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POHow add delay before sending an Email?
 

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    <p>I am referring Agile web developments with Rails 4th edition book. I have created two Email notification first for confirmation of order, second for shipped order. Now I want to add a delay of 5 minutes after sending a 'confirmation of order' mail to the user and then send the second 'shipped order' email. currently I have this two files, tell me what changes should I make to add required delay.</p> <p>Thanks in advance.</p> <p>orders_controller.rb</p> <pre><code>def create @order = Order.new(params[:order]) @order.add_line_items_from_cart(current_cart) respond_to do |format| if @order.save Cart.destroy(session[:cart_id]) session[:cart_id] = nil OrderNotifier.received(@order).deliver #Mail after 5 miutes to inform order is Shipped OrderNotifier.delay.shipped(@order) format.html { redirect_to store_url, notice: I18n.t('.thanks') } format.json { render json: @order, status: :created, location: @order } else @cart = current_cart format.html { render action: "new" } format.json { render json: @order.errors, status: :unprocessable_entity } end end end </code></pre> <p>order_notifier.rb</p> <pre><code>class OrderNotifier &lt; ActionMailer::Base default from: 'sam ruby &lt;depot@example.com&gt;' def received(order) @order = order mail to: order.email, subject: 'Pragmatic Store Order Confirmation' end def shipped(order) @order = order mail to: order.email, subject: 'Pragmatic Store Order Shipped' end handle_asynchronously :shipped, :run_at =&gt; Proc.new { 5.minutes.from_now } end </code></pre> <p>I did the above changes to my code, </p> <p>It raise error with rake jobs:work</p> <blockquote> <p>[Worker(pid:8300)] Starting job worker [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) RUNNING [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) FAILED (0 prior attempts) with NoMethodError: undefined method <code>[]' for nil:NilClass [Worker(id:8300)] 1 jobs processed at 1.5796 j/s, 1 failed [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) RUNNING [Worker(pid:8300)] Job OrderNotifier#shipped_without_delay (id=31) FAILED (1 prior attempts) with NoMethodError: undefined method </code>[]' for nil:NilClass [Worker(pid:8300)] 1 jobs processed at 6.3007 j/s, 1 failed</p> </blockquote>
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