Fixes size inside folder in the document tool see BT#4647

main/document/document.php

@@ -928,7 +928,6 @@ if (isset($docs_and_folders) && is_array($docs_and_folders)) {
         $invisibility_span_open = ($is_visible == 0) ? '<span class="muted">' : '';
         $invisibility_span_close = ($is_visible == 0) ? '</span>' : '';
 
-
         // Size (or total size of a directory)
         $size = $document_data['filetype'] == 'folder' ? get_total_folder_size($document_data['path'], $is_allowed_to_edit) : $document_data['size'];
 
@@ -1015,6 +1014,7 @@ if (isset($docs_and_folders) && is_array($docs_and_folders)) {
         $row[] = $last_edit_date;
         $row[] = $size;
         $row[] = $document_name;
+        
         $total_size = $total_size + $size;
 
         if ((isset($_GET['keyword']) && search_keyword($document_name, $_GET['keyword'])) || !isset($_GET['keyword']) || empty($_GET['keyword'])) {

main/inc/lib/fileDisplay.lib.php

@@ -234,19 +234,21 @@ function get_total_folder_size($path, $can_see_invisible = false) {
     $tool_document 		= TOOL_DOCUMENT;
     
     $course_id 			= api_get_course_int_id();
+    $session_id         = api_get_session_id();
+    $session_condition         = api_get_session_condition($session_id, true, false, 'id_session');
 
     $visibility_rule = 'props.visibility ' . ($can_see_invisible ? '<> 2' : '= 1');
-
+    
     $sql = "SELECT SUM(size) FROM $table_itemproperty AS props, $table_document AS docs
     		WHERE 	docs.c_id 	= $course_id AND
     				props.c_id 	= $course_id AND    		
     				docs.id 	= props.ref AND 
     				props.tool 	= '$tool_document' AND 
-    				path LIKE '$path/%' AND 
-    				$visibility_rule";
-
-    $result = Database::query($sql);
-    if($result && Database::num_rows($result) != 0) {
+    				path LIKE '$path/%' AND                     
+    				$visibility_rule 
+                    $session_condition ";
+    $result = Database::query($sql);    
+    if ($result && Database::num_rows($result) != 0) {
         $row = Database::fetch_row($result);
         return $row[0] == null ? 0 : $row[0];
     } else {