.NET Core Microservices - Demo - Synchronous Communication and Alerts Display

The video tutorial covers the process of validating coupon codes during checkout in a web application. It explains how to handle errors using view bags and temp data, and demonstrates debugging techniques for issues in the shopping cart. The tutorial also delves into the logic within controllers and repositories for updating cart details, and tests the integration of a coupon API to ensure correct discount application. The video concludes with a demonstration of the checkout process, highlighting the importance of synchronizing data between services.

What does the CART service return if a coupon code is invalid?

• An error code

• A success message

• A response with a value of true

• A response with a value of false

How is an error message stored when a coupon code is invalid?

• In a database table

• In a view bag

• In a cookie

• In a session variable

What issue arises when trying to add the same product to the shopping cart?

• A new product entry is created

• The count is not updated

• The product is removed from the cart

• The application crashes

What was missing in the card details during the update operation?

• Product name

• Card details ID and card header ID

• Product price

• User ID

What is used instead of a view bag for alerts in the checkout process?

• Temp data

• Session data

• Local storage

• Cookies

How is a change in coupon discount handled during checkout?

• By applying a default discount

• By updating the order total and discount

• By ignoring the change

• By canceling the order

What message is displayed when a coupon price changes during checkout?

• Coupon expired

• Coupon price has changed. Please confirm.

• Invalid coupon code

• Discount applied successfully