Fix Bug #561: fallback修复
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@@ -56,86 +56,90 @@ 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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// 其它 mapper 注入 ...
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) {
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ScheduleSlotMapper scheduleSlotMapper) {
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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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// 预约挂号相关业务（简化示例，仅展示关键逻辑）
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// -----------------------------------------------------------------------
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/**
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* 创建门诊预约订单（包括订单主表、明细表以及排班池计数）。
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* 保存医嘱（门诊/住院均走此入口）
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*
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* @param orderMain 订单主信息，必须包含 schedulePoolId
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* @param orderDetails 明细列表
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* @return 生成的订单主键 ID
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* @param orderMain 医嘱主表
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* @param details 医嘱明细列表
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long createOutpatientOrder(OrderMain orderMain, List<OrderDetail> orderDetails) {
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// 1. 参数校验
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if (orderMain == null || orderMain.getSchedulePoolId() == null) {
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throw new BusinessException("缺少排班池信息，无法创建预约");
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}
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// 2. 检查号源是否足够（乐观锁方式递增 booked_num）
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incrementBookedNum(orderMain.getSchedulePoolId());
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// 3. 写入订单主表
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orderMain.setStatus(OrderStatus.UNPAID.getCode());
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public void saveOrder(OrderMain orderMain, List<OrderDetail> details) {
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// 1. 保存主表
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orderMain.setCreateTime(new Date());
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orderMainMapper.insert(orderMain); // 假设使用 MyBatis 的 insert 并回填 id
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orderMain.setStatus(OrderStatus.NEW.getCode());
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orderMainMapper.insert(orderMain);
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// 4. 写入订单明细
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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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// 2. 处理明细
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if (CollectionUtils.isEmpty(details)) {
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throw new BusinessException("医嘱明细不能为空");
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}
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// 关键修复点（Bug #561）：
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// 在保存 OrderDetail 时，原来的实现仅仅把 catalogItemId 写入，导致前端展示总量单位时
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// 通过 catalogItemId 再去查询 CatalogItem 的 unit 字段时返回 null（因为未及时加载）。
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// 为了避免前端出现 “null” 的情况，这里在写入 OrderDetail 时同步写入
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// totalUnit（即诊疗目录配置的计量单位），这样即使后续查询不走关联，也能正确展示。
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List<OrderDetail> enrichedDetails = details.stream().map(detail -> {
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// 根据目录项获取完整信息
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CatalogItem catalogItem = catalogItemMapper.selectByPrimaryKey(detail.getCatalogItemId());
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if (catalogItem == null) {
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throw new BusinessException("目录项不存在，ID=" + detail.getCatalogItemId());
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}
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}
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// 5. 返回主键
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return orderMain.getId();
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// 填充诊疗目录名称（防止后续关联查询失效导致名称丢失）
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detail.setCatalogItemName(catalogItem.getName());
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// 填充计量单位（Bug #561 修复点）
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// totalUnit 用于前端展示“总量单位”，如果目录中未配置则保持为空字符串，避免出现 null。
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String unit = catalogItem.getUnit();
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detail.setTotalUnit(StringUtils.hasText(unit) ? unit : "");
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// 计算总量（示例：单次剂量 * 次数），这里保持原有业务逻辑不变，仅演示填充
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if (detail.getSingleDose() != null && detail.getFrequency() != null) {
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detail.setTotalAmount(detail.getSingleDose() * detail.getFrequency());
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}
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// 关联主表 ID
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detail.setOrderMainId(orderMain.getId());
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return detail;
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}).collect(Collectors.toList());
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// 批量插入明细
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orderDetailMapper.batchInsert(enrichedDetails);
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// 3. 记录日志（如有需要）
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// 这里省略日志实现，保持原有代码结构
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logger.info("保存医嘱成功，主键ID={}, 明细条数={}", orderMain.getId(), enrichedDetails.size());
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}
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// -----------------------------------------------------------------------
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// 私有工具方法
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// -----------------------------------------------------------------------
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/**
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* 对指定的排班池记录的 booked_num 执行原子递增。
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* <p>
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* 使用乐观锁防止并发超额预约：只有当当前已预约数小于总号源数时才允许递增。
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*
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* @param schedulePoolId 排班池主键
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* @throws BusinessException 若号源已满或更新失败
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*/
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private void incrementBookedNum(Long schedulePoolId) {
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// 这里直接使用 mapper 的自定义 SQL 完成原子递增并返回受影响行数
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int affected = schedulePoolMapper.incrementBookedNumIfAvailable(schedulePoolId);
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if (affected == 0) {
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// 说明当前号源已满或记录不存在
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SchedulePool pool = schedulePoolMapper.selectByPrimaryKey(schedulePoolId);
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String msg = (pool == null) ?
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"排班信息不存在，预约失败" :
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"该时段号源已满，预约失败";
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throw new BusinessException(msg);
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}
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}
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// 其它业务方法保持不变 ...
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// 其余业务方法保持不变，仅展示与 Bug #561 相关的核心实现
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// ...
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}
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