package com.tourguide.modules.order.service;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.tourguide.common.exception.BusinessException;
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import com.tourguide.modules.operation.entity.OperationScenicSpot;
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import com.tourguide.modules.operation.entity.ScenicMeetingPoint;
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import com.tourguide.modules.operation.entity.ScenicPricing;
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import com.tourguide.modules.operation.mapper.OperationScenicSpotMapper;
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import com.tourguide.modules.operation.mapper.ScenicMeetingPointMapper;
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import com.tourguide.modules.operation.mapper.ScenicPricingMapper;
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import com.tourguide.modules.operation.service.PlatformSettingsService;
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import com.tourguide.modules.order.domain.OrderStatus;
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import com.tourguide.modules.order.domain.PaymentMethod;
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import com.tourguide.modules.order.domain.RefundStatus;
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import com.tourguide.modules.order.dto.MiniOrderCreateRequest;
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import com.tourguide.modules.order.dto.TourOrderResponse;
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import com.tourguide.modules.order.entity.TourOrder;
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import com.tourguide.modules.order.mapper.TourOrderMapper;
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import com.tourguide.modules.system.service.GuideNotificationService;
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import com.tourguide.modules.user.entity.MiniUser;
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import com.tourguide.modules.user.entity.GuideUser;
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import com.tourguide.modules.user.mapper.GuideUserMapper;
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import com.tourguide.modules.user.service.MiniUserService;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.math.BigDecimal;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.UUID;
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/** 小程序讲解订单创建及状态流转服务。 */
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@Service
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public class MiniTourOrderCommandService {
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private static final int DEFAULT_UNPAID_CANCEL_MINUTES = 15;
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private final TourOrderMapper orderMapper;
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private final MiniUserService miniUserService;
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private final OperationScenicSpotMapper scenicSpotMapper;
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private final ScenicMeetingPointMapper meetingPointMapper;
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private final ScenicPricingMapper pricingMapper;
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private final GuideUserMapper guideUserMapper;
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private final PlatformSettingsService platformSettingsService;
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private final GuideNotificationService notificationService;
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private final OrderRefundService orderRefundService;
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private final GuideOrderMatchingService matchingService;
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private final boolean skipPayment;
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public MiniTourOrderCommandService(TourOrderMapper orderMapper,
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MiniUserService miniUserService,
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OperationScenicSpotMapper scenicSpotMapper,
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ScenicMeetingPointMapper meetingPointMapper,
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ScenicPricingMapper pricingMapper,
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GuideUserMapper guideUserMapper,
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PlatformSettingsService platformSettingsService,
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GuideNotificationService notificationService,
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OrderRefundService orderRefundService,
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GuideOrderMatchingService matchingService,
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@Value("${tourguide.order.skip-payment:false}") boolean skipPayment) {
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this.orderMapper = orderMapper;
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this.miniUserService = miniUserService;
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this.scenicSpotMapper = scenicSpotMapper;
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this.meetingPointMapper = meetingPointMapper;
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this.pricingMapper = pricingMapper;
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this.guideUserMapper = guideUserMapper;
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this.platformSettingsService = platformSettingsService;
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this.notificationService = notificationService;
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this.orderRefundService = orderRefundService;
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this.matchingService = matchingService;
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this.skipPayment = skipPayment;
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}
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@Transactional
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public TourOrderResponse create(Long visitorId, MiniOrderCreateRequest request) {
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MiniUser visitor = miniUserService.findEnabledById(visitorId);
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ensureNoUnfinishedOrder(visitor.getId());
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OperationScenicSpot scenicSpot = requireScenicSpot(request.getScenicSpotId());
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ScenicMeetingPoint meetingPoint = requireMeetingPoint(request.getMeetingPointId(), scenicSpot.getId());
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ScenicPricing pricing = requirePricing(request.getServicePackageId(), scenicSpot.getId());
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validatePeopleCount(pricing, request.getPeopleCount());
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boolean groupService = pricing.getServiceType().startsWith("GROUP_");
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BigDecimal originalUnitPrice = valueOrZero(pricing.getOriginalPrice());
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BigDecimal discountUnitPrice = valueOrZero(pricing.getDiscountPrice());
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BigDecimal multiplier = groupService ? BigDecimal.valueOf(request.getPeopleCount()) : BigDecimal.ONE;
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BigDecimal originalAmount = originalUnitPrice.multiply(multiplier);
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BigDecimal subtotalAmount = discountUnitPrice.multiply(multiplier);
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BigDecimal discountAmount = originalAmount.subtract(subtotalAmount).max(BigDecimal.ZERO);
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LocalDateTime now = LocalDateTime.now();
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TourOrder order = new TourOrder();
