class JournalPaperAuthor
  include Mongoid::Document
  include Mongoid::Timestamps

  field :name, type: String, localize: true
  field :email, type: String

  has_and_belongs_to_many :journal_papers
  has_and_belongs_to_many :journal_paper_author_types

  VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/
  validates :email, format: { with: VALID_EMAIL_REGEX },
            allow_blank: true,
            uniqueness: { case_sensitive: false }

  before_save { |author| author.email = email.downcase if not author.email.nil?}
end