public async Task <IActionResult> AddTag(TagViewModel tagViewModel, int questionId)
{
if (ModelState.IsValid)
{
try
{
var question = await _repository.GetQuestionByIdWithoutDetailsAsync(questionId);
if (question == null)
{
Response.StatusCode = 404;
ViewData["ErrorMessage"] = "404 Resource not found.";
return(View("Error"));
}
var tag = await _repository.GetTagByIdAsync(tagViewModel.Id);
if (tag == null)
{
Tag newTag = _mapper.Map <TagViewModel, Tag>(tagViewModel);
tag = await _repository.AddTagAsync(newTag);
}
await AttachQuestionTag(tag.Id, questionId);
return(RedirectToAction("Details", "Questions", new { questionId = questionId }));
}
catch (DbUpdateException dbex)
{
ViewData["ErrorMessage"] = "DB issue - " + dbex.Message;
return(View("Error"));
}
catch (Exception ex)
{
ViewData["ErrorMessage"] = ex.Message;
return(View("Error"));
}
}
ViewData["questionId"] = questionId.ToString();
return(View("AddTag", tagViewModel));
}
