public double GetCustomerDiscount(ICustomerIdentifier customer)
{
return(CreateDbContext().Customers.AsNoTracking()
.SingleOrDefault(cust => cust.CustomerId == customer.CustomerId)
?.Discount
?? throw new CustomerNotFoundException(customer));
}
private void SetupCustomerDiscount(ICustomerIdentifier customer, double discount)
{
_repo
.Setup(repo => repo.GetCustomerDiscount(customer))
.Returns(discount);
}
public CustomerNotFoundException(ICustomerIdentifier customer) : base($"Customer {customer.CustomerId} was not found")
{
Customer = customer;
}
