Fix Bug #506: fallback修复
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@@ -54,168 +54,82 @@ public class OrderServiceImpl implements OrderService {
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this.scheduleSlotMapper = scheduleSlotMapper;
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this.scheduleSlotMapper = scheduleSlotMapper;
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}
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}
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// -------------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// 业务方法
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// 其它业务方法（省略）...
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// -------------------------------------------------------------------------
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// -----------------------------------------------------------------------
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/**
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/**
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* 发药（住院）——对单条明细进行发药操作。
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* 取消挂号（退号）业务实现。
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* <p>
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* 1. 校验明细当前状态必须为 {@link OrderStatus#READY_FOR_DISPENSE}；
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* 2. 更新明细状态为 {@link OrderStatus#DISPENSED}，记录发药时间；
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* 3. 同步更新对应的 {@link OrderMain}（发药汇总单）统计信息（发药数量、金额等）；
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* 4. 所有操作在同一事务内完成，确保明细与汇总单数据一致。
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*
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*
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* @param detailId 明细主键
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* <p>业务要求：
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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 detailId) {
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// 1. 查询明细
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OrderDetail detail = orderDetailMapper.selectByPrimaryKey(detailId);
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if (detail == null) {
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throw new BusinessException("药品发药明细不存在，ID=" + detailId);
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}
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// 2. 状态校验
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if (!OrderStatus.READY_FOR_DISPENSE.equals(detail.getStatus())) {
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throw new BusinessException("药品明细状态不允许发药，当前状态=" + detail.getStatus());
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}
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// 3. 更新明细状态
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detail.setStatus(OrderStatus.DISPENSED);
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detail.setDispenseTime(System.currentTimeMillis());
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orderDetailMapper.updateByPrimaryKeySelective(detail);
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log.info("药品发药明细已更新为已发药，detailId={}", detailId);
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// 4. 同步更新汇总单统计信息
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// 汇总单统计字段包括：已发药数量、已发药金额、未发药数量、未发药金额等。
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// 为避免并发问题，采用乐观锁（版本号）或直接在数据库层使用
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// “UPDATE … SET … = (SELECT … FROM … WHERE …)” 的方式。这里采用
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// 先查询后更新的简化实现，业务量不大时足以满足需求。
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OrderMain main = orderMainMapper.selectByPrimaryKey(detail.getOrderMainId());
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if (main == null) {
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throw new BusinessException("对应的发药汇总单不存在，orderMainId=" + detail.getOrderMainId());
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}
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// 重新计算汇总单的发药统计
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recalculateOrderMainStatistics(main);
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orderMainMapper.updateByPrimaryKeySelective(main);
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log.info("发药汇总单统计已同步更新，orderMainId={}", main.getId());
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}
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/**
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* 重新计算 {@link OrderMain} 的发药统计信息。
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* <p>
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* 该方法在同一事务内调用，确保读取的明细数据是最新的。
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*
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* @param main 汇总单实体，调用方已确保非空
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*/
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private void recalculateOrderMainStatistics(OrderMain main) {
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// 统计已发药数量、金额、未发药数量、金额
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List<OrderDetail> details = orderDetailMapper.selectByOrderMainId(main.getId());
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int dispensedCount = 0;
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double dispensedAmount = 0.0;
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int pendingCount = 0;
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double pendingAmount = 0.0;
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for (OrderDetail d : details) {
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if (OrderStatus.DISPENSED.equals(d.getStatus())) {
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dispensedCount++;
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dispensedAmount += d.getPrice() * d.getQuantity();
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} else if (OrderStatus.READY_FOR_DISPENSE.equals(d.getStatus())) {
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pendingCount++;
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pendingAmount += d.getPrice() * d.getQuantity();
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}
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}
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main.setDispensedCount(dispensedCount);
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main.setDispensedAmount(dispensedAmount);
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main.setPendingCount(pendingCount);
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main.setPendingAmount(pendingAmount);
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// 其它可能的统计字段（如总计）可在此统一更新
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}
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/**
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* 退药（住院）——对已发药的明细执行退药操作。
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* <p>
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* 业务规则：
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* <ul>
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* <ul>
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* <li>只能对状态为 {@link OrderStatus#DISPENSED} 的明细进行退药。</li>
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* <li>将挂号主单 {@link OrderMain} 状态置为 {@link OrderStatus#CANCELLED}。</li>
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* <li>退药后将状态回滚为 {@link OrderStatus#READY_FOR_DISPENSE}，并记录退药时间。</li>
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* <li>将所有关联的明细单 {@link OrderDetail} 状态同步置为 {@link OrderStatus#CANCELLED}。</li>
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* <li>同步更新对应的 {@link OrderMain} 统计信息，保持明细与汇总单一致。</li>
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* <li>将对应的排班号 {@code ScheduleSlot}（号源）状态恢复为可预约（{@link OrderStatus#AVAILABLE}），
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* 同时清除已占用的患者信息。</li>
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* </ul>
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* </ul>
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*
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*
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* @param detailId 明细主键
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* <p>所有更新必须在同一事务内完成，确保数据一致性。
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*/
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@Transactional(rollbackFor = Exception.class)
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@Override
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public void returnMedication(Long detailId) {
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OrderDetail detail = orderDetailMapper.selectByPrimaryKey(detailId);
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if (detail == null) {
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throw new BusinessException("药品退药明细不存在，ID=" + detailId);
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}
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if (!OrderStatus.DISPENSED.equals(detail.getStatus())) {
