private async Task ValidateTestAsync(int id)
{
var user = await Context.GetCurrentUserAsync();
var test = await _repositoryTest.FindFirstAsync(new TestsById(id)) ??
throw ExceptionHelper.NotFound <DatabaseTest>(id);
var specification =
new TestsById(id) &
new TestsForStudents() &
new TestsByStudentId(user.Id);
if (specification.IsSatisfiedBy(test) == false)
{
throw ExceptionHelper.CreatePublicException("Указанный тест недоступен.");
}
}
public async Task <Question> ProcessTestQuestionAsync(int id, Question question)
{
var user = await Context.GetCurrentUserAsync();
if (user.IsNotStudent())
{
throw ExceptionHelper.NoAccess();
}
var test = await _repositoryTest.FindFirstAsync(new TestsById(id)) ??
throw ExceptionHelper.NotFound <DatabaseTest>(id);
var specification =
new TestsById(id) &
new TestsForStudents() &
new TestsByStudentId(user.Id);
if (specification.IsSatisfiedBy(test) == false)
{
throw ExceptionHelper.CreatePublicException("Указанный тест недоступен.");
}
var model = await _repositoryQuestion.FindFirstAsync(new QuestionsById(question.Id)) ??
throw ExceptionHelper.NotFound <DatabaseQuestion>(question.Id);
var result = await _questionValidatorFactory
.GetQuestionValidator(model.Type)
.ValidateAsync(question);
if (result.Right != true)
{
return(result);
}
model.QuestionStudents.Add(new DatabaseQuestionStudent
{
Passed = true,
StudentId = user.Id
});
await _repositoryQuestion.UpdateAsync(model, true);
return(result);
}