Organize HTTP handlers within domain folders for loose coupling.
Implement Test-Driven Development principles for safe and clear code functionality.
Maintain separation between business logic and database models to prevent tight coupling.
Deep dives
Internal Structure of a Go Project
Creating a Go project typically involves initiating a go mod project and generating a CMD folder containing the project name for distinct binaries. Following an internal folder practice with enforced regulations ensures encapsulated packages. For instance, a domain like loyalty would have a loyalty.go file holding models and services.
GRPC and Domain-Driven Design Compliance
GRPC plays a crucial role in honoring published language contracts for seamless communication. Protobufs ensure type safety and compatibility across various languages. The enforcement of internal packages prevents unexpected dependencies, aligning well with domain modeling and language isolation.
HTTP Handlers Organization
A versatile approach in organizing HTTP handlers involves placing them either inside relevant domain folders, such as payments or creating a dedicated transport package for all handlers. The key is to maintain loose coupling, where handlers focus on request validation and interaction with service layers for streamlined HTTP operations.
Testing Approach in Domain-Driven Design
Incorporating Test-Driven Development (TDD) principles within domain-driven design projects offers enhanced safety and clarity in code functionality. By adhering to TDD practices and maintaining robust test coverage, developers ensure efficiency and reliability in their domain-driven design projects.
Separating Code Handlers Based on Related Functionality
Developers share their approach to structuring code, discussing the benefits of organizing handlers based on related functionality to enhance code clarity and maintainability. By grouping handlers according to distinct functionalities such as loyalty and payments, developers find it easier to manage and navigate the codebase, minimizing complexity. They debate the challenges of handling diverse sets of handlers and the importance of creating clear boundaries between them to avoid unnecessary entanglement.
Maintaining Separation Between Business Logic and Database Models
The podcast delved into the critical need for maintaining separation between business logic and database models to prevent tightly coupling them. By segregating internal types from database-related types, such as creating separate store and repository packages, developers avoid pitfalls like letting the database dictate the application's design. This separation of concerns not only aids in upgrading or migrating databases but also fosters better application design practices by decoupling business logic from database specifics for long-term flexibility.
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