feat: 修改文件数据接口的返回结果，增添收藏标识，个人文件标识和标签列表

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/EdFileInfoController.java

@@ -175,7 +175,7 @@ public class EdFileInfoController {
     @UserOperation(value="收藏了文件", modelName = UserOperationModuleEnum.DATABASE)
     public ElectromagneticResult<?> addFavorite(@RequestParam String id) {
         String userId = UserThreadLocal.getUserId();
-        return ElectromagneticResultUtil.success(edFileFavoriteService.addFavorite(userId, id));
+        return ElectromagneticResultUtil.success(edFileInfoService.addFavorite(userId, id));
     }
 
     /**
@@ -187,7 +187,7 @@ public class EdFileInfoController {
     @UserOperation(value="从收藏夹移除了文件", modelName = UserOperationModuleEnum.DATABASE)
     public ElectromagneticResult<?> removeFavorite(@RequestParam String id) {
         String userId = UserThreadLocal.getUserId();
-        return ElectromagneticResultUtil.success(edFileFavoriteService.removeFavorite(userId, id));
+        return ElectromagneticResultUtil.success(edFileInfoService.removeFavorite(userId, id));
     }
 
     /**
@@ -198,6 +198,6 @@ public class EdFileInfoController {
     @UserOperation(value="查看了收藏夹", modelName = UserOperationModuleEnum.DATABASE)
     public ElectromagneticResult<?> listFavorite(@RequestBody FileInfoQueryDTO fileInfoQueryDTO) {
         String userId = UserThreadLocal.getUserId();
-        return ElectromagneticResultUtil.success(edFileFavoriteService.findFavorite(userId, fileInfoQueryDTO));
+        return ElectromagneticResultUtil.success(edFileInfoService.findFavorite(userId, fileInfoQueryDTO));
     }
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/EdTagLibraryController.java

@@ -5,6 +5,7 @@ import com.electromagnetic.industry.software.common.enums.UserOperationModuleEnu
 import com.electromagnetic.industry.software.common.resp.ElectromagneticResult;
 import com.electromagnetic.industry.software.common.util.ElectromagneticResultUtil;
 import com.electromagnetic.industry.software.common.util.UserThreadLocal;
+import com.electromagnetic.industry.software.manage.pojo.req.TagCreateDTO;
 import com.electromagnetic.industry.software.manage.service.EdTagLibraryService;
 import com.electromagnetic.industry.software.manage.service.FileTagRelationService;
 import org.springframework.web.bind.annotation.*;
@@ -91,8 +92,8 @@ public class EdTagLibraryController {
     // 批量添加标签到文件
     @PostMapping("/addTagsToFile")
     @UserOperation(value="批量添加了标签到文件", modelName = UserOperationModuleEnum.TAG)
-    public ElectromagneticResult<?> addTagsToFile(@RequestParam String fileId, @RequestParam List<String> tagIds) {
+    public ElectromagneticResult<?> addTagsToFile(@RequestBody TagCreateDTO dto) {
         String createdBy = UserThreadLocal.getUserId();
-        return ElectromagneticResultUtil.success(fileTagRelationService.addTagsToFile(fileId, tagIds, createdBy));
+        return ElectromagneticResultUtil.success(fileTagRelationService.addTagsToFile(dto.getFileId(), dto.getTagIds(), createdBy));
     }
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/controller/UserEdFileInfoController.java

@@ -161,7 +161,7 @@ public class UserEdFileInfoController {
     @UserOperation(value="收藏文件", modelName = UserOperationModuleEnum.USER_PRJ)
     public ElectromagneticResult<?> addFavorite(@RequestParam String id) {
         String userId = UserThreadLocal.getUserId();
-        return ElectromagneticResultUtil.success(edFileFavoriteService.addFavorite(userId, id));
+        return ElectromagneticResultUtil.success(edFileInfoService.addFavorite(userId, id));
     }
 
