public PurchasesController(IPurchaseRepo repository, IProductService prodServ, IHttpClientFactory factory, IConfiguration config)
 {
     _repository    = repository;
     _productServ   = prodServ;
     _clientFactory = factory;
     _config        = config;
 }
 public SaleController(ISaleRepo saleRepo, IPurchaseRepo purchaseRepo)
 {
     _saleRepo     = saleRepo;
     _purchaseRepo = purchaseRepo;
 }
 public PurchaseController(IPurchaseRepo purchaseRepo)
 {
     _purchaseRepo = purchaseRepo;
 }