protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var question = (QuestionWithResultsViewModel)value;
if (question.IsRequired) // Required
{
if (String.IsNullOrWhiteSpace(question.Condition)) // Senza condizioni
{
if (question.QuestionType == QuestionType.OpenAnswer)
{
if (String.IsNullOrWhiteSpace(question.OpenAnswerAnswerText))
{
return(new ValidationResult(String.Format(T("You have to answer to {0}").Text, question.Question)));
}
else
{
var textValidationError = String.Format(T(ValidateCommons.ValidateAnswerText(question.OpenAnswerAnswerText, question.AnswerType)).Text, question.Question);
if (!String.IsNullOrWhiteSpace(textValidationError))
{
return(new ValidationResult(textValidationError));
}
}
}
else if (question.QuestionType == QuestionType.SingleChoice && question.SingleChoiceAnswer <= 0)
{
return(new ValidationResult(String.Format(T("You have to answer to {0}").Text, question.Question)));
}
else if (question.QuestionType == QuestionType.MultiChoice && question.AnswersWithResult.Count(w => w.Answered) == 0)
{
return(new ValidationResult(String.Format(T("You have to answer to {0}").Text, question.Question)));
}
}
else
{
// Se ho delle condizioni Si occupa il validator del questionnaire (che ha la visione d'insieme di tutte le domanda/risposte
}
}
else // NotRequired
{
if (question.QuestionType == QuestionType.OpenAnswer && !String.IsNullOrWhiteSpace(question.OpenAnswerAnswerText))
{
var textValidationError = String.Format(T(ValidateCommons.ValidateAnswerText(question.OpenAnswerAnswerText, question.AnswerType)).Text, question.Question); if (!String.IsNullOrWhiteSpace(textValidationError))
{
return(new ValidationResult(textValidationError));
}
}
}
return(ValidationResult.Success);
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var questionnaire = (QuestionnaireWithResultsViewModel)value;
if (questionnaire.MustAcceptTerms && !questionnaire.HasAcceptedTerms)
{
return(new ValidationResult(T("Please, accept our terms and conditions!").Text));
}
else
{
// valido le risposte in base alle condizioni dato che solo in questo oggetto ho la visione di insieme
var singleChoice = questionnaire.QuestionsWithResults.Where(w => w.SingleChoiceAnswer > 0).Select(s => s.SingleChoiceAnswer);
var multiChoice = questionnaire.QuestionsWithResults
.SelectMany(s => s.AnswersWithResult)
.Where(w => w.Answered)
.Select(s2 => s2.Id);
_answerIds = singleChoice.Union(multiChoice);
var validationErrors = new List <string>();
var requiredQuestions = questionnaire.QuestionsWithResults.Where(w => String.IsNullOrWhiteSpace(w.Condition) && w.IsRequired);
foreach (var q in requiredQuestions)
{
switch (q.QuestionType)
{
case QuestionType.OpenAnswer:
if (string.IsNullOrWhiteSpace(q.OpenAnswerAnswerText))
{
validationErrors.Add(String.Format(T("You have to answer to {0}").Text, q.Question));
}
break;
case QuestionType.MultiChoice:
if (q.AnswersWithResult.Count(w => w.Answered) == 0)
{
validationErrors.Add(String.Format(T("You have to answer to {0}").Text, q.Question));
}
break;
case QuestionType.SingleChoice:
if (q.SingleChoiceAnswer <= 0)
{
validationErrors.Add(String.Format(T("You have to answer to {0}").Text, q.Question));
}
break;
}
}
var conditionalQuestions = questionnaire.QuestionsWithResults.Where(w => !String.IsNullOrWhiteSpace(w.Condition) && w.IsRequired);
foreach (var q in conditionalQuestions)
{
// verifico per ogni question condizionale se tra tutte le risposte date la condizione è soddisfatta
var condition = Regex.Replace(q.Condition, "[0-9]+", new MatchEvaluator(HasThisAnswer));
condition = condition.Replace("and", "&&").Replace("or", "||");
var expression = new CompiledExpression(condition);
var conditionResult = expression.Eval();
if (((bool)conditionResult && q.ConditionType == ConditionType.Show) || ((!(bool)conditionResult) && q.ConditionType == ConditionType.Hide))
{
// Se la condizione è vera allora ho la condizione soddisfatta
if (q.IsRequired)
{
// quindi la domanda è visibile a video e se è required deve avere una risposta pertinente
if (q.QuestionType == QuestionType.OpenAnswer)
{
if (String.IsNullOrWhiteSpace(q.OpenAnswerAnswerText))
{
validationErrors.Add(String.Format(T("You have to answer to {0}").Text, q.Question));
}
else
{
var textValidationError = String.Format(T(ValidateCommons.ValidateAnswerText(q.OpenAnswerAnswerText, q.AnswerType)).Text, q.Question);
if (!String.IsNullOrWhiteSpace(textValidationError))
{
validationErrors.Add(textValidationError);
}
}
}
else if (q.QuestionType == QuestionType.SingleChoice && q.SingleChoiceAnswer <= 0)
{
validationErrors.Add(String.Format(T("You have to answer to {0}").Text, q.Question));
}
else if (q.QuestionType == QuestionType.MultiChoice && q.AnswersWithResult.Count(w => w.Answered) == 0)
{
validationErrors.Add(String.Format(T("You have to answer to {0}").Text, q.Question));
}
}
else
{
if (q.QuestionType == QuestionType.OpenAnswer && !String.IsNullOrWhiteSpace(q.OpenAnswerAnswerText))
{
var textValidationError = String.Format(T(ValidateCommons.ValidateAnswerText(q.OpenAnswerAnswerText, q.AnswerType)).Text, q.Question);
if (!String.IsNullOrWhiteSpace(textValidationError))
{
validationErrors.Add(textValidationError);
}
}
}
}
else if (((bool)conditionResult && q.ConditionType == ConditionType.Hide) || ((!(bool)conditionResult) && q.ConditionType == ConditionType.Show))
{
// Se la condizione è vera e deve nascondere oppure la condizione è falsa
q.OpenAnswerAnswerText = "";
q.SingleChoiceAnswer = 0;
for (var i = 0; i < q.AnswersWithResult.Count(); i++)
{
q.AnswersWithResult[i].Answered = false;
}
}
}
if (validationErrors.Count() > 0)
{
return(new ValidationResult(String.Join("\r\n", validationErrors)));
}
}
return(ValidationResult.Success);
}