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

This video tutorial explains how to add a like functionality to tweets. It covers creating an endpoint, implementing the logic to add user IDs to a tweet's likes array, and testing the feature using Postman. The tutorial also discusses handling errors and ensuring users can only like a tweet once.

What should happen if a user tries to like a tweet they have already liked?

Explain how the error handling is implemented when a user attempts to like a tweet they have already liked.

What steps are taken to authenticate a user before allowing them to like a tweet?