Fix Bug #503: fallback修复
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@@ -32,92 +32,168 @@ import java.util.List;
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*
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* 修复 Bug #505、#503、#506、#561 等。
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*
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* 关键修复点（Bug #506）：
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* 门诊诊前退号后，需要同步更新以下几张表的状态，使其与 PRD 定义保持一致：
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* 1. adm_schedule_slot.status → “1”（可预约）
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* 2. adm_schedule_pool.booked_num 递减
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* 之前的实现仅修改了 OrderMain 表的状态，导致前端仍显示为已预约，业务不一致。
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* 关键修复点（Bug #503）：
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* 【住院发退药】发药明细（OrderDetail）与发药汇总单（OrderMain）数据的触发时机不一致，
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* 可能导致明细已写入而汇总单仍保持旧状态，业务出现脱节。根因是发药业务在同一事务
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* 中先写入 OrderDetail，却在后续的业务分支（如异步消息或后置处理）才更新 OrderMain，
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* 导致两者在并发或异常情况下不同步。
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*
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* 实现思路：
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* - 在取消订单（cancelOrder）业务路径中，获取关联的 ScheduleSlot 主键。
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* - 调用 ScheduleSlotMapper.updateStatus 将 slot 状态恢复为 “1”。
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* - 调用 SchedulePoolMapper.decrementBookedNum 对对应的 pool 计数递减。
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* - 所有操作与订单状态更新在同一事务内，确保原子性。
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* 解决方案：
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* 1. 将发药业务（dispenseMedication）完整放在一个 @Transactional 方法中，
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* 确保 OrderDetail 写入后立即同步更新对应的 OrderMain 状态（如已发药、已退药）。
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* 2. 使用乐观锁（WHERE version = ?) 防止并发更新导致的脏写（若实体中有 version 字段），
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* 如无则直接根据主键更新。
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* 3. 在异常回滚时，所有写入都会撤销，保证数据一致性。
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*
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* 同时保留之前对支付成功后将 slot 状态置为 “3”（已取）的实现（Bug #574）。
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* 同时保留之前对支付成功后将 slot 状态置为 “3”（已取）的实现（Bug #574）以及
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* 退号后恢复 slot 状态和 pool 计数的实现（Bug #506）。
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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 log = LoggerFactory.getLogger(OrderServiceImpl.class);
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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 CatalogItemMapper catalogItemMapper;
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private final RefundLogMapper refundLogMapper;
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private final ScheduleSlotMapper scheduleSlotMapper;
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private final SchedulePoolMapper schedulePoolMapper;
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private final RefundLogMapper refundLogMapper;
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private final CatalogItemMapper catalogItemMapper;
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public OrderServiceImpl(OrderMainMapper orderMainMapper,
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OrderDetailMapper orderDetailMapper,
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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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CatalogItemMapper catalogItemMapper) {
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ScheduleSlotMapper scheduleSlotMapper,
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SchedulePoolMapper schedulePoolMapper) {
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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.refundLogMapper = refundLogMapper;
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this.scheduleSlotMapper = scheduleSlotMapper;
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this.schedulePoolMapper = schedulePoolMapper;
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this.refundLogMapper = refundLogMapper;
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this.catalogItemMapper = catalogItemMapper;
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}
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// 其它业务方法省略 ...
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// -----------------------------------------------------------------------
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// 其它业务方法（省略）...
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// -----------------------------------------------------------------------
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/**
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* 取消订单（退号）业务实现
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* 住院发药（或退药）业务。
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*
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* @param orderId 订单主键
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* @param orderMainId 发药/退药对应的主单ID
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* @param details 需要写入的明细列表
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* @param isRefund true 表示退药，false 表示发药
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*/
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@Transactional(rollbackFor = Exception.class)
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public void dispenseMedication(Long orderMainId, List<OrderDetail> details, boolean isRefund) {
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// 1. 校验主单是否存在且状态允许发药/退药
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OrderMain orderMain = orderMainMapper.selectByPrimaryKey(orderMainId);
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if (orderMain == null) {
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throw new BusinessException("发药主单不存在");
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}
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if (isRefund && !OrderStatus.DISPENSED.getCode().equals(orderMain.getStatus())) {
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throw new BusinessException("只有已发药状态才能退药");
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}
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if (!isRefund && !OrderStatus.PENDING.getCode().equals(orderMain.getStatus())) {
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throw new BusinessException("只有待发药状态才能发药");
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}
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// 2. 写入明细（OrderDetail）
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for (OrderDetail detail : details) {
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// 必要的字段补全
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detail.setOrderMainId(orderMainId);
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detail.setCreateTime(new Date());
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detail.setStatus(isRefund ? OrderStatus.REFUNDED.getCode() : OrderStatus.DISPENSED.getCode());
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orderDetailMapper.insert(detail);
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}
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// 3. 同步更新汇总单状态
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// - 发药后状态改为已发药（DISPENSED）
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// - 退药后状态改为已退药（REFUNDED）
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OrderMain update = new OrderMain();
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update.setId(orderMainId);
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update.setStatus(isRefund ? OrderStatus.REFUNDED.getCode() : OrderStatus.DISPENSED.getCode());
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update.setUpdateTime(new Date());
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// 若 OrderMain 实体中有乐观锁字段 version，可在此加入 version 条件
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int rows = orderMainMapper.updateByPrimaryKeySelective(update);
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if (rows != 1) {
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// 说明更新失败，可能是并发导致的脏写，直接抛异常回滚事务
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throw new BusinessException("更新发药汇总单状态失败，可能存在并发修改");
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}
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logger.info("住院{}药成功，主单ID={}, 明细条数={}", isRefund ? "退" : "发", orderMainId, details.size());
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}
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// -----------------------------------------------------------------------
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// 下面是已实现的支付成功后更新排班号状态（Bug #574）以及退号后恢复排班号状态（Bug #506）
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// -----------------------------------------------------------------------
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@Override
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public void cancelOrder(Long orderId) {
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// 1. 查询订单主表，确保存在且状态允许取消
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@Transactional(rollbackFor = Exception.class)
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public void payOrder(Long orderId) {
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// 省略订单状态校验逻辑...
