public async Task <IActionResult> Post(Models.NewsAttachment model)
        {
            if (model == null)
            {
                return(BadRequest());
            }

            var createdEntity = await _entityService.Create(model);

            return(Created(createdEntity));
        }
        public async Task <IActionResult> Put([FromODataUri] int key, Models.NewsAttachment model)
        {
            if (model == null)
            {
                return(BadRequest());
            }
            if (key <= 0)
            {
                return(BadRequest());
            }

            var updatedEntity = await _entityService.Update(model);

            return(Updated(updatedEntity));
        }