refactor(wms): 优化退库操作流程
- 移除了不必要的验证逻辑，简化了代码结构 - 使用 stream API 优化了原出库明细的查找和已退库数量的计算 -调整了退库数量验证的逻辑，提高了用户体验 -优化了单位的获取逻辑，增加了默认值
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@@ -191,99 +191,100 @@ public class WmsStockIoServiceImpl implements IWmsStockIoService {
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean scanReturnStockByBo(WmsStockIoBo bo) {
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// 退库操作：根据明细ID查询明细，根据parent_id获取原出库单明细，验证退库数量
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// 退库操作：根据主表ID查询明细列表，验证退库数量，执行退库
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if (bo.getStockIoId() == null) {
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throw new ServiceException("退库明细ID不能为空");
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throw new ServiceException("退库单ID不能为空");
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}
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// 1. 根据明细ID查询退库单明细
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WmsStockIoDetail returnDetail = stockIoDetailMapper.selectById(bo.getStockIoId());
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if (returnDetail == null) {
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throw new ServiceException("退库明细不存在");
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}
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// 2. 获取退库单主表信息
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WmsStockIo returnStockIo = baseMapper.selectById(returnDetail.getStockIoId());
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// 1. 获取退库单主表信息
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WmsStockIo returnStockIo = baseMapper.selectById(bo.getStockIoId());
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if (returnStockIo == null || returnStockIo.getParentId() == null) {
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throw new ServiceException("退库单不存在或未关联原出库单");
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}
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// 验证退库单类型必须是退库类型
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if (!"withdraw".equals(returnStockIo.getIoType())) {
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throw new ServiceException("单据类型必须是退库类型");
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}
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// 3. 获取原出库单信息
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WmsStockIo originalOutStockIo = baseMapper.selectById(returnStockIo.getParentId());
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if (originalOutStockIo == null || !"out".equals(originalOutStockIo.getIoType())) {
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throw new ServiceException("原出库单不存在或类型错误");
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}
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// 4. 查找对应的原出库明细
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List<WmsStockIoDetail> originalOutDetails = stockIoDetailMapper.selectList(
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Wrappers.<WmsStockIoDetail>lambdaQuery()
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.eq(WmsStockIoDetail::getStockIoId, returnStockIo.getParentId())
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// 2. 获取退库单明细列表
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List<WmsStockIoDetail> returnDetails = stockIoDetailMapper.selectList(
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Wrappers.<WmsStockIoDetail>lambdaQuery().eq(WmsStockIoDetail::getStockIoId, bo.getStockIoId())
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);
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WmsStockIoDetail originalOutDetail = originalOutDetails.stream()
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.filter(detail -> detail.getItemType().equals(returnDetail.getItemType()) &&
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detail.getItemId().equals(returnDetail.getItemId()) &&
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detail.getWarehouseId().equals(returnDetail.getWarehouseId()))
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.findFirst()
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.orElse(null);
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if (originalOutDetail == null) {
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throw new ServiceException("未找到对应的原出库明细");
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if (returnDetails == null || returnDetails.isEmpty()) {
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throw new ServiceException("退库单明细不能为空");
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}
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// 5. 验证退库数量不能超过原出库数量
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BigDecimal totalReturnedQty = baseMapper.selectList(
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Wrappers.<WmsStockIo>lambdaQuery()
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.eq(WmsStockIo::getParentId, returnStockIo.getParentId())
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.eq(WmsStockIo::getIoType, "withdraw")
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.ne(WmsStockIo::getStockIoId, returnStockIo.getStockIoId())
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).stream()
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.flatMap(returnStockIoItem -> stockIoDetailMapper.selectList(
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Wrappers.<WmsStockIoDetail>lambdaQuery()
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.eq(WmsStockIoDetail::getStockIoId, returnStockIoItem.getStockIoId())
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.eq(WmsStockIoDetail::getItemType, returnDetail.getItemType())
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.eq(WmsStockIoDetail::getItemId, returnDetail.getItemId())
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.eq(WmsStockIoDetail::getWarehouseId, returnDetail.getWarehouseId())
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).stream())
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.map(WmsStockIoDetail::getQuantity)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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// 3. 获取原出库单明细列表
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List<WmsStockIoDetail> originalOutDetails = stockIoDetailMapper.selectList(
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Wrappers.<WmsStockIoDetail>lambdaQuery().eq(WmsStockIoDetail::getStockIoId, returnStockIo.getParentId())
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);
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BigDecimal remainingQty = originalOutDetail.getQuantity().subtract(totalReturnedQty);
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if (returnDetail.getQuantity().compareTo(remainingQty) > 0) {
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throw new ServiceException("退库数量超过原出库数量，剩余可退数量：" + remainingQty);
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if (originalOutDetails == null || originalOutDetails.isEmpty()) {
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throw new ServiceException("原出库单明细不存在");
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}
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// 6. 执行退库操作（增加库存）
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String unit = returnDetail.getUnit();
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if (unit == null || unit.trim().isEmpty()) {
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if ("product".equals(returnDetail.getItemType())) {
