fix(fs): cannot delete file while user is deleted (fix #1586)

models/file.go

@@ -234,7 +234,7 @@ func DeleteFiles(files []*File, uid uint) error {
 	user.ID = uid
 	var size uint64
 	for _, file := range files {
-		if file.UserID != uid {
+		if uid > 0 && file.UserID != uid {
 			tx.Rollback()
 			return errors.New("user id not consistent")
 		}
@@ -253,10 +253,12 @@ func DeleteFiles(files []*File, uid uint) error {
 		size += file.Size
 	}
 
+	if uid > 0 {
 		if err := user.ChangeStorage(tx, "-", size); err != nil {
 			tx.Rollback()
 			return err
 		}
+	}
 
 	return tx.Commit().Error
 }

service/admin/file.go

@@ -103,16 +103,23 @@ func (service *FileBatchService) Delete(c *gin.Context) serializer.Response {
 	// 异步执行删除
 	go func(files map[uint][]model.File) {
 		for uid, file := range files {
+			var (
+				fs  *filesystem.FileSystem
+				err error
+			)
 			user, err := model.GetUserByID(uid)
+			if err != nil {
+				fs, err = filesystem.NewAnonymousFileSystem()
 				if err != nil {
 					continue
 				}
-
-			fs, err := filesystem.NewFileSystem(&user)
+			} else {
+				fs, err = filesystem.NewFileSystem(&user)
 				if err != nil {
 					fs.Recycle()
 					continue
 				}
+			}
 
 			// 汇总文件ID
 			ids := make([]uint, 0, len(file))