public function getLastMessageTimestampByUserIdList($userIdList)
{
$result = array();
$userId = OW::getUser()->getId();
$messageList = $this->messageDao->findLastMessageByConversationIdListAndUserIdList($userId, $userIdList);
foreach ($messageList as $message) {
if ($message['recipientId'] == $userId) {
$opponentId = $message['senderId'];
}
if ($message['senderId'] == $userId) {
$opponentId = $message['recipientId'];
}
if (isset($result[$opponentId])) {
if ($result[$opponentId] < (int) $message['timeStamp']) {
$result[$opponentId] = (int) $message['timeStamp'];
}
} else {
$result[$opponentId] = (int) $message['timeStamp'];
}
}
return $result;
}
