Ruby rails: scopes
From wikinotes
Scopes are custom queries that you define inside your Rails models.
They return ActiveRecord::Relation objects. Scopes can be chained together.
| scopes tutorial | https://www.rubyguides.com/2019/10/scopes-in-ruby-on-rails/ |
class Fruit < ApplicationRecord
scope :with_juice, -> { where("juice > 0") }
scope :with_round_shape, -> { where("shape == 'round'") } # <--(NOTE - syntax may be incorrect)
end
Fruit.with_juice.with_round_shape.first(3)
