Apply Flexible Discounts for Marketing Campaigns
Explore how to use the Strategy Pattern to manage flexible discount rules by creating independent discount strategies. Learn to swap algorithms at runtime without conditional logic, ensuring easy extension and maintainability in your Node.js checkout service.
We'll cover the following...
We'll cover the following...
Problem statement
You’re building a checkout system for an online store. The discount logic keeps changing: sometimes marketing runs a flat discount, other times a percentage discount, and for loyal customers, there’s a tiered loyalty discount.
Discount logic often evolves into lengthy chains of conditionals within checkout code. Each new rule ...