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Add comprehensive user authentication and database integration - #3

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crackerky merged 1 commit into
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feature/enhanced-authentication-and-database
Jul 2, 2025
Merged

Add comprehensive user authentication and database integration#3
crackerky merged 1 commit into
mainfrom
feature/enhanced-authentication-and-database

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Summary

This PR adds comprehensive user authentication and PostgreSQL database integration to the receipt scanner application, transforming it from a stateless service to a full-featured multi-user application.

Key Features Added

  • 🔐 JWT-based Authentication: Secure user registration and login system
  • 🗄️ PostgreSQL Integration: Full database support with SQLAlchemy ORM
  • 👤 User Management: Each user has their own receipts and data isolation
  • 🔒 Enhanced Security: Password hashing, token validation, secure middleware
  • 🧪 Testing Framework: Comprehensive tests for auth and database functionality

Technical Improvements

Backend Enhancements

  • Authentication System: Complete JWT-based auth with password hashing
  • Database Models: User and Receipt models with proper relationships
  • API Security: All receipt endpoints now require authentication
  • Database Initialization: Automated setup scripts and migrations
  • Enhanced Configuration: Database and authentication settings

Frontend Enhancements

  • Authentication UI: Login/registration forms and user state management
  • Secure API Calls: JWT token handling in all API requests
  • User-specific Data: Each user sees only their own receipts
  • Enhanced Error Handling: Better auth error messages and flows

New Files

  • app/auth.py - JWT authentication utilities
  • app/auth_routes.py - User registration/login endpoints
  • app/database.py - Database configuration and session management
  • app/db_models.py - SQLAlchemy ORM models
  • init_db.py - Database initialization script
  • test_auth.py & test_db.py - Authentication and database tests
  • CHANGELOG.md - Project documentation

Migration Guide

For existing deployments, you'll need to:

  1. Set up PostgreSQL database
  2. Configure DATABASE_URL environment variable
  3. Run database initialization: python init_db.py
  4. Update frontend environment variables

Test Plan

  • User registration and login functionality
  • JWT token generation and validation
  • Database models and relationships
  • Receipt CRUD operations with user isolation
  • Authentication middleware on protected endpoints
  • Frontend authentication state management

🤖 Generated with Claude Code

## Summary
- Add PostgreSQL database integration with SQLAlchemy ORM
- Implement JWT-based user authentication system
- Add user registration and login functionality
- Enhance receipt storage with user association
- Add database migrations and testing utilities

## New Features
- **User Authentication**: JWT-based auth with registration/login endpoints
- **Database Integration**: PostgreSQL with SQLAlchemy ORM models
- **User-specific Receipts**: Each user can only access their own receipts
- **Enhanced Security**: Password hashing, token validation, user sessions
- **Database Testing**: Test utilities for auth and database functionality

## Technical Improvements
- Add comprehensive database models for users and receipts
- Implement secure authentication middleware
- Add database initialization scripts
- Update API endpoints to require authentication
- Enhanced frontend with authentication state management

## Files Added
- `app/auth.py` - Authentication utilities and JWT handling
- `app/auth_routes.py` - User registration and login endpoints
- `app/database.py` - Database configuration and session management
- `app/db_models.py` - SQLAlchemy ORM models
- `init_db.py` - Database initialization script
- `test_auth.py` & `test_db.py` - Authentication and database tests
- `CHANGELOG.md` - Project changelog documentation

## Files Modified
- Enhanced `main.py` with authentication middleware
- Updated `config.py` with database and auth settings
- Enhanced frontend with user authentication UI
- Updated dependencies in pyproject.toml and requirements.txt

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
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@crackerky
crackerky merged commit b68885f into main Jul 2, 2025
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