private static List <IshiharaPlateModel> GetSet(IshiharaTestType testType)
{
var plates = new List <IshiharaPlateModel>();
if (testType == IshiharaTestType.Ishihara6)
{
InitializeSixPlate(plates);
}
if (testType == IshiharaTestType.Ishihara10)
{
throw new NotImplementedException();
}
if (testType == IshiharaTestType.Ishihara14)
{
InitializeFourteenPlate(plates);
}
if (testType == IshiharaTestType.Ishihara24)
{
InitializeTwentyFourPlate(plates);
}
if (testType == IshiharaTestType.Ishihara38)
{
InitializeThirtyEightPlate(plates);
}
return(plates);
}
protected IshiharaColorVisionClassification(List <IshiharaPlateAnswer> ishiharaSixPlate,
IshiharaTestType testType)
{
TestType = testType;
AnswerList = ishiharaSixPlate ?? throw new ArgumentNullException(nameof(ishiharaSixPlate));
PlateSet = GetPlateSet(testType);
if (ishiharaSixPlate.Count != PlateSet.Count)
{
throw new IndexOutOfRangeException(
$"{nameof(ishiharaSixPlate)} has {ishiharaSixPlate.Count} items and it should have {PlateSet.Count}.");
}
}
private static int DetermineLowerLimitOfPass(IshiharaTestType testType)
{
if (testType == IshiharaTestType.Ishihara6)
{
return(6);
}
if (testType == IshiharaTestType.Ishihara10)
{
throw new NotImplementedException();
}
if (testType == IshiharaTestType.Ishihara14)
{
return(10);
}
return(testType == IshiharaTestType.Ishihara24 ? 13 : 17);
}
private static int DetermineUpperLimitOfFail(IshiharaTestType testType)
{
if (testType == IshiharaTestType.Ishihara6)
{
return(4);
}
if (testType == IshiharaTestType.Ishihara10)
{
throw new NotImplementedException();
}
if (testType == IshiharaTestType.Ishihara14)
{
return(7);
}
return(testType == IshiharaTestType.Ishihara24 ? 9 : 13);
}
private static int DetermineNumberOfSlidesToEvaluate(IshiharaTestType testType)
{
if (testType == IshiharaTestType.Ishihara6)
{
return(6);
}
if (testType == IshiharaTestType.Ishihara10)
{
return(10);
}
if (testType == IshiharaTestType.Ishihara14)
{
return(14);
}
return(testType == IshiharaTestType.Ishihara24 ? 24 : 38);
}
private static List <IshiharaPlateModel> GetPlateSet(IshiharaTestType testType)
{
if (testType == IshiharaTestType.Ishihara6)
{
return(IshiharaPlateSetRepository.SixPlateScreen());
}
if (testType == IshiharaTestType.Ishihara10)
{
return(IshiharaPlateSetRepository.SixPlateScreen());
}
if (testType == IshiharaTestType.Ishihara14)
{
return(IshiharaPlateSetRepository.FourteenPlateScreen());
}
return(testType == IshiharaTestType.Ishihara24
? IshiharaPlateSetRepository.TwentyFourPlateScreen()
: IshiharaPlateSetRepository.ThirtyEightPlateScreen());
}
public IshiharaPlateReadLimits(IshiharaTestType testType)
{
UpperLimitOfFail = DetermineUpperLimitOfFail(testType);
LowerLimitOfPass = DetermineLowerLimitOfPass(testType);
SlidesToEvaluate = DetermineNumberOfSlidesToEvaluate(testType);
}
