activerecord/test/models/club.rb


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class Club < ActiveRecord::Base
  has_one :membership
  has_many :memberships, :inverse_of => false
  has_many :members, :through => :memberships
  has_one :sponsor
  has_one :sponsored_member, :through => :sponsor, :source => :sponsorable, :source_type => "Member"
  belongs_to :category

  has_many :favourites, -> { where(memberships: { favourite: true }) }, through: :memberships, source: :member

  private

  def private_method
    "I'm sorry sir, this is a *private* club, not a *pirate* club"
  end
end