<?php
include 'DBfunctions.php';
$dbFunctions = new DBFunctions();
$response = array();
if (isset($_POST['action']) && $_POST['action'] != '') {
$action = $_POST['action'];
if ($action == 'join') {
$username_ = $_POST['username'];
$result = $dbFunctions->isUserExists($username_);
//Check if user exist
if ($result == true) {
//If user exist, Check if user expired
$result = $dbFunctions->isUserExpired($username_);
if ($result == true) {
//If user expired, delete user entry
$result = $dbFunctions->deleteUser($username_);
if ($result == true) {
//If delete is successful, add username as a new entry
$result = $dbFunctions->addUser($username_);
if ($result == true) {
$response["success"] = true;
$response["uid"] = $result["uid"];
$response["username"] = $result["username"];
echo json_encode($response);
} else {
$response["success"] = false;
$response["errorMsg"] = "Failed to create username. Please try again.";
echo json_encode($response);
}
} else {
