/// <summary>
/// Verifies that the given class question was correctly duplicated.
/// </summary>
private void VerifyClassQuestion(
DatabaseContext dbContext,
ClassQuestion oldQuestion,
ClassQuestion newQuestion)
{
VerifyCodeQuestion(dbContext, oldQuestion, newQuestion);
VerifyCollectionDuplicated
(
dbContext,
oldQuestion,
newQuestion,
q => q.Tests,
t => t.Id,
t => t.Description
);
VerifyCollectionDuplicated
(
dbContext,
oldQuestion,
newQuestion,
q => q.RequiredMethods,
r => r.Id,
r => r.Name
);
}
/// <summary>
/// Creates a question loader for a class question.
/// </summary>
IQuestionResolver IQuestionResultVisitor <IQuestionResolver, UserQuestionData> .Visit(
ClassQuestion question,
UserQuestionData userQuestionData)
{
return(new DefaultQuestionResolver(userQuestionData));
}
/// <summary>
/// Creates a question loader for a class question.
/// </summary>
IQuestionLoader IQuestionResultVisitor <IQuestionLoader> .Visit(ClassQuestion question)
{
return(new ClassQuestionLoader(_dbContext, question));
}
/// <summary>
/// Creates a question updater for a class question.
/// </summary>
IQuestionUpdater IQuestionResultVisitor <IQuestionUpdater, IModelErrorCollection> .Visit(
ClassQuestion question,
IModelErrorCollection errors)
{
return(new ClassQuestionUpdater(_dbContext, question, errors));
}
/// <summary>
/// Creates a question loader for a class question.
/// </summary>
IUserQuestionDataUpdater IQuestionResultVisitor <IUserQuestionDataUpdater> .Visit(
ClassQuestion question)
{
return(_defaultUserQuestionDataUpdater);
}
/// <summary>
/// Creates a question duplicator for a class question.
/// </summary>
IQuestionDuplicator IQuestionResultVisitor <IQuestionDuplicator> .Visit(ClassQuestion question)
{
return(new ClassQuestionDuplicator(_dbContext, question));
}
/// <summary>
/// Creates a question grader for a class question.
/// </summary>
IQuestionGrader IQuestionResultVisitor <IQuestionGrader> .Visit(ClassQuestion question)
{
return(new ClassQuestionGrader(question, _codeRunnerService));
}