Allow show 'Read more' link when adding page-break to blog post - refs BT#12324

main/inc/lib/api.lib.php

@@ -613,6 +613,8 @@ define('MAX_ONLINE_USERS', 12);
 
 // Number of characters maximum to show in preview of course blog posts
 define('BLOG_MAX_PREVIEW_CHARS', 800);
+// HTML string to replace with a 'Read more...' link
+define('BLOG_PAGE_BREAK', '<div style="page-break-after: always"><span style="display: none;">&nbsp;</span></div>');
 
 // Make sure the CHAMILO_LOAD_WYSIWYG constant is defined
 // To remove CKeditor libs from HTML, set this constant to true before loading

main/inc/lib/blog.lib.php

@@ -3075,6 +3075,12 @@ class Blog
      */
     private static function getPostExtract($fullText, $length = BLOG_MAX_PREVIEW_CHARS)
     {
+        $parts = explode(BLOG_PAGE_BREAK, $fullText);
+
+        if (count($parts) > 1) {
+            return $parts[0];
+        }
+
         // Remove any HTML from the string
         $text = strip_tags($fullText);
         $text = api_html_entity_decode($text);