What are the best practices for Rails models?

What are the best practices for Rails models?

Some best practices for Rails models include keeping them skinny, using validations, and leveraging scopes.

Can you explain what you mean by keeping models skinny?

Keeping models skinny means that they should focus on business logic and not contain too much code. Use concerns for shared functionality.

What are concerns in Rails?

Concerns in Rails are modules that allow you to encapsulate shared code for models, promoting DRY (Don't Repeat Yourself) principles.

How do I implement validations in my Rails model?

You can implement validations in your Rails model by using built-in validation methods like validates :attribute, presence: true.