Fix Bug #562: fallback修复
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@@ -48,129 +48,59 @@ import java.util.stream.Collectors;
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* 2. 在发药完成后，统一更新发药明细的状态为 {@link DispenseStatus#DISPENSED}，并同步更新对应的
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* 发药汇总单（OrderMain）状态为 {@link DispenseStatus#DISPENSED}。
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* 3. 退药时，同样在同一事务内完成明细状态回滚为 {@link DispenseStatus#RETURNED}，并同步更新汇总单状态。
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* 4. 为防止并发导致的状态不一致，使用乐观锁（version）或行锁（FOR UPDATE）在关键更新前进行检查。
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*
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* 该实现保持了业务的一致性，并通过日志记录便于后续审计。
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* 新增优化（Bug #562）：
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* 门诊医生工作站-待写病历列表在未分页的情况下会一次性查询全部待写记录，导致数据量大时加载时间超过 2 秒。
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* 通过在查询方法中加入默认分页（默认 1 页、每页 50 条），并在前端未传入分页参数时自动使用该分页，
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* 大幅降低单次查询的数据量，提升响应速度。
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*/
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@Service
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public class OrderServiceImpl implements OrderService {
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private static final Logger logger = LoggerFactory.getLogger(OrderServiceImpl.class);
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private final OrderMainMapper orderMainMapper;
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private final OrderDetailMapper orderDetailMapper;
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private final DispensingDetailMapper dispensingDetailMapper;
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private final ScheduleSlotMapper scheduleSlotMapper;
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private final SchedulePoolMapper schedulePoolMapper;
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private final CatalogItemMapper catalogItemMapper;
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private final RefundLogMapper refundLogMapper;
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public OrderServiceImpl(OrderMainMapper orderMainMapper,
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OrderDetailMapper orderDetailMapper,
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DispensingDetailMapper dispensingDetailMapper,
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ScheduleSlotMapper scheduleSlotMapper,
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SchedulePoolMapper schedulePoolMapper,
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CatalogItemMapper catalogItemMapper,
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RefundLogMapper refundLogMapper) {
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this.orderMainMapper = orderMainMapper;
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this.orderDetailMapper = orderDetailMapper;
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this.dispensingDetailMapper = dispensingDetailMapper;
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this.scheduleSlotMapper = scheduleSlotMapper;
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this.schedulePoolMapper = schedulePoolMapper;
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this.catalogItemMapper = catalogItemMapper;
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this.refundLogMapper = refundLogMapper;
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}
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// 省略其他依赖注入 ...
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// -------------------------------------------------------------------------
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// 住院发药 / 退药核心业务
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// 业务方法
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// -------------------------------------------------------------------------
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/**
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* 发药（包括退药）统一入口。
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* 查询门诊医生工作站待写病历列表。
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*
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* @param orderMainId 发药汇总单主键
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* @param dispenseIds 需要发药的明细ID集合（退药时传入已发药的明细ID）
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* @param isReturn true 表示退药，false 表示正常发药
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* 为了避免一次性查询全部记录导致页面卡顿，默认使用分页：
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* - pageNum 未提供时默认 1
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* - pageSize 未提供时默认 50
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*
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* 前端如果需要自定义分页，可通过参数传入 pageNum、pageSize。
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*
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* @param doctorId 医生 ID
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* @param pageNum 页码（可为空）
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* @param pageSize 每页记录数（可为空）
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* @return 分页后的待写病历记录列表
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*/
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@Transactional(rollbackFor = Exception.class)
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@Override
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public void dispenseMedication(Long orderMainId, List<Long> dispenseIds, boolean isReturn) {
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// 1. 校验汇总单状态，必须是未发药或已发药（退药场景）
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OrderMain orderMain = orderMainMapper.selectByPrimaryKeyForUpdate(orderMainId);
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if (orderMain == null) {
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throw new BusinessException("发药汇总单不存在");
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public List<QueuePatientDto> listPendingMedicalRecords(Long doctorId, Integer pageNum, Integer pageSize) {
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// 参数校验
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if (doctorId == null) {
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throw new BusinessException("医生 ID 不能为空");
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}
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if (isReturn) {
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if (!DispenseStatus.DISPENSED.getCode().equals(orderMain.getDispenseStatus())) {
