public async Task <ActionResult <ExtraFeature> > PostExtraFeature(ExtraFeature extraFeature)
        {
            _context.ExtraFeatures.Add(extraFeature);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetExtraFeature", new { id = extraFeature.Id }, extraFeature));
        }
        public async Task <IActionResult> PutExtraFeature(int id, ExtraFeature extraFeature)
        {
            if (id != extraFeature.Id)
            {
                return(BadRequest());
            }

            _context.Entry(extraFeature).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!ExtraFeatureExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }