public Trailer CreateTrailer(string model, int maximumWeightKg, int capacity, int numberAxles, decimal height, decimal width, decimal length)
        {
            var trailer = Trailer.Create(model, maximumWeightKg, capacity, numberAxles, height, width, length);

            trailersRepository?.Add(trailer);
            persistenceContext?.SaveChanges();
            return(trailer);
        }