package com.oying.modules.pc.product.service.impl;
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import cn.hutool.core.collection.CollectionUtil;
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import cn.hutool.core.util.ObjUtil;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.oying.exception.BadRequestException;
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import com.oying.exception.EntityNotFoundException;
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import com.oying.modules.pc.common.core.constrant.AuditStatusEnum;
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import com.oying.modules.pc.product.converter.ProductImageAssembler;
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import com.oying.modules.pc.product.converter.ProductLabelAssembler;
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import com.oying.modules.pc.product.domain.Product;
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import com.oying.modules.pc.product.domain.ProductAudit;
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import com.oying.modules.pc.product.domain.ProductImage;
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import com.oying.modules.pc.product.domain.ProductLabel;
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import com.oying.modules.pc.product.domain.dto.ProductImageCreateRequest;
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import com.oying.modules.pc.product.domain.dto.ProductMerchantCreateRequest;
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import com.oying.modules.pc.product.domain.dto.ProductMerchantUpdateRequest;
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import com.oying.modules.pc.product.domain.enums.ProductChangeTypeEnum;
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import com.oying.modules.pc.product.domain.enums.ProductStatusEnum;
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import com.oying.modules.pc.product.events.ProductAuditVerdictEvent;
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import com.oying.modules.pc.product.service.*;
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import com.oying.modules.pc.utils.ImageUtils;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.BeanUtils;
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import org.springframework.context.event.EventListener;
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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.util.List;
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import java.util.Optional;
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import java.util.Set;
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import java.util.stream.Collectors;
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class ProductMerchantServiceImpl implements ProductMerchantService {
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private final ProductService productService;
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private final ProductImageService productImageService;
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private final ProductLabelService productLabelService;
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private final ProductAuditService productAuditService;
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void create(ProductMerchantCreateRequest request) {
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Product product = new Product();
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BeanUtils.copyProperties(request, product);
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request.getImages().stream().findFirst().map(ProductImageCreateRequest::getUploadFileId)
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.ifPresent(id -> {
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product.setMainImageId(id.toString());
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product.setMainImageUrl(ImageUtils.getPublicObjectUrl(id));
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});
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product.setStatus(ProductStatusEnum.DRAFT.getValue());
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productService.create(product);
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List<ProductImage> productImages = request.getImages().stream().map(i -> {
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i.setProductId(product.getProductId());
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return ProductImageAssembler.to(i);
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}).collect(Collectors.toList());
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if (CollectionUtil.isNotEmpty(productImages)) {
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productImageService.saveBatch(productImages);
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}
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List<ProductLabel> productLabels = request.getLabels().stream().map(i -> {
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i.setProductId(product.getProductId());
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return ProductLabelAssembler.to(i);
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}).collect(Collectors.toList());
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if (CollectionUtil.isNotEmpty(productLabels)) {
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productLabelService.saveBatch(productLabels);
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}
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void update(ProductMerchantUpdateRequest request) {
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Product existingProduct = this.findOrThrow(request.getProductId());
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this.validateApprovedStatus(existingProduct.getStatus());
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this.processImagesUpdate(request);
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this.processLabelsUpdate(request);
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BeanUtils.copyProperties(request, existingProduct);
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productService.update(existingProduct);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updateImages(ProductMerchantUpdateRequest request) {
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Product existingProduct = this.findOrThrow(request.getProductId());
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this.validateApprovedStatus(existingProduct.getStatus());
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this.findOrThrow(request.getProductId());
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this.processImagesUpdate(request);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updateLabels(ProductMerchantUpdateRequest request) {
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Product existingProduct = this.findOrThrow(request.getProductId());
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this.validateApprovedStatus(existingProduct.getStatus());
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this.findOrThrow(request.getProductId());
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this.processImagesUpdate(request);
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}
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@Transactional
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@Override
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public void batchDelete(List<Long> ids) {
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productService.deleteAll(ids);
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}
