src/main/java/com/example/g8backend/dto/AnnounceRequestDTO.java

package com.example.g8backend.dto;

import lombok.Data;

@Data
public class AnnounceRequestDTO {
    private String passkey;
    private String infoHash;
    private String peerId;
    private int port;
    private double uploaded;
    private double downloaded;
    private Double left;      // 改成 Double，允许为 null
    private Integer compact;  // 可选
    private String event;     // 可选
    private String ip;

    public double safeLeft() {
        return this.left != null ? this.left : 0.0;
    }
}