implement view feature

Author: miladrahimi

src/Router.php

@@ -12,8 +12,10 @@
 use MiladRahimi\PhpRouter\Routing\Route;
 use MiladRahimi\PhpRouter\Routing\Storekeeper;
 use MiladRahimi\PhpRouter\Routing\Repository;
-use MiladRahimi\PhpRouter\Services\HttpPublisher;
-use MiladRahimi\PhpRouter\Services\Publisher;
+use MiladRahimi\PhpRouter\Publisher\HttpPublisher;
+use MiladRahimi\PhpRouter\View\PhpView;
+use MiladRahimi\PhpRouter\Publisher\Publisher;
+use MiladRahimi\PhpRouter\View\View;
 use Psr\Container\ContainerInterface;
 use Laminas\Diactoros\ServerRequestFactory;
 
@@ -97,6 +99,19 @@ public static function create(): self
         return $container->instantiate(Router::class);
     }
 
+    /**
+     * Setup (enable) View
+     * @link View
+     *
+     * @param string $directory
+     */
+    public function setupView(string $directory): void
+    {
+        $this->container->singleton(View::class, function () use ($directory) {
+            return new PhpView($directory);
+        });
+    }
+
     /**
      * Group routes with the given common attributes
      *

src/View/PhpView.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace MiladRahimi\PhpRouter\View;
+
+use Laminas\Diactoros\Response\EmptyResponse;
+
+/**
+ * Class PhpView
+ * It makes views from PHP and HTML/PHP files
+ *
+ * @package MiladRahimi\PhpRouter\Services
+ */
+class PhpView implements View
+{
+    /**
+     * The root directory of view files
+     *
+     * @var string
+     */
+    private $directory;
+
+    /**
+     * Constructor
+     *
+     * @param string $directory
+     */
+    public function __construct(string $directory)
+    {
+        $this->directory = $directory;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function make(string $name, array $data = [], int $httpStatus = 200, array $httpHeaders = [])
+    {
+        $file = str_replace('.', DIRECTORY_SEPARATOR, $name) . '.phtml';
+        $path = join('/', [$this->directory, $file]);
+
+        http_response_code($httpStatus);
+
+        foreach ($httpHeaders as $name => $values) {
+            @header($name . ': ' . $values);
+        }
+
+        extract($data);
+
+        /** @noinspection PhpIncludeInspection */
+        require $path;
+
+        return null;
+    }
+}

src/View/View.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace MiladRahimi\PhpRouter\View;
+
+/**
+ * Interface View
+ * It makes views
+ *
+ * @package MiladRahimi\PhpRouter\Services
+ */
+interface View
+{
+    /**
+     * Make a view
+     *
+     * @param string $name
+     * @param array $data
+     * @param int $httpStatus
+     * @param string[] $httpHeaders
+     * @return mixed
+     */
+    public function make(string $name, array $data = [], int $httpStatus = 200, array $httpHeaders = []);
+}

tests/Features/ViewTest.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace MiladRahimi\PhpRouter\Tests\Features;
+
+use MiladRahimi\PhpRouter\Router;
+use MiladRahimi\PhpRouter\Tests\TestCase;
+use MiladRahimi\PhpRouter\View\View;
+use Throwable;
+
+class ViewTest extends TestCase
+{
+    /**
+     * @throws Throwable
+     */
+    public function test_with_the_sample_view()
+    {
+        ob_start();
+
+        $router = Router::create();
+        $router->setupView(__DIR__ . '/../resources/views');
+
+        $router->get('/', function(View $view) {
+            return $view->make('sample', ['user' => 'Milad']);
+        });
+        $router->dispatch();
+
+        $this->assertEquals('<h1>Hello Milad</h1>', ob_get_clean());
+    }
+
+    /**
+     * @throws Throwable
+     */
+    public function test_with_the_sample_view_and_status_201_and_headers()
+    {
+        ob_start();
+
+        $router = Router::create();
+        $router->setupView(__DIR__ . '/../resources/views');
+
+        $router->get('/', function(View $view) {
+            return $view->make('sample', ['user' => 'Milad'], 201, [
+                'X-Powered-By' => 'PhpRouter Test',
+            ]);
+        });
+        $router->dispatch();
+
+        $this->assertEquals('<h1>Hello Milad</h1>', ob_get_clean());
+        $this->assertEquals(201, http_response_code());
+    }
+}

tests/resources/views/sample.phtml

@@ -0,0 +1 @@
+<h1>Hello <?php echo $user; ?></h1>