client.rb

  # all upcoming events for a client
  def future_events_all_accounts
    self.accounts.map{ |account|
      account.events.in_future(account.now).where(:client_id => self.id)
    }.uniq.sort_by{ |a| a.start_time }
  end
  
  # all past events for a client
  def past_events_all_accounts
    self.accounts.map{ |account|
      account.events.in_past(account.now).where(:client_id => self.id)
    }.uniq.sort_by{ |a| a.start_time }
  end