Function DeleteFile

api/model/file.go:971–996

(eid int64, id int64)

}

func DeleteFile(eid int64, id int64) error {
	file, err := GetFileByID(eid, id)
	if err != nil {
		return err
	}

	hasChildren, err := CheckHasChildren(eid, id)
	if err != nil {
		return err
	}
	if hasChildren {
		// 如果是包含子项的目录，递归删除所有子项
		if err := deleteDirectoryWithChildren(eid, id); err != nil {
			return err
		}
		invalidateLibraryFileCountCache(eid, file.LibraryID)
		return nil
	}

	// 使用新的级联删除逻辑
	if err := deleteFileWithCascade(eid, id); err != nil {
		return err
	}
	invalidateLibraryFileCountCache(eid, file.LibraryID)
	return nil
}

// deleteDirectoryWithChildren 递归删除目录及其所有子项
func deleteDirectoryWithChildren(eid int64, id int64) error {