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WmsProduct p = productMapper.selectById(returnDetail.getItemId());
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unit = p != null ? p.getUnit() : "个";
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} else if ("raw_material".equals(returnDetail.getItemType())) {
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WmsRawMaterial r = rawMaterialMapper.selectById(returnDetail.getItemId());
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unit = r != null ? r.getUnit() : "个";
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// 4. 遍历退库明细，验证数量并执行退库
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for (WmsStockIoDetail returnDetail : returnDetails) {
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// 查找对应的原出库明细
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WmsStockIoDetail originalOutDetail = originalOutDetails.stream()
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.filter(detail -> detail.getItemType().equals(returnDetail.getItemType()) &&
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detail.getItemId().equals(returnDetail.getItemId()) &&
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detail.getWarehouseId().equals(returnDetail.getWarehouseId()))
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.findFirst()
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.orElse(null);
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if (originalOutDetail == null) {
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throw new ServiceException("未找到对应的原出库明细：" + returnDetail.getItemType() + "-" + returnDetail.getItemId());
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}
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// 验证退库数量不能超过原出库数量
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BigDecimal totalReturnedQty = baseMapper.selectList(
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Wrappers.<WmsStockIo>lambdaQuery()
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.eq(WmsStockIo::getParentId, returnStockIo.getParentId())
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.eq(WmsStockIo::getIoType, "withdraw")
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.ne(WmsStockIo::getStockIoId, returnStockIo.getStockIoId())
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).stream()
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.flatMap(returnStockIoItem -> stockIoDetailMapper.selectList(
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Wrappers.<WmsStockIoDetail>lambdaQuery()
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.eq(WmsStockIoDetail::getStockIoId, returnStockIoItem.getStockIoId())
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.eq(WmsStockIoDetail::getItemType, returnDetail.getItemType())
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.eq(WmsStockIoDetail::getItemId, returnDetail.getItemId())
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.eq(WmsStockIoDetail::getWarehouseId, returnDetail.getWarehouseId())
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).stream())
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.map(WmsStockIoDetail::getQuantity)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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BigDecimal remainingQty = originalOutDetail.getQuantity().subtract(totalReturnedQty);
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if (returnDetail.getQuantity().compareTo(remainingQty) > 0) {
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throw new ServiceException("退库数量超过原出库数量，物品：" + returnDetail.getItemType() + "-" + returnDetail.getItemId() +
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"，原出库数量：" + originalOutDetail.getQuantity() + "，已退库数量：" + totalReturnedQty +
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"，剩余可退数量：" + remainingQty + "，本次退库数量：" + returnDetail.getQuantity());
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}
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// 执行退库操作（增加库存）
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String unit = returnDetail.getUnit();
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if (unit == null || unit.trim().isEmpty()) {
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if ("product".equals(returnDetail.getItemType())) {
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WmsProduct p = productMapper.selectById(returnDetail.getItemId());
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unit = p != null ? p.getUnit() : "个";
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} else if ("raw_material".equals(returnDetail.getItemType())) {
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WmsRawMaterial r = rawMaterialMapper.selectById(returnDetail.getItemId());
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unit = r != null ? r.getUnit() : "个";
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}
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}
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// 执行入库操作（退库就是入库）
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changeStock(returnDetail.getWarehouseId(), returnDetail.getItemType(),
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returnDetail.getItemId(), returnDetail.getQuantity(), true, unit);
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// 记录退库操作日志
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WmsStockLog returnLog = new WmsStockLog();
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returnLog.setWarehouseId(returnDetail.getWarehouseId());
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returnLog.setItemType(returnDetail.getItemType());
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returnLog.setItemId(returnDetail.getItemId());
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returnLog.setChangeQty(returnDetail.getQuantity());
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returnLog.setChangeType("退库");
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returnLog.setChangeTime(new Date());
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stockLogMapper.insert(returnLog);
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}
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// 执行入库操作（退库就是入库）
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changeStock(returnDetail.getWarehouseId(), returnDetail.getItemType(),
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returnDetail.getItemId(), returnDetail.getQuantity(), true, unit);
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// 记录退库操作日志
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WmsStockLog returnLog = new WmsStockLog();
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returnLog.setWarehouseId(returnDetail.getWarehouseId());
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returnLog.setItemType(returnDetail.getItemType());
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returnLog.setItemId(returnDetail.getItemId());
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returnLog.setChangeQty(returnDetail.getQuantity());
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returnLog.setChangeType("退库");
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returnLog.setChangeTime(new Date());
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stockLogMapper.insert(returnLog);
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return true;
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}
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