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.collection.ListUtil;
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import cn.hutool.core.util.ObjUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.oying.exception.EntityExistException;
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import com.oying.exception.EntityNotFoundException;
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import com.oying.modules.pc.common.ValueUpdate;
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import com.oying.modules.pc.product.converter.ProductImageAssembler;
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import com.oying.modules.pc.product.domain.ProductImage;
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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.ProductImageQueryCriteria;
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import com.oying.modules.pc.product.domain.dto.ProductImageUpdateRequest;
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import com.oying.modules.pc.product.mapper.ProductImageMapper;
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import com.oying.modules.pc.product.service.ProductImageService;
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import com.oying.modules.pc.store.domain.StoreQualification;
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import com.oying.service.BucketStorageService;
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import com.oying.utils.FileUtil;
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import com.oying.utils.PageResult;
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import com.oying.utils.PageUtil;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* @author lzp
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* @description 服务实现
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* @date 2025-05-28
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**/
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@Service
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@RequiredArgsConstructor
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public class ProductImageServiceImpl extends ServiceImpl<ProductImageMapper, ProductImage> implements ProductImageService {
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private final ProductImageMapper productImageMapper;
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private final BucketStorageService bucketStorageService;
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@Override
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public PageResult<ProductImage> queryAll(ProductImageQueryCriteria criteria, Page<Object> page) {
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return PageUtil.toPage(productImageMapper.findAll(criteria, page));
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}
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@Override
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public List<ProductImage> queryAll(ProductImageQueryCriteria criteria) {
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return productImageMapper.findAll(criteria);
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}
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@Override
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public List<ProductImage> queryBatchIds(List<Long> ids) {
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LambdaQueryWrapper<ProductImage> lambdaQueryWrapper = new LambdaQueryWrapper<>();
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lambdaQueryWrapper.in(ProductImage::getImageId, ids);
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return productImageMapper.selectList(lambdaQueryWrapper);
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}
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@Override
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public List<ProductImage> queryImagesByProductId(Long productId) {
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if (productId == null) {
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return ListUtil.empty();
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}
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LambdaQueryWrapper<ProductImage> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(ProductImage::getProductId, productId);
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return productImageMapper.selectList(wrapper);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void create(ProductImageCreateRequest request) {
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productImageMapper.insert(ProductImageAssembler.to(request));
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void batchCreate(List<ProductImageCreateRequest> requests) {
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this.saveBatch(ProductImageAssembler.toProducts(requests));
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void update(ProductImageUpdateRequest request) {
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Long updatedImageId = request.getImageId();
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ProductImage existingProductImage = this.getById(updatedImageId);
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if (ObjUtil.isEmpty(existingProductImage)) {
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throw new EntityNotFoundException(ProductImage.class, "imageId", Optional.ofNullable(updatedImageId).map(Object::toString).orElse("null"));
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}
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// 新的图片数据
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ProductImage newProductImage = ProductImageAssembler.to(request);
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// 新的图片数据
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ValueUpdate<Long> cloudStorageUpdate = new ValueUpdate<>(newProductImage.getCloudStorageId(), existingProductImage.getCloudStorageId());
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// 填充新的数据
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existingProductImage.copy(newProductImage);
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productImageMapper.updateById(existingProductImage);
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// 删除旧图片原纪录
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if (cloudStorageUpdate.isChangeAndOldValueNotEmpty()) {
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bucketStorageService.deleteAll(ListUtil.toList(cloudStorageUpdate.getOldValue()));
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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 batchUpdate(List<ProductImageUpdateRequest> requests) {
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List<Long> updatedIds = requests.stream().map(ProductImageUpdateRequest::getImageId).collect(Collectors.toList());
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List<ProductImage> existingProductImages = this.queryBatchIds(updatedIds);
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if (CollectionUtil.isEmpty(existingProductImages)) {
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throw new EntityNotFoundException(ProductImage.class, "imageIds", updatedIds.toString());
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}
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Map<Long, ProductImageUpdateRequest> requestMap = requests.stream().collect(Collectors.toMap(
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ProductImageUpdateRequest::getImageId,
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productImageUpdateRequest -> productImageUpdateRequest
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)
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);
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List<Long> deleteCloudStorageIds = existingProductImages.stream().filter(i -> {
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Long newCloudStorageId = requestMap.get(i.getImageId()).getUploadFileId();
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return ValueUpdate.isChangeAndOldValueNotEmpty(newCloudStorageId, i.getCloudStorageId());
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}).map(ProductImage::getImageId).collect(Collectors.toList());
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// 填充新的数据
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for (ProductImage existingProductImage : existingProductImages) {
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ProductImage newProductImage = ProductImageAssembler.to(requestMap.get(existingProductImage.getImageId()));
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existingProductImage.copy(newProductImage);
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}
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this.updateBatchById(existingProductImages);
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// 删除旧图片原纪录
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if (CollectionUtil.isNotEmpty(deleteCloudStorageIds)) {
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bucketStorageService.deleteAll(deleteCloudStorageIds);
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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 deleteAll(List<Long> ids) {
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List<ProductImage> existingProductImages = this.queryBatchIds(ids);
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if (CollectionUtil.isEmpty(existingProductImages)) {
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throw new EntityNotFoundException(ProductImage.class, "productImageIds", ids.toString());
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}
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productImageMapper.deleteBatchIds(ids);
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// 删除图片原纪录
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List<Long> deleteCloudStorageIds = existingProductImages.stream().map(ProductImage::getCloudStorageId).collect(Collectors.toList());
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if (CollectionUtil.isNotEmpty(deleteCloudStorageIds)) {
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bucketStorageService.deleteAll(deleteCloudStorageIds);
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}
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}
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@Override
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public void download(List<ProductImage> all, HttpServletResponse response) throws IOException {
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List<Map<String, Object>> list = new ArrayList<>();
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for (ProductImage productImage : all) {
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Map<String, Object> map = new LinkedHashMap<>();
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map.put("商品ID", productImage.getProductId());
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map.put("桶ID", productImage.getCloudStorageId());
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map.put("图片key", productImage.getImageType());
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map.put("图片地址", productImage.getImageUrl());
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map.put("排序权重", productImage.getSortWeight());
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map.put("创建人", productImage.getCreateBy());
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map.put("创建日期", productImage.getCreateTime());
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map.put("修改人", productImage.getUpdateBy());
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map.put("修改时间", productImage.getUpdateTime());
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list.add(map);
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}
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FileUtil.downloadExcel(list, response);
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}
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}
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