Посоветуйте как улучшить код

 
 
@Autowired
    private ClothFabricRepository clothFabricRepository;
    @Autowired
    private CurtainRepository curtainRepository;
    @Autowired
    private OrderCurtainRepository orderCurtainRepository;
    @Autowired
    private TulleRepository tulleRepository;
    @Autowired
    private UpholsteryFabricRepository upholsteryFabricRepository;
 
    @Transactional
    public void changeInfoInDB(final String idFabric, final String photo,
                               final String name, final Double quantityFromUI) {
       final String clothFabric = "clothFabric";
        final String curtainFabric = "curtain";
        final String orderFabric = "orderCurtain";
        final String tulleFabric = "tulle";
        final String upholsteryFabric = "upholsteryFabric";
 
        String[] split = photo.split("/");
//        System.out.println("SPLIT[0]  "+split[0]+"  SPLIT[1]"+ split[1]);
 
       if(split[1].contains(clothFabric)) {
 
           List<ClothFabricModel> clothFabricModels = clothFabricRepository.findById(id);
            ClothFabricModel model = clothFabricModels.get(0);
           Double quantityInDB = model.getQuantity();
           if (quantityInDB == 0) {
               System.out.println("In DB ZERO");
           } else {
 
               Double result = quantityInDB - quantityFromUI;
               model.setQuantity(result);
               clothFabricRepository.save(model);
           }
       } else if (split[1].contains(curtainFabric)){
 
           List<CurtainModel> listModel = curtainRepository.findById(id);
           CurtainModel model = listModel.get(0);
           Double quantityInDB = model.getQuantity();
           if (quantityInDB == 0) {
               System.out.println("In DB ZERO");
           } else {
 
               Double result = quantityInDB - quantityFromUI;
               model.setQuantity(result);
               curtainRepository.save(model);
           }
 
       } else if (split[1].contains(orderFabric)){
           List<OrderCurtainModel> listModel = orderCurtainRepository.findById(id);
           OrderCurtainModel model = listModel.get(0);
           Double quantityInDB = model.getQuantity();
           if (quantityInDB == 0) {
               System.out.println("In DB ZERO");
           } else {
 
               Double result = quantityInDB - quantityFromUI;
               model.setQuantity(result);
               orderCurtainRepository.save(model);
           }
       }

Entity
@Table(name = "CLOTH", schema = "public")
public class ClothModel extends AllFabricModel{
 
    @Column(name = "PHOTO")
    private String photo;
    @Column(name = "PHOTO01")
    private String photo01;
    @Column(name = "PHOTO02")
    private String photo02;
    @Column(name = "PHOTO03")
    private String photo03;
    @Column(name = "PHOTO04")
    private String photo04;
    @Column(name = "PHOTO05")
    private String photo05;
    @Id
    @Column(name = "ID")
    @GeneratedValue(strategy=GenerationType.IDENTITY)
    private Long id;
    @Column
    private String name;
    @Column(name = "DESCRIPTION")
    private String description;
    @Column(name = "STRUCTURE") //organza, curtain ....
    private String structure;
    @Column(name = "PAINT") //abstraction, geometric  ....
    private String paint;
    @Column(name = "HEIGHT")
    private String height;
    @Column(name = "COLOR")
    private String color;
    @Column(name = "QUANTITY")
    private Double quantity;
    @Column(name = "PRICE")
    private BigDecimal price;