Refactor: create placeholder file and record upload session id in it

pkg/filesystem/fsctx/stream.go

@@ -15,80 +15,62 @@ const (
 	Nop
 )
 
+// FileHeader 上传来的文件数据处理器
+type FileHeader interface {
+	io.Reader
+	io.Closer
+	Info() *UploadTaskInfo
+	SetSize(uint64)
+}
+
+type UploadTaskInfo struct {
+	Size            uint64
+	MIMEType        string
+	FileName        string
+	VirtualPath     string
+	Mode            WriteMode
+	Metadata        map[string]string
+	LastModified    *time.Time
+	SavePath        string
+	UploadSessionID *string
+}
+
 // FileStream 用户传来的文件
 type FileStream struct {
-	Mode         WriteMode
-	Hidden       bool
-	LastModified *time.Time
-	Metadata     map[string]string
-	File         io.ReadCloser
-	Size         uint64
-	VirtualPath  string
-	Name         string
-	MIMEType     string
-	SavePath     string
+	Mode            WriteMode
+	LastModified    *time.Time
+	Metadata        map[string]string
+	File            io.ReadCloser
+	Size            uint64
+	VirtualPath     string
+	Name            string
+	MIMEType        string
+	SavePath        string
+	UploadSessionID *string
 }
 
 func (file *FileStream) Read(p []byte) (n int, err error) {
 	return file.File.Read(p)
 }
 
-func (file *FileStream) GetMIMEType() string {
-	return file.MIMEType
-}
-
-func (file *FileStream) GetSize() uint64 {
-	return file.Size
-}
-
 func (file *FileStream) Close() error {
 	return file.File.Close()
 }
 
-func (file *FileStream) GetFileName() string {
-	return file.Name
-}
-
-func (file *FileStream) GetVirtualPath() string {
-	return file.VirtualPath
-}
-
-func (file *FileStream) GetMode() WriteMode {
-	return file.Mode
-}
-
-func (file *FileStream) GetMetadata() map[string]string {
-	return file.Metadata
-}
-
-func (file *FileStream) GetLastModified() *time.Time {
-	return file.LastModified
-}
-
-func (file *FileStream) IsHidden() bool {
-	return file.Hidden
-}
-
-func (file *FileStream) GetSavePath() string {
-	return file.SavePath
+func (file *FileStream) Info() *UploadTaskInfo {
+	return &UploadTaskInfo{
+		Size:            file.Size,
+		MIMEType:        file.MIMEType,
+		FileName:        file.Name,
+		VirtualPath:     file.VirtualPath,
+		Mode:            file.Mode,
+		Metadata:        file.Metadata,
+		LastModified:    file.LastModified,
+		SavePath:        file.SavePath,
+		UploadSessionID: file.UploadSessionID,
+	}
 }
 
 func (file *FileStream) SetSize(size uint64) {
 	file.Size = size
 }
-
-// FileHeader 上传来的文件数据处理器
-type FileHeader interface {
-	io.Reader
-	io.Closer
-	GetSize() uint64
-	GetMIMEType() string
-	GetFileName() string
-	GetVirtualPath() string
-	GetMode() WriteMode
-	GetMetadata() map[string]string
-	GetLastModified() *time.Time
-	IsHidden() bool
-	GetSavePath() string
-	SetSize(uint64)
-}