRequestInterface $request): mixed
+    {
+        $path = $request->getUri()->getPath();
+        if ($path === '/') {
+            $controllerName = 'Index';
+            $directoryPath = '';
+        } else {
+            $controllerName = preg_replace_callback(
+                '#(/.)#',
+                fn(array $matches) => strtoupper($matches[1]),
+                $path,
+            );
+            $directoryPath = StringHelper::directoryName($controllerName);
+
+            $controllerName = StringHelper::basename($controllerName);
+        }
+
+        $controller = $controllerName . $this->classPostfix;
+        $className = str_replace(
+            ['/', '\\\\'],
+            ['\\', '\\'],
+            $this->namespace . '\\' . $this->baseControllerDirectory . '\\' . $directoryPath . '\\' . $controller
+        );
+
+        if (class_exists($className)) {
+            return $className;
+        }
+
+        return null;
+    }
+}