miaosha/miaosha-admin/miaosha-admin-api/src/main/java/com/geekq/admin/entity/Account.java

package com.geekq.admin.entity;

import com.geekq.common.utils.md5.MD5Utils;
import com.geekq.common.utils.numcal.BidConst;
import lombok.Getter;
import lombok.Setter;
import org.apache.ibatis.type.Alias;

import java.math.BigDecimal;

/**
 * 用户的帐户信息账户 一个LoginInfo 对应一个UserInfo对应一个Account
 *
 * @author 邱润泽
 */
@Getter
@Setter
@Alias("Account")
public class Account extends BaseDomain {
    private static final long serialVersionUID = 6760287512112252557L;
    private int version;
    private String tradePassword; // 交易密码
    private BigDecimal usableAmount = BidConst.ZERO; // 可用余额
    private BigDecimal freezedAmount = BidConst.ZERO; // 冻结金额
    private BigDecimal unReceiveInterest = BidConst.ZERO; // 账户待收利息
    private BigDecimal unReceivePrincipal = BidConst.ZERO; // 账户待收本金
    private BigDecimal unReturnAmount = BidConst.ZERO; // 账户待还金额
    private BigDecimal remainBorrowLimit = BidConst.ZERO; // 账户剩余授信额度
    private BigDecimal borrowLimitAmount; // 授信额度（当前还可以信用借款额度）

    private String abstractInfo;//摘要信息用于防篡改检查;

    public static Account empty(Long id) {
        Account account = new Account();
        account.setId(id);
        account.setBorrowLimitAmount(BidConst.DEFALUT_BORROWLIMITAMOUNT);
        account.setRemainBorrowLimit(BidConst.DEFALUT_BORROWLIMITAMOUNT);
        return account;
    }

    public String getAbstractInfo() {//可用余额 + 冻结金额 + 账户神域的授权额度
        return MD5Utils.MD5(usableAmount.add(freezedAmount)
                .add(remainBorrowLimit).toString());
    }

    public boolean checkAbstractInfo() {//可用余额 + 冻结金额 + 账户神域的授权额度
        return MD5Utils.MD5(
                usableAmount.add(freezedAmount).add(remainBorrowLimit)
                        .toString()).equals(abstractInfo);
    }

    public BigDecimal getTotalAmount() {
        return usableAmount.add(freezedAmount).add(unReceivePrincipal);
    }

    public void addUseableAmount(BigDecimal amount) {
        this.usableAmount = this.usableAmount.add(amount);
    }

    public void addFreezedAmount(BigDecimal amount) {
        this.freezedAmount = this.freezedAmount.add(amount);
    }
}