<?php
if (isset($_REQUEST['checking_api_file'])){
    exit();
}
function is_alert_opened($uid,$msg_id){
	global $wpdb;
	$res = $wpdb->get_row($wpdb->prepare("select id from keylab_alert_opened where uid = %d and msg_id = %d",$uid,$msg_id));
	return $res != null;
}
date_default_timezone_set('Asia/Hong_Kong');
$uid = $_REQUEST['uid'];
$msg_id = $_REQUEST['msg_id'];
if(empty($uid)||empty($msg_id)){
	$rv->rc = -1;
	$rv->msg = "missing params";
}else{
	if(is_alert_opened($uid,$msg_id)){
		$rv->rc = -2;
		$rv->msg = "is opened";
	}else{
		$res = $wpdb->insert(
			'keylab_alert_opened',
			array(
				'uid'=>$uid,
				'msg_id'=>$msg_id,
				'creation_time'=>current_time( 'mysql' )
			),
			array('%d','%d','%s')
		);
		if($res===false){
			$rv->rc = -3;
			$rv->msg = "failed to insert a row";
		}else{
			$rv->rc = 1;
			$rv->msg = "success";
		}
	}
}
echo json_encode($rv);
?>