🛒 CartDB — Your sassy grocery companion

CartDB is a Snap Spectacles lens that turns grocery shopping into a fun, health-aware, and sassy experience.
Scan items, hear Cardi-B-style reactions, view nutrition info, personalized feeback, and shop together — powered by Supabase, Docker, and Lens Studio.

🚨 Problem

The U.S. faces a major public health crisis — over 40% of adults are obese, leading to heart disease, diabetes, and billions in healthcare costs.
Healthy choices are often confusing, boring, and lack instant feedback.

💡 Solution

Healthy choices start in the aisle CartDB makes nutrition fun and social.
As you shop with Snap Spectacles, CartDB scans your groceries, displays nutrition insights, and gives you Cardi-B-inspired voice commentary to keep you entertained (and accountable).

🧭 Features

• Smart Scan: Detects grocery items and retrieves their nutrition data (Nutri-score, calories, price).
  
• Supabase Backend:
  
  • User preferences (vegan/vegetarian/etc.)
    
  • Food item personalized metadata and pairings
    
• Cardi-B-Style Voice Feedback: Fun voice quotes reacting to what you scan.
  
• Shop Together: Sync with your family to keep a shared shopping list and cart.
• Healthy Shopping Leaderboard: Compete with others by building the healthiest cart.
  
• Edge Functions: Analyze nutrition data and update scores instantly in the cloud.

⚙️ Technical Architecture

Camera (Spectacles) → Docker Container 1 → Scandit API (Barcode Detection) → Lens Studio (Lens Visualization + Voice Logic) → Supabase (Database + Edge Functions)

• Database & Storage: Supabase Tables store user preferences, food data, and scan logs.
  
• Edge Functions: Process barcodes from images.
• Realtime Subscriptions: Will be used for the global leaderboard and collaborative sessions.
  

Future Work

• 3D Models of Foods: Animated AR items for a richer shopping experience
• Payment Integration: Connect to payment gateways or loyalty APIs
• Shareable Shopping Lists: Sync and send lists to friends
• Dietician Avatar: Personalized nutrition coaching
• Deals & Coupons: Suggest healthier alternatives on discount
• Leaderboard: See who has the healthiest cart

👥 Team

• Project Lead - Nick Ross
• Developers - Nigel Hartman, Nick Ross, Guillaume Dagens, Uttam Grandhi
• Designers - Guillaume Dagens, Uttam Grandhi

🏁 Acknowledgments

• Snap - for brining together the best minds from all over the world!
• Supabase — for the realtime backend
• Scandit — for barcode recognition
• Fineshare AI - for audio generation
• Snap Lens Studio — for AR development
• Cardi B — for the inspiration and sass 💅

Built With

• docker
• javascript
• lens-studio
• node.js
• scandit
• supabase