Fix: folder with the same name should not be created

pkg/filesystem/errors.go

@@ -12,7 +12,8 @@ var (
 	ErrInsufficientCapacity    = errors.New("容量空间不足")
 	ErrIllegalObjectName       = errors.New("目标名称非法")
 	ErrInsertFileRecord        = serializer.NewError(serializer.CodeDBError, "无法插入文件记录", nil)
-	ErrFileExisted             = errors.New("同名文件已存在")
+	ErrFileExisted             = serializer.NewError(serializer.CodeObjectExist, "同名文件已存在", nil)
+	ErrFolderExisted           = serializer.NewError(serializer.CodeObjectExist, "同名目录已存在", nil)
 	ErrPathNotExist            = serializer.NewError(404, "路径不存在", nil)
 	ErrObjectNotExist          = serializer.NewError(404, "文件不存在", nil)
 	ErrIO                      = serializer.NewError(serializer.CodeIOFailed, "无法读取文件数据", nil)

pkg/filesystem/path.go

@@ -107,6 +107,12 @@ func (fs *FileSystem) CreateDirectory(ctx context.Context, fullPath string) erro
 		return ErrPathNotExist
 	}
 
+	// 是否有同名目录
+	b, _ := fs.IsPathExist(fullPath)
+	if b {
+		return ErrFolderExisted
+	}
+
 	// 是否有同名文件
 	if ok, _ := fs.IsFileExist(path.Join(base, dir)); ok {
 		return ErrFileExisted

pkg/serializer/error.go

@@ -50,6 +50,8 @@ const (
 	CodeUploadFailed = 40002
 	// CodeCreateFolderFailed 目录创建失败
 	CodeCreateFolderFailed = 40003
+	// CodeObjectExist 对象已存在
+	CodeObjectExist = 40004
 	// CodeDBError 数据库操作失败
 	CodeDBError = 50001
 	// CodeEncryptError 加密失败