group.rb 255 Bytes Raw Blame History Permalink 1 2 3 4 5 6 7 8 9 10 11 class Group < ApplicationRecord belongs_to :pool, inverse_of: :groups has_and_belongs_to_many :users, inverse_of: :groups validates :name, :pool, presence: true delegate :name, to: :pool, prefix: true def users_count users.count end end