Contracts Laravel Package

Technical Evaluation

Architecture Fit

• Laravel-Native Contracts: Perfectly aligned with Laravel’s core abstractions (caching, queues, HTTP, DTOs), reducing friction for teams already using the framework. Contracts like Cache\Store, Queue\ShouldQueue, and Dtoable mirror Laravel’s built-in patterns, enabling zero-boilerplate adoption for common use cases.
• Clean Architecture Enabler: Supports hexagonal/port-adapter architecture by providing explicit interfaces for domain interactions (e.g., Cache\Ttl, Http\Builder). This allows teams to decouple business logic from infrastructure, simplifying future migrations (e.g., switching cache drivers or HTTP clients).
• Symfony Compatibility: Leverages Symfony 6/7 components (e.g., symfony/http-kernel), ensuring interoperability with modern PHP ecosystems while maintaining Laravel-specific extensions (e.g., rememberForever for caching).
• Domain-Driven Design (DDD) Support: Contracts like ActionInterface and ShouldBeUnique align with DDD principles, enabling bounded context isolation and event-driven workflows without framework lock-in.
• Modular Monolith Refactoring: Provides a contract-first foundation for decomposing monolithic Laravel apps into independently testable modules, with interfaces like MigrateDatabase facilitating database-agnostic migrations.

Integration Feasibility

• Minimal Friction: Contracts are pure PHP interfaces with no runtime dependencies beyond Laravel/Symfony, requiring only type hints in existing classes (e.g., class MyDto implements Dtoable).
• Backward Compatibility: Designed for Laravel 11/12, but most contracts (e.g., Cache\Store) are backward-compatible with older versions, reducing migration risks.
• IDE-First Adoption: Full PHPStan/PSR-12 support ensures compile-time safety, with IDE autocompletion for contracts (e.g., ShouldQueue::getQueue()).
• Laravel Service Provider Agnostic: Contracts do not replace Laravel’s built-in interfaces (e.g., Illuminate\Contracts\Cache\Store) but extend them, avoiding conflicts with existing implementations.

Technical Risk

Key Questions for TPM

1. Architecture Goals:

   • Are we prioritizing clean architecture, DDD, or modularity? If yes, this package provides foundational contracts for those patterns.
   • Do we need framework-agnostic interfaces (e.g., for future non-Laravel components), or is Laravel-specific alignment sufficient?

2. Team Maturity:

   • Is the team comfortable with dependency inversion (interfaces over implementations)? If not, adoption may require training or gradual migration.
   • How do we balance standardization (using this package) vs. custom contracts for domain-specific needs?

3. Ecosystem Integration:

   • Are we using or planning to use DragonCode/helpers? If yes, contracts like Dtoable are required for full functionality.
   • Do we need additional contracts not covered by this package (e.g., for payment processing, real-time features)?

4. Migration Strategy:

   • Should we retrofit contracts to existing classes (e.g., implements Dtoable) or start fresh in new modules?
   • How will we handle legacy code that doesn’t adhere to the new contracts?

5. Long-Term Maintenance:

   • Who will monitor updates (e.g., Laravel 13 compatibility) and adapt contracts if needed?
   • Should we fork the package to customize contracts for our needs, or contribute upstream?

6. Testing Impact:

   • Will this increase or decrease test coverage? (Interfaces enable mocking but may require refactoring.)
   • How will we test contract implementations (e.g., ensuring ShouldQueue jobs behave as expected)?

7. Performance & Scaling:

   • Are there bottlenecks in our current caching/queue/HTTP layers that this package could expose or solve?
   • Will adopting contracts simplify scaling (e.g., by enabling easier driver swaps)?

Integration Approach

Stack Fit

• Laravel 11/12: Native support with zero configuration. Contracts like ShouldQueue and Cache\Store align with Laravel’s latest patterns.
• Symfony 6/7: Leverages Symfony components (e.g., HttpKernel) for HTTP and kernel-related contracts, ensuring compatibility with Symfony-based Laravel extensions.
• PHP 8.3+: Requires named arguments, enums, and attributes, which modern Laravel projects already use.
• DragonCode Ecosystem: Seamless integration with dragon-code/helpers (e.g., Dtoable for serialization) if adopted.
• Other Frameworks: Limited compatibility—contracts are Laravel-centric (e.g., rememberForever for cache). Use adapter patterns for non-Laravel PHP projects.

Migration Path