sqm-dashboards/app/models/schedule.rb

class Schedule < ApplicationRecord
  belongs_to :school
  belongs_to :recipient_list
  belongs_to :question_list
  has_many :recipient_schedules

  validates :name, presence: true
  validates :recipient_list, presence: true
  validates :question_list, presence: true

  after_create :create_recipient_schedules

  scope :active, -> { where(active: true).where("start_date <= ? and end_date > ?", Date.today, Date.today) }

  private

    def create_recipient_schedules
      recipient_list.recipients.each do |recipient|
        question_ids = question_list.question_ids.split(/,/)
        question_ids = question_ids.shuffle if random
        recipient_schedules.create(
          recipient: recipient,
          upcoming_question_ids: question_ids.join(','),
          next_attempt_at: Time.new
        )
      end
    end

end