Send email on order cancellation in Magento 2

Magento 2 has many templates to send when the customer changes the order process like an invoice, shipment, credit memo, etc. But the same isn’t available on the cancellation process.

Today, we’re going to show you how to set it up for the cancelation process.

Module name: Magemonkeys_Cancelledorder

Create events.xml at app/code/Magemonkeys/Cancelledorder/etc/

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="sales_order_save_after">
        <observer name="sales_order_save_after"
                  instance="Magemonkeys\Cancelledorder\Observer\OrderSaveAfter"/>
    </event>
</config>

<?xml version="1.0"?>

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">

<observer name="sales_order_save_after"

instance="Magemonkeys\Cancelledorder\Observer\OrderSaveAfter"/>

</event>

</config>

Then Create OrderSaveAfter.php at app/code/Magemonkeys/Cancelledorder/Observer/

<?php
namespace Magemonkeys\Cancelledorder\Observer;

use Magento\Framework\Event\ObserverInterface;
use Magento\Sales\Model\Order\Email\Sender\OrderCommentSender;

class OrderSaveAfter implements ObserverInterface
{

    protected $orderCommentSender;

    public function __construct(
        OrderCommentSender $orderCommentSender
    )
    {
        $this->orderCommentSender = $orderCommentSender;
    }

    public function execute(\Magento\Framework\Event\Observer $observer)
    {
        $order = $observer->getEvent()->getOrder();
        if ($order->getState() == 'canceled') {
            $this->orderCommentSender->send($order, true);
        }
    }
}

<?php

namespace Magemonkeys\Cancelledorder\Observer;

use Magento\Framework\Event\ObserverInterface;

use Magento\Sales\Model\Order\Email\Sender\OrderCommentSender;

class OrderSaveAfter implements ObserverInterface

{

protected $orderCommentSender;

public function __construct(

OrderCommentSender $orderCommentSender

)

{

$this->orderCommentSender = $orderCommentSender;

}

public function execute(\Magento\Framework\Event\Observer $observer)

{

$order = $observer->getEvent()->getOrder();

if ($order->getState() == 'canceled') {

$this->orderCommentSender->send($order, true);

}

The mail will look something like the below.

Hope that helps.

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