package com.yutons.response;

import lombok.Data;

import java.io.Serializable;
import java.time.LocalDateTime;

/**
 * @author yutons
 * @desc 返回对象包装类(带泛型)
 * <p>ResultBean/PageResultBean是controller专用的，不允许往后传！</p>
 * @date 2018/5/20 14:41
 */
@Data
public class ResultBean<T> implements Serializable {
    /**
     * 操作是否成功
     */
    boolean success;
    /**
     * 操作代码
     */
    int code;
    /**
     * 提示信息
     */
    String message;

    String url;
    /**
     * 异常时间
     */
    String date;
    /**
     * 总条数
     */
    private long count = 0;
    /**
     * 返回的数据
     */
    private T data;

    //无参构造封装成功参数
    public ResultBean() {
        setResultCode(ResultCode.SUCCESS);
    }

    //封装resultCode
    public ResultBean(ResultCode resultCode) {
        setResultCode(resultCode);
    }


    //已知异常自定义消息（500/404等）
    public ResultBean(ResultCode resultCode, String message) {
        setResultCode(resultCode);
        this.message=message;
    }
    //封装数据，默认封装resultCode.SUCCESS
    public ResultBean(T t) {
        setResultCode(ResultCode.SUCCESS);
        this.data = t;
    }

    //封装分页
    public ResultBean(T lists,long total){
        setResultCode(ResultCode.SUCCESS);
        this.data=lists;
        this.count=total;
    }

    //封装未知异常
    public ResultBean(Throwable e) {
        setResultCode(ResultCode.UNKNOWN_EXCEPTION);
        this.message+=e.getMessage();
    }

    private void setResultCode(ResultCode resultCode) {
        this.success = resultCode.success;
        this.code = resultCode.code;
        this.message = resultCode.message;
        this.date = LocalDateTime.now().toString();
    }
}