public async Task <QuestionResponseModel> CreateQuestionAsync(QuestionRequestModel model, string userId)
{
var question = model.Map(userId);
_dbContext.Add(question);
await _dbContext.SaveChangesAsync();
return(await GetQuestionAsync(question.Id));
}
public async Task <QuestionResponseModel> UpdateQuestionAsync(string questionId, QuestionRequestModel model, string userId)
{
using (var transaction = _dbContext.Database.BeginTransaction())
{
try
{
var entity = _dbContext.Questions.First(u => u.Id == questionId);
entity.Text = model.Text;
entity.SubjectId = model.SubjectId;
entity.ScoreValue = model.ScoreValue.Value;
entity.QuestionType = model.QuestionType;
entity.ShuffleOptions = model.ShuffleOptions.Value;
entity.DifficultyLevelId = model.DifficultyLevelId;
entity.Options = model.Options.Select(u => new Option {
Text = u.Text, IsAnswer = u.IsAnswer.Value
}).ToList();
var question = model.Map(userId, questionId);
var options = _dbContext.Options.Where(u => u.QuestionId == questionId);
_dbContext.RemoveRange(options);
await _dbContext.SaveChangesAsync();
transaction.Commit();
}
catch (Exception ex)
{
transaction.Rollback();
throw new Exception("An error occurred");
}
}
return(await GetQuestionAsync(questionId));
}