user.rb

class User < ActiveRecord::Base
  has_many :events, foreign_key: :chef_id, dependent: :destroy
  has_many :reservations, foreign_key: :guest_id
  has_many :guest_events, -> { merge(Reservation.accepted) },
            through: :reservations, source: :event
  has_many :all_guest_events, through: :reservations, source: :event
  has_many :event_notifications, -> { uniq }, through: :all_guest_events,
                                              source: :notifications
  has_many :notifications
end