public PortfolioController(IPortfolioItemService portfolioItemService, UserManager <ApplicationUser> userManager)
        {
            // whenever the porftolio controller is created (view rendered)
            // it assigns the service
            _portfolioItemService = portfolioItemService;

            // asign user manager
            _userManager = userManager;
        }
 public PortfolioController(IPortfolioService portfolioService, IPortfolioItemService portfolioItemService)
 {
     _portfolioService     = portfolioService;
     _portfolioItemService = portfolioItemService;
 }