SwiftUI and Node.js Full Stack - Build Twitter - iOS 16 - Like and Unlike Tweet Server-Side

This video tutorial covers the implementation of a like functionality for tweets, similar to the follow feature. It explains the backend process of adding and removing user IDs from a tweet's likes array, setting up server connections, and handling HTTP requests. The tutorial also demonstrates integrating these functions into the tweet cell view model and testing the functionality. The next video will focus on updating the UI based on server state changes.

What happens if a user tries to like a tweet that they have already liked?

Explain how the completion handler is used in the like functionality.

How does the application confirm that a tweet has been liked or unliked?

What is the expected outcome when a tweet is unliked?