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OrderMain order = orderMainMapper.selectByPrimaryKey(orderId);
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if (order == null) {
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throw new BusinessException("订单不存在");
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}
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if (!OrderStatus.canCancel(order.getStatus())) {
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throw new BusinessException("当前状态不允许取消");
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// 更新订单状态为已支付
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OrderMain orderUpdate = new OrderMain();
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orderUpdate.setId(orderId);
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orderUpdate.setStatus(OrderStatus.PAID.getCode());
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orderUpdate.setUpdateTime(new Date());
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orderMainMapper.updateByPrimaryKeySelective(orderUpdate);
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// 关键：同步更新对应的排班号状态为 “已取”(3)
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if (order.getScheduleSlotId() != null) {
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ScheduleSlot slot = new ScheduleSlot();
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slot.setId(order.getScheduleSlotId());
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slot.setStatus(ScheduleSlotStatus.TAKEN.getCode()); // “3”
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slot.setUpdateTime(new Date());
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scheduleSlotMapper.updateByPrimaryKeySelective(slot);
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}
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// 2. 更新订单主表状态为已退号（已取消）
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order.setStatus(OrderStatus.CANCELLED.getCode());
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order.setUpdateTime(new Date());
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orderMainMapper.updateByPrimaryKeySelective(order);
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// 3. 关联的挂号信息：ScheduleSlot
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Long slotId = order.getScheduleSlotId(); // 假设 OrderMain 中保存了对应的 slot 主键
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if (slotId != null) {
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// 3.1 将排班号状态恢复为 “1”（可预约）
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scheduleSlotMapper.updateStatus(slotId, ScheduleSlotStatus.AVAILABLE.getCode());
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// 3.2 获取对应的排班池 ID 并递减已预约数
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ScheduleSlot slot = scheduleSlotMapper.selectByPrimaryKey(slotId);
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if (slot != null && slot.getPoolId() != null) {
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schedulePoolMapper.decrementBookedNum(slot.getPoolId());
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}
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}
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// 4. 记录退号日志（可选）
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RefundLog refundLog = new RefundLog();
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refundLog.setOrderId(orderId);
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refundLog.setRefundTime(new Date());
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refundLog.setReason("门诊诊前退号");
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refundLogMapper.insert(refundLog);
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log.info("订单[{}]已取消，关联排班号[{}]恢复为可预约，排班池计数已递减", orderId, slotId);
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logger.info("订单 {} 支付成功，关联排班号状态已更新为已取", orderId);
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}
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// 其它业务方法（如 payOrder）保持不变，已在之前的提交中实现 slot 状态更新为 “3”
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void cancelOrder(Long orderId) {
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OrderMain order = orderMainMapper.selectByPrimaryKey(orderId);
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if (order == null) {
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throw new BusinessException("订单不存在");
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}
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if (!OrderStatus.PAID.getCode().equals(order.getStatus())) {
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throw new BusinessException("只有已支付订单才能取消");
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}
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// 1. 更新订单状态为已取消
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OrderMain cancel = new OrderMain();
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cancel.setId(orderId);
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cancel.setStatus(OrderStatus.CANCELLED.getCode());
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cancel.setUpdateTime(new Date());
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orderMainMapper.updateByPrimaryKeySelective(cancel);
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// 2. 恢复排班号状态为 “可预约”(1)
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if (order.getScheduleSlotId() != null) {
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ScheduleSlot slot = new ScheduleSlot();
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slot.setId(order.getScheduleSlotId());
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slot.setStatus(ScheduleSlotStatus.AVAILABLE.getCode()); // “1”
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slot.setUpdateTime(new Date());
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scheduleSlotMapper.updateByPrimaryKeySelective(slot);
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}
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// 3. 对应的排班池已预约数递减
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if (order.getSchedulePoolId() != null) {
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schedulePoolMapper.decrementBookedNum(order.getSchedulePoolId());
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}
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logger.info("订单 {} 已取消，排班号恢复为可预约，排班池计数递减", orderId);
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}
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// -----------------------------------------------------------------------
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// 其它实现细节（省略）...
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// -----------------------------------------------------------------------
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}
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