SwiftUI and Node.js Full Stack - Build Twitter - iOS 16 - Fetch User Function

The video tutorial covers the implementation of authentication methods in an app. It begins with identifying issues in the current authentication process and setting objectives. The tutorial then guides through setting up the authentication ViewModel, creating a fetch user function in the authentication services, and handling data and errors. Finally, it integrates the fetch user function into the ViewModel and finalizes the authentication logic, including view adjustments.

What is the main problem discussed regarding user authentication?

How does the application check if a user is already authenticated?

What is the purpose of saving the user's token in user defaults?

Describe the process of creating an initializer in the ViewModel.

What steps are taken to fetch a user after authentication?

Explain how the application handles errors during user fetching.

What is the significance of using a try-catch block in the user fetching process?

How does the application ensure that the user data is updated after fetching?

What is the role of the dispatch queue in updating the current user?

What adjustments need to be made to the views based on user authentication?