public void SaveNow()
{
_timer.Stop(); //Resets the timer to the start of the interval
if (!SettingsDirty)
{
return;
}
var inProgressSavePath = Path.Combine(SettingsFolder, SettingsLoader.IncompleteSettingsFileName);
var oldSavePath = Path.Combine(SettingsFolder, SettingsLoader.OldSettingsFileName);
var savePath = Path.Combine(SettingsFolder, SettingsLoader.SettingsFileName);
//This process, along with the fact that the loader checks for a file at the "old save path"
//if one at the normal save path isn't found, ensures that there is always a save file available,
//so it should never get corrupted/lost or anything.
SettingsHost.ToRaw().ToXml().Save(inProgressSavePath);
if (File.Exists(savePath))
{
File.Move(savePath, oldSavePath);
}
File.Move(inProgressSavePath, savePath);
File.Delete(oldSavePath);
SettingsDirty = false;
_logger.Log("Saved all settings.", LogType.MinorMessage);
}
public SettingsSaver(SettingsHost settingsHost, string settingsFolder, int saveDelay, Logger logger)
{
if (saveDelay <= 0)
{
throw new ArgumentOutOfRangeException("Must be greater than zero.");
}
this.SettingsHost = settingsHost ?? throw new ArgumentNullException(nameof(settingsHost));
this.SettingsFolder = settingsFolder ?? throw new ArgumentNullException(nameof(settingsFolder));
this.SaveDelay = saveDelay;
this._logger = logger;
this._timer = new Timer()
{
Interval = saveDelay
};
this._timer.Tick += delegate { SaveNow(); };
this.SettingsDirty = true;
settingsHost.AnySettingChanged += delegate { SettingsDirty = true; };
}