include_once "./Manager/ConnectionManager.php";
include_once "./Manager/RewardManager.php";
if (!isset($_SESSION)) {
session_start();
}
$rewardMgr = new RewardManager();
/*
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* and open the template in the editor.
*/
$operation = $_GET["operation"];
//echo $operation;
if ($operation === "remove") {
$code = $_GET["code"];
$rewardMgr->removeRewardCode($code);
header("Location: admin.php");
} else {
if ($operation === "create") {
$number = $_POST['numberOfCode'];
$rewardMgr->createRewardCode($number);
header("Location: admin.php");
} else {
if ($operation === "check") {
$userid = null;
$userid = $_SESSION["userid"];
$code = addslashes(filter_input(INPUT_POST, 'code'));
$exist = $rewardMgr->checkCode($code);
$used = $rewardMgr->checkHistory($userid, $code);
if ($exist === false || $used === true) {
$arr = array();
