gistfile1.txt

class Member < ActiveRecord::Base
	has_many :members_in_orgs
	has_many :orgs, :through => :members_in_orgs
end

class MembersInOrgs < ActiveRecord::Base
	validates_uniqueness_of :member_id, scope: :org_id
	belongs_to :orgs
	belongs_to :members
end

class Org < ActiveRecord::Base
	has_many :members_in_orgs
	has_many :members, :through => :members_in_orgs
end