# == Schema Information
#
# Table name: carts
#
#  id         :bigint(8)        not null, primary key
#  uuid       :string(80)       not null
#  ip         :string(255)
#  useragent  :string(255)
#  created_at :datetime
#  updated_at :datetime
#

# Shopping carts model
class Cart < ApplicationRecord
  # == Constants ============================================================

  # == Attributes ===========================================================

  # == Extensions ===========================================================

  # == Relationships ========================================================
  has_many :cart_products, -> { joins(:product).order('products.name ASC') }
  has_one :order

  # == Validations ==========================================================

  # == Scopes ===============================================================

  # == Callbacks ============================================================

  # == Class Methods ========================================================

  # == Instance Methods =====================================================
  def cart_value
    cart_products.sum('cart_products.price * cart_products.quantity')
  end
end