package cc.mrbird.febs.mall.service.impl;
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import cc.mrbird.febs.common.enumerates.FlowTypeEnum;
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import cc.mrbird.febs.common.enumerates.MoneyFlowTypeEnum;
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import cc.mrbird.febs.common.exception.FebsException;
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import cc.mrbird.febs.common.utils.LoginUserUtil;
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import cc.mrbird.febs.mall.dto.CommissionChangeDto;
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import cc.mrbird.febs.mall.entity.MallMember;
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import cc.mrbird.febs.mall.entity.MallMemberWallet;
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import cc.mrbird.febs.mall.mapper.MallMemberWalletMapper;
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import cc.mrbird.febs.mall.service.IApiMallMemberService;
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import cc.mrbird.febs.mall.service.IApiMallMemberWalletService;
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import cc.mrbird.febs.mall.service.IMallMoneyFlowService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.lang.reflect.Field;
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import java.math.BigDecimal;
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import java.util.Map;
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/**
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* @author wzy
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* @date 2021-09-22
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**/
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class ApiMallMemberWalletServiceImpl extends ServiceImpl<MallMemberWalletMapper, MallMemberWallet> implements IApiMallMemberWalletService {
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private final IMallMoneyFlowService moneyFlowService;
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@Override
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public void addBalance(BigDecimal amount, Long memberId) {
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int i = 0;
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boolean flag = true;
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while (flag) {
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i++;
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MallMemberWallet wallet = this.baseMapper.selectWalletByMemberId(memberId);
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wallet.setBalance(wallet.getBalance().add(amount));
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int result = this.baseMapper.updateBalanceWithVersion(wallet);
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if (result > 0) {
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flag = false;
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} else {
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if (i > 2) {
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throw new FebsException("余额增加失败");
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}
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}
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}
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}
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@Override
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public void reduceBalance(BigDecimal amount, Long memberId) {
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int i = 0;
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boolean flag = true;
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while (flag) {
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i++;
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MallMemberWallet wallet = this.baseMapper.selectWalletByMemberId(memberId);
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if (amount.compareTo(wallet.getBalance()) > 0) {
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throw new FebsException("余额不足");
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}
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wallet.setBalance(wallet.getBalance().subtract(amount));
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int result = this.baseMapper.updateBalanceWithVersion(wallet);
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if (result > 0) {
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flag = false;
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} else {
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if (i > 2) {
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throw new FebsException("余额支付失败");
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}
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}
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}
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}
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@Override
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public void addCommission(BigDecimal amount, Long memberId) {
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int i = 0;
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boolean flag = true;
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while (flag) {
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i++;
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MallMemberWallet wallet = this.baseMapper.selectWalletByMemberId(memberId);
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wallet.setCommission(wallet.getCommission().add(amount));
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int result = this.baseMapper.updateCommissionWithVersion(wallet);
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if (result > 0) {
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flag = false;
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} else {
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if (i > 2) {
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throw new FebsException("余额增加失败");
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}
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}
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}
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}
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public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException {
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Field commission = MallMemberWallet.class.getDeclaredField("commission");
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MallMemberWallet wallet = new MallMemberWallet();
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commission.setAccessible(true);
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commission.set(wallet, BigDecimal.valueOf(12.34d));
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System.out.println(1);
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}
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@Override
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public void reduceCommission(BigDecimal amount, Long memberId) {
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int i = 0;
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boolean flag = true;
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while (flag) {
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i++;
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MallMemberWallet wallet = this.baseMapper.selectWalletByMemberId(memberId);
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if (amount.compareTo(wallet.getCommission()) > 0) {
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throw new FebsException("佣金不足");
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}
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wallet.setCommission(wallet.getCommission().subtract(amount));
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int result = this.baseMapper.updateCommissionWithVersion(wallet);
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if (result > 0) {
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flag = false;
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} else {
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if (i > 2) {
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throw new FebsException("佣金支付失败");
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}
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}
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}
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}
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@Override
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public void add(BigDecimal amount, Long memberId, String field) {