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throw new BusinessException("只有已发药状态的明细才能退药，当前状态=" + detail.getStatus());
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}
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// 回滚状态
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detail.setStatus(OrderStatus.READY_FOR_DISPENSE);
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detail.setReturnTime(System.currentTimeMillis());
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orderDetailMapper.updateByPrimaryKeySelective(detail);
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log.info("药品退药明细已回滚为待发药，detailId={}", detailId);
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// 同步更新汇总单统计
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OrderMain main = orderMainMapper.selectByPrimaryKey(detail.getOrderMainId());
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if (main != null) {
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recalculateOrderMainStatistics(main);
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orderMainMapper.updateByPrimaryKeySelective(main);
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log.info("退药后发药汇总单统计已同步更新，orderMainId={}", main.getId());
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}
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}
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/**
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* 取消订单（门诊/住院）——统一处理状态同步。
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*
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*
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* @param orderMainId 汇总单主键
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* @param orderMainId 主单ID
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* @throws BusinessException 如果主单不存在或已被处理
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*/
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*/
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@Transactional(rollbackFor = Exception.class)
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@Override
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void cancelOrder(Long orderMainId) {
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public void cancelOrder(Long orderMainId) {
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// 1. 查询主单
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OrderMain main = orderMainMapper.selectByPrimaryKey(orderMainId);
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OrderMain main = orderMainMapper.selectByPrimaryKey(orderMainId);
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if (main == null) {
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if (main == null) {
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throw new BusinessException("订单不存在，orderMainId=" + orderMainId);
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log.warn("Cancel order failed: OrderMain not found, id={}", orderMainId);
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throw new BusinessException("挂号记录不存在");
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}
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}
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// 更新汇总单状态
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// 2. 已经是取消状态则直接返回，避免重复操作
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main.setStatus(OrderStatus.CANCELLED);
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if (OrderStatus.CANCELLED.getCode().equals(main.getStatus())) {
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log.info("OrderMain already cancelled, id={}", orderMainId);
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return;
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}
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// 3. 更新主单状态
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main.setStatus(OrderStatus.CANCELLED.getCode());
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orderMainMapper.updateByPrimaryKeySelective(main);
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orderMainMapper.updateByPrimaryKeySelective(main);
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log.info("OrderMain status set to CANCELLED, id={}", orderMainId);
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// 更新所有关联明细状态
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// 4. 更新所有明细单状态
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OrderDetail condition = new OrderDetail();
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OrderDetail example = new OrderDetail();
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condition.setOrderMainId(orderMainId);
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example.setOrderMainId(orderMainId);
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List<OrderDetail> details = orderDetailMapper.select(condition);
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List<OrderDetail> details = orderDetailMapper.select(example);
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for (OrderDetail d : details) {
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if (details != null && !details.isEmpty()) {
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d.setStatus(OrderStatus.CANCELLED);
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for (OrderDetail d : details) {
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orderDetailMapper.updateByPrimaryKeySelective(d);
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d.setStatus(OrderStatus.CANCELLED.getCode());
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orderDetailMapper.updateByPrimaryKeySelective(d);
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}
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log.info("Updated {} OrderDetail records to CANCELLED for OrderMain id={}",
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details.size(), orderMainId);
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}
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}
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// 更新排班槽状态（如果有）
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// 5. 恢复对应的号源（ScheduleSlot）状态
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scheduleSlotMapper.updateStatusByOrderMainId(orderMainId, OrderStatus.CANCELLED);
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// 假设 OrderMain 中保存了 scheduleSlotId，若无则通过业务规则自行查询
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log.info("订单已取消，已同步更新 OrderMain、OrderDetail、ScheduleSlot 状态，orderMainId={}", orderMainId);
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Long scheduleSlotId = main.getScheduleSlotId();
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if (scheduleSlotId != null) {
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// 读取号源
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var slot = scheduleSlotMapper.selectByPrimaryKey(scheduleSlotId);
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if (slot != null) {
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slot.setStatus(OrderStatus.AVAILABLE.getCode()); // 可预约状态
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// 清除占用信息，防止残留
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slot.setPatientId(null);
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slot.setPatientName(null);
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scheduleSlotMapper.updateByPrimaryKeySelective(slot);
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log.info("ScheduleSlot id={} set to AVAILABLE after cancel", scheduleSlotId);
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} else {
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log.warn("ScheduleSlot not found for id={}, skip status reset", scheduleSlotId);
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}
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} else {
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log.warn("OrderMain id={} does not contain scheduleSlotId, skip slot reset", orderMainId);
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}
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}
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}
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// -------------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// 其它已有业务方法（分页查询、创建订单等）保持不变
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// 其它实现细节（如发药、退药等）保持不变
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// -------------------------------------------------------------------------
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// -----------------------------------------------------------------------
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@Override
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public Page<OrderMain> listOrderMains(int pageNum, int pageSize) {
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PageHelper.startPage(pageNum, pageSize);
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return (Page<OrderMain>) orderMainMapper.selectAll();
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}
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// 省略其它方法实现...
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}
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}
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