private void UpdateLevel()
{
var previousLevel = Level;
if (_points <= _appSettings.PointsToLevel1)
{
Level = 0;
}
else if (_points <= _appSettings.PointsToLevel2)
{
Level = 1;
}
else if (_points <= _appSettings.PointsToLevel3)
{
Level = 2;
}
else if (_points <= _appSettings.PointsToLevel4)
{
Level = 3;
}
else if (_points <= _appSettings.PointsToLevel5)
{
Level = 4;
}
else
{
Level = 5;
}
if (previousLevel != Level)
{
LevelChanged.SafelyInvoke(new StateChange <int>(previousLevel, Level));
}
}