public FidelityTransactionHistoryService(IStockAndPurchaseService stockPurchaseService,
                                          IStockPurchaseService purchaseService,
                                          IStockHoldingService stockHoldingService)
 {
     _stockPurchaseService = stockPurchaseService;
     _purchaseService      = purchaseService;
     _stockHoldingService  = stockHoldingService;
 }
 public StockPurchaseController(IStockAndPurchaseService stockAndPurchaseService,
                                IStockHoldingService stockHoldingService)
 {
     _stockAndPurchaseService = stockAndPurchaseService;
     _stockHoldingService     = stockHoldingService;
 }