# setts all products to check or not their quantity
class SendNewsletterJob < ApplicationJob
  queue_as :default

  def perform
    loop do
      emails = Email.where('sended = 0')
      break if emails.count.zero?
      begin
        emails.each do |em|
          NewsletterMailer.news_mail(em.email).deliver
          em.sended = true
          em.save
          sleep(6)
        end
      rescue Net::SMTPUnknownError => e
        # Net::SMTPUnknownError (could not get 3xx (550: 550 5.4.5
        # Daily user sending quota exceeded. p3sm37406639wrx.71 - gsmtp
        Rails.logger.error e.message
        Rails.logger.error e.backtrace.join("\n")
        sleep(3600)
      end
    end
  end
end