public async Task <bool> Update(UpdateTravelPlanDto model)
        {
            var travelPlan = await _context.TravelPlans.SingleOrDefaultAsync(x => x.Id == model.Id && !x.IsDeleted);

            if (travelPlan == null)
            {
                return(false);
            }

            _mapper.Map(model, travelPlan);
            return(await _context.SaveChangesAsync() > 0);
        }
        public async Task <IActionResult> Update(UpdateTravelPlanDto model)
        {
            if (ModelState.IsValid)
            {
                var result = await _travelPlanService.Update(model);

                if (result)
                {
                    return(Ok());
                }
                else
                {
                    return(NotFound());
                }
            }
            else
            {
                return(BadRequest(ModelState));
            }
        }