JSON Typed Attributes

This skill helps you work with JSON-backed attributes in Rails models using the StoreJsonAttributes concern. It provides type casting, validation support, and seamless form integration.

When to Use

• You need flexible data storage without creating separate database columns
• You want to store structured data (like configuration, metadata, or dynamic fields) in a JSON column
• You need proper type casting for JSON attributes (numbers, dates, booleans, arrays)
• You want to validate JSON-backed attributes like regular ActiveRecord attributes
• You need JSON attributes to work seamlessly with Rails forms

Setup

1. Ensure JSON Column Exists

Your model must have a JSON column to store the attributes. Common names are data, metadata, or settings: