public void Save()
{
Saving = true;
Directory.CreateDirectory(storagePath);
string savePath = Path.Combine(storagePath, DateTime.Today.ToString("yyyyMMdd") + ".json");
string tempPath = Path.Combine(storagePath, DateTime.Today.ToString("yyyyMMdd") + "temp.json");
string content = MyDataHelper.CoverObjectToJson(AllDays[DateTime.Today]);
MyDataHelper.WriteFile(tempPath, content);
MyDataHelper.RenameFile(tempPath, savePath);
Saving = false;
}