opt: Only create actived upload service

api/service/oss/uploader_manager.go

@@ -6,8 +6,7 @@ import (
 )
 
 type UploaderManager struct {
-	active         string
-	uploadServices map[string]Uploader
+	handler Uploader
 }
 
 const Local = "LOCAL"
@@ -15,27 +14,29 @@ const Minio = "MINIO"
 const QiNiu = "QINIU"
 
 func NewUploaderManager(config *types.AppConfig) (*UploaderManager, error) {
-	services := make(map[string]Uploader)
-	if config.OSS.Minio.AccessKey != "" {
-		minioService, err := NewMinioService(config)
-		if err != nil {
-			return nil, err
-		}
-		services[Minio] = minioService
-	}
-	if config.OSS.Local.BasePath != "" {
-		services[Local] = NewLocalStorageService(config)
-	}
-	if config.OSS.QiNiu.AccessKey != "" {
-		services[QiNiu] = NewQiNiuService(config)
-	}
 	active := Local
 	if config.OSS.Active != "" {
 		active = strings.ToUpper(config.OSS.Active)
 	}
-	return &UploaderManager{uploadServices: services, active: active}, nil
+	var handler Uploader
+	switch active {
+	case Local:
+		handler = NewLocalStorageService(config)
+		break
+	case Minio:
+		service, err := NewMinioService(config)
+		if err != nil {
+			return nil, err
+		}
+		handler = service
+		break
+	case QiNiu:
+		handler = NewQiNiuService(config)
+	}
+
+	return &UploaderManager{handler: handler}, nil
 }
 
-func (m *UploaderManager) GetActiveService() Uploader {
-	return m.uploadServices[m.active]
+func (m *UploaderManager) GetUploadHandler() Uploader {
+	return m.handler
 }