wrestlingdev.com/app/jobs/tournament_cleanup_job.rb

class TournamentCleanupJob < ApplicationJob
  queue_as :default

  def perform
    # Task 1: Remove tournaments that are 1 week old and have 0 matches finished
    remove_empty_old_tournaments

    # Task 2: Cleanup tournaments that are a week old with at least 1 finished match
    cleanup_active_old_tournaments
  end

  private

  def remove_empty_old_tournaments
    # Find tournaments older than 1 week with no finished matches
    Tournament.where('date < ?', 1.week.ago.to_date)
             .joins('LEFT JOIN matches ON matches.tournament_id = tournaments.id AND matches.finished = 1')
             .group('tournaments.id')
             .having('COUNT(matches.id) = 0')
             .destroy_all
  end

  def cleanup_active_old_tournaments
    # Find tournaments older than 1 week with at least 1 finished match
    old_active_tournaments = Tournament.where('date < ?', 1.week.ago.to_date)
                                      .joins('INNER JOIN matches ON matches.tournament_id = tournaments.id AND matches.finished = 1')
                                      .group('tournaments.id')
                                      .having('COUNT(matches.id) > 0')
    
    old_active_tournaments.each do |tournament|
      # 1. Remove all school delegates
      tournament.schools.each do |school|
        school.delegates.destroy_all
      end
      
      # 2. Remove all tournament delegates
      tournament.delegates.destroy_all
      
      # 3. Set user_id to null
      tournament.update(user_id: nil)
    end
  end
end