public ItemController(IInventoryService inventoryService, IItemSupplierService itemSupplierService, IItemCategoryService itemCategoryService, IItemService itemService, ISupplierService supplierService)
 {
     this.itemSupplierService = itemSupplierService;
     this.itemCategoryService = itemCategoryService;
     this.itemService         = itemService;
     this.supplierService     = supplierService;
     this.inventoryService    = inventoryService;
 }
 public PurchaseOrderController(IInventoryService inventoryService, IItemSupplierService itemSupplierService, IItemService itemService, IPurchaseOrderService purchaseOrderService, IItemPurchaseOrderService itemPurchaseOrderService, ISupplierService supplierService, IMLService mlService)
 {
     this.purchaseOrderService     = purchaseOrderService;
     this.itemPurchaseOrderService = itemPurchaseOrderService;
     this.supplierService          = supplierService;
     this.itemService         = itemService;
     this.itemSupplierService = itemSupplierService;
     this.inventoryService    = inventoryService;
     this.mlService           = mlService;
 }