Allow including other snippets and update to symfony 6.4

src/Service/SnipParser/Pipeline.php

@@ -3,6 +3,7 @@
 namespace App\Service\SnipParser;
 
 use App\Service\SnipParser\Stages\HtmlEscapeStage;
+use App\Service\SnipParser\Stages\IncludeReferenceStage;
 use App\Service\SnipParser\Stages\UrlReferenceStage;
 use App\Service\SnipParser\Stages\ReplaceBlocksStage;
 use App\Service\SnipParser\Stages\ReplaceStage;
@@ -11,7 +12,8 @@ use League\Pipeline\PipelineBuilder;
 class Pipeline
 {
     public function __construct(
-        private readonly UrlReferenceStage $referenceStage,
+        private readonly UrlReferenceStage     $referenceStage,
+        private readonly IncludeReferenceStage $includeStage,
     ) {}
 
     public function parse(string $payload): string
@@ -23,6 +25,7 @@ class Pipeline
             ->add(new ReplaceBlocksStage('<pre><code class="hljs">', '</code></pre>', '```'))
             ->add(new ReplaceBlocksStage('<code class="hljs">', '</code>', '``'))
             ->add($this->referenceStage)
+            ->add($this->includeStage)
             ->build()
         ;
 

src/Service/SnipParser/Stages/IncludeReferenceStage.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Service\SnipParser\Stages;
+
+use App\Repository\SnipRepository;
+use App\Security\Voter\SnipVoter;
+use App\Service\SnipParser\Pipeline;
+use App\Service\SnipServiceFactory;
+use League\Pipeline\StageInterface;
+use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+
+class IncludeReferenceStage implements StageInterface
+{
+    public function __construct(
+        #[Autowire(lazy: true)] private readonly Security           $security,
+        #[Autowire(lazy: true)] private readonly SnipRepository     $snipRepository,
+        #[Autowire(lazy: true)] private readonly SnipServiceFactory $snipServiceFactory,
+        #[Autowire(lazy: true)] private readonly Pipeline           $pipeline,
+    ) {}
+
+    public function __invoke(mixed $payload): string
+    {
+        return $this->replaceReferences($payload);
+    }
+
+    private function replaceReferences(mixed $payload): string
+    {
+        // replaces all references (#n) to other snips with links
+        $pattern = '/\{\{(\d+)\}\}/';
+
+        return preg_replace_callback($pattern, function ($matches) {
+            $snip = $this->snipRepository->find($matches[1]);
+            if ($snip === null) {
+                return sprintf('<span title="not found">%s</span>', $matches[0]);
+            }
+            if (!$this->security->isGranted(SnipVoter::VIEW, $snip)) {
+                return sprintf('<span title="access denied">%s</span>', $matches[0]);
+            }
+
+            return $this->pipeline->parse($this->snipServiceFactory->create($snip)->get());
+        }, $payload);
+    }
+}

src/Service/SnipParser/Stages/UrlReferenceStage.php

@@ -6,14 +6,15 @@ use App\Repository\SnipRepository;
 use App\Security\Voter\SnipVoter;
 use League\Pipeline\StageInterface;
 use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
 class UrlReferenceStage implements StageInterface
 {
     public function __construct(
-        private readonly UrlGeneratorInterface $router,
-        private readonly Security              $security,
-        private readonly SnipRepository        $snipRepository,
+        #[Autowire(lazy: true)] private readonly UrlGeneratorInterface $router,
+        #[Autowire(lazy: true)] private readonly Security              $security,
+        #[Autowire(lazy: true)] private readonly SnipRepository        $snipRepository,
     ) {}
 
     public function __invoke(mixed $payload): string
@@ -27,7 +28,6 @@ class UrlReferenceStage implements StageInterface
         $pattern = '/#(\d+)/';
 
         return preg_replace_callback($pattern, function ($matches) {
-            dump($matches);
             $snip = $this->snipRepository->find($matches[1]);
             if ($snip === null) {
                 return sprintf('<span title="not found">%s</span>', $matches[0]);