8 lines
230 B
Ruby
8 lines
230 B
Ruby
class Book < ApplicationRecord
|
|
has_and_belongs_to_many :authors
|
|
|
|
scope :published, -> { where(published: true) }
|
|
validates :title, presence: true
|
|
validates :price, presence: true
|
|
validates :published, presence: true
|
|
end
|