/// <summary>
/// Calculate an adjusted value from the question weight, type and answer.
/// </summary>
/// <returns></returns>
public static SurveyOutcome CalcOutcome(this SurveyResponse result)
{
if (result.CampaignForResults == null)
{
throw new ArgumentException("result missing campaign");
}
if (result.CampaignForResults.SurveyForCampaign == null)
{
throw new ArgumentException("result missing survey");
}
if (result.SurveyResponseCalculatedValue == null)
{
throw new ArgumentException("result missing SurveyResponseCalculatedValue");
}
var outcomes = result.CampaignForResults.SurveyForCampaign.SurveyOutcomes;
return(result.CalcOutcome(outcomes, result.SurveyResponseCalculatedValue));
}
/// <summary>
/// Update the results weighted values and the outcomes. Input must be writable.
/// </summary>
/// <param name="result"></param>
public static void UpdateWeightedValueAndOutcomes(this SurveyResponse result)
{
result.SurveyResponseCalculatedValue = result.CalcWeightedValue();
result.SurveyResponseOutcome = result.CalcOutcome();
}