gistfile1.txt

 can [:memberships, :members], Organization do |organization|
   @user.has_role?(:resource_administrator, organization)

   all_childrens = @user.admined_organizations.map do |user_admined_organization|
     user_admined_organization.actable.get_descendent_memberships.where(member_type: Organization.types)
   end

   all_childrens.flatten.map do |membership|
     membership.member == organization.actable
   end.reduce(&:|)
 end