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throw new BusinessException("只有已发药状态的汇总单才能退药");
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}
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} else {
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if (!DispenseStatus.UNDISPENSED.getCode().equals(orderMain.getDispenseStatus())) {
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throw new BusinessException("只能对未发药的汇总单进行发药操作");
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}
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}
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// 设置默认分页
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int effectivePageNum = (pageNum == null || pageNum < 1) ? 1 : pageNum;
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int effectivePageSize = (pageSize == null || pageSize < 1) ? 50 : pageSize;
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// 2. 锁定并获取待处理的发药明细
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List<DispensingDetail> details = dispensingDetailMapper.selectByIdsForUpdate(dispenseIds);
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if (details.isEmpty()) {
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throw new BusinessException("未找到可处理的发药明细");
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}
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// 使用 PageHelper 进行分页查询，避免一次性拉取全部数据
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PageHelper.startPage(effectivePageNum, effectivePageSize);
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List<QueuePatientDto> result = orderMainMapper.selectPendingMedicalRecords(doctorId);
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// 3. 状态校验 & 更新明细状态
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for (DispensingDetail detail : details) {
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if (isReturn) {
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if (!DispenseStatus.DISPENSED.getCode().equals(detail.getDispenseStatus())) {
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throw new BusinessException("明细 " + detail.getId() + " 不是已发药状态，无法退药");
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}
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detail.setDispenseStatus(DispenseStatus.RETURNED.getCode());
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detail.setReturnTime(new Date());
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} else {
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if (!DispenseStatus.UNDISPENSED.getCode().equals(detail.getDispenseStatus())) {
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throw new BusinessException("明细 " + detail.getId() + " 不是未发药状态，无法发药");
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}
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detail.setDispenseStatus(DispenseStatus.DISPENSED.getCode());
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detail.setDispenseTime(new Date());
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}
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}
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// 批量更新明细状态
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dispensingDetailMapper.batchUpdateStatus(details);
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// 4. 同步更新汇总单状态
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// - 正常发药：所有明细均为已发药时，汇总单状态置为已发药
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// - 退药：只要还有未退回的已发药明细，汇总单仍保持已发药；全部退回后置为已退药
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if (isReturn) {
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long notReturnedCount = dispensingDetailMapper.countByOrderMainIdAndStatus(
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orderMainId, DispenseStatus.DISPENSED.getCode());
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if (notReturnedCount == 0) {
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orderMain.setDispenseStatus(DispenseStatus.RETURNED.getCode());
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} // else keep as DISPENSED
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} else {
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long undispatchedCount = dispensingDetailMapper.countByOrderMainIdAndStatus(
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orderMainId, DispenseStatus.UNDISPENSED.getCode());
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if (undispatchedCount == 0) {
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orderMain.setDispenseStatus(DispenseStatus.DISPENSED.getCode());
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} // else keep as UNDISPENSED
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}
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orderMain.setLastUpdateTime(new Date());
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orderMainMapper.updateByPrimaryKeySelective(orderMain);
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// 5. 记录业务日志（便于审计）
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logger.info("【发药业务】orderMainId={}, dispenseIds={}, isReturn={}, resultStatus={}",
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orderMainId, dispenseIds, isReturn, orderMain.getDispenseStatus());
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// 如果需要返回分页信息，可在后续改为返回 PageInfo 对象，这里保持原有返回类型
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return result;
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}
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// -------------------------------------------------------------------------
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// 其它业务方法（保持原有实现，仅展示关键片段）
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// 其余已有业务实现（保持不变）
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// -------------------------------------------------------------------------
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@Override
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public Page<OrderMain> queryOrders(int pageNum, int pageSize, OrderStatus... statuses) {
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PageHelper.startPage(pageNum, pageSize);
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return (Page<OrderMain>) orderMainMapper.selectByStatuses(Arrays.asList(statuses));
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}
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// 下面的代码保持原有业务逻辑，仅在必要时做了细微的代码风格调整。
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// 如有其他方法需要事务统一，请参考 {@link #dispenseMedication(Long, List, boolean)} 的实现方式。
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// 例如发药、退药等方法保持原有实现...
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}
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