Lather SOAP Library - TODO

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This document outlines planned features, improvements, and enhancements for future versions of Lather.

🚀 High Priority (v1.1.0)

SOAP 1.2 Completion

  • [ ] Address remaining 10-15% of SOAP 1.2 specification edge cases
  • [ ] Enhanced fault handling for SOAP 1.2 specific fault codes
  • [ ] SOAP 1.2 role-based processing improvements
  • [ ] Better SOAP 1.2 mustUnderstand header handling

MTOM Optimizations

  • [ ] Large attachment streaming support (avoid loading entire attachments in memory)
  • [ ] MTOM threshold configuration (auto-decide when to use MTOM vs inline)
  • [ ] Binary data compression options
  • [ ] MTOM attachment caching mechanisms

Documentation & Examples

  • [ ] More real-world service integration examples
  • [ ] Phoenix LiveView integration guide
  • [ ] Performance tuning documentation
  • [ ] Migration guide from other SOAP libraries

🌟 Medium Priority (v1.2.0)

OpenAPI 3.0 Integration

  • [ ] Generate OpenAPI specs from SOAP service definitions
  • [ ] REST/JSON endpoint documentation generation
  • [ ] Swagger UI integration for SOAP services
  • [ ] OpenAPI-driven client generation

WS-Security Enhancements

  • [ ] XML Digital Signatures (WS-Security)
  • [ ] XML Encryption support
  • [ ] SAML token integration
  • [ ] WS-Trust implementation
  • [ ] Certificate-based authentication
  • [ ] Security policy validation

Advanced Authentication

  • [ ] OAuth 2.0 client credentials flow
  • [ ] JWT token handling in SOAP headers
  • [ ] API key authentication strategies
  • [ ] Multi-factor authentication flows
  • [ ] Token refresh mechanisms

📈 Performance & Optimization

Core Performance

  • [ ] Connection pooling optimizations for high-throughput scenarios
  • [ ] XML parsing performance improvements
  • [ ] Memory usage optimization for large requests/responses
  • [ ] Async/streaming SOAP processing
  • [ ] Request/response compression support

Caching & Intelligence

  • [ ] WSDL caching with TTL and invalidation
  • [ ] Intelligent operation result caching
  • [ ] Connection warmup strategies
  • [ ] Predictive prefetching for related operations

Monitoring & Observability

  • [ ] Enhanced Telemetry events with more granular metrics
  • [ ] Request tracing integration (OpenTelemetry)
  • [ ] Performance monitoring dashboard templates
  • [ ] Health check endpoints for SOAP services

🔧 Developer Experience

Tooling & CLI

  • [ ] Mix task for WSDL analysis and validation (mix lather.analyze)
  • [ ] Interactive SOAP service explorer CLI
  • [ ] Code generation from WSDL (client modules)
  • [ ] SOAP request/response debugging tools
  • [ ] Service testing utilities

IDE & Editor Support

  • [ ] VSCode extension for SOAP service development
  • [ ] ElixirLS integration for better SOAP DSL support
  • [ ] Syntax highlighting for SOAP XML in editors
  • [ ] Auto-completion for SOAP operations

Enhanced DSL

  • [ ] Type-safe parameter validation in service DSL
  • [ ] More expressive error handling DSL
  • [ ] Conditional operation execution
  • [ ] Service versioning support in DSL
  • [ ] Plugin system for custom behaviors

🌍 Standards Compliance & Protocols

WS-* Standards Implementation

  • [ ] WS-ReliableMessaging for guaranteed delivery
  • [ ] WS-Policy for service capability negotiation
  • [ ] WS-Addressing for message routing
  • [ ] WS-Discovery for service discovery
  • [ ] WS-Eventing for event-driven architectures

Protocol Enhancements

  • [ ] HTTP/2 support for SOAP services
  • [ ] WebSocket transport option for real-time SOAP
  • [ ] Message queuing integration (RabbitMQ, Apache Kafka)
  • [ ] gRPC-style streaming for SOAP operations
  • [ ] GraphQL bridge for SOAP services

