From 3a90a6cb529d80454dda1ae3d7329d150d7aa690 Mon Sep 17 00:00:00 2001
From: Sydonian <794346190@qq.com>
Date: Tue, 4 Mar 2025 16:36:35 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=AF=E6=8C=81=E5=88=86=E5=9D=97=E4=B8=8A?=
 =?UTF-8?q?=E4=BC=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 sdks/storage/cdsapi/object.go | 129 ++++++++++++++++++++++++++++++++++
 sdks/storage/filehash.go      |   7 ++
 2 files changed, 136 insertions(+)

diff --git a/sdks/storage/cdsapi/object.go b/sdks/storage/cdsapi/object.go
index e5a8f61..5ceda5f 100644
--- a/sdks/storage/cdsapi/object.go
+++ b/sdks/storage/cdsapi/object.go
@@ -535,3 +535,132 @@ func (c *ObjectService) GetPackageObjects(req ObjectGetPackageObjects) (*ObjectG
 
 	return nil, jsonResp.ToError()
 }
+
+const ObjectNewMultipartUploadPath = "/v1/object/newMultipartUpload"
+
+type ObjectNewMultipartUpload struct {
+	UserID    cdssdk.UserID    `json:"userID" binding:"required"`
+	PackageID cdssdk.PackageID `json:"packageID" binding:"required"`
+	Path      string           `json:"path" binding:"required"`
+}
+
+type ObjectNewMultipartUploadResp struct {
+	Object cdssdk.Object `json:"object"`
+}
+
+func (c *ObjectService) NewMultipartUpload(req ObjectNewMultipartUpload) (*ObjectNewMultipartUploadResp, error) {
+	url, err := url.JoinPath(c.baseURL, ObjectNewMultipartUploadPath)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http2.PostJSON(url, http2.RequestParam{
+		Body: req,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	jsonResp, err := ParseJSONResponse[response[ObjectNewMultipartUploadResp]](resp)
+	if err != nil {
+		return nil, err
+	}
+
+	if jsonResp.Code == errorcode.OK {
+		return &jsonResp.Data, nil
+	}
+
+	return nil, jsonResp.ToError()
+}
+
+const ObjectUploadPartPath = "/v1/object/uploadPart"
+
+type ObjectUploadPart struct {
+	ObjectUploadPartInfo
+	File io.ReadCloser `json:"-"`
+}
+
+type ObjectUploadPartInfo struct {
+	UserID   cdssdk.UserID   `json:"userID" binding:"required"`
+	ObjectID cdssdk.ObjectID `json:"objectID" binding:"required"`
+	Index    int             `json:"index"`
+}
+
+type ObjectUploadPartResp struct{}
+
+func (c *ObjectService) UploadPart(req ObjectUploadPart) (*ObjectUploadPartResp, error) {
+	url, err := url.JoinPath(c.baseURL, ObjectUploadPartPath)
+	if err != nil {
+		return nil, err
+	}
+
+	infoJSON, err := serder.ObjectToJSON(req)
+	if err != nil {
+		return nil, fmt.Errorf("upload info to json: %w", err)
+	}
+
+	resp, err := http2.PostMultiPart(url, http2.MultiPartRequestParam{
+		Form: map[string]string{"info": string(infoJSON)},
+		Files: iterator.Array(&http2.IterMultiPartFile{
+			FieldName: "file",
+			File:      req.File,
+		}),
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	contType := resp.Header.Get("Content-Type")
+	if strings.Contains(contType, http2.ContentTypeJSON) {
+		var err error
+		var codeResp response[ObjectUploadPartResp]
+		if codeResp, err = serder.JSONToObjectStreamEx[response[ObjectUploadPartResp]](resp.Body); err != nil {
+			return nil, fmt.Errorf("parsing response: %w", err)
+		}
+
+		if codeResp.Code == errorcode.OK {
+			return &codeResp.Data, nil
+		}
+
+		return nil, codeResp.ToError()
+	}
+
+	return nil, fmt.Errorf("unknow response content type: %s", contType)
+}
+
+const ObjectCompleteMultipartUploadPath = "/v1/object/completeMultipartUpload"
+
+type ObjectCompleteMultipartUpload struct {
+	UserID   cdssdk.UserID   `json:"userID" binding:"required"`
+	ObjectID cdssdk.ObjectID `json:"objectID" binding:"required"`
+	Indexes  []int           `json:"indexes" binding:"required"`
+}
+
+type ObjectCompleteMultipartUploadResp struct {
+	Object cdssdk.Object `json:"object"`
+}
+
+func (c *ObjectService) CompleteMultipartUpload(req ObjectCompleteMultipartUpload) (*ObjectCompleteMultipartUploadResp, error) {
+	url, err := url.JoinPath(c.baseURL, ObjectCompleteMultipartUploadPath)
+	if err != nil {
+		return nil, err
+	}
+
+	resp, err := http2.PostJSON(url, http2.RequestParam{
+		Body: req,
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	jsonResp, err := ParseJSONResponse[response[ObjectCompleteMultipartUploadResp]](resp)
+	if err != nil {
+		return nil, err
+	}
+
+	if jsonResp.Code == errorcode.OK {
+		return &jsonResp.Data, nil
+	}
+
+	return nil, jsonResp.ToError()
+}
diff --git a/sdks/storage/filehash.go b/sdks/storage/filehash.go
index d4f9df5..b60cc30 100644
--- a/sdks/storage/filehash.go
+++ b/sdks/storage/filehash.go
@@ -20,6 +20,7 @@ type FileHash string
 const (
 	FullHashPrefix      = "Full"
 	CompositeHashPrefix = "Comp"
+	EmptyHash           = FileHash("Full0000000000000000000000000000000000000000000000000000000000000000")
 )
 
 func (h *FileHash) GetPrefix() string {
@@ -30,6 +31,12 @@ func (h *FileHash) GetHash() string {
 	return string((*h)[4:])
 }
 
+// 由调用者保证Hash值有效
+func (h *FileHash) GetHashBytes() []byte {
+	bytes, _ := hex.DecodeString(h.GetHash())
+	return bytes
+}
+
 func (h *FileHash) GetHashPrefix(len int) string {
 	return string((*h)[4 : 4+len])
 }