Add custom twig extension with path functions

src/Service/SnipParser/Twig/SnipTwigExtension.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Service\SnipParser\Twig;
+
+use App\Repository\SnipRepository;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+use Symfony\Component\Routing\RouterInterface;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+class SnipTwigExtension extends AbstractExtension
+{
+    public function __construct(
+        #[Autowire(lazy: true)] private readonly RouterInterface $router,
+        #[Autowire(lazy: true)] private readonly SnipRepository  $snipRepo,
+    ) {}
+
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('snipPath', $this->snipPath(...)),
+            new TwigFunction('snipLink', $this->snipLink(...), [
+                'is_safe' => ['html'],
+            ]),
+        ];
+    }
+
+    function snipPath(int $id): string
+    {
+        return $this->router->generate('snip_single', [
+            'snip' => $id,
+        ]);
+    }
+
+    function snipLink(int $id): string
+    {
+        $snip = $this->snipRepo->find($id);
+        return sprintf('<a class="btn btn-sm btn-primary" href="%s">%s</a>', $this->snipPath($id), $snip);
+    }
+}

src/Service/SnipParser/Twig/TwigParser.php

@@ -11,6 +11,7 @@ class TwigParser extends AbstractParser
 {
     public function __construct(
         private readonly SnipLoader $snipLoader,
+        private readonly SnipTwigExtension $snipTwigExtension,
     ) {}
 
     public function safeParseView(string $content): string
@@ -22,6 +23,7 @@ class TwigParser extends AbstractParser
             $this->snipLoader,
         ]);
         $twig = new Environment($loader);
+        $twig->addExtension($this->snipTwigExtension);
 
         return $twig->render('index');
     }

templates/base/navbar.html.twig

@@ -1,6 +1,6 @@
 <nav class="navbar navbar-expand-md navbar-dark bg-dark" style="z-index: 1;">
     <div class="container-fluid">
-        <a title="BlueLinked Eco System" class="navbar-brand" href="{{ path('home') }}">SNIPS</a>
+        <a title="Snips" class="navbar-brand" href="{{ path('home') }}">SNIPS</a>
         <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar"
                 aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
             <span class="navbar-toggler-icon"></span>