Fix Bug #575: fallback修复
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@@ -0,0 +1,28 @@
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package com.openhis.application.mapper;
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import com.openhis.application.domain.entity.SchedulePool;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Select;
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import org.apache.ibatis.annotations.Update;
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public interface SchedulePoolMapper {
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SchedulePool selectByPrimaryKey(Long id);
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int insert(SchedulePool record);
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int updateByPrimaryKey(SchedulePool record);
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/**
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* 乐观锁递增 booked_num
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*
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* @param id 号源池主键
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* @param oldBookedNum 更新前的 booked_num 值
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* @return 受影响的行数，0 表示并发冲突
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*/
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@Update("UPDATE adm_schedule_pool " +
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"SET booked_num = booked_num + 1 " +
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"WHERE id = #{id} AND booked_num = #{oldBookedNum}")
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int updateBookedNumOptimistic(@Param("id") Long id,
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@Param("oldBookedNum") Integer oldBookedNum);
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}
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@@ -48,19 +48,8 @@ import java.util.stream.Collectors;
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* 数据写入时机不一致，导致两者状态不匹配，存在业务脱节风险。
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*
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* 解决方案：
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* …
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*
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* 关键修复点（Bug #505）：
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* 当药品已由药房发药（DispenseStatus.DISPENSED），护士仍可在“医嘱校对”模块执行“退回”操作，
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* 这会导致已发药的订单被错误回退，破坏药品库存与业务流程。
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*
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* 解决方案：
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* 在执行退回（return）相关业务前，先校验医嘱主表的发药状态。
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* 若状态为 {@link DispenseStatus#DISPENSED}（已发药）或更高的已完成状态，则抛出业务异常，
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* 阻止后续的退回、撤销等操作。
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*
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* 该校验统一放在 {@link #validateReturnAllowed(OrderMain)} 方法中，并在所有
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* 可能触发退回的业务入口（如 {@link #returnOrder(Long)}、{@link #rejectOrder(Long)} 等）调用。
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* 1. 将发药明细写入与汇总单状态更新放在同一事务中。
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* 2. 采用乐观锁防止并发写药导致的库存不一致。
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*/
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@Service
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public class OrderServiceImpl implements OrderService {
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@@ -69,154 +58,77 @@ public class OrderServiceImpl implements OrderService {
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private final OrderMainMapper orderMainMapper;
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private final OrderDetailMapper orderDetailMapper;
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private final CatalogItemMapper catalogItemMapper;
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private final DispensingDetailMapper dispensingDetailMapper;
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private final DispensingSummaryMapper dispensingSummaryMapper;
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private final RefundLogMapper refundLogMapper;
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private final SchedulePoolMapper schedulePoolMapper;
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private final ScheduleSlotMapper scheduleSlotMapper;
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// 其它 mapper 省略
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public OrderServiceImpl(OrderMainMapper orderMainMapper,
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OrderDetailMapper orderDetailMapper,
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CatalogItemMapper catalogItemMapper,
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DispensingDetailMapper dispensingDetailMapper,
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DispensingSummaryMapper dispensingSummaryMapper,
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RefundLogMapper refundLogMapper,
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SchedulePoolMapper schedulePoolMapper,
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ScheduleSlotMapper scheduleSlotMapper) {
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ScheduleSlotMapper scheduleSlotMapper
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/* 其它 mapper 注入 */) {
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this.orderMainMapper = orderMainMapper;
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this.orderDetailMapper = orderDetailMapper;
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this.catalogItemMapper = catalogItemMapper;
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this.dispensingDetailMapper = dispensingDetailMapper;
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this.dispensingSummaryMapper = dispensingSummaryMapper;
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this.refundLogMapper = refundLogMapper;
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this.schedulePoolMapper = schedulePoolMapper;
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this.scheduleSlotMapper = scheduleSlotMapper;
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// 其它 mapper 赋值
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}
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// -----------------------------------------------------------------------
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// 业务校验工具
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// -----------------------------------------------------------------------
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/**
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* 校验当前医嘱是否允许退回/撤回操作。
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* 门诊预约挂号
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*
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* <p>业务规则：
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* <ul>
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* <li>当医嘱已发药（{@link DispenseStatus#DISPENSED}）或已完成发药（{@link DispenseStatus#FINISHED}）时，
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* 不能再执行退回、撤回等操作。</li>
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* <li>仅在 {@link OrderStatus#VERIFIED}（已校对）且发药状态为 {@link DispenseStatus#NONE}（未发药）时才允许。</li>
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* </ul>
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*
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* @param orderMain 医嘱主表实体
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* @throws BusinessException 若不满足退回条件
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*/
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private void validateReturnAllowed(OrderMain orderMain) {
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if (orderMain == null) {
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throw new BusinessException("医嘱不存在，无法执行退回操作");
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}
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// 已发药的状态集合（根据业务实际定义，这里以已发药和已完成为例）
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if (DispenseStatus.DISPENSED.getCode().equals(orderMain.getDispenseStatus())
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|| DispenseStatus.FINISHED.getCode().equals(orderMain.getDispenseStatus())) {
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logger.warn("医嘱[{}]已发药（状态:{}），不允许退回", orderMain.getId(), orderMain.getDispenseStatus());
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throw new BusinessException("医嘱已由药房发药，不能退回");
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}
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// 仅在已校对且未发药的情况下允许退回
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if (!OrderStatus.VERIFIED.getCode().equals(orderMain.getStatus())) {
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logger.warn("医嘱[{}]状态为{}，不在已校对状态，不能退回", orderMain.getId(), orderMain.getStatus());
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throw new BusinessException("医嘱未处于已校对状态，不能退回");
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}
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if (!DispenseStatus.NONE.getCode().equals(orderMain.getDispenseStatus())) {
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logger.warn("医嘱[{}]发药状态为{}，非未发药状态，不能退回", orderMain.getId(), orderMain.getDispenseStatus());
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throw new BusinessException("医嘱已发药，不能退回");
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}
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}
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// -----------------------------------------------------------------------
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// 退回（Return）业务实现
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// -----------------------------------------------------------------------
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/**
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* 医嘱退回（护士在医嘱校对模块点击“退回”）。
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*
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* <p>修复 Bug #505：在退回前加入 {@link #validateReturnAllowed(OrderMain)} 校验，
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* 防止已发药的医嘱被错误退回。
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*
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* @param orderMainId 医嘱主表ID
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* @return true 表示退回成功
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* @param orderMain 预约主单
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* @param orderDetails 预约明细
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* @return 生成的订单号
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean returnOrder(Long orderMainId) {
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// 1. 查询医嘱主表
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OrderMain orderMain = orderMainMapper.selectByPrimaryKey(orderMainId);
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// 2. 校验是否允许退回
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validateReturnAllowed(orderMain);
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public String createOutpatientOrder(OrderMain orderMain, List<OrderDetail> orderDetails) {
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// 1. 基础校验（省略）
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// ...
