spurrin-backend/CHANGES.md

Changes Log

[Unreleased]

Added

• Created comprehensive README.md with project documentation
• Implemented structured error handling system
• Added validation middleware using Joi
• Created standardized response handlers
• Implemented async handler utility
• Added custom error classes
• Created hospital validation schemas
• Updated hospital routes with proper middleware
• Added role-based authorization
• Implemented request validation
• Added structured logging
• Created separate authorization middleware with role-based access control
• Created request validation middleware with Joi schema validation
• Added repository layer for database operations
• Implemented database connection pooling
• Added custom error classes for better error handling
• Improved error handling in service layer

Changed

• Reorganized project structure into src directory
• Updated hospital controller to use new utilities
• Improved error handling in hospital routes
• Enhanced security with proper authentication
• Standardized API response format
• Improved code organization and readability
• Separated authentication and authorization middleware
• Enhanced validation middleware with better error handling and logging
• Refactored hospital routes for better middleware usage
• Moved logo upload logic to controller
• Updated hospital controller methods to use asyncHandler and standardized responses
• Standardized authentication and authorization across all hospital routes
• Improved error handling in hospital user and color management
• Refactored changePassword method to use asyncHandler and standardized responses
• Reordered hospital routes to prevent conflicts
• Fixed route parameter conflicts
• Moved database operations to repository layer
• Improved error handling with custom error classes
• Enhanced database connection management with connection pooling

Removed

• Removed unused model file (superAdminModel.js)
• Cleaned up empty directories
• Removed redundant code
• Removed inline route handlers in favor of controller methods
• Removed duplicate hospital list method
• Removed old authentication middleware usage
• Removed redundant token validation in changePassword method
• Removed unused imports from hospital routes
• Removed direct database queries from service layer

Fixed

• Fixed error handling in hospital controller
• Improved validation error messages
• Enhanced security in authentication flow
• Fixed response format consistency
• Fixed asyncHandler import and usage in hospital controller
• Fixed authorize function import and usage in hospital routes
• Fixed validateRequest middleware implementation
• Fixed validateRequest import in hospital routes
• Fixed missing getAllHospitals method in hospital controller
• Fixed error handling in hospital controller methods
• Fixed inconsistent authentication middleware usage
• Fixed missing controller methods and their implementations
• Fixed undefined route handler in changePassword endpoint
• Fixed route conflicts between /users and /:id endpoints
• Fixed missing changePassword route
• Fixed route ordering to prevent parameter conflicts
• Fixed database connection handling
• Fixed error propagation in service layer

[0.1.0] - Initial Setup

Added

• Basic project structure
• Database configuration
• Authentication middleware
• Hospital management endpoints
• File upload functionality
• Email notification system
• User management system
• Password reset functionality
• Interaction logging system

Security

• Implemented JWT authentication
• Added password hashing
• Implemented role-based access control
• Added input validation
• Implemented secure file uploads
• Added email verification system

Performance

• Implemented database connection pooling
• Added request compression
• Optimized database queries
• Implemented caching where appropriate

Documentation

• Added API documentation
• Created setup instructions
• Added security guidelines
• Included contribution guidelines

Hospital Module Improvements

Code Structure and Organization

• Created dedicated HospitalService class for business logic
• Separated concerns between routes, controller, and service layers
• Improved error handling and validation
• Removed duplicate code
• Added proper input validation
• Organized routes with proper middleware
• Added repository layer for database operations
• Implemented database connection pooling
• Added custom error classes

Security Enhancements

• Added rate limiting (100 requests per 15 minutes per IP)
• Improved file upload security
  • Added file type validation (JPEG, PNG, GIF)
  • Set file size limit (5MB)
  • Secure file naming
• Added input validation through schemas
• Enhanced error messages
• Implemented proper authentication middleware
• Added authorization checks

Database Optimization

• Improved query structure
• Added proper error handling for database operations
• Implemented better transaction handling
• Added validation before database operations
• Improved error messages for database operations
• Implemented connection pooling
• Added repository layer for better database abstraction

Additional Improvements

• Better error handling and logging
• Consistent response formats
• Improved code readability
• Better separation of concerns
• Added proper validation for all inputs
• Improved file upload handling
• Added custom error classes
• Improved error propagation

Pending Improvements

• Add query caching for frequently accessed data
• Add request sanitization
• Implement proper CORS configuration
• Add security headers
• Add API documentation
• Add unit tests
• Add integration tests
• Add API tests

File Structure Changes

src/
├── controllers/
│   └── hospitalController.js    # Simplified controller with service usage
├── services/
│   └── hospitalService.js       # Business logic layer
├── repositories/
│   └── hospitalRepository.js    # Database operations layer
├── routes/
│   └── hospitals.js            # Updated with security and validation
├── middlewares/
│   ├── authMiddleware.js       # Authentication middleware
│   ├── authorizeMiddleware.js  # Authorization middleware
│   └── validateRequest.js      # Request validation middleware
├── utils/
│   └── errors.js              # Custom error classes
└── validators/
    └── hospitalValidator.js    # Validation schemas

Security Improvements

1. Rate Limiting

   • Added express-rate-limit
   • 100 requests per 15 minutes per IP
   • Custom error message for rate limit exceeded

2. File Upload Security

   • File type validation
   • File size limits
   • Secure file naming
   • Proper error handling

3. Input Validation

   • Added validation schemas
   • Proper error messages
   • Type checking
   • Required field validation

4. Authentication & Authorization

   • Token-based authentication
   • Role-based authorization
   • Proper error handling for unauthorized access

Performance Improvements

1. Database Operations

   • Optimized queries
   • Better error handling
   • Transaction support
   • Input validation before database operations
   • Connection pooling
   • Repository pattern implementation

2. Code Organization

   • Service layer for business logic
   • Repository layer for database operations
   • Controller for request handling
   • Routes for endpoint definition
   • Middleware for cross-cutting concerns

Next Steps

1. Implement query caching
2. Add comprehensive testing
3. Add API documentation
4. Enhance security measures
5. Add monitoring and logging

flag added to trigger logout to both websockets (secondary and main)