Template Method Design Pattern in Rails | Gurzu

The Template Method pattern is a behavioral design pattern that defines the program skeleton of an algorithm in an operation, deferring some steps to.... “Define a skeleton of an algorithm in an operation, deferring some steps to subclasses. It lets subclasses redefine certain steps of an algorithm without changing its subclasses.” `template_method` calls `step_one` method, `step_two` method and `step_three` method`step_two` is a hook method (through method overriding). i.e It is declared in base class and then defined in subclasses.