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+package org.dromara.system.service.impl;
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+
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+import org.dromara.common.core.utils.MapstructUtils;
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+import org.dromara.common.core.utils.StringUtils;
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+import org.dromara.common.mybatis.core.page.PageQuery;
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+import org.dromara.common.mybatis.core.page.TableDataInfo;
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+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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+import lombok.RequiredArgsConstructor;
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+import org.springframework.stereotype.Service;
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+import org.dromara.system.domain.FileInfo;
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+import org.dromara.system.domain.bo.FileInfoBo;
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+import org.dromara.system.domain.vo.FileInfoVo;
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+import org.dromara.system.mapper.FileInfoMapper;
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+import org.dromara.system.service.IFileInfoService;
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+
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+import java.util.Collection;
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+import java.util.List;
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+import java.util.Map;
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+
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+/**
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+ * 文件信息Service业务层处理
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+ *
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+ * @author Lion Li
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+ * @date 2024-01-01
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+ */
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+@RequiredArgsConstructor
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+@Service
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+public class FileInfoServiceImpl implements IFileInfoService {
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+
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+ private final FileInfoMapper baseMapper;
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+
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+ /**
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+ * 查询文件信息
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+ */
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+ @Override
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+ public FileInfoVo queryById(Long id) {
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+ return baseMapper.selectVoById(id);
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+ }
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+
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+ /**
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+ * 查询文件信息列表
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+ */
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+ @Override
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+ public TableDataInfo<FileInfoVo> queryPageList(FileInfoBo bo, PageQuery pageQuery) {
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+ LambdaQueryWrapper<FileInfo> lqw = buildQueryWrapper(bo);
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+ // 指定租户ID为000000,以便查询所有数据
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+ lqw.apply("tenant_id = '000000'");
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+ Page<FileInfoVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
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+ return TableDataInfo.build(result);
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+ }
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+
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+ /**
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+ * 查询文件信息列表
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+ */
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+ @Override
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+ public List<FileInfoVo> queryList(FileInfoBo bo) {
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+ LambdaQueryWrapper<FileInfo> lqw = buildQueryWrapper(bo);
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+ return baseMapper.selectVoList(lqw);
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+ }
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+
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+ private LambdaQueryWrapper<FileInfo> buildQueryWrapper(FileInfoBo bo) {
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+ Map<String, Object> params = bo.getParams();
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+ LambdaQueryWrapper<FileInfo> lqw = Wrappers.lambdaQuery();
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+
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+ // 添加调试日志
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+ System.out.println("buildQueryWrapper - bo.getCategoryType(): " + bo.getCategoryType());
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+ System.out.println("buildQueryWrapper - bo.getCategoryId(): " + bo.getCategoryId());
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+
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+ lqw.like(StringUtils.isNotBlank(bo.getName()), FileInfo::getName, bo.getName());
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+ lqw.like(StringUtils.isNotBlank(bo.getOriginalName()), FileInfo::getOriginalName, bo.getOriginalName());
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+ lqw.like(StringUtils.isNotBlank(bo.getPath()), FileInfo::getPath, bo.getPath());
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+ lqw.eq(bo.getCategoryId() != null, FileInfo::getCategoryId, bo.getCategoryId());
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+ lqw.eq(bo.getCategoryType() != null, FileInfo::getCategoryType, bo.getCategoryType());
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+ // 支持类型前缀匹配
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+ if (StringUtils.isNotBlank(bo.getType())) {
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+ if (bo.getType().endsWith("/")) {
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+ // 如果是前缀匹配(如 "image/" 或 "video/")
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+ lqw.like(FileInfo::getType, bo.getType());
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+ } else {
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+ // 如果是精确匹配
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+ lqw.eq(FileInfo::getType, bo.getType());
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+ }
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+ }
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+ lqw.eq(bo.getUploadStatus() != null, FileInfo::getUploadStatus, bo.getUploadStatus());
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+ lqw.eq(bo.getIsPublic() != null, FileInfo::getIsPublic, bo.getIsPublic());
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+ lqw.eq(bo.getStatus() != null, FileInfo::getStatus, bo.getStatus());
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+ // 确保只查询未删除的记录
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+ lqw.eq(FileInfo::getDelFlag, 0);
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+ lqw.orderByDesc(FileInfo::getId);
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+ return lqw;
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+ }
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+
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+ /**
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+ * 新增文件信息
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+ */
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+ @Override
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+ public Boolean insertByBo(FileInfoBo bo) {
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+ FileInfo add = MapstructUtils.convert(bo, FileInfo.class);
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+ validEntityBeforeSave(add);
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+
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+ // 设置租户ID - 使用字段直接赋值
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+ try {
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+ java.lang.reflect.Field tenantIdField = add.getClass().getSuperclass().getDeclaredField("tenantId");
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+ tenantIdField.setAccessible(true);
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+ tenantIdField.set(add, "000000");
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+ } catch (Exception e) {
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+ // 忽略设置租户ID的错误
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+ }
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+
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+ // 设置默认值
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+ if (add.getDownloadCount() == null) {
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+ add.setDownloadCount(0);
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+ }
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+ if (add.getViewCount() == null) {
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+ add.setViewCount(0);
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+ }
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+ if (add.getUploadStatus() == null) {
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+ add.setUploadStatus(1);
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+ }
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+ if (add.getIsPublic() == null) {
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+ add.setIsPublic(1);
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+ }
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+ if (add.getStatus() == null) {
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+ add.setStatus(0);
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+ }
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+ if (add.getDelFlag() == null) {
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+ add.setDelFlag(0L);
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+ }
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+
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+ boolean flag = baseMapper.insert(add) > 0;
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+ if (flag) {
