Various fixes for the blog and editor. As well as finally adding in the carousel!

Signed-off-by: rodude123 <rodude123@gmail.com>

dist/api/blog/blogData.php

@@ -673,9 +673,17 @@ EOD;
      */
     public function changeHTMLSrc(string $body, string $to, string $from): string
     {
+//        $body = preg_replace_callback('/>([^<]+)</', function($matches) {
+//            // Convert special characters to HTML entities
+//            return '>' . htmlentities(trim($matches[1]), ENT_QUOTES | ENT_HTML5, 'UTF-8') . '<';
+//        }, $body);
+
         $htmlDoc = new DOMDocument();
-        $body = mb_convert_encoding($body, "HTML-ENTITIES", "UTF-8");
-        $htmlDoc->loadHTML($body, LIBXML_NOERROR);
+
+        // Load the raw HTML content into DOMDocument
+        @$htmlDoc->loadHTML($body, LIBXML_NOERROR);
+
+        // Get the body and process images
         $doc = $htmlDoc->getElementsByTagName('body')->item(0);
         $imgs = $doc->getElementsByTagName('img');
 
@@ -688,9 +696,11 @@ EOD;
             $srcList[] = $src;
             $fileName = basename($src);
 
+            // Update the src attribute to the new location
             $img->setAttribute("src", substr($to, 2) . $fileName);
         }
 
+        // Rename files and clean up old ones
         $files = scandir($from);
         foreach ($files as $file)
         {
@@ -706,15 +716,36 @@ EOD;
             }
         }
 
+        // Process the HTML content for output
         $newBody = '';
         foreach ($doc->childNodes as $node)
         {
-            $newHTML = $htmlDoc->saveHTML($node);
-            $newBody .= mb_convert_encoding($newHTML, "UTF-8", mb_detect_encoding($newHTML));
+            // Only convert text nodes to HTML entities
+            if ($node->nodeType === XML_TEXT_NODE)
+            {
+                $newBody .= $this->convertToHtmlEntities($node->nodeValue); // Convert text nodes
+            }
+            else
+            {
+                $newBody .= $htmlDoc->saveHTML($node); // Keep HTML tags intact
+            }
         }
+
         return $newBody;
     }
 
+    /**
+     * Convert all characters in a string to HTML entities while leaving HTML tags intact.
+     * @param string $text - The text to convert
+     * @return string - The converted text with HTML entities
+     */
+    private function convertToHtmlEntities(string $text): string
+    {
+        // Convert characters to HTML entities using mb_encode_numericentity
+        return htmlentities($text, ENT_QUOTES | ENT_HTML5, 'UTF-8');
+    }
+
+
     /**
      * Get all posts with the given category
      * @param string $category - Category of the post