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AI Features

Add Authorization to a Route Handler

Explore how to apply the decorator pattern to add admin authorization to route handlers without modifying their core logic. This lesson guides you in creating a reusable authorization wrapper that centralizes access control, ensuring clean and maintainable backend code.

Problem statement

You’re working on a mock Express-like route handler that should only allow admin users to access certain endpoints. Currently, every handler performs the same manual check, cluttering your business logic. You’d want to refactor this so the role validation happens outside ...