Code explainers tagged #scopes

class ProductsController < ApplicationController
  def index
    @products = Product
      .includes(:category, :brand)

module SoftDeletable
  extend ActiveSupport::Concern
 
  included do

class Article < ApplicationRecord
  belongs_to :author
 
  default_scope { where(deleted_at: nil) }

class Employee < ApplicationRecord
  validates :name, presence: true
  validates :salary, numericality: { greater_than: 0 }