# frozen_string_literal: true

module Decidim
  # A UserGroupMembership associate user with user groups
  class UserGroupMembership < ApplicationRecord
    belongs_to :user, class_name: "Decidim::User", foreign_key: :decidim_user_id
    belongs_to :user_group, class_name: "Decidim::UserGroup", foreign_key: :decidim_user_group_id

    ROLES = %w(creator admin member requested invited).freeze
    validates :role, inclusion: { in: ROLES }
    validates :role, uniqueness: { scope: [:role, :decidim_user_group_id] }, if: :creator?

    def creator?
      role.to_s == "creator"
    end
  end
end