优化

internal/data/media_upload.go

@@ -84,7 +84,9 @@ func (r *mediaRepo) CompleteUploadSession(ctx context.Context, id uint, key stri
 	return r.data.gormDB.WithContext(ctx).Model(&uploadSessionPO{}).Where("id = ?", id).Updates(map[string]any{"status": "completed", "storage_key": key, "media_id": mediaID}).Error
 }
 func (r *mediaRepo) DeleteUploadSession(ctx context.Context, id uint) error {
-	return r.data.gormDB.WithContext(ctx).Unscoped().Delete(&uploadSessionPO{}, id).Error
+	// The compatible flow uses GORM's normal Delete here, retaining the soft-deleted session
+	// for audit/recovery rather than physically removing it.
+	return r.data.gormDB.WithContext(ctx).Delete(&uploadSessionPO{}, id).Error
 }
 func (r *mediaRepo) UpsertChunk(ctx context.Context, uploadID uint, v *biz.UploadChunk) error {
 	po := uploadChunkPO{UploadID: uploadID, ChunkIndex: v.Index, ChunkHash: v.Hash, Size: v.Size}
@@ -102,7 +104,7 @@ func (r *mediaRepo) ListChunks(ctx context.Context, uploadID uint) ([]*biz.Uploa
 	return out, nil
 }
 func (r *mediaRepo) DeleteChunks(ctx context.Context, uploadID uint) error {
-	return r.data.gormDB.WithContext(ctx).Unscoped().Where("upload_id = ?", uploadID).Delete(&uploadChunkPO{}).Error
+	return r.data.gormDB.WithContext(ctx).Where("upload_id = ?", uploadID).Delete(&uploadChunkPO{}).Error
 }
 func (r *mediaRepo) StaleUploadSessionIDs(ctx context.Context, before time.Time) ([]uint, error) {
 	var ids []uint
@@ -111,9 +113,9 @@ func (r *mediaRepo) StaleUploadSessionIDs(ctx context.Context, before time.Time)
 }
 func (r *mediaRepo) DeleteUploadData(ctx context.Context, uploadID uint) error {
 	return r.data.gormDB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
-		if err := tx.Unscoped().Where("upload_id = ?", uploadID).Delete(&uploadChunkPO{}).Error; err != nil {
+		if err := tx.Where("upload_id = ?", uploadID).Delete(&uploadChunkPO{}).Error; err != nil {
 			return err
 		}
-		return tx.Unscoped().Delete(&uploadSessionPO{}, uploadID).Error
+		return tx.Delete(&uploadSessionPO{}, uploadID).Error
 	})
 }