Create plain Ruby objects with Rails model-like validations and attributes.
npx skills add https://github.com/ThinkOodle/rails-skills --skill active-model
Please help me install this Agent Skill. Skill: active-model Source: https://github.com/ThinkOodle/rails-skills/tree/main/skills/active-model Command: npx skills add https://github.com/ThinkOodle/rails-skills --skill active-model
This Skill enables the creation of Ruby objects that behave like Active Record models (with validations, form integration, etc.) but do not require a database backend, streamlining the development of form objects, API wrappers, and other non-persisted data structures.
ContactForm object that handles user input, performs validation, and sends an email, all without needing a ContactForm database table.Create a new Ruby class named ContactForm that includes ActiveModel::Model and defines attr_accessor for name, email, and message, then add presence validations for these attributes.
High-intent search queries and answers about installing and using this skill.
To build a Rails form object without a database, create a plain Ruby object including ActiveModel::Model and ActiveModel::Attributes. This approach provides validations and form integration for transient data without requiring database persistence.
Validating a plain Ruby object in Rails is best achieved by including ActiveModel::Validations. This module grants Active Record-like validation behaviors to POROs, ensuring data integrity for service objects or API wrappers without database coupling.
Yes, you can use ActiveModel for API request and response wrappers. By leveraging ActiveModel::Attributes, you can build objects that mirror external API responses, enabling easier data manipulation and attribute casting within your Rails application.
Adding model-like behavior to a Rails service object involves including ActiveModel modules like Model and Validations. This provides attribute casting and validation capabilities to the service object without tying it to a database backend.
No, you do not need Active Record to handle validations for non-persisted data. ActiveModel::Validations can be included in plain Ruby objects to provide the exact same validation framework without requiring database persistence.
You should use a PORO instead of an Active Record model when dealing with transient data like contact forms or API payloads. ActiveModel modules provide the necessary validations and form integration without the overhead of database persistence.
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