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<?php
include("init.php");
include_once("classes.php");
if(isset($_GET['id'])){
	$mcrypt = new MCrypt();
	$response = array();
	$session = $mcrypt->decrypt($_GET['id']);
	$from = $mcrypt->decrypt($_GET['tid']);
	$message = "";
	$success = 0;
	/* Fetch the information */
	$con = db_connect();
	$sql = session($con,$session);
	if(db_rows($con,$sql)>0){
		/* fetch userid and create session token */
		$query = mysqli_query($con,$sql);
		while($row=mysqli_fetch_array($query)){
			$userid = $row['userid'];
		}
		/* check if user exist */
		if(!($from==$userid)){
			$sql = "select * from users where id=".intval($from);
			if(db_rows($con,$sql)>0){
				/* Check if this person hasn't subscribe to offer from this person */
				$sql = "select * from newsfeed_subscriptions where userid=".intval($from)." and subscriber=".intval($userid);
				if(db_rows($con,$sql)>0){
					$sql = "delete from newsfeed_subscriptions where userid=".intval($from)." and subscriber=".intval($userid);
					mysqli_query($con,$sql);
					$success = 1;
					$message = "You've successfully unsubscribed";
				}else{
					$message = "Server error";
				}
			}else{
				$message = "Server error.";
			}
		}else{
			$message = "Server error.";
		}
	}
	$response['success'] = $success;
	$response['message'] = $mcrypt->encrypt($message);
	echo json_encode($response);
	db_close($con);
}
?>