package com.mzl.flower.service.impl.wallet;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.mzl.flower.config.exception.ValidationException;
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import com.mzl.flower.config.security.SecurityUtils;
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import com.mzl.flower.constant.Constants;
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import com.mzl.flower.constant.LockConstants;
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import com.mzl.flower.dto.request.wallet.CreateWalletWithdrawRecordDTO;
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import com.mzl.flower.dto.request.wallet.QueryWalletWithdrawDTO;
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import com.mzl.flower.dto.request.wallet.WalletWithdrawRecordDTO;
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import com.mzl.flower.dto.response.supplier.SupplierDTO;
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import com.mzl.flower.dto.response.wallet.WalletWithdrawRecordVO;
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import com.mzl.flower.entity.wallet.WalletDO;
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import com.mzl.flower.entity.wallet.WalletWithdrawRecordDO;
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import com.mzl.flower.mapper.wallet.WalletWithdrawRecordMapper;
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import com.mzl.flower.service.supplier.SupplierService;
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import com.mzl.flower.service.wallet.WalletBillRecordService;
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import com.mzl.flower.service.wallet.WalletService;
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import com.mzl.flower.service.wallet.WalletWithdrawRecordService;
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import lombok.RequiredArgsConstructor;
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import org.redisson.api.RLock;
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import org.redisson.api.RedissonClient;
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import org.springframework.beans.BeanUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.StringUtils;
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import java.time.LocalDateTime;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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/**
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* <p>
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* 服务实现类
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* </p>
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*
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* @author @TaoJie
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* @since 2024-10-22
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*/
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@Service
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@Transactional
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@RequiredArgsConstructor
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public class WalletWithdrawRecordServiceImpl extends ServiceImpl<WalletWithdrawRecordMapper, WalletWithdrawRecordDO> implements WalletWithdrawRecordService {
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private final WalletWithdrawRecordMapper walletWithdrawRecordMapper;
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private final WalletService walletService;
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private final SupplierService supplierService;
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private final WalletBillRecordService walletBillRecordService;
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@Autowired
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RedissonClient redissonClient;
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@Transactional
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@Override
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public boolean create(CreateWalletWithdrawRecordDTO dto) {
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SupplierDTO supplierDTO = supplierService.getCurrentSupplier();
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if (null == supplierDTO) {
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throw new ValidationException("供应商不能为空");
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}
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WalletDO walletDO = walletService.getCurrentSupplier();
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if (null == walletDO) {
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throw new ValidationException("钱包不能为空");
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}
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// 查看钱包的金额是不是大于要提现的金额
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if (null != walletDO.getWithdrawableAmount() && null != dto.getAmount() && walletDO.getWithdrawableAmount().compareTo(dto.getAmount()) < 0) {
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throw new ValidationException("钱包金额不足");
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}
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RLock lock = redissonClient.getLock(String.format(LockConstants.WALLET_ID_KEY, walletDO.getId()));
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// 获取锁，最多等待 10 秒，锁自动释放时间 30 秒
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try {
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if (lock.tryLock(10, 30, TimeUnit.SECONDS)) {
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try {
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// 加锁了之后需要二次查询，防止未加锁之前 someone else 已经修改了
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walletDO = walletService.getCurrentSupplier();
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if (null == walletDO) {
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throw new ValidationException("钱包不能为空");
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}
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// 查看钱包的金额是不是大于要提现的金额
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if (null != walletDO.getWithdrawableAmount() && null != dto.getAmount() && walletDO.getWithdrawableAmount().compareTo(dto.getAmount()) < 0) {
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throw new ValidationException("钱包金额不足");
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}
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// 1.新增一条余额提现记录
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WalletWithdrawRecordDO withdrawRecordDO = new WalletWithdrawRecordDO();
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withdrawRecordDO.setAmount(dto.getAmount());
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withdrawRecordDO.setSupplierId(supplierDTO.getId());
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withdrawRecordDO.setWithdrawState(Constants.WALLET_WITHDRAW_STATE.WAITING.name());
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withdrawRecordDO.setMethod(Constants.WALLET_WITHDRAW_METHOD.WEIXIN.name());
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withdrawRecordDO.create(SecurityUtils.getUserId());
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// 保存余额提现记录
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save(withdrawRecordDO);
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/*
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// 2.新增一条账单明细
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WalletBillRecordDO walletBillRecordDO=new WalletBillRecordDO();
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walletBillRecordDO.setSupplierId(supplierDTO.getId());
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walletBillRecordDO.setWalletId(walletDO.getId());
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// 提现
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walletBillRecordDO.setType(Constants.BILL_CHANGE_TYPE.withdraw.name());
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walletBillRecordDO.setMethod(Constants.BILL_CHANGE_METHOD.add.name());
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walletBillRecordDO.setOriginalAmount(walletDO.getWithdrawableAmount());
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walletBillRecordDO.setChangeAmount(dto.getAmount());
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walletBillRecordDO.setBalance(walletDO.getWithdrawableAmount().subtract(dto.getAmount()));
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// 保存账单明细
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walletBillRecordService.save(walletBillRecordDO);
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*/
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// 3. 钱包更新
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// 钱包可提现的钱等于当前钱包可提现的钱-提现的钱
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walletDO.setWithdrawableAmount(walletDO.getWithdrawableAmount().subtract(dto.getAmount()));
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// 提现中的钱等于原有可提现的钱+提现的钱
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walletDO.setWithdrawingAmount(walletDO.getWithdrawingAmount().add(dto.getAmount()));
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walletDO.update(SecurityUtils.getUserId());
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// 更新钱包
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return walletService.updateById(walletDO);
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} finally {
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lock.unlock();
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}
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}
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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return false;
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}
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@Override
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public Page<WalletWithdrawRecordVO> queryPage(QueryWalletWithdrawDTO queryWalletDTO, Page page) {
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List<WalletWithdrawRecordVO> list = walletWithdrawRecordMapper.queryPage(queryWalletDTO, page);
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page.setRecords(list);
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return page;
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}
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@Override
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public void updateWallet(WalletWithdrawRecordDTO walletWithdrawRecordDTO) {
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WalletWithdrawRecordDO withdrawRecordDO = walletWithdrawRecordMapper.selectById(walletWithdrawRecordDTO.getId());
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if (withdrawRecordDO == null) {
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throw new ValidationException("提现记录信息不存在");
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}
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if (StringUtils.isEmpty(walletWithdrawRecordDTO.getApproveState())) {
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throw new ValidationException("审批状态不能为空");
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}
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BeanUtils.copyProperties(walletWithdrawRecordDTO, withdrawRecordDO);
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withdrawRecordDO.update(SecurityUtils.getUserId());
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withdrawRecordDO.setApproveBy(SecurityUtils.getUserId());
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withdrawRecordDO.setApproveTime(LocalDateTime.now());
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walletWithdrawRecordMapper.updateById(withdrawRecordDO);
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}
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}
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