public ActionResult <RentaHelp> GetCompany(string id)
        {
            RentaHelp    rentCompany = new RentaHelp();
            RentaCompany company     = _context.RentaCompanies.Where(x => x.Id == id).FirstOrDefault();

            rentCompany.ListaAuta = _context.CarsModels.Where(x => x.IDKompanije == company.Id).ToList();
            rentCompany.Name      = company.Name;
            rentCompany.ocena     = company.ocena;
            rentCompany.Promo     = company.Promo;
            rentCompany.Filijale  = company.Filijale;
            rentCompany.Adresa    = company.Adresa;
            return(rentCompany);
        }
        public ActionResult DeleteCarCompany(RentaHelp rentCompany)
        {
            var company = _context.RentaCompanies.FirstOrDefault(x => x.Name == rentCompany.Name);

            var cars = _context.CarsModels.Where(x => x.IDKompanije == company.Id).ToList();

            _context.CarsModels.RemoveRange(cars);

            _context.RentaCompanies.Remove(company);

            _context.SaveChanges();

            return(Ok());
        }