Helper::warnLog('Error. Session no longer exists. ' . $e->getMessage()); $ex = new BadRequestException(); $ex->setBody($request->getRawRequest()); throw $ex; } $command = $request->getParam('command'); switch ($command) { case 'sync_ops': $seqHead = (string) $request->getParam('args/seq_head'); if (!is_null($seqHead)) { $ops = $request->getParam('args/client_ops'); $hasOps = is_array($ops) && count($ops) > 0; $op = new Db\Op(); $currentHead = $op->getHeadSeq($esId); try { $member->updateActivity($memberId); } catch (\Exception $e) { //Db error. Not critical } // TODO handle the case ($currentHead == "") && ($seqHead != "") if ($seqHead == $currentHead) { // matching heads if ($hasOps) { // incoming ops without conflict // Add incoming ops, respond with a new head $newHead = Db\Op::addOpsArray($esId, $memberId, $ops); $response["result"] = 'added'; $response["head_seq"] = $newHead ? $newHead : $currentHead; } else { // no incoming ops (just checking for new ops...) $response["result"] = 'new_ops';