Orders and Order Items

I have 2 models, Orders and Order Items.

I want the user to be able to add any number of items to an order in the view. How can I structure a form so that I can iterate over the order items or is there a better way I could go about this?

Basically you're wanting to build a nested form, where you have one main item (the Order) and many nested items underneath it (the OrderItems). Cocoon is a cool little library that lets you dynamically add those nested items to the form. It might do what you're looking for: https://github.com/nathanvda/cocoon

Exactly what I was looking for! Thank you so much Chris!