Nutri-scan

QR-based app that scans food QR codes to provide instant calorie and nutritional information, helping users track their dietary intake and make informed food choices.

Key Features

1. QR Code Scanning

   • Scan QR codes to fetch dish details, including constituent items and their quantities.

2. Dynamic Calorie Calculation

   • Retrieve calorie data for each item from the database.
   • Automatically update calorie totals as users modify item quantities.

3. Inventory Management APIs

   • Add, update, delete dishes and constituent items using CRUD APIs.

4. Interactive Frontend

   • View dish details and calorie breakdown.
   • Real-time updates to calorie totals based on user input.

5. Technologies Used

   • Frontend: React.js with react-qr-reader for QR code scanning.
   • Backend: Node.js with Express.js.
   • Database: MongoDB for managing dish and item data.

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Application Flow

1. Scan a QR Code
   The user scans a QR code containing dish details (e.g., dishName and items array).

2. Fetch Calorie Data
   The backend retrieves calorie values for each item from the MongoDB database.

3. Display Calorie Breakdown
   The frontend shows the calorie count for each item and the total calories for the dish.

4. User Interaction
   Users can increment/decrement item quantities, and the calorie totals update dynamically.

5. Manage Inventory
   Administrators can use the provided APIs to manage dish and item data.

Setup instruction

Use the code below to install dependencies

npm install