How to access a model via URL?

[catalinsen1956]

I try to make an SMS form block for Magento2. Until now, I used the Magento\Sales\Block\Adminhtml\Order\View\History as a guide on how to implement it. I am almost there, but I cannot mimic the getUrl function for my custom button. I tried overriding the order model but no luck calling my function.

inside Vendor\Module\Block\Adminhtml\Order\View\Sendsms.php I have

<?php

namespace Vendor\Module\Block\Adminhtml\Order\View;

use Magento\Sales\Model\Order;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Controller\ResultFactory;
use Magento\Shipping\Helper\Data as ShippingHelper;
use Magento\Tax\Helper\Data as TaxHelper;

class SendSMS extends \Magento\Backend\Block\Widget
{
    /**
     * Core registry
     *
     * @var \Magento\Framework\Registry
     */
    protected $_coreRegistry = null;

    /**
     * Admin helper
     *
     * @var \Magento\Sales\Helper\Admin
     */
    protected $_adminHelper;

    /**
     * @param \Magento\Backend\Block\Template\Context $context
     * @param \Magento\Framework\Registry $registry
     * @param \Magento\Sales\Helper\Admin $adminHelper
     * @param array $data
     * @param ShippingHelper|null $shippingHelper
     * @param TaxHelper|null $taxHelper
     */
    public function __construct(        \Magento\Backend\Block\Template\Context $context,
        \Magento\Framework\Registry $registry,
        \Magento\Sales\Helper\Admin $adminHelper,
        array $data = [],
        ?ShippingHelper $shippingHelper = null,
        ?TaxHelper $taxHelper = null
    ) {
        $this->_adminHelper = $adminHelper;
        $this->_coreRegistry = $registry;
        $data['shippingHelper'] = $shippingHelper ?? ObjectManager::getInstance()->get(ShippingHelper::class);
        $data['taxHelper'] = $taxHelper ?? ObjectManager::getInstance()->get(TaxHelper::class);
        parent::__construct($context, $data);
    }

    /**
     * Preparing global layout
     *
     * @return $this
     */
    protected function _prepareLayout()
    {
        $onclick = "submitAndReloadArea($('order_sendsms').parentNode, '" . $this->getSubmitUrl() . "')";
        $button = $this->getLayout()->createBlock(
            \Magento\Backend\Block\Widget\Button::class
        )->setData(
            ['label' => __('Send'), 'class' => 'action-save action-secondary', 'onclick' => $onclick]
        );
        $this->setChild('submit_button', $button);
        return parent::_prepareLayout();
    }

    /**
     * Submit URL getter
     *
     * @return string
     */
    public function getSubmitUrl()
    {
        return $this->getUrl('sales/*/idk', ['order_id' => $this->getOrder()->getId()]);
    }
}

Inside etc/di.xml I have

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
   <preference for="Magento\Sales\Model\Order" type="Vendor\Module\Model\Order" />
</config>

And Inside Vendor\Module\Model\Order.php I have

<?php namespace Vendor\Module\Model;

class Order extends \Magento\Sales\Model\Order
{
    public function idk()
    {
        error_log("idk");
    }
}

I skipped phtml files because they are working as expected. My "idk" function is never called. Any help?

[Sanjay Jethva · Accepted solution]

@catalinsen1956 

Replace "sales" with your router name and inside your Controller/Index/Idk.php action file in getSubmitUrl() of SendSms.php file 

add

Magento\Sales\Model\Order

as dependency injection and call idk() from an object of injected sales order class

[catalinsen1956]

I don't understand the last part. My goal is to call a function in PHP when someone clicks a button

[catalinsen1956]

And I want to be able to get the data a user added inside my custom block

[catalinsen1956]

Just ignore me. I forgot about the controller