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A booking isn't real until you can cancel it. In Day 69, we complete the lifecycle of a flight reservation by building the Cancellation Feature. We are connecting the Next.js frontend to our FastAPI backend to handle this sensitive operation securely. We aren't just deleting rows from a database. We are implementing a proper State Transition Flow where bookings move from CONFIRMED to CANCELLED, ensuring we keep a history of the transaction. 💡 In this live build: Backend Logic: Creating the DELETE /cancel endpoint (Soft Delete pattern). Security Check: Ensuring User A cannot cancel User B's flight (Authorization). Frontend UI: Building a "Confirm Cancellation" modal in Next.js to prevent accidental clicks. UI Optimism: Updating the booking status instantly on the client side without a page reload. Cookie Auth: Using the HTTP-Only cookies we built in Day 68 to authorize the request. By the end, your users will have full control over their bookings with a smooth, professional UI experience. 📘 Watch the full playlist: 👉 https://www.youtube.com/playlist?list=PLdtwawCR2QjmdfhM-7SzDOVGop373bbgW 📂 GitHub Repo (Public Mirror): 👉 https://github.com/KNehe/aero_bound_ventures-public.git 🔥 Subscribe for real Full Stack Engineering. #FastAPI #NextJS #FlightBookingApp #WebDevelopment #StateManagement #FullStack #React
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