+ // 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 ($is_owner || !$last_updated) {
+ $sql_extra4 = " AND `item`.`unseen`";
+ } else {
+ $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`