package com.stylefeng.guns.modular.system.model.vo;
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import com.stylefeng.guns.modular.system.model.UserInfo;
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import lombok.Data;
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import java.math.BigDecimal;
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import java.util.Date;
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import java.util.Random;
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/**
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* 余额修改记录
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*
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* @author Lux
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* @version 1.0.0
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* @since 2026/6/23 15:06
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*/
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@Data
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public class BalanceModifyRecordVo {
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private Integer id;
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/**
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* 流水ID
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*/
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private String recordID;
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/**
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* 用户名称
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*/
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private String userName;
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/**
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* 用户手机号
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*/
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private String phone;
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/**
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* 用户id
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*/
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private Integer userId;
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/**
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* 1=增加，2=减少
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*/
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private Integer type;
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/**
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* '添加时间'
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*/
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private Date createTime;
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/**
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* '金额'
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*/
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private BigDecimal money;
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public static BalanceModifyRecordVo convert(UserInfo oldUser, UserInfo newUser) {
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Random random = new Random();
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StringBuilder result = new StringBuilder();
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for (int i = 0; i < 8; i++) {
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result.append(random.nextInt(10));
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}
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BalanceModifyRecordVo recordVo = new BalanceModifyRecordVo();
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recordVo.setRecordID(result.toString());
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recordVo.setUserName(newUser.getNickName());
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recordVo.setPhone(newUser.getPhone());
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recordVo.setUserId(newUser.getId());
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recordVo.setCreateTime(new Date());
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BigDecimal newBalance = newUser.getBalance() != null ? BigDecimal.valueOf(newUser.getBalance()) : BigDecimal.ZERO;
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BigDecimal oldBalance = oldUser.getBalance() != null ? BigDecimal.valueOf(oldUser.getBalance()) : BigDecimal.ZERO;
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BigDecimal amount = newBalance.subtract(oldBalance);
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// 判断方向
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if (amount.compareTo(BigDecimal.ZERO) == 0){
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return null;
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} else if (amount.compareTo(BigDecimal.ZERO) > 0) {
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recordVo.setType(1); // 增加金额(充值)
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recordVo.setMoney(amount);
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} else {
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recordVo.setType(2); // 减少金额，转为正数（消费）
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recordVo.setMoney(amount.abs());
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}
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return recordVo;
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}
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}
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