public IActionResult Deposit(TransactionsViewModel model)
        {
            var customerList    = _bankRepo.GetAllCustomers().SelectMany(y => y.BankAccounts);
            var customerAccount = customerList.Where(x => x.AccountId == model.BankAccount.AccountId).SingleOrDefault();

            if (customerAccount == null)
            {
                ViewBag.Message = "The accountnumber is invalid, please enter another number.";
                return(View("DepositAndWithdraw", model));
            }

            if (model.Amount == 0)
            {
                ViewBag.Message = "Please enter an amount higher than 0 SEK.";
                return(View("DepositAndWithdraw", model));
            }

            if (model.Amount > 0)
            {
                _bankRepo.DepositAmount(model.Amount, customerAccount);
                model.BankAccount.Balance = customerAccount.Balance;

                ViewBag.Message = "You have successfully made a deposit!";
                return(View("Verification", model));
            }

            return(View(model));
        }