package com.mzl.flower.service.impl.wallet;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.mzl.flower.config.security.SecurityUtils;
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import com.mzl.flower.constant.LockConstants;
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import com.mzl.flower.dto.request.wallet.QueryWalletAmountDTO;
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import com.mzl.flower.dto.response.supplier.SupplierDTO;
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import com.mzl.flower.entity.wallet.WalletDO;
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import com.mzl.flower.enums.TrueOrFalseEnum;
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import com.mzl.flower.mapper.wallet.WalletMapper;
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import com.mzl.flower.service.supplier.SupplierService;
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import com.mzl.flower.service.wallet.WalletReduceService;
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import com.mzl.flower.service.wallet.WalletService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import org.apache.commons.collections4.CollectionUtils;
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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.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.math.BigDecimal;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import java.util.regex.Pattern;
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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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public class WalletServiceImpl extends ServiceImpl<WalletMapper, WalletDO> implements WalletService {
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@Autowired
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private SupplierService supplierService;
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@Autowired
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private WalletReduceService walletReduceService;
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private static final String DATE_TIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
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private static final Pattern dateTimeRegex = Pattern.compile("^\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}$");
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@Autowired
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RedissonClient redissonClient;
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@Override
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public String getWalletOnLineTime() {
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String walletOnlineTime =baseMapper.selectWalletOnlineTime();
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// 这里需要判断walletOnlineTime是不是一个正确的yyyy-mm-dd hh24:mi:ss的时间
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String startTime;
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if (isValidDateTime(walletOnlineTime)) {
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startTime = walletOnlineTime;
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} else {
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// 如果 walletOnlineTime 无效，则使用当前时间的字符串
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startTime = getCurrentDateTime();
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}
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return startTime;
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}
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@Override
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public WalletDO getCurrentSupplier() {
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final SupplierDTO currentSupplier = supplierService.getCurrentSupplier();
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// 根据供应商ID获取钱包信息
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// 查询的条件的deleted的字段得为0
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// 下面的单独封装成一个方法
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WalletDO walletDO = getOrCreateBySupplierId(currentSupplier.getId());
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return walletDO;
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}
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@Override
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public WalletDO getOrCreateBySupplierId(Long supplierId) {
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WalletDO walletDO=getBySupplierId(supplierId);
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if(null==walletDO){
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RLock lock = redissonClient.getLock(String.format(LockConstants.WALLET_SUPPLIER_ID_KEY, supplierId));
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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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walletDO=getBySupplierId(supplierId);
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if(null!=walletDO) return walletDO;
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// 创建一个钱包
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walletDO =new WalletDO();
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walletDO.setUserId(SecurityUtils.getUserId());
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walletDO.setSupplierId(supplierId);
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walletDO.setTotalAmount(BigDecimal.ZERO);
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walletDO.setWithdrawableAmount(BigDecimal.ZERO);
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//把所有涉及BigDecimal的金额都设置为0
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walletDO.setWithdrawingAmount(BigDecimal.ZERO);
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walletDO.setWithdrawnAmount(BigDecimal.ZERO);
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walletDO.setSettlingAmount(BigDecimal.ZERO);
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walletDO.setTotalDeduction(BigDecimal.ZERO);
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walletDO.setTotalTransactionAmount(BigDecimal.ZERO);
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walletDO.setSettledAmount(BigDecimal.ZERO);
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walletDO.create(SecurityUtils.getUserId());
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baseMapper.insert(walletDO);
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// 将再次查询的结果返回
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walletDO= getBySupplierId(supplierId);
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return 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 null;
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}else{
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return walletDO;
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}
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}
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@Override
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public WalletDO getBySupplierId(Long supplierId) {
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List<WalletDO> walletDOS = baseMapper.selectList(new LambdaQueryWrapper<WalletDO>()
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.eq(WalletDO::getDeleted, TrueOrFalseEnum.FALSE.isFlag())
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.eq(WalletDO::getSupplierId, supplierId));
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if(!CollectionUtils.isEmpty(walletDOS)){
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return walletDOS.get(0);
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}
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return null;
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}
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@Override
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public BigDecimal getWaittingSettlementAmount(WalletDO walletDO) {
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return baseMapper.getWaittingSettlementAmount(walletDO);
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}
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@Override
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public BigDecimal getSupplierTotalTransactionAmount(WalletDO walletDO) {
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QueryWalletAmountDTO queryWalletAmountDTO=new QueryWalletAmountDTO();
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queryWalletAmountDTO.setSupplierId(walletDO.getSupplierId());
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queryWalletAmountDTO.setStartTime(getWalletOnLineTime());
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queryWalletAmountDTO.setUserId(walletDO.getUserId());
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BigDecimal totalTransactionAmount=baseMapper.getSupplierTotalTransactionAmount(queryWalletAmountDTO);
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return totalTransactionAmount;
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}
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@Override
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public BigDecimal getSupplierDeductAmount(WalletDO walletDO) {
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QueryWalletAmountDTO queryWalletAmountDTO=new QueryWalletAmountDTO();
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queryWalletAmountDTO.setSupplierId(walletDO.getSupplierId());
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queryWalletAmountDTO.setStartTime(getWalletOnLineTime());
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queryWalletAmountDTO.setUserId(walletDO.getUserId());
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// 质检扣款
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BigDecimal checkDeduceAmount = walletReduceService.getCheckReduceAmount(queryWalletAmountDTO);
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checkDeduceAmount = checkDeduceAmount != null ? checkDeduceAmount : BigDecimal.ZERO;
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// 售后扣款
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BigDecimal saleDeduceAmount = walletReduceService.getSaleReduceAmount(queryWalletAmountDTO);
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saleDeduceAmount = saleDeduceAmount != null ? saleDeduceAmount : BigDecimal.ZERO;
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// 总扣款
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BigDecimal deduceAmount = checkDeduceAmount.add(saleDeduceAmount);
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return deduceAmount;
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}
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public static boolean isValidDateTime(String dateTime) {
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if (dateTime == null || !dateTimeRegex.matcher(dateTime).matches()) {
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return false;
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}
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SimpleDateFormat sdf = new SimpleDateFormat(DATE_TIME_PATTERN);
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sdf.setLenient(false);
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try {
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sdf.parse(dateTime);
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return true;
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} catch (Exception e) {
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return false;
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}
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}
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public static String getCurrentDateTime() {
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SimpleDateFormat sdf = new SimpleDateFormat(DATE_TIME_PATTERN);
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return sdf.format(new Date());
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}
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}
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