private static ManualScaleDefinition ParseManScaleFromXml(XmlNode manScaleNode)
{
string name = ParseXmlAttribute(manScaleNode, "name");
string scaleName = ParseXmlAttribute(manScaleNode, "scaleName");
string questionsString = ParseXmlAttribute(manScaleNode, "questions");
int _slope = Convert.ToInt16(ParseXmlAttribute(manScaleNode, "slope"));
int _intercept = Convert.ToInt16(ParseXmlAttribute(manScaleNode, "intercept"));
int _max = Convert.ToInt16(ParseXmlAttribute(manScaleNode, "max"));
int _maxResponse = Convert.ToInt16(ParseXmlAttribute(manScaleNode, "maxResponse"));
string[] questions;
Dictionary <int, int> manualScoreTable = new Dictionary <int, int>();
questions = questionsString.Split(",".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
XmlNodeList scoreMapvals = manScaleNode.SelectNodes("scoreMapValue");
foreach (XmlNode scoreitem in scoreMapvals)
{
string _response = scoreitem.SelectSingleNode("response").InnerText;
string _score = scoreitem.SelectSingleNode("score").InnerText;
int response = Convert.ToInt16(_response);
int score = Convert.ToInt16(_score);
manualScoreTable.Add(response, score);
}
ManualScaleDefinition manscaledef = new ManualScaleDefinition(name, scaleName, questions, _slope, _intercept, _max, _maxResponse, manualScoreTable);
return(manscaledef);
}
public BreastQScaleScore GetScaleScore(ScaleDefinition scaleDefinition, int[] scaleResponses)
{
// ask if scale is defined in QScoreLibrary
QScoreLibrary.Estimation.eScales?_scale = null;
// manual scale
ManualScaleDefinition manualScale = null;
_scale = BreastQEngine.GetScale(scaleDefinition.Scale);
Estimation.eErrors scaleError = Estimation.eErrors.eErrorNoResponseData;
int?scaleScore = null;
if (_scale.HasValue)
{
// use breastq assembly to calculate the score
int engineScore = (int)scoringEngine.EstimateQuestionnaireScale(_scale.Value, scaleResponses, out scaleError);
if (scaleError == Estimation.eErrors.eNoError)
{
scaleScore = engineScore;
}
}
else if (manualScaleLookup.TryGetValue(scaleDefinition.Scale, out manualScale))
{
// score manually
int[] convertedResponses = new int[scaleResponses.Length];
for (int i = 0; i < scaleResponses.Length; i++)
{
convertedResponses[i] = manualScale.slope * scaleResponses[i] + manualScale.intercept;
//Some responses saturate.
if (convertedResponses[i] > manualScale.max)
{
convertedResponses[i] = manualScale.max;
}
//0 is an invalid response for all manual scales
if (scaleResponses[i] == 0)
{
convertedResponses[i] = -1;
}
}
int responseSum = convertedResponses.Sum();
int finalScore;
if (!manualScale.ScoreHashTable.TryGetValue(responseSum, out finalScore))
{
//finalScore = -1; //invalid sum
scaleError = Estimation.eErrors.eErrorNoResponseData;
}
else if (scaleResponses.Max() > manualScale.maxResponse)
{
//invalid response
//finalScore = -1;
scaleError = Estimation.eErrors.eErrorImplementationResponsesInvalidValue;
}
else
{
scaleError = Estimation.eErrors.eNoError;
scaleScore = finalScore;
}
}
else if (!string.IsNullOrEmpty(scaleDefinition.Alias))
{
_scale = BreastQEngine.GetScale(scaleDefinition.Alias);
if (_scale.HasValue)
{
// can you call this function recursively?
int engineScore = (int)scoringEngine.EstimateQuestionnaireScale(_scale.Value, scaleResponses, out scaleError);
if (scaleError == Estimation.eErrors.eNoError)
{
scaleScore = engineScore;
}
}
}
BreastQScaleScore breastQScore = new BreastQScaleScore();
// set error code
if (_scale == null && manualScale == null)
{
breastQScore.Error = Estimation.eErrors.eErrorImplementationInvalidScaleEnum;
}
else
{
breastQScore.Error = scaleError;
}
breastQScore.Scale = scaleDefinition;
// set score
if (scaleError == Estimation.eErrors.eNoError && scaleScore.HasValue)
{
breastQScore.Score = (int?)scaleScore;
}
else
{
breastQScore.Score = null;
}
return(breastQScore);
}