AWS Serverless Microservices with Patterns and Best Practices - Breakdown Methods to Checkout Basket Function with Event

The video tutorial covers the development of a checkout basket method using AWS SDK and Eventbrite client. It explains the process of parsing event payloads from API Gateway, validating essential parameters like username, and defining methods for each step in the checkout process. The tutorial also discusses publishing events to Amazon EventBridge and cleaning up existing basket data. Key steps include parsing JSON payloads, validating data, and using AWS services for event handling.

What is the primary purpose of using the Eventbrite client in the checkout basket operations?

• To store user data

• To manage user authentication

• To interact with the event page

• To handle payment processing

Where does the event object originate from in the checkout basket method?

• Amazon DynamoDB

• Amazon API Gateway

• Amazon S3

• AWS Lambda

What is the expected format of the payload in the HTTP POST request for the checkout basket?

• YAML

• CSV

• XML

• JSON

Why is it important to validate the presence of the username attribute in the checkout request?

• It is the partition key in the order table

• It is required for payment processing

• It is used to send notifications

• It is used for logging purposes

What is the first step in the checkout process after defining the methods?

• Prepare order payload

• Get existing basket with items

• Delete existing basket

• Publish event to EventBridge

Which method is responsible for creating the event JSON object with basket items?

• publishCheckoutBasketEvent

• getBasket

• deleteBasket

• prepareOrderPayload

What is the main operation when publishing an event to Amazon EventBridge?

• Updating the user profile

• Using the put event command

• Creating a new Lambda function

• Sending a notification email

Which AWS SDK library is used to interact with Amazon EventBridge?

• AWS Lambda SDK

• AWS EventBridge SDK

• AWS SDK for JavaScript

• AWS S3 SDK

What happens to the existing basket after the checkout event is published?

• It is updated

• It is archived

• It is deleted

• It is duplicated

Which method is already implemented for removing the existing basket?

• deleteBasket

• prepareOrderPayload

• getBasket

• publishCheckoutBasketEvent