System Patterns

This file documents the architectural and design patterns used in the project. 2025-03-25 10:41:00 - Updated with registration and authentication patterns

Architectural Patterns

Plugin Architecture

Singleton Pattern
- Used in Plugin.php for main plugin instance
- Ensures single point of control
- Manages plugin lifecycle and hooks
Service Container Pattern
- Components initialized through Plugin class
- Dependency management and service location
- Facilitates testing and modularity
MVC-like Structure
- Templates (View) in includes/Templates/
- Controllers in includes/Core/
- Models represented by WordPress tables and custom tables

Security Patterns

Input Validation
- Client-side validation for immediate feedback
- Server-side validation for security
- Sanitization following WordPress standards
- XSS prevention through escaping
Authentication Flow
- WordPress native authentication
- Extended with custom role validation
- Session management through WordPress
- Remember-me functionality
Access Control
- Role-based access control (RBAC)
- Custom capabilities for fine-grained control
- Capability checking on all actions
- Integration with The Events Calendar permissions

Database Patterns

Table Structure
- Custom tables for trainer-specific data
- WordPress native tables for core functionality
- Proper indexing for performance
- Foreign key relationships where appropriate
Data Access
- WordPress WPDB for database operations
- Prepared statements for security
- Transaction support for data integrity
- Caching considerations

Integration Patterns

WordPress Integration
- Action and filter hooks
- Custom post types and taxonomies
- Settings API usage
- Database schema management
The Events Calendar Integration
- Extension of core functionality
- Custom venue creation
- Event management integration
- Capability integration

Form Handling

Form Structure
- Semantic HTML5 markup
- Progressive enhancement
- Accessible form controls
- Responsive design
Validation Strategy
- Multi-layer validation
- Real-time feedback
- Error message handling
- Field-specific validation rules

Asset Management

Resource Loading
- WordPress enqueue system
- Conditional loading
- Version control for cache busting
- Dependency management
CSS Organization
- BEM naming convention
- Modular structure
- Responsive design patterns
- Theme compatibility

JavaScript Patterns

Module Pattern
- IIFE for encapsulation
- jQuery plugin architecture
- Event delegation
- Form handling modules
Error Handling
- Graceful degradation
- User feedback system
- AJAX error management
- Console logging for development

Testing Patterns

Test Organization
- Unit tests for business logic
- Integration tests for WordPress integration
- E2E tests for user flows
- Test data management
Test Implementation
- Arrange-Act-Assert pattern
- Test isolation
- Mocking and stubbing
- Snapshot testing

Development Workflow

Version Control
- Feature branches
- Semantic versioning
- Commit message standards
- Pull request workflow
Deployment Strategy
- Environment-specific configurations
- Database migration handling
- Asset compilation
- Cache management

Documentation Patterns

Code Documentation
- PHPDoc standards
- Inline comments for complexity
- README files for components
- API documentation
User Documentation
- Installation guides
- Configuration documentation
- User guides
- Troubleshooting guides

2025-03-25 10:41:00 - Added patterns for registration and authentication implementation

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