Pmclain/TotalMessage/etc/module.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
<module name="Pmclain_TotalMessage" setup_version="0.0.1">
<sequence>
<module name="Magento_Quote" />
<module name="Magento_Checkout" />
</sequence>
</module>
</config>
Pmclain/TotalMessage/etc/frontend/di.xml
Add checkout config provider for passing the message to component on checkout page.
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
<type name="Magento\Checkout\Model\CompositeConfigProvider">
<arguments>
<argument name="configProviders" xsi:type="array">
<item name="pmclain_totalmessage_config_provider" xsi:type="object">Pmclain\TotalMessage\Model\ConfigProvider</item>
</argument>
</arguments>
</type>
</config>
Pmclain/TotalMessage/Helper/Data.php
<?php
namespace Pmclain\TotalMessage\Helper;
use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\App\Helper\Context;
use Magento\Checkout\Model\Session;
class Data extends AbstractHelper
{
protected $_checkoutSession;
public function __construct(
Context $context,
Session $session
) {
parent::__construct($context);
$this->_checkoutSession = $session;
}
public function getTotalMessage()
{
$quote = $this->_checkoutSession->getQuote();
if ($quote->getBaseSubtotalWithDiscount() >= 400
&& $quote->getBaseSubtotalWithDiscount() < 500) {
return __('Orders over $500 receive 5% off.');
}
if ($quote->getBaseSubtotalWithDiscount() >= 800
&& $quote->getBaseSubtotalWithDiscount() < 1000) {
return __('Orders over $1,000 receive 10% off.');
}
return false;
}
}
Pmclain/TotalMessage/Block/Message.php
<?php
namespace Pmclain\TotalMessage\Block;
use Magento\Framework\View\Element\Template;
use Pmclain\TotalMessage\Helper\Data;
class Message extends Template
{
protected $_helper;
public function __construct(
Template\Context $context,
Data $helper,
array $data = []
) {
parent::__construct($context, $data);
$this->_helper = $helper;
}
public function getMessage()
{
return $this->_helper->getTotalMessage();
}
}
Pmclain/TotalMessage/Model/ConfigProvider.php
<?php
namespace Pmclain\TotalMessage\Model;
use Magento\Checkout\Model\ConfigProviderInterface;
use Pmclain\TotalMessage\Helper\Data;
class ConfigProvider implements ConfigProviderInterface
{
protected $_helper;
public function __construct(Data $helper)
{
$this->_helper = $helper;
}
public function getConfig()
{
return [
'totalmessage' => $this->_helper->getTotalMessage()
];
}
}
Pmclain/TotalMessage/view/frontend/layout/checkout_cart_index.xml
Layout update for adding message block on cart page.
<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceContainer name="cart.summary">
<block class="Pmclain\TotalMessage\Block\Message" name="checkout.cart.summary.totalmessage" template="Pmclain_TotalMessage::message.phtml" after="checkout.cart.totals.container" />
</referenceContainer>
</body>
</page>
Pmclain/TotalMessage/view/frontend/templates/message.phtml
Message template for cart page summary.
<?php
/** @var Pmclain\TotalMessage\Block\Message $block */
?>
<?php if ($block->getMessage()): ?>
<div class="total-message">
<span><?php echo $block->getMessage() ?></span>
</div>
<?php endif; ?>
Pmclain/TotalMessage/view/frontend/layout/checkout_index_index.xml
Layout update for adding message component in cart summary block of checkout.
<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="checkout.root">
<arguments>
<argument name="jsLayout" xsi:type="array">
<item name="components" xsi:type="array">
<item name="checkout" xsi:type="array">
<item name="children" xsi:type="array">
<item name="sidebar" xsi:type="array">
<item name="children" xsi:type="array">
<item name="summary" xsi:type="array">
<item name="children" xsi:type="array">
<item name="itemsBefore" xsi:type="array">
<item name="children" xsi:type="array">
<item name="totalMessage" xsi:type="array">
<item name="component" xsi:type="string">Pmclain_TotalMessage/js/view/message</item>
<item name="displayArea" xsi:type="string">itemsBefore</item>
<item name="config" xsi:type="array">
<item name="template" xsi:type="string">Pmclain_TotalMessage/message</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</argument>
</arguments>
</referenceBlock>
</body>
</page>
Pmclain/TotalMessage/view/frontend/web/js/view/message.js
define(
[
'uiComponent'
],
function (Component) {
"use strict";
return Component.extend({
defaults: {
message: false
},
initialize: function() {
this._super();
this.message = window.checkoutConfig.totalmessage;
},
hasMessage: function() {
if (this.message) {
return true;
}
return false;
},
getMessage: function() {
return this.message;
}
});
}
);
Pmclain/TotalMessage/view/frontend/web/template/message.html
<!-- ko if: hasMessage() -->
<div class="block total-message">
<span data-bind="text: getMessage()"></span>
</div>
<!-- /ko -->
Resulting message displayed on cart view.

Message displayed in checkout summary.
