update

liujie

2026-08-21 77649c76ec1c3afcb93e9963243d637665b3a307

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package com.tourguide.modules.order.service;
 
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.tourguide.common.api.PageResponse;
import com.tourguide.common.exception.BusinessException;
import com.tourguide.modules.order.domain.OrderStatus;
import com.tourguide.modules.order.dto.GuideOrderResponse;
import com.tourguide.modules.order.entity.TourOrder;
import com.tourguide.modules.order.mapper.TourOrderMapper;
import com.tourguide.modules.user.entity.GuideReceivingSession;
import com.tourguide.modules.user.mapper.GuideRealtimeStatusMapper;
import com.tourguide.modules.user.mapper.GuideReceivingSessionMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
 
import java.time.LocalDateTime;
import java.util.Arrays;
import java.util.stream.Collectors;
 
/** 导游端订单查询服务，所有查询均限定当前导游本人。 */
@Service
public class GuideTourOrderService {
    private static final String TAB_ALL = "all";
    private static final String TAB_ACCEPTED = "accepted";
    private static final String TAB_SERVING = "serving";
    private static final String TAB_COMPLETED = "completed";
 
    private final TourOrderMapper orderMapper;
    private final GuideReceivingSessionMapper sessionMapper;
    private final GuideRealtimeStatusMapper realtimeStatusMapper;
 
    public GuideTourOrderService(TourOrderMapper orderMapper, GuideReceivingSessionMapper sessionMapper,
                                 GuideRealtimeStatusMapper realtimeStatusMapper) {
        this.orderMapper = orderMapper;
        this.sessionMapper = sessionMapper;
        this.realtimeStatusMapper = realtimeStatusMapper;
    }
 
    public PageResponse<GuideOrderResponse> page(Long guideId, String tab, long page, long size) {
        LambdaQueryWrapper<TourOrder> query = new LambdaQueryWrapper<TourOrder>()
                .eq(TourOrder::getGuideId, guideId);
        applyTabFilter(query, normalizeTab(tab));
        query.orderByDesc(TourOrder::getAcceptedAt)
                .orderByDesc(TourOrder::getId);
        Page<TourOrder> result = orderMapper.selectPage(new Page<TourOrder>(page, size), query);
        return new PageResponse<GuideOrderResponse>(
                result.getRecords().stream().map(GuideOrderResponse::from).collect(Collectors.toList()),
                result.getTotal(), result.getCurrent(), result.getSize());
    }
 
    public GuideOrderResponse detail(Long guideId, Long orderId) {
        TourOrder order = findOwnedOrder(guideId, orderId);
        if (order == null) {
            throw new BusinessException(404, "订单不存在");
        }
        return GuideOrderResponse.from(order);
    }
 
    @Transactional
    public GuideOrderResponse start(Long guideId, Long orderId) {
        TourOrder order = findOwnedOrder(guideId, orderId);
        if (order == null) {
            throw new BusinessException(404, "订单不存在");
        }
        if (OrderStatus.IN_SERVICE.matches(order.getStatus())) {
            return GuideOrderResponse.from(order);
        }
        if (!OrderStatus.PENDING_MEETING.matches(order.getStatus()) || order.getReceivingSessionId() == null) {
            throw new BusinessException(400, "当前订单不能开始讲解");
        }
 
        GuideReceivingSession session = sessionMapper.selectForUpdate(order.getReceivingSessionId(), guideId);
        if (session == null) {
            throw new BusinessException(400, "接单会话不存在或已结束");
        }
        if ("IN_SERVICE".equals(session.getStatus())) {
            order.setStatus(OrderStatus.IN_SERVICE.getCode());
            return GuideOrderResponse.from(order);
        }
        if (!"RECEIVING".equals(session.getStatus()) && !"ASSIGNED".equals(session.getStatus())) {
            throw new BusinessException(400, "接单会话已结束，不能开始讲解");
        }
 
        LocalDateTime startedAt = LocalDateTime.now();
        if (sessionMapper.startSession(session.getId(), guideId) != 1
                || orderMapper.startSessionOrders(session.getId(), startedAt) == 0) {
            throw new BusinessException(409, "讲解状态已变化，请刷新后重试");
        }
        realtimeStatusMapper.disableReceiving(guideId);
        order.setStatus(OrderStatus.IN_SERVICE.getCode());
        order.setServiceStartedAt(startedAt);
        return GuideOrderResponse.from(order);
    }
 
    private TourOrder findOwnedOrder(Long guideId, Long orderId) {
        return orderMapper.selectOne(new LambdaQueryWrapper<TourOrder>()
                .eq(TourOrder::getId, orderId)
                .eq(TourOrder::getGuideId, guideId)
                .last("LIMIT 1"));
    }
 
    private String normalizeTab(String tab) {
        return StringUtils.hasText(tab) ? tab.trim() : TAB_ALL;
    }
 
    private void applyTabFilter(LambdaQueryWrapper<TourOrder> query, String tab) {
        if (TAB_ALL.equals(tab)) {
            query.ne(TourOrder::getStatus, OrderStatus.PENDING_PAYMENT.getCode());
            return;
        }
        if (TAB_ACCEPTED.equals(tab)) {
            query.in(TourOrder::getStatus,
                    OrderStatus.PENDING_ACCEPT.getCode(), OrderStatus.PENDING_MEETING.getCode());
            return;
        }
        if (TAB_SERVING.equals(tab)) {
            query.eq(TourOrder::getStatus, OrderStatus.IN_SERVICE.getCode());
            return;
        }
        if (TAB_COMPLETED.equals(tab)) {
            query.in(TourOrder::getStatus, Arrays.asList(
                    OrderStatus.COMPLETED.getCode(), OrderStatus.CANCELLED.getCode(), OrderStatus.REFUNDED.getCode()));
            return;
        }
        throw new BusinessException(400, "订单筛选状态不合法");
    }
}