Section 5: Checkout (12%)

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5.1 Demonstrate understanding of checkout architecture

Describe key classes in checkout JavaScript: Actions, models, and views

What are actions, models, and views used for in checkout?

How does Magento store checkout data?

What type of classes are used for loading/posting data to the server?

How does a view file update current information?

Demonstrate the ability to use the checkout steps for debugging and customization

How do you add a new checkout step?

How do you modify the order of steps?

Debug the data flow of each step.

How do you customize a step's logic?

Customize the shipping step rendering and saving

How does Magento save information about the shipping address for different types of checkout (logged in with default address, without default address, not logged in)?

How does Magento obtain the list of available shipping methods?

Which events can trigger this process?

How does Magento save a selected address and shipping method?

5.2 Demonstrate understanding of payments

Describe the architecture of JavaScript payment modules

Add new payment method and payment methods renderers.

Modify an existing payment method.

Demonstrate the ability to use the payment data flow for debugging and customizations

How does a payment method send its data to the server?

What is the correct approach to deal with sensitive data?

Demonstrate the ability to customize and debug the order placement process in JavaScript

Describe the data flow during order placement

Which modules are involved?

How can the payment step be separated from the order placement?