     /**
@@ -173,19 +173,7 @@ public class UserEdFileInfoController {
     @UserOperation(value="从收藏夹移除文件", modelName = UserOperationModuleEnum.USER_PRJ)
     public ElectromagneticResult<?> removeFavorite(@RequestParam String id) {
         String userId = UserThreadLocal.getUserId();
-        return ElectromagneticResultUtil.success(edFileFavoriteService.removeFavorite(userId, id));
+        return ElectromagneticResultUtil.success(edFileInfoService.removeFavorite(userId, id));
     }
 
-    /**
-     * 展示当前用户收藏夹文件
-     * @return
-     */
-    @PostMapping("/listCollection")
-    @UserOperation(value="查看收藏夹", modelName = UserOperationModuleEnum.USER_PRJ)
-    public ElectromagneticResult<?> listFavorite(@RequestBody FileInfoQueryDTO fileInfoQueryDTO) {
-        String userId = UserThreadLocal.getUserId();
-        return ElectromagneticResultUtil.success(edFileFavoriteService.findFavorite(userId, fileInfoQueryDTO));
-    }
-
-
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdFileFavorite.java

@@ -10,8 +10,8 @@ import lombok.Data;
 @TableName("ed_file_favorite")
 public class EdFileFavorite {
 
-    @TableId(type = IdType.AUTO)
+    @TableId(type = IdType.ASSIGN_UUID)
-    private Long id;
+    private String id;
 
     @TableField("user_id")
     private String userId;

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdTagLibrary.java

@@ -11,6 +11,7 @@ import java.util.Date;
 @TableName("ed_tag_library")
 public class EdTagLibrary {
 
+    @TableId
     private String tagId;  // 主键 ID
     private String parentId;  // 父 ID，"" 代表是标签组
     private Integer type;  // 0: 标签组, 1: 标签

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/other/FileInfoVO.java

@@ -48,4 +48,9 @@ public class FileInfoVO {
 
     private List<FileTagInfo> labels;
 
+    // 是否是收藏数据，1是，0否
+    private Integer isFavorite;
+
+    // 是否是个人数据，1是，0否
+    private Integer isPersonal;
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/req/TagCreateDTO.java

@@ -0,0 +1,13 @@
+package com.electromagnetic.industry.software.manage.pojo.req;
+
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class TagCreateDTO {
+
+    private String fileId;
+
+    private List<String> tagIds;
+}

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/EdFileFavoriteService.java

@@ -1,42 +1,7 @@
 package com.electromagnetic.industry.software.manage.service;
 
-import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.electromagnetic.industry.software.manage.pojo.models.EdFileFavorite;
-import com.electromagnetic.industry.software.manage.pojo.other.FileInfoVO;
-import com.electromagnetic.industry.software.manage.pojo.req.FileInfoQueryDTO;
 
 public interface EdFileFavoriteService extends IService<EdFileFavorite> {
-
-    /**
-     * 添加收藏
-     * @param userId
-     * @param fileId
-     * @return
-     */
-    boolean addFavorite(String userId, String fileId);
-
-    /**
-     * 移除收藏
-     * @param userId
-     * @param fileId
-     * @return
-     */
-    boolean removeFavorite(String userId, String fileId);
-
-    /**
-     * 判断是否已收藏
-     * @param userId
-     * @param fileId
-     * @return
-     */
-    boolean isFavorite(String userId, String fileId);
-
-    /**
-     * 查询当前用户收藏文件信息
-     * @param userId 用户id
-     * @param fileInfoQueryDTO 分页信息
-     * @return
-     */
-    IPage<FileInfoVO> findFavorite(String userId, FileInfoQueryDTO fileInfoQueryDTO);
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/EdFileInfoService.java

