forced_matrix.rb

class User < ApplicationRecord

  has_many :sponsored_teams, class_name: 'Team', foreign_key: "sponsor_id",
    inverse_of: :sponsor, before_add: :check_to_if_sponsor_count


  def check_to_if_sponsor_count(new_team)
    if new_team.sponsor.sponsored_teams.count >= 4
      add_team_to_new_sponsor(new_team)
    end
  end

  def add_team_to_new_sponsor(new_team)
    u = new_team.sponsor
    new_sponsor = u.sponsored_teams.first.coach
    new_team.sponsor = new_sponsor
    new_team.save
    new_sponsor.sponsored_teams << new_team
  end
end