gistfile1.rb

  def self.send_confirmation_reminder
    self.where(confirmed_at: nil).each do |user|
      if (1.day..2.days).include?(Time.current - user.confirmation_sent_at) || (3.days..4.days).include?(Time.current - user.confirmation_sent_at)
        UserMailer.confirmation_reminder(user).deliver
      end
    end
  end

  def self.send_application_reminder
    self.all.map(&:loans).flatten.uniq.each do |loan|
      if (loan.incomplete_personal_info? || loan.incomplete_confirmation?) && (1.day..2.days).include?(Time.current - loan.state_changed_at) || (3.days..4.days).include?(Time.current - loan.state_changed_at)
        UserMailer.application_reminder(loan).deliver
      elsif (loan.incomplete_documents? || loan.applied?) && (3.day..4.days).include?(Time.current - loan.state_changed_at) || (5.days..6.days).include?(Time.current - loan.state_changed_at)
        UserMailer.tu_reminder(loan).deliver
      end

    end
  end