The Art Of Keeping Business Logic Honest
The article discusses the challenges of maintaining business logic in long-lived applications. It introduces a two-layer pattern involving a strict state machine and a workflow engine to manage entity lifecycles effectively. This approach aims to prevent the drift of business logic from the code and ensure clarity in transitions and operations.
- ▪Many applications struggle with scattered conditionals that complicate status management.
- ▪The state machine pattern simplifies transition rules while the workflow engine manages follow-on tasks.
- ▪This method helps maintain data integrity and provides a clear audit trail for transitions.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 95943) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Steve McDougall Posted on May 20 • Originally published at juststeveking.com The Art Of Keeping Business Logic Honest #laravel #statemachines #workflowengine #domaindrivendesign There is a moment in most long-lived applications where you open a controller and find a block of conditionals that nobody quite understands anymore.
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