feat(storage): add cos support

internal/dal/model/docs.go

@@ -3,7 +3,6 @@ package model
 import (
 	"context"
 	"net/url"
-	"octopus/internal/config"
 	"octopus/internal/dal"
 	"time"
 
@@ -37,15 +36,14 @@ type Doc struct {
 	IsDeletable bool   `gorm:"column:is_deletable;type:boolean;not null;default:true"` // 是否允许被删除
 	IsEditable  bool   `gorm:"column:is_editable;type:boolean;not null;default:true"`  // 是否允许编辑名称
 	FolderID    string `gorm:"column:folder_id;type:varchar;index:idx_folder_id"`      // 文件夹ID
-	OSSObjectID string `gorm:"column:oss_object_id;type:varchar"`                      // OSS Object ID
+	ObjectName  string `gorm:"column:object_name;type:varchar"`                        // 对象存储中对应的object_name
 	CreatedBy   string `gorm:"column:created_by;type:varchar;not null"`                // 创建人
 
 	Folder *DocFolder `gorm:"foreignKey:FolderID;references:ID"`
 }
 
 func (df *Doc) PresignedURL(ctx context.Context) (*url.URL, error) {
-	bucket := config.Get().GetOSSConfig().Bucket
-	return dal.GetMinio().PresignedGetObject(ctx, bucket, df.OSSObjectID, time.Hour, nil)
+	return dal.GetStorage().PresignedGetObject(ctx, df.ObjectName, time.Hour)
 }
 
 func (*Doc) TableName() string {