How not to use ObjectManager in phtml from template

magento.stackexchange https://magento.stackexchange.com/questions/300475

  •  28-03-2021
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Pergunta

First a bit of context, and at the end, my question

I added an EAV attribute to my customer. It's an attribute with multiple values, and I want to add it to the account information (for reasons).

I've made a module, added a source for my select element, observer, etc...

It's working ok.

Let's say it's in

app/code/MyCompany/MyEAVAttributeModule

I've got a custom theme, made by another team, in

app/design/frontend/ThemeTeam/ThemeInUse

To add my attribute to the register and edit form, I've added on the custom theme

app/design/frontend/ThemeTeam/ThemeInUse/Magento_Customer/templates/form/register.phtml

and

app/design/frontend/ThemeTeam/ThemeInUse/Magento_Customer/templates/form/edit.phtml

which are copies from

/vendor/magento/module-customer/view/frontend/templates/form/register.phtml and edit.phtml

And to get all my values to add a select element, I've added in the phtml

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$my_attributes = $objectManager->create('Magento\Eav\Model\Config')->getAttribute('customer', 'my_attribute');

if ($my_attributes->getSource()) {
    $my_attribute_list = $my_attributes->getSource()->getAllOptions();
}

and then a <select> and a foreach

It works, my attribute is shown, the value is saved.

Now, for my question :-)

To get all the values, I get an instance of ObjectManager at the begining of my phtml

I know it's wrong to do that, but I couldn't find another way.

So how to do it ?

I know I should make a function and use a Helper (which I read is not recommended) or perhaps use it in the Block ?

But where ? In the theme ? In my module ? Somewhere else ?

Thanks if you can guide me on this one !

Foi útil?

Solução

You should create a view model and inject it via DI. You can access the view model instance from within the template.

customer_account_edit.xml:

<?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="customer_edit">
            <arguments>
                <argument name="view_model" xsi:type="object">Vendor\Package\ViewModel\YourEavAttribute</argument>
            </arguments>
        </referenceBlock>
    </body>
</page>

EavAttribute.php:

<?php
/**
 * YourEavAttribute.php
 */
declare(strict_types=1);

namespace Vendor\Package\ViewModel;

use Magento\Eav\Model\Config;
use Magento\Framework\View\Element\Block\ArgumentInterface;

class YourEavAttribute implements ArgumentInterface
{
    /** @property Config $config */
    protected $config;

    /**
     * @param Config $config
     * @return void
     */
    public function __construct(
        Config $config
    ) {
        $this->config = $config;
    }

    /**
     * @return Config
     */
    public function getConfig(): Config
    {
        return $this->config;
    }
}

From inside your template:

$viewModel = $block->getViewModel();
$config = $viewModel->getConfig();
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