Proposal: Add HTML to Markdown conversion for Discord embeds

src/Models/Update.php

@@ -45,12 +45,64 @@ public function category()
         return $this->belongsTo(Category::class);
     }
 
+    public function convertHtmlToMarkdown($text)
+    {
+        // Convert <a> tags to Markdown links
+        $text = preg_replace_callback('/<a href="([^"]+)"[^>]*>(.*?)<\/a>/i', function ($matches) {
+            return '[' . $matches[2] . '](' . $matches[1] . ')';
+        }, $text);
+
+        // Convert <strong> to Markdown bold
+        $text = preg_replace('/<strong>(.*?)<\/strong>/i', '**$1**', $text);
+
+        // Convert <i> to Markdown italic
+        $text = preg_replace('/<i>(.*?)<\/i>/i', '*$1*', $text);
+
+        // Convert <h1> to <h6> into Markdown headings with a limit of 3 #
+        for ($i = 1; $i <= 6; $i++) {
+            $text = preg_replace('/<h' . $i . '[^>]*>(.*?)<\/h' . $i . '>/i', str_repeat('#', min($i, 3)) . ' $1', $text);
+        }
+
+        // Convert <ul> and <li> to Markdown lists
+        $text = preg_replace_callback('/<ul[^>]*>(.*?)<\/ul>/is', function ($matches) {
+            return preg_replace('/<li[^>]*>(.*?)<\/li>/is', '- $1', $matches[1]);
+        }, $text);
+
+        // Convert <ol> and <li> to numbered Markdown lists
+        $text = preg_replace_callback('/<ol[^>]*>(.*?)<\/ol>/is', function ($matches) {
+            $markdownList = '';
+            $items = preg_match_all('/<li[^>]*>(.*?)<\/li>/is', $matches[1], $liMatches);
+            foreach ($liMatches[1] as $index => $item) {
+                $markdownList .= ($index + 1) . '. ' . strip_tags($item) . PHP_EOL;
+            }
+            return $markdownList;
+        }, $text);
+
+        // Convert <blockquote> to Markdown blockquotes
+        $text = preg_replace('/<blockquote[^>]*>(.*?)<\/blockquote>/is', '> $1', $text);
+
+        // Convert <code> to Markdown inline code
+        $text = preg_replace('/<code>(.*?)<\/code>/is', '`$1`', $text);
+
+        // Convert <hr> to Markdown horizontal rule
+        $text = preg_replace('/<hr[^>]*>/i', '---', $text);
+
+        // Convert <br> and <br /> to new lines (\n)
+        $text = preg_replace('/<br\s*\/?>/i', "\n", $text);
+
+        // Remove all remaining HTML tags
+        $text = strip_tags($text);
+
+        return $text;
+    }    
+
     public function createDiscordWebhook(User $author): DiscordWebhook
     {
+
         $embed = Embed::create()
             ->title($this->name)
             ->author($author->name, null, $author->getAvatar())
-            ->description(Str::limit(strip_tags($this->description), 1995))
+            ->description(Str::limit($this->convertHtmlToMarkdown($this->description), 1995))
             ->url(route('changelog.categories.show', $this->category))
             ->footer($this->category->name)
             ->timestamp(now());