Designing Rails Service Objects and Business Logic

Is your Rails application becoming difficult to maintain due to bloated controllers and cluttered models? Learning where to draw the line between web-specific code and core business logic is essential for building scalable web applications. This written course guides you through the process of refactoring Rails applications by introducing clear architectural boundaries. You will learn how to identify the "seam" where controller responsibilities end and business logic begins, allowing you to write cleaner, more maintainable code. What you'll learn: - Understand the core principles of thin controllers and the service object pattern - Identify logical boundaries and seams within a standard Rails application - Design reusable service classes that encapsulate complex business workflows - Manage data conversion and parameter validation safely before processing - Apply modern Ruby features like pattern matching to handle service responses - Practice writing clean, isolated tests for your business logic You will start with foundational architectural concepts and definitions before moving step-by-step through practical refactoring scenarios. Each module provides clear, written explanations and structured code snippets to help you confidently restructure your codebase. This course is designed for developers who have a basic understanding of Rails and want to improve their application architecture. No advanced system design experience is required. Start refining your Rails architecture and write cleaner code today.