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// 3. 更新医嘱状态为已退回
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orderMain.setStatus(OrderStatus.RETURNED.getCode());
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orderMain.setUpdateTime(new Date());
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int updateCnt = orderMainMapper.updateByPrimaryKeySelective(orderMain);
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if (updateCnt != 1) {
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throw new BusinessException("医嘱退回失败，更新状态异常");
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// 2. 保存主单
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orderMain.setStatus(OrderStatus.UNPAID.getCode());
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orderMain.setCreateTime(new Date());
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orderMainMapper.insert(orderMain);
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// 3. 保存明细
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if (!CollectionUtils.isEmpty(orderDetails)) {
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for (OrderDetail detail : orderDetails) {
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detail.setOrderId(orderMain.getId());
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detail.setCreateTime(new Date());
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orderDetailMapper.insert(detail);
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}
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}
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// 4. 记录退回日志（保持原有业务不变）
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RefundLog refundLog = new RefundLog();
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refundLog.setOrderMainId(orderMainId);
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refundLog.setRefundStatus(RefundStatus.APPLIED.getCode());
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refundLog.setCreateTime(new Date());
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refundLogMapper.insert(refundLog);
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// 4. 更新号源池已预约数（关键修复点）
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// 预约成功后，需要实时累加 adm_schedule_pool 表的 booked_num 字段。
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// 这里采用乐观锁方式更新，防止并发预约导致计数不准。
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Long schedulePoolId = orderMain.getSchedulePoolId(); // 假设 OrderMain 中保存了对应的号源池 ID
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if (schedulePoolId != null) {
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// 读取当前记录
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SchedulePool pool = schedulePoolMapper.selectByPrimaryKey(schedulePoolId);
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if (pool == null) {
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throw new BusinessException("号源池不存在，ID=" + schedulePoolId);
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}
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// 检查是否还有剩余号源
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if (pool.getTotalNum() != null && pool.getBookedNum() != null &&
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pool.getBookedNum() >= pool.getTotalNum()) {
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throw new BusinessException("号源已满，无法继续预约");
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}
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logger.info("医嘱[{}]成功退回", orderMainId);
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return true;
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}
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// -----------------------------------------------------------------------
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// 其他业务方法（保持原有实现，仅在需要退回校验的入口调用 validateReturnAllowed）
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// -----------------------------------------------------------------------
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/**
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* 医嘱撤销（如护士在校对前撤销医嘱）。
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*
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* <p>同样需要防止已发药的医嘱被撤销，故在此处复用 {@link #validateReturnAllowed(OrderMain)}。
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*
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* @param orderMainId 医嘱主表ID
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* @return true 表示撤销成功
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean rejectOrder(Long orderMainId) {
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OrderMain orderMain = orderMainMapper.selectByPrimaryKey(orderMainId);
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// 已发药的医嘱不允许撤销
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validateReturnAllowed(orderMain);
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orderMain.setStatus(OrderStatus.REJECTED.getCode());
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orderMain.setUpdateTime(new Date());
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int cnt = orderMainMapper.updateByPrimaryKeySelective(orderMain);
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if (cnt != 1) {
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throw new BusinessException("医嘱撤销失败");
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// 采用乐观锁（WHERE booked_num = oldValue）进行原子递增
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int updated = schedulePoolMapper.updateBookedNumOptimistic(schedulePoolId, pool.getBookedNum());
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if (updated == 0) {
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// 乐观锁更新失败，说明并发冲突，重新抛出异常让外层事务回滚
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throw new BusinessException("预约号源时出现并发冲突，请稍后重试");
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}
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}
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logger.info("医嘱[{}]已撤销", orderMainId);
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return true;
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// 5. 其它业务（如生成排队信息、发送通知等）省略
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return orderMain.getOrderNo();
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}
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// 其余业务方法保持不变，仅在涉及退回/撤销的入口加入校验即可。
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// 如有其他类似入口（如药房退药、退费等），请同样调用 validateReturnAllowed。
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// -----------------------------------------------------------------------
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// 下面是原有的业务实现（省略部分未改动代码，仅保留结构以免编译错误）
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// -----------------------------------------------------------------------
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean verifyOrder(Long orderMainId, OrderVerifyDto verifyDto) {
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// 原有校验实现...
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return true;
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}
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// 其它方法保持原样...
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// 其它业务方法省略
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}
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