refactor: 上传文件后返回id及缩略图 (#137)

Closes #132

continew-module-system/src/main/java/top/continew/admin/system/config/file/FileRecorderImpl.java

@@ -20,6 +20,7 @@ import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.ClassUtil;
 import cn.hutool.core.util.EscapeUtil;
 import cn.hutool.core.util.StrUtil;
+import com.baomidou.mybatisplus.core.incrementer.IdentifierGenerator;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.dromara.x.file.storage.core.FileInfo;
@@ -49,10 +50,14 @@ public class FileRecorderImpl implements FileRecorder {
 
     private final FileMapper fileMapper;
     private final StorageMapper storageMapper;
+    private final IdentifierGenerator identifierGenerator;
 
     @Override
     public boolean save(FileInfo fileInfo) {
         FileDO file = new FileDO();
+        Number id = identifierGenerator.nextId(fileInfo);
+        file.setId(id.longValue());
+        fileInfo.setId(id.longValue() + "");
         String originalFilename = EscapeUtil.unescape(fileInfo.getOriginalFilename());
         file.setName(StrUtil.contains(originalFilename, StringConstants.DOT)
             ? StrUtil.subBefore(originalFilename, StringConstants.DOT, true)

continew-module-system/src/main/java/top/continew/admin/system/model/resp/FileUploadResp.java

@@ -22,6 +22,7 @@ import lombok.Data;
 
 import java.io.Serial;
 import java.io.Serializable;
+import java.util.Map;
 
 /**
  * 文件上传响应信息
@@ -37,9 +38,27 @@ public class FileUploadResp implements Serializable {
     @Serial
     private static final long serialVersionUID = 1L;
 
+    /**
+     * 文件 id
+     */
+    @Schema(description = "文件 id", example = "1897293810343682049")
+    private String id;
+
     /**
      * 文件 URL
      */
     @Schema(description = "文件 URL", example = "http://localhost:8000/file/65e87dc3fb377a6fb58bdece.jpg")
     private String url;
+
+    /**
+     * 缩略图文件 URL
+     */
+    @Schema(description = "缩略图文件 URL", example = "http://localhost:8000/file/65e87dc3fb377a6fb58bdece.jpg")
+    private String thUrl;
+
+    /**
+     * 元数据
+     */
+    @Schema(description = "元数据")
+    private Map<String, String> metadata;
 }

continew-module-system/src/main/java/top/continew/admin/system/service/impl/FileServiceImpl.java

@@ -120,6 +120,7 @@ public class FileServiceImpl extends BaseServiceImpl<FileMapper, FileDO, FileRes
         FileInfo fileInfo = uploadPretreatment.upload();
         String domain = StrUtil.appendIfMissing(storage.getDomain(), StringConstants.SLASH);
         fileInfo.setUrl(URLUtil.normalize(domain + fileInfo.getPath() + fileInfo.getFilename()));
+        fileInfo.setThUrl(URLUtil.normalize(domain + fileInfo.getPath() + fileInfo.getThFilename()));
         return fileInfo;
     }
 

continew-webapi/src/main/java/top/continew/admin/controller/common/CommonController.java

@@ -69,7 +69,12 @@ public class CommonController {
     public FileUploadResp upload(@NotNull(message = "文件不能为空") MultipartFile file) {
         ValidationUtils.throwIf(file::isEmpty, "文件不能为空");
         FileInfo fileInfo = fileService.upload(file);
-        return FileUploadResp.builder().url(fileInfo.getUrl()).build();
+        return FileUploadResp.builder()
+            .id(fileInfo.getId())
+            .url(fileInfo.getUrl())
+            .thUrl(fileInfo.getThUrl())
+            .metadata(fileInfo.getMetadata())
+            .build();
     }
 
     @Operation(summary = "查询部门树", description = "查询树结构的部门列表")