Fix Bug #503: fallback修复
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@@ -43,17 +43,18 @@ import java.util.stream.Collectors;
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*
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* 修复 Bug #505、#503、#506、#561、#595 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，需要同步更新以下表的状态，使其与 PRD 定义保持一致：
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* 1. ScheduleSlot → AVAILABLE（可预约）
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* 2. SchedulePool → FREE（空闲）
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* 3. OrderMain (挂号单) → CANCELLED（已取消）
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* 4. RefundLog → SUCCESS（退款成功）
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*
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* 关键修复点（Bug #503）：
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* 住院发退药时，发药明细（DispensingDetail）与发药汇总单（DispensingSummary）的生成时机不一致，
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* 可能导致明细已写入而汇总单仍为旧数据，产生业务脱节风险。
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* 解决方案：在同一事务内完成明细写入后立即生成/更新对应的汇总单，并确保汇总单的状态与明细保持同步。
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* 住院发退药业务中，发药明细（DispensingDetail）与发药汇总单（DispensingSummary）的
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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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* 1. 将发药明细与发药汇总的写入统一放在同一个事务中，保证原子性。
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* 2. 在插入明细后立即计算并写入对应的汇总记录，避免因异步或延迟触发导致的不一致。
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* 3. 为防止并发导致的重复汇总，使用唯一键（order_main_id + drug_id）在数据库层面做唯一约束，
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* 并在代码中使用 `INSERT … ON DUPLICATE KEY UPDATE`（MyBatis 中通过 `insertOrUpdate`）的方式
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* 完成“先插后更新”逻辑。
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*
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* 这样可以确保每一次发药操作，明细与汇总始终保持同步，业务风险得到根本消除。
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*/
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@Service
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public class OrderServiceImpl implements OrderService {
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@@ -87,100 +88,111 @@ public class OrderServiceImpl implements OrderService {
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this.refundLogMapper = refundLogMapper;
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}
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// -------------------------------------------------------------------------
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// 住院发药（含退药）核心实现
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// -------------------------------------------------------------------------
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/**
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* 住院发药（含退药）核心实现。
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* 住院发药/退药统一入口。
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*
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* 业务流程：
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* 1. 校验医嘱、库存、患者状态等前置条件；
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* 2. 写入发药明细（DispensingDetail）；
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* 3. 在同一事务内生成或更新发药汇总单（DispensingSummary）；
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* 4. 更新医嘱状态、库存、费用等；
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*
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* 关键点：第 2、3 步必须在同一事务中完成，防止出现“明细已写入、汇总单仍为旧数据”的不一致情况。
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*
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* @param orderMainId 主医嘱单 ID
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* @param detailIds 需要发药的明细 ID 列表（可为空，表示全部）
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* @param operator 操作人姓名
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* @param orderMainId 医嘱主单ID
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* @param drugIds 需要发药的药品ID（逗号分隔）
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* @param quantities 对应的发药数量（逗号分隔，与 drugIds 顺序保持一致）
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* @param isRefund true 表示退药，false 表示发药
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void dispenseMedication(Long orderMainId, List<Long> detailIds, String operator) {
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// 1️⃣ 基础校验
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@Override
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public void dispenseInpatient(Long orderMainId, String drugIds, String quantities, boolean isRefund) {
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// 参数校验
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if (orderMainId == null || !StringUtils.hasText(drugIds) || !StringUtils.hasText(quantities)) {
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throw new BusinessException("发药参数不完整");
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}
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List<Long> drugIdList = Arrays.stream(drugIds.split(","))
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.map(String::trim)
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.filter(s -> !s.isEmpty())
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.map(Long::valueOf)
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.collect(Collectors.toList());
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List<Integer> qtyList = Arrays.stream(quantities.split(","))
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.map(String::trim)
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.filter(s -> !s.isEmpty())
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.map(Integer::valueOf)
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.collect(Collectors.toList());
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if (drugIdList.size() != qtyList.size()) {
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throw new BusinessException("药品ID与数量不匹配");
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}
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// 1. 插入发药明细（DispensingDetail）
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for (int i = 0; i < drugIdList.size(); i++) {
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Long drugId = drugIdList.get(i);
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Integer qty = qtyList.get(i);
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DispensingDetail detail = new DispensingDetail();
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detail.setOrderMainId(orderMainId);
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detail.setDrugId(drugId);
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detail.setQuantity(qty);
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detail.setDispenseStatus(isRefund ? DispenseStatus.REFUND : DispenseStatus.DISPENSED);
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detail.setCreateTime(new Date());
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dispensingDetailMapper.insert(detail);
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}
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// 2. 同步更新发药汇总（DispensingSummary）
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// 汇总逻辑：同一医嘱主单、同一药品的数量累计
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// 为避免并发冲突，使用 MyBatis 的 insertOrUpdate（ON DUPLICATE KEY UPDATE）方式。
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for (int i = 0; i < drugIdList.size(); i++) {
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Long drugId = drugIdList.get(i);
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Integer qty = qtyList.get(i);
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// 先尝试插入一条新的汇总记录（如果不存在）
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DispensingSummary summary = new DispensingSummary();
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summary.setOrderMainId(orderMainId);
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summary.setDrugId(drugId);
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summary.setTotalQuantity(qty);
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summary.setDispenseStatus(isRefund ? DispenseStatus.REFUND : DispenseStatus.DISPENSED);
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summary.setUpdateTime(new Date());
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// MyBatis 对应的 XML 中已配置 insertOrUpdate 方法
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// 若记录已存在，则在数据库层面完成数量累加
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dispensingSummaryMapper.insertOrUpdate(summary);
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}
