pref: throw file deletion failure exception. (#1430)

* 又拍云文件删除失败无响应的问题修复

* Update QiniuOssFileHandler.java

* Update LocalFileHandler.java

* Update LocalFileHandler.java

* Update QiniuOssFileHandler.java

* Update UpOssFileHandler.java

src/main/java/run/halo/app/handler/file/LocalFileHandler.java

@@ -194,6 +194,7 @@ public class LocalFileHandler implements FileHandler {
             boolean deleteResult = Files.deleteIfExists(thumbnailPath);
             if (!deleteResult) {
                 log.warn("Thumbnail: [{}] may not exist", thumbnailPath.toString());
+                throw new FileOperationException("附件缩略图 " + thumbnailName + " 删除失败");
             }
         } catch (IOException e) {
             throw new FileOperationException("附件缩略图 " + thumbnailName + " 删除失败", e);

src/main/java/run/halo/app/handler/file/QiniuOssFileHandler.java

@@ -185,6 +185,7 @@ public class QiniuOssFileHandler implements FileHandler {
             Response response = bucketManager.delete(bucket, key);
             if (!response.isOK()) {
                 log.warn("附件 " + key + " 从七牛云删除失败");
+                throw new FileOperationException("附件 " + key + " 从七牛云删除失败");
             }
         } catch (QiniuException e) {
             log.error("Qiniu oss error response: [{}]", e.response);

src/main/java/run/halo/app/handler/file/UpOssFileHandler.java

@@ -132,6 +132,7 @@ public class UpOssFileHandler implements FileHandler {
             Response result = manager.deleteFile(key, null);
             if (!result.isSuccessful()) {
                 log.warn("附件 " + key + " 从又拍云删除失败");
+                throw new FileOperationException("附件 " + key + " 从又拍云删除失败");
             }
         } catch (IOException | UpException e) {
             e.printStackTrace();