public IActionResult GetFileSize(long id, string name) { //データの存在チェック var property = dataRepository.GetDataProperty(id, name); if (property == null || property.DataFile == null) { return(JsonNotFound($"Data ID {id} or file name {name} is not found.")); } var fileSize = storageLogic.GetFileSize(ResourceType.Data, property.DataFile.StoredPath); return(JsonOK(new DataFileOutputModel { Id = id, Key = name, FileId = property.Id, FileName = property.DataFile.FileName, FileSize = fileSize })); }