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@Override
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public void putOnShelf(Long productId) {
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ProductAudit audit = new ProductAudit();
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audit.setProductId(productId);
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audit.setType(ProductChangeTypeEnum.PUT_ON_SHELF.name());
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audit.setStatus(AuditStatusEnum.PENDING.getValue());
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productAuditService.create(audit);
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LambdaUpdateWrapper<Product> wrapper = new LambdaUpdateWrapper<Product>()
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.eq(Product::getProductId, productId)
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.set(Product::getStatus, ProductStatusEnum.PENDING.getValue());
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productService.update(wrapper);
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}
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@Override
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public void takeOffShelf(Long productId) {
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LambdaUpdateWrapper<Product> wrapper = new LambdaUpdateWrapper<Product>()
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.eq(Product::getProductId, productId)
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.set(Product::getStatus, ProductStatusEnum.NO_AVAILABLE.getValue());
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productService.update(wrapper);
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}
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@Override
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@EventListener
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@Transactional(rollbackFor = Exception.class)
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public void handleAuditVerdictEvent(ProductAuditVerdictEvent event) {
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try {
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ProductAudit audit = productAuditService.getById(event.getAuditId());
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ProductChangeTypeEnum changeType = ProductChangeTypeEnum.valueOf(audit.getType());
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if (changeType == ProductChangeTypeEnum.PUT_ON_SHELF) {
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this.handlePutOnShelfAuditEvent(audit);
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}
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} catch (Exception e) {
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log.error("处理商品审核结果异常", e);
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}
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}
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private Product findOrThrow(Long productId) {
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Product existingProduct = productService.getById(productId);
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if (ObjUtil.isEmpty(existingProduct)) {
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throw new EntityNotFoundException(Product.class, "id", Optional.ofNullable(productId).map(Object::toString).orElse("null"));
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}
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return existingProduct;
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}
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private void processImagesUpdate(ProductMerchantUpdateRequest request) {
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if (CollectionUtil.isNotEmpty(request.getDeletedImageIds())) {
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productImageService.deleteAll(request.getDeletedImageIds());
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}
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if (CollectionUtil.isNotEmpty(request.getUpdatedImages())) {
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productImageService.batchUpdate(request.getUpdatedImages());
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}
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if (CollectionUtil.isNotEmpty(request.getNewImages())) {
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List<ProductImageCreateRequest> newImages = request.getNewImages().stream().peek(i-> i.setProductId(request.getProductId())).collect(Collectors.toList());
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productImageService.batchCreate(newImages);
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}
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}
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private void processLabelsUpdate(ProductMerchantUpdateRequest request) {
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if (CollectionUtil.isNotEmpty(request.getDeletedLabelIds())) {
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productLabelService.deleteAll(request.getDeletedLabelIds());
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}
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if (CollectionUtil.isNotEmpty(request.getUpdatedLabels())) {
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productLabelService.batchUpdate(request.getUpdatedLabels());
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}
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if (CollectionUtil.isNotEmpty(request.getNewLabels())) {
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List<ProductLabel> newLabels = request.getNewLabels().stream().peek(i-> i.setProductId(request.getProductId())).collect(Collectors.toList());
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productLabelService.batchCreate(newLabels);
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}
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}
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private void handlePutOnShelfAuditEvent(ProductAudit audit) {
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AuditStatusEnum auditStatus = AuditStatusEnum.get(audit.getStatus());
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if (AuditStatusEnum.APPROVED.equals(auditStatus)) {
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Product existingProduct = productService.getById(audit.getProductId());
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existingProduct.setStatus(auditStatus.getValue());
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productService.updateById(existingProduct);
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}
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}
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private void validateApprovedStatus(Integer status) {
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Set<ProductStatusEnum> statusEnumSet = CollectionUtil.newHashSet(ProductStatusEnum.PENDING,
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ProductStatusEnum.UNDER_REVIEW, ProductStatusEnum.AVAILABLE);
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ProductStatusEnum existingStatus = ProductStatusEnum.getOrDefault(status, ProductStatusEnum.DRAFT);
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if (statusEnumSet.contains(existingStatus)) {
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throw new BadRequestException("在售商品无法修改");
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}
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}
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}
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