10-04-2026

app/Services/ProjectDocumentationContent.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace App\Services;
+
+use Carbon\Carbon;
+use Illuminate\Support\Str;
+use League\CommonMark\Environment\Environment;
+use League\CommonMark\Extension\CommonMark\CommonMarkCoreExtension;
+use League\CommonMark\Extension\GithubFlavoredMarkdownExtension;
+use League\CommonMark\MarkdownConverter;
+
+class ProjectDocumentationContent
+{
+    public static function markdownPath(): string
+    {
+        return base_path('dev/entwicklung.md');
+    }
+
+    public static function html(): string
+    {
+        $mdPath = self::markdownPath();
+
+        if (! file_exists($mdPath)) {
+            return '<p class="text-red-600">Dokumentation nicht gefunden.</p>';
+        }
+
+        $markdown = file_get_contents($mdPath);
+
+        $environment = new Environment([
+            'html_input' => 'allow',
+            'allow_unsafe_links' => false,
+        ]);
+
+        $environment->addExtension(new CommonMarkCoreExtension);
+        $environment->addExtension(new GithubFlavoredMarkdownExtension);
+
+        $converter = new MarkdownConverter($environment);
+
+        return $converter->convert($markdown)->getContent();
+    }
+
+    /**
+     * @return list<array{level: int, title: string, slug: string}>
+     */
+    public static function tableOfContents(): array
+    {
+        $mdPath = self::markdownPath();
+
+        if (! file_exists($mdPath)) {
+            return [];
+        }
+
+        $markdown = file_get_contents($mdPath);
+        $toc = [];
+
+        preg_match_all('/^(#{2,3})\s+(.+)$/m', $markdown, $matches, PREG_SET_ORDER);
+
+        foreach ($matches as $match) {
+            $level = strlen($match[1]);
+            $title = trim($match[2]);
+            $slug = Str::slug($title);
+
+            $toc[] = [
+                'level' => $level,
+                'title' => $title,
+                'slug' => $slug,
+            ];
+        }
+
+        return $toc;
+    }
+
+    /**
+     * @return array{size: string, modified: string, lines: int}|null
+     */
+    public static function fileInfo(): ?array
+    {
+        $mdPath = self::markdownPath();
+
+        if (! file_exists($mdPath)) {
+            return null;
+        }
+
+        return [
+            'size' => round(filesize($mdPath) / 1024, 1).' KB',
+            'modified' => Carbon::parse(filemtime($mdPath))->format('d.m.Y H:i'),
+            'lines' => count(file($mdPath)),
+        ];
+    }
+}