app/models/stop_area_group.rb
# frozen_string_literal: true
class StopAreaGroup < Group
include StopAreaReferentialSupport
has_many :members, class_name: 'StopAreaGroup::Member', foreign_key: :group_id, dependent: :delete_all,
inverse_of: :group
has_many :stop_areas, class_name: 'Chouette::StopArea', through: :members, inverse_of: :groups
validates :stop_area_ids, length: { minimum: 1 }
class Member < Group::Member
belongs_to :stop_area, class_name: 'Chouette::StopArea'
validates :stop_area_id, uniqueness: { scope: %i[group_id] }
end
end