Standards Compliance

  • [ ] Full SOAP 1.2 specification compliance testing
  • [ ] WS-I Basic Profile 2.0 compliance validation
  • [ ] XML Schema validation improvements
  • [ ] Namespace handling edge cases
  • [ ] Character encoding robustness

🔗 Integration & Ecosystem

Framework Integrations

  • [ ] Plug.Router macro for automatic SOAP routing
  • [ ] Ecto integration for data serialization
  • [ ] GenServer-based service supervision
  • [ ] Phoenix PubSub integration for SOAP events
  • [ ] LiveView components for SOAP service management

Database & Storage

  • [ ] SOAP operation audit logging
  • [ ] Request/response persistence options
  • [ ] Service usage analytics
  • [ ] Configuration management from database
  • [ ] Multi-tenant SOAP service support

External Service Integration

  • [ ] API gateway integration patterns
  • [ ] Load balancer configuration guides
  • [ ] Docker containerization best practices
  • [ ] Kubernetes deployment manifests
  • [ ] Service mesh integration (Istio)

🧪 Testing & Quality Assurance

Testing Infrastructure

  • [ ] Property-based testing for SOAP message generation
  • [ ] Load testing utilities and benchmarks
  • [ ] Chaos engineering tools for resilience testing
  • [ ] Multi-version compatibility testing framework
  • [ ] Real-world service compatibility test suite

Quality Improvements

  • [ ] Enhanced error messages with suggestions
  • [ ] Better debugging information in development mode
  • [ ] Code quality metrics and analysis tools
  • [ ] Automated security vulnerability scanning
  • [ ] Compliance testing automation

🎨 User Interface & Experience

Enhanced Web Interface

  • [ ] Service dashboard with real-time metrics
  • [ ] Interactive API documentation browser
  • [ ] Request/response history viewer
  • [ ] Service health monitoring interface
  • [ ] Multi-language support for web forms

Mobile & Accessibility

  • [ ] Mobile-optimized testing interface
  • [ ] Screen reader compatibility
  • [ ] Keyboard navigation support
  • [ ] High contrast mode for accessibility
  • [ ] Internationalization (i18n) support

📚 Documentation & Community

Advanced Documentation

  • [ ] Architecture decision records (ADRs)
  • [ ] Enterprise deployment guide
  • [ ] Security best practices guide
  • [ ] Troubleshooting cookbook
  • [ ] Performance tuning guide

Community & Ecosystem

  • [ ] Plugin development guide
  • [ ] Contribution guidelines enhancement
  • [ ] Community showcase of real implementations
  • [ ] Conference talks and presentations
  • [ ] Blog post series on advanced SOAP topics

🚧 Technical Debt & Maintenance

Code Quality

  • [ ] Comprehensive type specifications for all public APIs
  • [ ] Enhanced error handling with structured error types
  • [ ] Code coverage improvements to 98%+
  • [ ] Static analysis integration (Credo, Dialyzer)
  • [ ] Documentation coverage enforcement

Dependencies & Compatibility

  • [ ] Elixir version compatibility matrix
  • [ ] Dependency security auditing
  • [ ] Alternative HTTP client support (besides Finch)
  • [ ] OTP version compatibility testing
  • [ ] Minimal dependency footprint optimization

📋 Notes

  • Priority levels are estimates and may change based on community feedback
  • Community contributions are welcome for any items on this list
  • Breaking changes will follow semantic versioning guidelines
  • Security items will be prioritized regardless of version planning
  • Performance improvements will be continuously evaluated and implemented

🤝 Contributing

Contributions are welcome for any of these items! Please open an issue or pull request on GitHub.

For questions or suggestions about this roadmap, please open an issue on GitHub.

Last updated: January 2025 Version: 1.0.4