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order.setOrderNo(generateOrderNo());
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order.setVisitorId(visitor.getId());
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order.setVisitorNickname(visitor.getNickname());
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order.setVisitorMobile(visitor.getMobile());
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order.setScenicSpotId(scenicSpot.getId());
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order.setScenicName(scenicSpot.getScenicName());
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order.setMeetingPointId(meetingPoint.getId());
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order.setMeetingPointName(meetingPoint.getPointName());
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order.setPackageName(packageName(pricing.getServiceType()));
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order.setServicePackageId(pricing.getId());
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order.setOrderType(pricing.getServiceType());
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order.setPeopleCount(request.getPeopleCount());
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order.setUnitPrice(discountUnitPrice);
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order.setOriginalPrice(originalAmount);
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order.setDiscountPrice(discountUnitPrice);
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order.setSubtotalAmount(subtotalAmount);
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order.setDiscountType(discountAmount.signum() > 0 ? "SCENIC_PRICE" : "NONE");
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order.setDiscountAmount(discountAmount);
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order.setAmount(subtotalAmount);
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order.setPlacedAt(now);
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order.setMeetingPointCount(1);
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Integer settlementDays = platformSettingsService.getSettings().getSettlementDays();
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order.setSettlementDays(settlementDays == null ? 1 : Math.max(0, settlementDays));
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if (skipPayment) {
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order.setPaymentMethod(PaymentMethod.TEMPORARY_BYPASS.getCode());
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order.setPaymentOrderNo("TEMP" + order.getOrderNo());
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order.setPaymentAmount(subtotalAmount);
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order.setPaymentTime(now);
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order.setStatus(OrderStatus.PENDING_ACCEPT.getCode());
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} else {
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order.setStatus(OrderStatus.PENDING_PAYMENT.getCode());
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}
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order.setRefundStatus(RefundStatus.NONE.getCode());
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orderMapper.insert(order);
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if (skipPayment) {
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matchingService.match(order.getId());
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}
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return TourOrderResponse.from(order);
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}
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public TourOrderResponse active(Long visitorId) {
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miniUserService.findEnabledById(visitorId);
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TourOrder order = orderMapper.selectOne(
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new LambdaQueryWrapper<TourOrder>()
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.eq(TourOrder::getVisitorId, visitorId)
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.in(TourOrder::getStatus, OrderStatus.unfinishedStatusCodes())
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.orderByDesc(TourOrder::getId)
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.last("LIMIT 1"));
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return order == null ? null : TourOrderResponse.from(order);
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}
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public TourOrderResponse detail(Long visitorId, Long orderId) {
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TourOrder order = requireVisitorOrder(visitorId, orderId);
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OperationScenicSpot scenicSpot = scenicSpotMapper.selectOne(
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new LambdaQueryWrapper<OperationScenicSpot>()
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.eq(OperationScenicSpot::getScenicName, order.getScenicName())
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.orderByDesc(OperationScenicSpot::getId)
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.last("LIMIT 1"));
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ScenicMeetingPoint meetingPoint = scenicSpot == null ? null : meetingPointMapper.selectOne(
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new LambdaQueryWrapper<ScenicMeetingPoint>()
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.eq(ScenicMeetingPoint::getScenicSpotId, scenicSpot.getId())
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.eq(ScenicMeetingPoint::getPointName, order.getMeetingPointName())
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.orderByDesc(ScenicMeetingPoint::getId)
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.last("LIMIT 1"));
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ScenicPricing pricing = scenicSpot == null ? null : pricingMapper.selectOne(
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new LambdaQueryWrapper<ScenicPricing>()
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.eq(ScenicPricing::getScenicSpotId, scenicSpot.getId())
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.eq(ScenicPricing::getServiceType, order.getOrderType())
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.orderByDesc(ScenicPricing::getId)
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.last("LIMIT 1"));
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GuideUser guide = order.getGuideId() == null ? null : guideUserMapper.selectById(order.getGuideId());
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int unpaidCancelMinutes = scenicSpot == null || scenicSpot.getUnpaidCancelMinutes() == null
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|| scenicSpot.getUnpaidCancelMinutes() < 1
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? DEFAULT_UNPAID_CANCEL_MINUTES : scenicSpot.getUnpaidCancelMinutes();
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return TourOrderResponse.from(order)
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.enrich(scenicSpot, meetingPoint, pricing, guide)
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.withUnpaidCancelMinutes(unpaidCancelMinutes)
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.withUnacceptedAutoRefundMinutes(
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platformSettingsService.getSettings().getUnacceptedAutoRefundMinutes());
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}
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@Transactional
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public TourOrderResponse cancel(Long visitorId, Long orderId) {
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TourOrder order = orderMapper.selectForUpdate(orderId);
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if (order == null || visitorId == null || !visitorId.equals(order.getVisitorId())) {
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throw new BusinessException(404, "订单不存在");
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}
