/// <summary>
/// Convert the ResultRecordType into the Result type.
/// </summary>
/// <param name="resultRecord">The ResultRecordType which
/// specifies the assignment and score.</param>
/// <returns>The corresponding Result</returns>
private static LisResult GetResult(ResultRecordType resultRecord)
{
var result = new LisResult { SourcedId = resultRecord.sourcedGUID.sourcedId };
if (resultRecord.result != null)
{
// The LTI 1.1 specification states in 6.1.1. that the score in replaceResult should
// always be formatted using “en” formatting
// (http://www.imsglobal.org/LTI/v1p1p1/ltiIMGv1p1p1.html#_Toc330273034).
const NumberStyles style = NumberStyles.Number | NumberStyles.AllowDecimalPoint;
var culture = CultureInfo.CreateSpecificCulture(LtiConstants.ScoreLanguage);
double value;
if (double.TryParse(resultRecord.result.resultScore.textString, style, culture, out value))
{
if (value >= 0 && value <= 1)
{
result.Score = value;
}
}
}
return result;
}
/// <summary> /// Save or update the result (grade, score, outcome) in the consumer. /// </summary> /// <param name="result">The result to save or update.</param> /// <returns>True if the result was saved or updated.</returns> protected abstract bool ReplaceResult(LisResult result);