require_once "handlers/UserHandler.php";
require_once "handlers/ChatHandler.php";
$action = $_GET["action"];
if ($action == "get_active_users") {
// get users that have been active in the last 30 seconds
$data = UserHandler::getActiveUsers();
} else {
if ($action == "logout") {
SessionsHandler::destroySession();
SessionsHandler::redirect("login.php");
} else {
if ($action == "post") {
if (isset($_GET["chat_id"]) && isset($_GET["msg"])) {
$chat_id = $_GET["chat_id"];
$message = $_GET["msg"];
$data = ChatHandler::insertMessage(UserHandler::getCurrentUserId(), $chat_id, $message);
}
} else {
if ($action == "get") {
if (isset($_GET["chat_id"]) && isset($_GET["reload"])) {
$chat_id = $_GET["chat_id"];
$reload = $_GET["reload"];
$data = ChatHandler::getLatestMessages(UserHandler::getCurrentUserId(), $chat_id, $reload);
}
} else {
if ($action == "change") {
if (isset($_GET["partner_id"])) {
$partner_id = $_GET["partner_id"];
if ($partner_id != ChatHandler::PUBLIC_CHAT_ID) {
$data = ChatHandler::getPrivateChat(UserHandler::getCurrentUserId(), $partner_id);
} else {
