public IActionResult PartiallyUpdateRssFeed(int id, [FromBody] JsonPatchDocument <RssFeedDomainObj> patchDoc)
        {
            if (patchDoc == null)
            {
                return(BadRequest());
            }

            if (!_rssFeedService.FeedExists(id))
            {
                return(NotFound());
            }
            var feedToPatch = Mapper.Map <RssFeedDto>(patchDoc);

            _rssFeedService.PartiallyUpdateRssFeed(id, feedToPatch);
            return(NoContent());
        }