public async Task <IActionResult> Post([FromForm] CreateTopicViewModel topicViewModel)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
var topicDto = _mapper.Map <CreateTopicViewModel, TopicDto>(topicViewModel);
byte[] fileBytes;
using (var stream = new MemoryStream())
{
await topicViewModel.Image.CopyToAsync(stream);
fileBytes = stream.ToArray();
}
await _topicService.CreateTopicWithImage(topicDto, topicViewModel.Image.FileName, _hostingEnvironment.WebRootPath, fileBytes);
return(Ok());
}