public async Task RemoveBusline(int id)
        {
            var busline = new Busline()
            {
                Id = id
            };

            _context.Buslines.Remove(busline);
            await _context.SaveChangesAsync();
        }
        public async Task UpdateBusline(UpdateBuslineRequest request, int id)
        {
            var busline = new Busline()
            {
                Id     = id,
                Number = request.Number
            };

            _context.Buslines.Update(busline);
            await _context.SaveChangesAsync();
        }
        public async Task <Busline> AddBusline(CreateBuslineRequest request)
        {
            var busline = new Busline()
            {
                Number = request.Number
            };
            await _context.Buslines.AddAsync(busline);

            await _context.SaveChangesAsync();

            return(busline);
        }