Skapa en modul

En modul är ett strukturelement i Commerce - moduler utgör systemets ryggrad. Du börjar vanligtvis med en anpassning genom att skapa en modul.

Vem är den här videon till?

  • Utvecklare

Steg för att lägga till en modul

  1. Skapa modulmappen.
  2. Skapa filen etc/module.xml.
  3. Skapa filen registration.php.
  4. Kör bin/magento setup:upgrade för att registrera och installera modulen.
  5. Kontrollera att modulen fungerar.

Filen 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="Training_Sales">
        <sequence>
            <module name="Magento_Sales"/>
        </sequence>
    </module>
</config>

Filen registration.php

<?php

use Magento\Framework\Component\ComponentRegistrar;

ComponentRegistrar::register(
    ComponentRegistrar::MODULE,
    'Training_Sales',
    __DIR__);

Lägg till ett plugin-program

Sedan lägger du till funktioner i din grundläggande modul. Du använder plugin-program som oumbärliga verktyg i Adobe Commerce-utvecklingen. Den här videon och självstudiekursen visar hur du skapar ett plugin-program.

Saker att komma ihåg för plugin-program

  • Du deklarerar alla plugin-program i di.xml.
  • Du ger varje plugin ett unikt namn.
  • Du kan också ange attributen disabled och sortOrder.
  • Du ställer in plugin-programmets omfång genom att välja vilken mapp som innehåller filen di.xml.
  • Du kör plugin-program före, efter eller runt målmetodanropet.
  • Undvik around plugin-program. De frestar dig, men de representerar ofta fel val och orsakar prestandaproblem.

Plugin-kodexempel

I självstudien används följande XML- och PHP-klasser för att lägga till ett plugin-program i den första modulen.

app/code/Training/Sales/etc/adminhtml/di.xml

<?xml version="1.0" ?>
<!--
/**
 * Copyright &copy; Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <!-- A Plugin that executes when the admin user places an order -->
    <type name="Magento\Sales\Model\Order">
        <plugin name="admin-training-sales-add-logging" type="Training\Sales\Plugin\AdminAddLoggingAfterOrderPlacePlugin" disabled="false" sortOrder="0"/>
    </type>
</config>

app/code/Training/Sales/etc/frontend/di.xml

<?xml version="1.0" ?>
<!--
/**
 * Copyright &copy; Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <!-- A plugin that executes when a customer uses the LoginPost controller from the Luma frontend -->
    <type name="Magento\Customer\Controller\Account\LoginPost">
        <plugin name="training-customer-loginpost-plugin"
                type="Training\Sales\Plugin\CustomerLoginPostPlugin" sortOrder="20"/>
    </type>
</config>

app/code/Training/Sales/etc/webapi_rest/di.xml

<?xml version="1.0" ?>
<!--
/**
 * Copyright &copy; Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <!-- A plugin that executes when the REST API is used OR when the Luma frontend places an order -->
    <type name="Magento\Sales\Model\Order">
        <plugin name="rest-training-sales-add-logging" type="Training\Sales\Plugin\RestAddLoggingAfterOrderPlacePlugin"/>
    </type>
</config>

app/code/Training/Sales/Plugin/AdminAddLoggingAfterOrderPlacePlugin.php

<?php

declare(strict_types=1);

namespace Training\Sales\Plugin;

use Magento\Sales\Model\Order;
use Psr\Log\LoggerInterface;

/**
 *
 */
class AdminAddLoggingAfterOrderPlacePlugin
{

    /**
     * @var LoggerInterface
     */
    private LoggerInterface $logger;

    /**
     * @param LoggerInterface $logger
     */
    public function __construct(
        LoggerInterface $logger
    ) {
        $this->logger = $logger;
    }

    /**
     * Add log after an order is placed
     *
     * @param Order $subject
     * @param Order $result
     * @return Order
     */
    public function afterPlace(Order $subject, Order $result): Order
    {
        // Log this admin area order
        $this->logger->notice('An ADMIN User placed an Order - $' . $subject->getBaseTotalDue());
        return $result;
    }
}

app/code/Training/Sales/Plugin/CustomerLoginPostPlugin.php

<?php

declare(strict_types=1);

namespace Training\Sales\Plugin;

use Psr\Log\LoggerInterface;
use Magento\Framework\App\RequestInterface;

/**
 * Introduces Context information for ActionInterface of Customer Action
 */
class CustomerLoginPostPlugin
{

    /**
     * @var LoggerInterface
     */
    private LoggerInterface $logger;

    /**
     * @var RequestInterface
     */
    private RequestInterface $request;

    /**
     * @param LoggerInterface $logger
     * @param RequestInterface $request
     */
    public function __construct(LoggerInterface $logger, RequestInterface $request)
    {
        $this->logger = $logger;
        $this->request = $request;
    }

    /**
     * Simple example of a before Plugin on a public method in a Controller
     */
    public function beforeExecute()
    {
        $login = $this->request->getParam('login');
        $username = $login['username'];
        $this->logger->notice( "Login Post controller was used for " . $username );
    }
}

app/code/Training/Sales/Plugin/RestAddLoggingAfterOrderPlacePlugin.php

<?php

declare(strict_types=1);

namespace Training\Sales\Plugin;

use Magento\Sales\Model\Order;
use Psr\Log\LoggerInterface;

/**
 *
 */
class RestAddLoggingAfterOrderPlacePlugin
{

    /**
     * @var LoggerInterface
     */
    private LoggerInterface $logger;

    /**
     * @param LoggerInterface $logger
     */
    public function __construct(
        LoggerInterface $logger
    ) {
        $this->logger = $logger;
    }

    /**
     * Add log after an order is placed
     *
     * @param Order $subject
     * @param Order $result
     * @return Order
     */
    public function afterPlace(Order $subject, Order $result): Order
    {
        // Log this customer driven order
        $this->logger->notice('A Customer placed an Order for $' . $subject->getBaseTotalDue());
        return $result;
    }
}

Användbara resurser

recommendation-more-help
3a5f7e19-f383-4af8-8983-d01154c1402f