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+ bo.setId(add.getId());
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+ }
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+ return flag;
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+ }
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+
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+ /**
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+ * 修改文件信息
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+ */
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+ @Override
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+ public Boolean updateByBo(FileInfoBo bo) {
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+ FileInfo update = MapstructUtils.convert(bo, FileInfo.class);
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+ validEntityBeforeSave(update);
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+ return baseMapper.updateById(update) > 0;
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+ }
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+
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+ /**
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+ * 保存前的数据校验
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+ */
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+ private void validEntityBeforeSave(FileInfo entity) {
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+ // TODO 做一些数据校验,如唯一约束
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+ }
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+
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+ /**
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+ * 批量删除文件信息
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+ */
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+ @Override
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+ public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
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+ if (isValid) {
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+ // TODO 做一些业务上的校验,判断是否需要校验
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+ }
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+ return baseMapper.deleteBatchIds(ids) > 0;
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+ }
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+
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+ /**
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+ * 根据分类ID查询文件列表
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+ */
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+ @Override
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+ public List<FileInfoVo> queryByCategoryId(Long categoryId) {
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+ LambdaQueryWrapper<FileInfo> lqw = Wrappers.lambdaQuery();
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+ lqw.eq(FileInfo::getCategoryId, categoryId);
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+ lqw.eq(FileInfo::getStatus, 0);
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+ lqw.orderByDesc(FileInfo::getId);
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+ return baseMapper.selectVoList(lqw);
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+ }
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+
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+ /**
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+ * 根据文件类型查询文件列表
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+ */
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+ @Override
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+ public List<FileInfoVo> queryByType(String type) {
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+ LambdaQueryWrapper<FileInfo> lqw = Wrappers.lambdaQuery();
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+ lqw.eq(FileInfo::getType, type);
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+ lqw.eq(FileInfo::getStatus, 0);
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+ lqw.orderByDesc(FileInfo::getId);
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+ return baseMapper.selectVoList(lqw);
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+ }
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+
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+ /**
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+ * 更新文件下载次数
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+ */
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+ @Override
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+ public Boolean updateDownloadCount(Long id) {
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+ FileInfo fileInfo = baseMapper.selectById(id);
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+ if (fileInfo != null) {
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+ fileInfo.setDownloadCount(fileInfo.getDownloadCount() + 1);
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+ return baseMapper.updateById(fileInfo) > 0;
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+ }
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+ return false;
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+ }
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+
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+ /**
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+ * 更新文件查看次数
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+ */
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+ @Override
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+ public Boolean updateViewCount(Long id) {
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+ FileInfo fileInfo = baseMapper.selectById(id);
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+ if (fileInfo != null) {
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+ fileInfo.setViewCount(fileInfo.getViewCount() + 1);
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+ return baseMapper.updateById(fileInfo) > 0;
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+ }
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+ return false;
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+ }
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+
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+ /**
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+ * 下载文件
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+ */
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+ @Override
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+ public void downloadFile(Long id, jakarta.servlet.http.HttpServletResponse response) throws java.io.IOException {
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+ try {
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+ FileInfo fileInfo = baseMapper.selectById(id);
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+ if (fileInfo == null) {
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+ throw new RuntimeException("文件不存在,ID: " + id);
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+ }
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+
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+ System.out.println("开始下载文件,ID: " + id + ", 名称: " + fileInfo.getName() + ", URL: " + fileInfo.getUrl());
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+
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+ // 如果文件有URL,直接返回文件内容
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+ if (fileInfo.getUrl() != null && !fileInfo.getUrl().isEmpty()) {
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+ System.out.println("文件有URL,准备下载: " + fileInfo.getUrl());
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+
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+ // 设置下载响应头
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+ response.setHeader("Content-Disposition", "attachment; filename=\"" + fileInfo.getName() + "\"");
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+ response.setContentType(fileInfo.getType() + "; charset=UTF-8");
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+ response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
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+ response.setHeader("Pragma", "no-cache");
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+ response.setHeader("Expires", "0");
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+
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+ // 简化方案:直接重定向到OSS文件
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+ System.out.println("准备重定向到OSS文件: " + fileInfo.getUrl());
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+ response.sendRedirect(fileInfo.getUrl());
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+ System.out.println("重定向成功");
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+ return;
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+ }
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+
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+ // 如果没有URL,尝试从OSS下载
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+ if (fileInfo.getOssId() != null && !fileInfo.getOssId().isEmpty()) {
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+ System.out.println("文件没有URL,但有ossId: " + fileInfo.getOssId());
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+ try {
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+ // 调用系统OSS服务下载
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+ org.dromara.common.core.service.OssService ossService =
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+ org.dromara.common.core.utils.SpringUtils.getBean(org.dromara.common.core.service.OssService.class);
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+ if (ossService != null) {
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+ // 这里需要根据实际情况调整,可能需要先查询sys_oss表获取文件信息
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+ throw new RuntimeException("暂不支持通过ossId下载,请使用文件URL");
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+ }
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+ } catch (Exception e) {
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+ throw new RuntimeException("OSS服务不可用: " + e.getMessage());
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+ }
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+ }
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+
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+ throw new RuntimeException("无法下载文件,文件URL和OSS信息都不存在");
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+ } catch (Exception e) {
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+ System.err.println("下载文件时发生错误: " + e.getMessage());
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+ e.printStackTrace();
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+ throw e;
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+ }
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+ }
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+}
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