public IActionResult Create(int collectionId, [FromBody, Bind("Name, Description, Url")] FeedModel feed)
        {
            try
            {
                var currentUserId = int.Parse(User.Identity.Name);

                var feedDto = _mapper.Map <FeedDto>(feed);
                feedDto.CollectionId = collectionId;

                var newFeedDto = _feedService.Create(feedDto, currentUserId);

                return(Ok(_mapper.Map <FeedModel>(newFeedDto)));
            }
            catch (ValidationException ex)
            {
                // return error message if there was an exception
                return(BadRequest(new { message = ex.Message }));
            }
        }