fall back to unseen items if no timestamp is available

diff --git a/mod/profile.php b/mod/profile.php
index 3e98906b346feb563384d504685dd614dd61f169..838a550944dc8a80120bedc8f4ee6e4b48a86a6d 100644 (file)
--- a/mod/profile.php
+++ b/mod/profile.php
@@ -210,13 +210,15 @@ function profile_content(App $a, $update = 0) {
 
 
        if ($update) {
+               $last_updated = (x($_SESSION['last_updated'], $last_updated_key) ? $_SESSION['last_updated'][$last_updated_key] : 0);
+
                // If the page user is the owner of the page we should query for unseen
                // items. Otherwise use a timestamp of the last succesful update request.
-               if ($is_owner) {
+               if ($is_owner || !$last_updated) {
                        $sql_extra4 = " AND `item`.`unseen`";
                } else {
-                       $last_updated = gmdate("Y-m-d H:i:s", $_SESSION['last_updated'][$last_updated_key]);
-                       $sql_extra4 = " AND `item`.`received` > '" . $last_updated . "'";
+                       $gmupdate = gmdate("Y-m-d H:i:s", $last_updated);
+                       $sql_extra4 = " AND `item`.`received` > '" . $gmupdate . "'";
                }
 
                $r = q("SELECT distinct(parent) AS `item_id`, `item`.`network` AS `item_network`, `item`.`created`