Feat: support chunk size option in policy

pkg/filesystem/upload.go

@@ -184,6 +184,7 @@ func (fs *FileSystem) CreateUploadSession(ctx context.Context, path string, size
 		Name:        name,
 		Size:        size,
 		SavePath:    savePath,
+		ChunkSize:   fs.Policy.OptionsSerialized.ChunkSize,
 	}
 
 	// 获取上传凭证

pkg/serializer/explorer.go

@@ -46,11 +46,12 @@ type Object struct {
 
 // PolicySummary 用于前端组件使用的存储策略概况
 type PolicySummary struct {
-	ID       string   `json:"id"`
-	Name     string   `json:"name"`
-	Type     string   `json:"type"`
-	MaxSize  uint64   `json:"max_size"`
-	FileType []string `json:"file_type"`
+	ID        string   `json:"id"`
+	Name      string   `json:"name"`
+	Type      string   `json:"type"`
+	MaxSize   uint64   `json:"max_size"`
+	FileType  []string `json:"file_type"`
+	ChunkSize uint64   `json:"chunk_size"`
 }
 
 // BuildObjectList 构建列目录响应
@@ -65,11 +66,12 @@ func BuildObjectList(parent uint, objects []Object, policy *model.Policy) Object
 
 	if policy != nil {
 		res.Policy = &PolicySummary{
-			ID:       hashid.HashID(policy.ID, hashid.PolicyID),
-			Name:     policy.Name,
-			Type:     policy.Type,
-			MaxSize:  policy.MaxSize,
-			FileType: policy.OptionsSerialized.FileType,
+			ID:        hashid.HashID(policy.ID, hashid.PolicyID),
+			Name:      policy.Name,
+			Type:      policy.Type,
+			MaxSize:   policy.MaxSize,
+			FileType:  policy.OptionsSerialized.FileType,
+			ChunkSize: policy.OptionsSerialized.ChunkSize,
 		}
 	}
 

pkg/serializer/upload.go

@@ -38,6 +38,7 @@ type UploadSession struct {
 	Name        string
 	Size        uint64
 	SavePath    string
+	ChunkSize   uint64
 }
 
 // UploadCallback 上传回调正文