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if (OrderStatus.CANCELLED.matches(order.getStatus())) {
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return TourOrderResponse.from(order);
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}
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boolean notifyGuide = OrderStatus.PENDING_MEETING.matches(order.getStatus()) && order.getGuideId() != null;
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if (!OrderStatus.PENDING_PAYMENT.matches(order.getStatus())
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&& !OrderStatus.PENDING_ACCEPT.matches(order.getStatus())
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&& !OrderStatus.PENDING_MEETING.matches(order.getStatus())) {
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throw new BusinessException(409, "当前订单状态不支持取消");
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}
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order.setStatus(OrderStatus.CANCELLED.getCode());
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order.setCancelledAt(LocalDateTime.now());
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if (order.getPaymentTime() == null) {
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orderMapper.updateById(order);
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} else {
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orderRefundService.requestRefund(order);
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}
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if (notifyGuide) notificationService.notifyVisitorCancelledOrder(order);
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return TourOrderResponse.from(order);
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}
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private OperationScenicSpot requireScenicSpot(Long id) {
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OperationScenicSpot scenicSpot = scenicSpotMapper.selectOne(
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new LambdaQueryWrapper<OperationScenicSpot>()
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.eq(OperationScenicSpot::getId, id)
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.eq(OperationScenicSpot::getStatus, 1));
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if (scenicSpot == null) throw new BusinessException(404, "景区不存在或未启用");
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return scenicSpot;
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}
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private void ensureNoUnfinishedOrder(Long visitorId) {
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Long count = orderMapper.selectCount(
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new LambdaQueryWrapper<TourOrder>()
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.eq(TourOrder::getVisitorId, visitorId)
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.in(TourOrder::getStatus, OrderStatus.unfinishedStatusCodes()));
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if (count != null && count > 0) {
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throw new BusinessException(409, "您有一个未完成的订单，请先完成或取消后再下单");
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}
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}
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private ScenicMeetingPoint requireMeetingPoint(Long id, Long scenicSpotId) {
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ScenicMeetingPoint point = meetingPointMapper.selectOne(
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new LambdaQueryWrapper<ScenicMeetingPoint>()
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.eq(ScenicMeetingPoint::getId, id)
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.eq(ScenicMeetingPoint::getScenicSpotId, scenicSpotId)
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.eq(ScenicMeetingPoint::getStatus, 1));
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if (point == null) throw new BusinessException(400, "汇合点不属于当前景区或已停用");
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return point;
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}
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private ScenicPricing requirePricing(Long id, Long scenicSpotId) {
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ScenicPricing pricing = pricingMapper.selectOne(
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new LambdaQueryWrapper<ScenicPricing>()
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.eq(ScenicPricing::getId, id)
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.eq(ScenicPricing::getScenicSpotId, scenicSpotId));
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if (pricing == null) throw new BusinessException(400, "讲解套餐不属于当前景区");
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if (pricing.getDiscountPrice() == null || pricing.getDiscountPrice().signum() <= 0) {
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throw new BusinessException(409, "讲解套餐价格未配置");
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}
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return pricing;
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}
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private TourOrder requireVisitorOrder(Long visitorId, Long orderId) {
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miniUserService.findEnabledById(visitorId);
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TourOrder order = orderMapper.selectOne(new LambdaQueryWrapper<TourOrder>()
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.eq(TourOrder::getId, orderId)
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.eq(TourOrder::getVisitorId, visitorId));
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if (order == null) throw new BusinessException(404, "订单不存在");
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return order;
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}
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private void validatePeopleCount(ScenicPricing pricing, Integer peopleCount) {
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if (pricing.getServiceType().startsWith("GROUP_")
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&& pricing.getMaxParticipants() != null
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&& peopleCount > pricing.getMaxParticipants()) {
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throw new BusinessException(400, "讲解人数不能超过套餐人数上限");
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}
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}
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private BigDecimal valueOrZero(BigDecimal value) {
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return value == null ? BigDecimal.ZERO : value;
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}
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private String packageName(String serviceType) {
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if ("GROUP_QUICK".equals(serviceType)) return "拼团 · 快讲";
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if ("GROUP_PREMIUM".equals(serviceType)) return "拼团 · 精讲";
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if ("PRIVATE_QUICK".equals(serviceType)) return "包团 · 快讲";
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if ("PRIVATE_PREMIUM".equals(serviceType)) return "包团 · 精讲";
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throw new BusinessException(400, "不支持的讲解套餐类型");
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}
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private String generateOrderNo() {
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String time = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS"));
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String random = UUID.randomUUID().toString().replace("-", "").substring(0, 5).toUpperCase();
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return "MJ" + time + random;
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}
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}
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