@@ -199,4 +199,36 @@ public interface EdFileInfoService {
      * @return
      */
     public boolean isFolder(String id);
+
+    /**
+     * 添加收藏
+     * @param userId
+     * @param fileId
+     * @return
+     */
+    boolean addFavorite(String userId, String fileId);
+
+    /**
+     * 判断是否已收藏
+     * @param userId
+     * @param fileId
+     * @return
+     */
+    boolean isFavorite(String userId, String fileId);
+
+    /**
+     * 移除收藏
+     * @param userId
+     * @param fileId
+     * @return
+     */
+    boolean removeFavorite(String userId, String fileId);
+
+    /**
+     * 查询当前用户收藏文件信息
+     * @param userId 用户id
+     * @param fileInfoQueryDTO 分页信息
+     * @return
+     */
+    IPage<FileInfoVO> findFavorite(String userId, FileInfoQueryDTO fileInfoQueryDTO);
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/FileTagRelationService.java

@@ -2,11 +2,26 @@ package com.electromagnetic.industry.software.manage.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.electromagnetic.industry.software.manage.pojo.models.FileTagRelation;
+import com.electromagnetic.industry.software.manage.pojo.resp.FileTagInfo;
+import com.electromagnetic.industry.software.manage.pojo.resp.TagListVO;
 
 import java.util.List;
 
 public interface FileTagRelationService extends IService<FileTagRelation> {
-    boolean addTagToFile(String fileId, String tagId, String createdBy);
 
+    /**
+     * 批量添加标签到文件
+     * @param fileId
+     * @param tagIds
+     * @param createdBy
+     * @return
+     */
     boolean addTagsToFile(String fileId, List<String> tagIds, String createdBy);
+
+    /**
+     * 获取文件标签
+     * @param fileId
+     * @return
+     */
+    List<FileTagInfo> getFileTags (String fileId);
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileFavoriteServiceImpl.java

@@ -1,86 +1,11 @@
 package com.electromagnetic.industry.software.manage.service.serviceimpl;
 
-import cn.hutool.core.text.StrFormatter;
-import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
-import com.baomidou.mybatisplus.core.metadata.IPage;
-import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import com.electromagnetic.industry.software.common.enums.EffectFlagEnum;
-import com.electromagnetic.industry.software.common.enums.EleDataSaveStatusEnum;
-import com.electromagnetic.industry.software.common.exception.BizException;
-import com.electromagnetic.industry.software.common.util.EleCommonUtil;
-import com.electromagnetic.industry.software.common.util.UserThreadLocal;
 import com.electromagnetic.industry.software.manage.mapper.EdFileFavoriteMapper;
 import com.electromagnetic.industry.software.manage.pojo.models.EdFileFavorite;
-import com.electromagnetic.industry.software.manage.pojo.other.FileInfoVO;
-import com.electromagnetic.industry.software.manage.pojo.req.FileInfoQueryDTO;
 import com.electromagnetic.industry.software.manage.service.EdFileFavoriteService;
-import com.electromagnetic.industry.software.manage.service.EdFileInfoService;
 import org.springframework.stereotype.Service;
 
