public async Task <ActionResult <ApiResultViewModel <QuestionViewModel> > > CreateAsync(
[FromBody] QuestionInputModel inputModel, CancellationToken cancellationToken)
{
var item = new Question
{
Body = inputModel.Body,
Answer1 = inputModel.Answer1,
Answer2 = inputModel.Answer2,
Answer3 = inputModel.Answer3,
Answer4 = inputModel.Answer4,
CorrectAnswerNumber = inputModel.CorrectAnswerNumber,
Difficulty = inputModel.Difficulty,
};
if (inputModel.CategoryIds != null && inputModel.CategoryIds.Any())
{
item.CategoryIdsCache = string.Join(",", inputModel.CategoryIds);
}
using (var transaction = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
item = await _questionManager.SaveAsync(item, cancellationToken);
if (inputModel.CategoryIds != null)
{
await _questionManager.UpdateQuestionCategories(item,
inputModel.CategoryIds.Select(cid => cid.ToLong()), cancellationToken);
}
transaction.Complete();
}
return(OkData(QuestionViewModel.Map(item)));
}
public async Task <ActionResult <ApiResultViewModel <QuestionViewModel> > > UpdateAsync([FromRoute] string id,
[FromBody] QuestionInputModel inputModel, CancellationToken cancellationToken)
{
var item = await _questionManager.GetByIdAsyncThrowNotFoundIfNotExists(id, cancellationToken);
item.Body = inputModel.Body;
item.Answer1 = inputModel.Answer1;
item.Answer2 = inputModel.Answer2;
item.Answer3 = inputModel.Answer3;
item.Answer4 = inputModel.Answer4;
item.CorrectAnswerNumber = inputModel.CorrectAnswerNumber;
item.Difficulty = inputModel.Difficulty;
item.CategoryIdsCache = string.Join(",", inputModel.CategoryIds);
using (var transaction = new TransactionScope(TransactionScopeAsyncFlowOption.Enabled))
{
item = await _questionManager.SaveAsync(item, cancellationToken);
await _questionManager.UpdateQuestionCategories(item,
inputModel.CategoryIds?.Select(cid => cid.ToLong()), cancellationToken);
transaction.Complete();
}
item = await _questionManager.SaveAsync(item, cancellationToken);
return(OkData(QuestionViewModel.Map(item)));
}