Section 7: Customizing the Checkout Process (17%)

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Section 7: Customizing the Checkout Process (17%)

7.1 Understand the Magento quote architecture and customizing quote-related functionality

Quote-related objects, total models and price calculation process, the add to cart process, custom add to cart operations, customizations of the price calculation, taxes and discount, various display settings

The quote merge functionality

Programmatically add a "free gift" when a certain condition is met

Programmatically set a price for a product

Taxes with discounts calculation

The impact of many shopping cart price rules on performance

Programmatically create shopping cart price rules

Importing coupon codes

Extend the shopping cart price rules with custom entities

Programmatically separate line items in the shopping cart so there are two line items instead of one with qty=2

Adding a new total model and evaluating its impact on taxes and discounts

Shipping discounts behavior and customizations

WebAPI for quote operations. Create a quote, add an item, create a coupon, add a discount

7.2 Demonstrate an ability to customize and extend the checkout process

Checkout steps, the REST API, customizations of the checkout API, the order placement process. The impact of many concurrent order placements

Adding a step to the checkout after the payment step, or between the payment and shipping steps

Implementing a ""one-click"" checkout, evaluate possible pitfalls such as discounts being applied or canceled when the order is placed

The checkout REST API: Modifying the native flow (separate calls to save payment and to place the order)

Extending the checkout REST API. Adding new parameters to different API endpoints. Using extension attributes

Issues related to simultaneous order placement, inventory locking

Determining the exact moment when the stock is decremented during an order placement

Customizing the order placement such that it uses message queues

Horizontal sharding of orders tables to improve order placement capacity. What challenges need to be resolved?

7.3 Create and debug shipping and payment methods in Magento

Different types of payment methods: gateway, offline, hosted. The gateway payment methods framework. The payment method availability logic. The shipping rates calculation process, debugging shipping rates and table rates customizations

The gateway framework vs. AbstractMethod

The structure of offline payment methods. What makes them "offline"?

Partial invoices/refunds for payment methods

Add a hosted-type payment method (redirects, custom order review page)

Add a new shipping method. Customize the logic for getting a list of available shipping methods

The shipping rate calculation flow. Debug shipping rates, identify plugins that that influence the shipping rate calculation process

Customizing table rates. Add a new "column" to the "table", change the logic of selecting the rate.

Gateway shipping methods. Remote call flow. How to avoid the remote call if it is unnecessary