class User < ApplicationRecord enum role: [:user, :moderator, :admin] after_initialize :set_default_role, if: :new_record? validates :full_name, presence: true def set_default_role self.role ||= :user end def gravatar_url gravatar_id = Digest::MD5::hexdigest(email.downcase) "https://secure.gravatar.com/avatar/#{gravatar_id}" end devise :database_authenticatable, :registerable, :recoverable, :rememberable, :validatable, :confirmable end