active-record-callbacks

What problem does it solve?

This Skill provides expert guidance on using Active Record callbacks effectively, helping you avoid common pitfalls and ensure your data integrity is maintained throughout the lifecycle of your models.

Core Features & Use Cases

• Lifecycle Hooks: Understand and implement before_save, after_create, after_commit, and other callbacks.
• Decision Framework: Learn when callbacks are appropriate versus when to use service objects.
• Use Case: You need to ensure a user's email is always lowercased and stripped of whitespace before it's saved to the database. This Skill shows you how to implement this using a before_save callback.

Quick Start

Use the active-record-callbacks skill to implement a before_save callback that normalizes user email addresses.