public async Task<IHttpActionResult> PutGame(Guid id, Game game)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != game.Id)
            {
                return BadRequest();
            }

            db.Entry(game).State = EntityState.Modified;

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

            return StatusCode(HttpStatusCode.NoContent);
        }
        public async Task<IHttpActionResult> PostGame(Game game)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            db.Games.Add(game);

            try
            {
                await db.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (GameExists(game.Id))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtRoute("DefaultApi", new { id = game.Id }, game);
        }