MealPlan Class

meal_plan.rb

class MealPlan < ActiveRecord::Base
  attr_accessible :active
  has_many :meals
  before_save :check_for_active_plan


  def check_for_active_plan
    if MealPlan.active.nil?
      if self.active == false
        flash[:alert] = 'You must have at least one active Meal Plan'
        return false
      end
    else
      if MealPlan.active != self && self.active == true
        oldplan = MealPlan.active
        oldplan.active = false
        oldplan.save
      end
    end
  end
end