- Add full implementation for booking handlers with complete CRUD operations
- Implement GetAvailableSlots endpoint to retrieve available booking time slots
- Add CreateBooking handler with robust error handling and validation
- Implement GetUserBookings endpoint to fetch user's booking history
- Add CancelBooking handler with specific error scenarios and authorization checks
- Integrate booking service and middleware for authentication and request processing
- Add support for date parsing and slot availability checking
- Enhance error responses with detailed error messages and appropriate HTTP status codes
- Integrate with existing authentication and middleware components
- Add JWT authentication middleware with token validation
- Implement user context extraction methods for user ID, email, and admin status
- Create admin middleware to restrict access to admin-only routes
- Add convenience method to combine authentication and admin authorization
- Update auth middleware to handle token parsing, validation, and context setting
- Enhance error handling for various authentication scenarios
- Add new JWT service and related dependencies in go.mod