-import javax.annotation.Resource;
-import java.util.List;
-
 @Service
 public class EdFileFavoriteServiceImpl extends ServiceImpl<EdFileFavoriteMapper, EdFileFavorite> implements EdFileFavoriteService {
-
-    @Resource
-    private EdFileInfoService fileInfoService;
-
-    @Override
-    public boolean addFavorite(String userId, String fileId) {
-
-        // 查询是否已存在
-        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.eq(EdFileFavorite::getUserId, userId)
-                .eq(EdFileFavorite::getFileId, fileId);
-        if (this.getOne(queryWrapper) != null) {
-            throw new BizException("文件已收藏，无法重复收藏！");
-        }
-
-        // 插入收藏记录
-        EdFileFavorite favorite = new EdFileFavorite();
-        favorite.setUserId(userId);
-        favorite.setFileId(fileId);
-        boolean isSaved = this.save(favorite);
-        if (isSaved) {
-            UserThreadLocal.setSuccessInfo("", fileId, StrFormatter.format("收藏了文件"));
-        }
-        return isSaved;
-    }
-
-    @Override
-    public boolean removeFavorite(String userId, String fileId) {
-        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.eq(EdFileFavorite::getUserId, userId)
-                .eq(EdFileFavorite::getFileId, fileId);
-        boolean isRemoved = this.remove(queryWrapper);
-        if (isRemoved) {
-            UserThreadLocal.setSuccessInfo("", fileId, StrFormatter.format("取消了收藏"));
-        }
-        return isRemoved;
-    }
-
-    @Override
-    public boolean isFavorite(String userId, String fileId) {
-        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.eq(EdFileFavorite::getUserId, userId)
-                .eq(EdFileFavorite::getFileId, fileId);
-        return this.getOne(queryWrapper) != null;
-    }
-
-    @Override
-    public IPage<FileInfoVO> findFavorite(String userId, FileInfoQueryDTO fileInfoQueryDTO) {
-        // 查询该用户收藏的文件id
-        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
-        queryWrapper.select(EdFileFavorite::getFileId).eq(EdFileFavorite::getUserId, userId);
-        List<String> fileIds = this.listObjs(queryWrapper, Object::toString);
-
-        // 创建分页对象
-        Page<FileInfoVO> page = new Page<>(fileInfoQueryDTO.getPageNum(), fileInfoQueryDTO.getPageSize());
-        IPage<FileInfoVO> fileInfoVOIPage = fileInfoService.queryFileList(page, fileIds, fileInfoQueryDTO, EleDataSaveStatusEnum.SUCCESS.code, EffectFlagEnum.EFFECT.code);
-        fileInfoVOIPage.getRecords().forEach(e -> e.setFileSizeShow(EleCommonUtil.convertFileSize(e.getFileSize())));
-        UserThreadLocal.setSuccessInfo("", "", "查询了收藏列表");
-        return fileInfoVOIPage;
-    }
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileInfoServiceImpl.java

@@ -27,16 +27,14 @@ import com.electromagnetic.industry.software.common.util.*;
 import com.electromagnetic.industry.software.manage.config.ElePropertyConfig;
 import com.electromagnetic.industry.software.manage.mapper.EdFileInfoMapper;
 import com.electromagnetic.industry.software.manage.mapper.UserMapper;
+import com.electromagnetic.industry.software.manage.pojo.models.EdFileFavorite;
 import com.electromagnetic.industry.software.manage.pojo.models.EdFileInfo;
 import com.electromagnetic.industry.software.manage.pojo.models.User;
 import com.electromagnetic.industry.software.manage.pojo.other.FileInfoVO;
 import com.electromagnetic.industry.software.manage.pojo.other.UploadRecordDTO;
 import com.electromagnetic.industry.software.manage.pojo.req.*;
 import com.electromagnetic.industry.software.manage.pojo.resp.*;
-import com.electromagnetic.industry.software.manage.service.EdFileInfoService;
+import com.electromagnetic.industry.software.manage.service.*;
-import com.electromagnetic.industry.software.manage.service.EdTagLibraryService;
-import com.electromagnetic.industry.software.manage.service.FileSystemService;
-import com.electromagnetic.industry.software.manage.service.PermissionService;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.core.io.InputStreamResource;
 import org.springframework.http.HttpHeaders;
@@ -79,7 +77,10 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
     private ElePropertyConfig elePropertyConfig;
 
     @Resource
-    private EdTagLibraryService edTagLibraryService;
+    private EdFileFavoriteService fileFavoriteService;
+
+    @Resource
+    private FileTagRelationService fileTagRelationService;
 
