public static UseCasesShared.DTOs.Ink Convert(Ink ink)
        {
            UseCasesShared.DTOs.Ink useCaseInk = new UseCasesShared.DTOs.Ink()
            {
                Id           = ink.Id.ToString(),
                Manufacturer = ink.Manufacturer,
                Colour       = ink.Colour
            };

            return(useCaseInk);
        }
        public static Ink Convert(UseCasesShared.DTOs.Ink useCaseInk)
        {
            int inkId;

            int.TryParse(useCaseInk.Id, out inkId);

            Ink ink = new Ink()
            {
                Id           = inkId,
                Manufacturer = useCaseInk.Manufacturer,
                Colour       = useCaseInk.Colour
            };

            return(ink);
        }