public bool UpdateAdventure(AdventureEdit model)
        {
            using (var ctx = new ApplicationDbContext())
            {
                var entity = ctx
                             .Adventures
                             .Single(e => e.AdventureId == model.AdventureId && e.OwnerId == _userId);

                entity.AdventureId = model.AdventureId;
                entity.Title       = model.Title;
                entity.Description = model.Description;

                return(ctx.SaveChanges() == 1);
            }
        }
        public IHttpActionResult Put(AdventureEdit adventure)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            var service = CreateAdventureService();

            if (!service.UpdateAdventure(adventure))
            {
                return(InternalServerError());
            }

            return(Ok());
        }