.NET Core Microservices - Methods to Load Shopping Cart

The video tutorial explains how to create a function to load a Card DTO based on a logged-in user. It covers retrieving the user ID from claims, obtaining an access token, and using a card service to get the shopping cart. The tutorial then details deserializing the response to a Card DTO, calculating the order total, and returning the DTO. Finally, it discusses setting up a CART index view and preparing the model for UI development.

What is the significance of deserializing the object to a card DTO after retrieving the response?

Describe the process of calculating the order total in the card DTO.