Show images on the documentation page

src/Controller/PageAction.php

@@ -15,6 +15,7 @@
 
 use Mobizel\Bundle\MarkdownDocsBundle\Context\ReaderContextInterface;
 use Mobizel\Bundle\MarkdownDocsBundle\DataProvider\PageItemDataProvider;
+use Mobizel\Bundle\MarkdownDocsBundle\Dto\ImageResponse;
 use Mobizel\Bundle\MarkdownDocsBundle\Event\PageEvent;
 use Mobizel\Bundle\MarkdownDocsBundle\Helper\RouteHelperInterface;
 use Mobizel\Bundle\MarkdownDocsBundle\PageEvents;
@@ -51,6 +52,12 @@ public function __invoke(Request $request, string $slug): Response
     {
         $context = $this->readerContext->getContext();
 
+        /// send image response if page ends with .jpeg ("foo/page.jpg" should be send as image )
+        if( $this->isJpegImage($slug)
+            && file_exists($context->getDocsDir($request).DIRECTORY_SEPARATOR.$slug)){
+            $image = file_get_contents($context->getDocsDir($request).DIRECTORY_SEPARATOR.$slug);
+            return new ImageResponse($image,200);
+        }
         // redirect a suffixed page ("foo/bar.md" should be redirected to "foo/bar")
         if (false !== strpos($slug, '.md')) {
             /** @var string $slug */
@@ -68,7 +75,6 @@ public function __invoke(Request $request, string $slug): Response
         }
 
         $page = $this->pageItemDataProvider->getPage($request);
-
         if (null === $page) {
             throw new NotFoundHttpException(sprintf('Page "%s" was not found', $slug));
         }
@@ -79,4 +85,12 @@ public function __invoke(Request $request, string $slug): Response
             'page' => $page,
         ]);
     }
+
+
+    private function isJpegImage(string $slug): bool
+    {
+        $chunks = explode(".",$slug);
+        $extension = end($chunks);
+        return "jpeg" === $extension;
+    }
 }

src/Dto/ImageResponse.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Mobizel\Bundle\MarkdownDocsBundle\Dto;
+
+use Symfony\Component\HttpFoundation\Response;
+
+class ImageResponse extends Response
+{
+    public function __construct(?string $content = '', int $status = 200, array $headers = [])
+    {
+        $headers = array_merge($headers,
+            [
+                "Content-Type"=>"image/jpeg"
+            ]
+        );
+        parent::__construct($content, $status, $headers);
+    }
+}

tests/Controller/PageActionTest.php

@@ -47,6 +47,18 @@ public function testShowPage(): void
         $this->assertSelectorTextSame('html h1', 'Documentation');
     }
 
+    public function testImage():void
+    {
+        $client = static::createClient();
+
+        $client->request("GET","/current/products/books/stephen-king/img1.jpeg");
+        $this->assertEquals(200, $client->getResponse()->getStatusCode());
+        $client->request("GET","/current/products/../products/books/stephen-king/img1.jpeg");
+        $this->assertEquals(200, $client->getResponse()->getStatusCode());
+        $client->request("GET","/current/not-found.jpeg");
+        $this->assertEquals(404, $client->getResponse()->getStatusCode());
+    }
+
     public function testShowPageWithContextContainingOneRequirement(): void
     {
         $client = static::createClient();