     /**
      * 查询文件列表
@@ -144,7 +145,12 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
         Page<EdFileInfo> edFileInfoPage = this.baseMapper.selectPage(new Page<>(pars.getPageNum(), pars.getPageSize()), queryWrapper);
         long total = edFileInfoPage.getTotal();
         List<FileInfoVO> records = BeanUtil.copyToList(edFileInfoPage.getRecords(), FileInfoVO.class);
-        records.forEach(e -> e.setFileSizeShow(EleCommonUtil.convertFileSize(e.getFileSize())));
+        records.forEach(e -> {
+            e.setFileSizeShow(EleCommonUtil.convertFileSize(e.getFileSize()));
+            e.setIsFavorite(isFavorite(UserThreadLocal.getUserId(), e.getId()) ? 1 : 0);
+            e.setIsPersonal(dataOwnCode == DataOwnEnum.USER_FILE.code ? 1 : 0);
+            e.setLabels(fileTagRelationService.getFileTags(e.getId()));
+        });
         UserThreadLocal.setSuccessInfo("", "", "查询文件成功");
         return ElectromagneticResultUtil.success(new RespPageVO<>(total, records));
     }
@@ -1323,4 +1329,89 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
         return fileInfo.getDataType().equals(EleDataTypeEnum.FOLDER.code);
     }
 
+    /**
+     * 添加收藏
+     * @param userId
+     * @param fileId
+     * @return
+     */
+    @Override
+    public boolean addFavorite(String userId, String fileId) {
+
+        // 查询是否已存在
+        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(EdFileFavorite::getUserId, userId)
+                .eq(EdFileFavorite::getFileId, fileId);
+        if (fileFavoriteService.getOne(queryWrapper) != null) {
+            throw new BizException("文件已收藏，无法重复收藏！");
+        }
+
+        // 插入收藏记录
+        EdFileFavorite favorite = new EdFileFavorite();
+        favorite.setUserId(userId);
+        favorite.setFileId(fileId);
+        boolean isSaved = fileFavoriteService.save(favorite);
+        if (isSaved) {
+            UserThreadLocal.setSuccessInfo("", fileId, StrFormatter.format("收藏了文件"));
+        }
+        return isSaved;
+    }
+
+    /**
+     * 判断是否已收藏
+     * @param userId
+     * @param fileId
+     * @return
+     */
+    @Override
+    public boolean isFavorite(String userId, String fileId) {
+        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(EdFileFavorite::getUserId, userId)
+                .eq(EdFileFavorite::getFileId, fileId);
+        return fileFavoriteService.getOne(queryWrapper) != null;
+    }
+
+    /**
+     * 移除收藏
+     * @param userId
+     * @param fileId
+     * @return
+     */
+    @Override
+    public boolean removeFavorite(String userId, String fileId) {
+        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(EdFileFavorite::getUserId, userId)
+                .eq(EdFileFavorite::getFileId, fileId);
+        boolean isRemoved = fileFavoriteService.remove(queryWrapper);
+        if (isRemoved) {
+            UserThreadLocal.setSuccessInfo("", fileId, StrFormatter.format("取消了收藏"));
+        }
+        return isRemoved;
+    }
+
+    /**
+     * 查询当前用户收藏文件信息
+     * @param userId 用户id
+     * @param fileInfoQueryDTO 分页信息
+     * @return
+     */
+    @Override
+    public IPage<FileInfoVO> findFavorite(String userId, FileInfoQueryDTO fileInfoQueryDTO) {
+        // 查询该用户收藏的文件id
+        LambdaQueryWrapper<EdFileFavorite> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.select(EdFileFavorite::getFileId).eq(EdFileFavorite::getUserId, userId);
+        List<String> fileIds = fileFavoriteService.listObjs(queryWrapper, Object::toString);
+
+        // 创建分页对象
+        Page<FileInfoVO> page = new Page<>(fileInfoQueryDTO.getPageNum(), fileInfoQueryDTO.getPageSize());
+        IPage<FileInfoVO> fileInfoVOIPage = queryFileList(page, fileIds, fileInfoQueryDTO, EleDataSaveStatusEnum.SUCCESS.code, EffectFlagEnum.EFFECT.code);
+        fileInfoVOIPage.getRecords().forEach(e -> {
+            e.setFileSizeShow(EleCommonUtil.convertFileSize(e.getFileSize()));
+            e.setIsFavorite(isFavorite(UserThreadLocal.getUserId(), e.getId()) ? 1 : 0);
+            e.setIsPersonal(e.getCreatedBy() == UserThreadLocal.getUserId() ? 1 : 0);
+        });
+        UserThreadLocal.setSuccessInfo("", "", "查询了收藏列表");
+        return fileInfoVOIPage;
+    }
+
 }

electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/FileTagRelationServiceImpl.java

