.NET Core Microservices - Check for Coupon Changes

The video tutorial explains the process of validating a coupon code in a checkout system. It covers checking if the coupon is valid, setting up dependency injection for the coupon repository, processing the coupon code, and handling the response based on the validation results. The tutorial concludes with a brief mention of testing the logic in the next video.

What is the first step in validating a coupon code?

• Check if the card DTO is null

• Ensure the coupon code is not empty

• Verify the discount amount

• Add the coupon to the repository

Why is the coupon repository added to the dependency injection?

• To delete expired coupons

• To generate new coupons

• To validate coupon codes

• To store coupon codes

What should be done if the coupon discount amount has changed?

• Proceed with the checkout

• Apply a new discount

• Ignore the change

• Set the response success to false

What message is displayed if the coupon has changed?

• Discount applied successfully

• Coupon is valid

• Coupon expired

• Coupon has changed, please confirm

What is the purpose of setting a custom error message?

• To log the transaction details

• To apply a new coupon

• To alert the user of a coupon change

• To inform the user of a successful transaction