MVC :: Steps For A Controller That Process A Creditcard?

Jan 14, 2011

I was wondering, in MVC normally we can include validation in the model. Plus, we can add our own custom error in the control using the ModelState.AddModelError.However, it is okay to call ModelState.AddModelError after we called ModelState.IsValid ?

In others words, if i wanna :

1- Check if cart is not empty.

2- Check if the shipping details are valid.

3- Doing the transaction by creditcard.

4- Check if its a success.

5- If its a success Submit the order.

Is this controller code okay, does it fellow conventions ?Is there a better way to do thoses steps ?

---
public ActionResult CheckOut(Cart cart, ShippingDetails shippingDetails,
CreditCard creditCard)[code]....

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