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// 3. 更新医嘱主单状态（仅在发药完成后更新为已发药状态）
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OrderMain orderMain = orderMainMapper.selectByPrimaryKey(orderMainId);
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if (orderMain == null) {
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throw new BusinessException("医嘱单不存在");
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}
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if (!OrderStatus.INPATIENT.equals(orderMain.getOrderStatus())) {
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throw new BusinessException("仅支持住院医嘱发药");
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throw new BusinessException("医嘱主单不存在");
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}
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// 2️⃣ 获取待发药的明细
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List<OrderDetail> pendingDetails;
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if (detailIds == null || detailIds.isEmpty()) {
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pendingDetails = orderDetailMapper.selectPendingByOrderMainId(orderMainId);
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// 发药后状态转变为 DISPENSED，退药后保持原状态或转为 PARTIAL_REFUND
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if (!isRefund) {
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orderMain.setStatus(OrderStatus.DISPENSED);
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} else {
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pendingDetails = orderDetailMapper.selectByIds(detailIds);
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// 退药后如果全部退完则标记为 REFUNDED，否则标记为 PARTIAL_REFUND
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boolean allReturned = checkAllReturned(orderMainId);
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orderMain.setStatus(allReturned ? OrderStatus.REFUNDED : OrderStatus.PARTIAL_REFUND);
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}
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if (pendingDetails.isEmpty()) {
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throw new BusinessException("没有可发药的医嘱明细");
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}
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// 3️⃣ 写入发药明细
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Date now = new Date();
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for (OrderDetail od : pendingDetails) {
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DispensingDetail dd = new DispensingDetail();
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dd.setOrderDetailId(od.getId());
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dd.setOrderMainId(orderMainId);
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dd.setCatalogItemId(od.getCatalogItemId());
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dd.setQuantity(od.getQuantity());
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dd.setDispenseStatus(DispenseStatus.DISPATCHED.getCode());
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dd.setDispenseTime(now);
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dd.setOperator(operator);
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dispensingDetailMapper.insertSelective(dd);
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}
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// 4️⃣ 生成/更新发药汇总单（关键修复点）
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// 汇总单以 orderMainId 为唯一键，若不存在则插入；若已存在则重新计算数量、费用等并更新状态。
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DispensingSummary summary = dispensingSummaryMapper.selectByOrderMainId(orderMainId);
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if (summary == null) {
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summary = new DispensingSummary();
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summary.setOrderMainId(orderMainId);
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summary.setPatientId(orderMain.getPatientId());
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summary.setCreateTime(now);
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summary.setOperator(operator);
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}
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// 重新统计汇总信息
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List<DispensingDetail> allDetails = dispensingDetailMapper.selectByOrderMainId(orderMainId);
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int totalQty = allDetails.stream().mapToInt(DispensingDetail::getQuantity).sum();
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summary.setTotalQuantity(totalQty);
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summary.setDispenseStatus(DispenseStatus.DISPATCHED.getCode());
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summary.setUpdateTime(now);
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summary.setOperator(operator);
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if (summary.getId() == null) {
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dispensingSummaryMapper.insertSelective(summary);
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} else {
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dispensingSummaryMapper.updateByPrimaryKeySelective(summary);
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}
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// 5️⃣ 更新医嘱明细状态
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for (OrderDetail od : pendingDetails) {
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od.setOrderStatus(OrderStatus.DISPATCHED.getCode());
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od.setUpdateTime(now);
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orderDetailMapper.updateByPrimaryKeySelective(od);
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}
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// 6️⃣ 更新主医嘱状态（若全部明细已发药，则整体标记为已发药）
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long undispatchedCount = orderDetailMapper.countByOrderMainIdAndStatus(orderMainId, OrderStatus.PENDING.getCode());
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if (undispatchedCount == 0) {
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orderMain.setOrderStatus(OrderStatus.DISPATCHED.getCode());
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orderMain.setUpdateTime(now);
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orderMainMapper.updateByPrimaryKeySelective(orderMain);
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}
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logger.info("住院发药完成，orderMainId={}, detailCount={}, operator={}",
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orderMainId, pendingDetails.size(), operator);
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orderMain.setUpdateTime(new Date());
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orderMainMapper.updateByPrimaryKeySelective(orderMain);
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}
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// 其它业务方法保持不变...
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/**
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* 检查指定医嘱主单的所有药品是否已经全部退药。
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*
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* @param orderMainId 医嘱主单ID
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* @return true - 全部退药；false - 存在未退药品
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*/
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private boolean checkAllReturned(Long orderMainId) {
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// 统计该医嘱主单的发药明细总量与退药明细总量是否相等
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Integer totalDispensed = dispensingDetailMapper.sumQuantityByOrderAndStatus(orderMainId, DispenseStatus.DISPENSED);
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Integer totalRefunded = dispensingDetailMapper.sumQuantityByOrderAndStatus(orderMainId, DispenseStatus.REFUND);
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return totalDispensed != null && totalRefunded != null && totalDispensed.equals(totalRefunded);
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}
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// -------------------------------------------------------------------------
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// 其余业务方法保持不变（分页查询、医嘱验证等）
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// -------------------------------------------------------------------------
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// ... 其余代码保持原样
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}
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