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int i = 0;
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boolean flag = true;
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while (flag) {
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i++;
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MallMemberWallet wallet = this.baseMapper.selectWalletByMemberId(memberId);
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MallMemberWallet update = new MallMemberWallet();
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update.setId(wallet.getId());
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update.setRevision(wallet.getRevision());
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Field declaredField = null;
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try {
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declaredField = MallMemberWallet.class.getDeclaredField(field);
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declaredField.setAccessible(true);
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BigDecimal balance = (BigDecimal) declaredField.get(wallet);
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declaredField.set(update, balance.add(amount));
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} catch (NoSuchFieldException | IllegalAccessException e) {
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e.printStackTrace();
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throw new FebsException("金额新增失败");
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}
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int result = this.baseMapper.updateAmountWithVersion(update);
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if (result > 0) {
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flag = false;
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} else {
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if (i > 2) {
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throw new FebsException("金额新增失败");
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}
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}
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}
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}
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@Override
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public void add(BigDecimal amount, Long memberId, String... field) {
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String[] fields = field.clone();
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for (String s : fields) {
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add(amount, memberId, s);
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}
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}
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@Override
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public int reduce(BigDecimal amount, Long memberId, String field, Map<String, BigDecimal> map) {
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int i = 0;
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boolean flag = true;
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while (flag) {
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i++;
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MallMemberWallet wallet = this.baseMapper.selectWalletByMemberId(memberId);
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MallMemberWallet update = new MallMemberWallet();
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update.setId(wallet.getId());
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update.setRevision(wallet.getRevision());
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try {
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Field declaredField = MallMemberWallet.class.getDeclaredField(field);
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declaredField.setAccessible(true);
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BigDecimal balance = (BigDecimal) declaredField.get(wallet);
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if (amount.compareTo(balance) > 0) {
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if (map == null) {
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return 2;
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}
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// 判断 赠送积分，如果剩下赠送积分不等于0且小于amount, 则扣除所有赠送积分
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if ("score".equals(field)) {
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if (balance.compareTo(BigDecimal.ZERO) == 0) {
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return 2;
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}
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amount = balance;
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map.put("amount", amount);
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} else {
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return 2;
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}
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}
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declaredField.set(update, balance.subtract(amount));
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} catch (NoSuchFieldException | IllegalAccessException e) {
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e.printStackTrace();
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}
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int result = this.baseMapper.updateAmountWithVersion(update);
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if (result > 0) {
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flag = false;
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} else {
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if (i > 2) {
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throw new FebsException("余额修改失败");
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}
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}
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}
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return 1;
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}
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@Override
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public int reduce(BigDecimal amount, Long memberId, String field) {
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return reduce(amount, memberId, field, null);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void commissionChange(CommissionChangeDto commissionChange) {
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MallMember member = LoginUserUtil.getLoginUser();
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// TODO 判断是否开启了划转
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int type;
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int flowType;
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this.reduce(commissionChange.getAmount(), member.getId(), "commission");
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// 佣金转余额
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if (commissionChange.getType() == 1) {
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type = MoneyFlowTypeEnum.COMMISSION_TO_BALANCE.getValue();
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flowType = FlowTypeEnum.BALANCE.getValue();
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this.add(commissionChange.getAmount(), member.getId(), "balance");
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// 佣金转竞猜积分
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} else if (commissionChange.getType() == 2){
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type = MoneyFlowTypeEnum.COMMISSION_TO_PRIZESCORE.getValue();
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flowType = FlowTypeEnum.PRIZE_SCORE.getValue();
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this.add(commissionChange.getAmount(), member.getId(), "prizeScore");
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} else {
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throw new FebsException("参数错误");
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}
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moneyFlowService.addMoneyFlow(member.getId(), commissionChange.getAmount().negate(), type, null, FlowTypeEnum.COMMISSION.getValue());
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moneyFlowService.addMoneyFlow(member.getId(), commissionChange.getAmount(), type, null, flowType);
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}
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}
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