app/models/members/last_group_owner_assigner.rb


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# frozen_string_literal: true

module Members
  class LastGroupOwnerAssigner
    def initialize(group, members)
      @group = group
      @members = members
    end

    def execute
      @last_blocked_owner = no_owners_in_heirarchy? && group.single_blocked_owner?
      @group_single_owner = owners.size == 1

      members.each { |member| set_last_owner(member) }
    end

    private

    attr_reader :group, :members, :last_blocked_owner, :group_single_owner

    def no_owners_in_heirarchy?
      owners.empty?
    end

    def set_last_owner(member)
      member.last_owner = member.id.in?(owner_ids) && group_single_owner
      member.last_blocked_owner = member.id.in?(blocked_owner_ids) && last_blocked_owner
    end

    def owner_ids
      @owner_ids ||= owners.where(id: member_ids).ids
    end

    def blocked_owner_ids
      @blocked_owner_ids ||= group.blocked_owners.where(id: member_ids).ids
    end

    def member_ids
      @members_ids ||= members.pluck(:id)
    end

    def owners
      @owners ||= group.members_with_parents.owners.load
    end
  end
end