public long Insert(NewQuestionRequestModel item)
{
Question question = new Question
{
Question_ = item.Content,
SubjectId = item.SubjectId,
SysUserId = 1, // TODO: Change current sysUser
};
_questionRepo.Insert(question);
return question.QuestionId;
}
/// <summary>
/// Cần kiểm tra SubjectId
/// </summary>
public static bool Validate(NewQuestionRequestModel model, out string message)
{
bool fail = false;
if(model.Content == null ||
model.Content.Length < QUESTION_MIN_LENGTH ||
model.Content.Length > QUESIION_MAX_LENGTH)
{
fail = true;
message = string.Format(
"Content of question must be between {0} to {1} in length",
QUESTION_MIN_LENGTH, QUESIION_MAX_LENGTH);
}
else if(!model.Choices.All(
x => x.Content != null &&
model.Content.Length >= CHOICE_MIN_LENGTH &&
model.Content.Length <= CHOICE_MAX_LENGTH))
{
fail = true;
message = string.Format(
"Content of choice must be between {0} to {1} in length",
CHOICE_MIN_LENGTH, CHOICE_MAX_LENGTH);
}
else if(model.Choices.Count(x => x.IsCorrect) == 0)
{
fail = true;
message = "Question must have at least 1 correct choice";
}
else if(model.Choices.Count(x => !x.IsCorrect) == 0)
{
fail = true;
message = "Question must have at least 1 incorrect choice";
}
else
{
message = "Success";
}
return !fail;
}