Code explainers tagged #scopes

class Product < ApplicationRecord
  belongs_to :category, touch: true
 
  has_many :reviews, dependent: :destroy

class Booking < ApplicationRecord
  belongs_to :room
  belongs_to :guest
 

class Article < ApplicationRecord
  belongs_to :author, class_name: "User"
  has_many :taggings, dependent: :destroy
  has_many :tags, through: :taggings

class PaymentMethod < ApplicationRecord
  belongs_to :account
 
  encrypts :card_number, deterministic: false

class Account < ApplicationRecord
  has_many :projects, dependent: :destroy_async
  has_many :memberships, dependent: :destroy_async
  has_many :invoices, dependent: :restrict_with_error

class User < ApplicationRecord
  store_accessor :preferences,
    :theme,
    :timezone,

class Subscription < ApplicationRecord
  belongs_to :account
 
  enum :status, {

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 }