DevTinder Features List and Breakdown

DevTinder Features List and Breakdown

DevTinder has the features of a real dating app backend. Here is the breakdown by module.

Module 1: Authentication

• Signup: email and password, with hashing and validation.
• Login: verify password, issue JWT in httpOnly cookie.
• Logout: clear cookie.
• Get Profile: return current user from JWT.
• Edit Profile: update fields like age, gender, photo URL, about.

Module 2: Profile

• Photo URL: store one photo URL (later multiple).
• About: short bio field.
• Skills/Interests: tags users can add to their profile.

Module 3: Feed and Browse

• Get Feed: returns paginated list of users to browse.
• Filters: by age, gender, location (later).

Module 4: Swipe and Match

• Send Swipe: POST /swipe with status 'ignored' or 'interested'.
• Check Match: if both swiped interested, a connection (match) is created.
• Get Matches: list of mutual matches.
• Get Requests: list of incoming pending requests.

Module 5: Connections

• List Connections: all matched users.
• Remove Connection: unmatch.

Module 6: Real-Time Chat

• Open Chat: connect to Socket.IO room identified by connection ID.
• Send Message: save to DB and emit to room.
• Receive Message: other user gets it in real time.

Module 7: Payments

• Upgrade to Premium: create Razorpay order, capture payment, save to DB.
• Webhook: receive Razorpay event, verify signature, update subscription status.

Module 8: Notifications (Later)

• Email Notifications: welcome email, match email, message email.
• In-App Notifications: matches, messages.

Module 9: Admin (Later)

• Admin Dashboard: user counts, payments, reports.

How to Use This Breakdown

Use this list to drive your LLD. For each module, write the schemas, API contracts, and logic. The modules are decoupled enough to extract into services later if needed.

The Takeaway

DevTinder features break into nine modules: auth, profile, feed, swipe/match, connections, chat, payments, notifications, and admin. Each module has clear APIs. Use this breakdown to drive your LLD.