As introduced earlier, the project design starts with listing general entities, such as users, products, and warehouses when designing an e-commerce platform:
We then decompose each entity into smaller components. To make things clearer, consider each entity as a separate class. When thinking of an entity as a class, it makes more sense in terms of decomposition. For example, we express the user entity as a class:
class User{public: // constructors and assignment operators are omitted for code brevity void set_name(const std::string& name); std::string get_name() const; void set_email(const std::string&); std::string ...