API Endpoints Update Summary

API Endpoints Update Summary

Overview

Successfully updated the Bartendie router to include new API endpoints for event management. The system now supports RESTful operations for events using CQRS/Event Sourcing with Commanded.

New API Endpoints Added

Events API

• GET /api/events - List all events (currently returns empty list, ready for read model implementation)
• POST /api/events - Create a new event using CQRS commands
• GET /api/events/:id - Get event details by ID (placeholder implementation)

Existing Endpoints

• GET /api/health - Health check endpoint
• GET /api/info - API information endpoint

Files Created/Modified

New Files

1. lib/bartendie_web/controllers/event_controller.ex - Event API controller with CQRS integration
2. lib/bartendie_web/controllers/fallback_controller.ex - Error handling for API responses
3. lib/bartendie_web/controllers/changeset_json.ex - JSON rendering for validation errors
4. test/bartendie_web/controllers/event_controller_test.exs - Unit tests for event endpoints
5. test/support/conn_case.ex - Test support for controller tests
6. test/support/data_case.ex - Test support for data layer tests
7. test/test_helper.exs - Test configuration
8. test_api_endpoints.exs - API testing script with curl examples

Modified Files

1. lib/bartendie_web/router.ex - Added events resource routes
2. lib/bartendie/application.ex - Added EventHandler to supervision tree

Technical Implementation

CQRS Integration

• Events are created using Bartendie.Commands.CreateEvent command
• Commands are dispatched through Bartendie.App (Commanded application)
• Event handlers process domain events for side effects
• Uses Commanded.UUID for generating unique identifiers

Error Handling

• Comprehensive error handling with appropriate HTTP status codes
• Validation error support through changeset JSON rendering
• Fallback controller for consistent error responses

Testing

• Unit tests verify endpoint functionality
• Tests run without requiring full application startup
• Includes tests for success and error scenarios

API Usage Examples

Create an Event

curl -X POST http://localhost:4000/api/events \
     -H "Content-Type: application/json" \
     -d '{"event": {"name": "Holiday Party", "date": "2024-12-25", "description": "Annual holiday celebration", "expected_guest_count": 50}}'

List Events

curl http://localhost:4000/api/events

Get Event Details

curl http://localhost:4000/api/events/{event-id}

Next Steps

1. Read Model Implementation - Implement projections to populate event listings
2. Event Updates - Add PUT/PATCH endpoints for updating events
3. Event Deletion - Add DELETE endpoint for removing events
4. Validation - Add comprehensive input validation
5. Authentication - Add authentication and authorization
6. Additional Resources - Add endpoints for venues, menus, recipes, etc.

Development Notes

• The system uses Phoenix 1.7+ with modern routing patterns
• CORS is configured for frontend integration
• LiveDashboard is available in development mode at /dev/dashboard
• Event sourcing ensures full audit trail of all changes
• The domain model supports complex bar management scenarios

Testing

Run tests with:

mix test test/bartendie_web/controllers/event_controller_test.exs

Start the server with:

mix phx.server

The API is now ready for frontend integration and further development.