@@ -9,20 +9,23 @@ import com.electromagnetic.industry.software.manage.mapper.EdTagLibraryMapper;
 import com.electromagnetic.industry.software.manage.mapper.FileTagRelationMapper;
 import com.electromagnetic.industry.software.manage.pojo.models.EdTagLibrary;
 import com.electromagnetic.industry.software.manage.pojo.models.FileTagRelation;
+import com.electromagnetic.industry.software.manage.pojo.resp.FileTagInfo;
+import com.electromagnetic.industry.software.manage.pojo.resp.TagListVO;
 import com.electromagnetic.industry.software.manage.service.FileTagRelationService;
+import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.ArrayList;
 import java.util.List;
 
 @Service
 public class FileTagRelationServiceImpl extends ServiceImpl<FileTagRelationMapper, FileTagRelation> implements FileTagRelationService {
     @Autowired
     private EdTagLibraryMapper edTagLibraryMapper;
-    @Override
+    private boolean addTagToFile(String fileId, String tagId, String createdBy) {
-    @Transactional
-    public boolean addTagToFile(String fileId, String tagId, String createdBy) {
         // 检查标签是否存在并且已发布
         EdTagLibrary tag = edTagLibraryMapper.selectOne(new LambdaQueryWrapper<EdTagLibrary>()
                 .eq(EdTagLibrary::getTagId, tagId)
@@ -36,13 +39,19 @@ public class FileTagRelationServiceImpl extends ServiceImpl<FileTagRelationMappe
         relation.setTagId(tagId);
         relation.setCreatedBy(createdBy);
 
-        boolean isSuccess = this.save(relation);
+        return this.saveOrUpdate(relation, new LambdaQueryWrapper<FileTagRelation>()
-        if (isSuccess) {
+                .eq(FileTagRelation::getFileId, fileId)
-            UserThreadLocal.setSuccessInfo("", relation.getId(), "添加了标签到文件");
+                .eq(FileTagRelation::getTagId, tagId));
-        }
+
-        return isSuccess;
     }
 
+    /**
+     * 批量添加标签到文件
+     * @param fileId
+     * @param tagIds
+     * @param createdBy
+     * @return
+     */
     @Override
     @Transactional
     public boolean addTagsToFile(String fileId, List<String> tagIds, String createdBy) {
@@ -50,6 +59,29 @@ public class FileTagRelationServiceImpl extends ServiceImpl<FileTagRelationMappe
         for (String tagId : tagIds) {
             isSuccess &= addTagToFile(fileId, tagId, createdBy);
         }
+        if (isSuccess) {
+            UserThreadLocal.setSuccessInfo("", "", "添加了标签到文件");
+        }
         return isSuccess;
     }
+
+    /**
+     * 获取文件标签
+     * @param fileId
+     * @return
+     */
+    public List<FileTagInfo> getFileTags (String fileId) {
+        LambdaQueryWrapper<FileTagRelation> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(FileTagRelation::getFileId, fileId);
+        List<FileTagRelation> relations = this.list(queryWrapper);
+        List<FileTagInfo> result = new ArrayList<>();
+        for (FileTagRelation relation : relations) {
+            EdTagLibrary tagInfo = edTagLibraryMapper.selectById(relation.getTagId());
+            FileTagInfo vo = new FileTagInfo();
+            BeanUtils.copyProperties(tagInfo, vo);
+            result.add(vo);
+        }
+        UserThreadLocal.setSuccessInfo("", "", "获取了标签数据");
+        return result;
+    }
 }