Integrating the Invoice Secured B2C payment method for Heidelpay

$config[HeidelpayConstants::CONFIG_HEIDELPAY_TRANSACTION_CHANNEL_INVOICE_SECURED_B2C] = ''; //You can use public test account for testing with channel `31HA07BC8142C5A171749A60D979B6E4` but replace it with real one when you go live. Config should be taken from Heidelpay.

$config[OmsConstants::PROCESS_LOCATION] = [
	...
	APPLICATION_ROOT_DIR . '/vendor/spryker-eco/heidelpay/config/Zed/Oms',
];

$config[OmsConstants::ACTIVE_PROCESSES] = [
	...
	'HeidelpayInvoiceSecuredB2c01',
];
$config[SalesConstants::PAYMENT_METHOD_STATEMACHINE_MAPPING] = [
	...
	HeidelpayConfig::PAYMENT_METHOD_INVOICE_SECURED_B2C => 'HeidelpayInvoiceSecuredB2c01',
];

<?php

namespace Pyz\Yves\CheckoutPage;

use Spryker\Yves\Kernel\Container;
use Spryker\Yves\StepEngine\Dependency\Plugin\Form\SubFormPluginCollection;
use Spryker\Yves\StepEngine\Dependency\Plugin\Handler\StepHandlerPluginCollection;
use SprykerEco\Shared\Heidelpay\HeidelpayConfig;
use SprykerEco\Yves\Heidelpay\Plugin\HeidelpayHandlerPlugin;
use SprykerEco\Yves\Heidelpay\Plugin\Subform\HeidelpayInvoiceSecuredB2cSubFormPlugin;
use SprykerShop\Yves\CheckoutPage\CheckoutPageDependencyProvider as SprykerShopCheckoutPageDependencyProvider;

class CheckoutPageDependencyProvider extends SprykerShopCheckoutPageDependencyProvider
{
	/**
	 * @param \Spryker\Yves\Kernel\Container $container
	 *
	 * @return \Spryker\Yves\Kernel\Container
	 */
	public function provideDependencies(Container $container)
	{
		$container = parent::provideDependencies($container);
		$container = $this->extendSubFormPluginCollection($container);
		$container = $this->extendPaymentMethodHandler($container);

		return $container;
	}

	...

	/**
	 * @param \Spryker\Yves\Kernel\Container $container
	 *
	 * @return \Spryker\Yves\Kernel\Container
	 */
	protected function extendSubFormPluginCollection(Container $container): Container
	{
		$container->extend(static::PAYMENT_SUB_FORMS, function (SubFormPluginCollection $subFormPluginCollection) {
			...
			$subFormPluginCollection->add(new HeidelpayInvoiceSecuredB2cSubFormPlugin());

			return $subFormPluginCollection;
		});

		return $container;
	}

	/**
	 * @param \Spryker\Yves\Kernel\Container $container
	 *
	 * @return \Spryker\Yves\Kernel\Container
	 */
	protected function extendPaymentMethodHandler(Container $container): Container
	{
		$container->extend(static::PAYMENT_METHOD_HANDLER, function (StepHandlerPluginCollection $stepHandlerPluginCollection) {
			...
			$stepHandlerPluginCollection->add(new HeidelpayHandlerPlugin(), HeidelpayConfig::PAYMENT_METHOD_INVOICE_SECURED_B2C);

			return $stepHandlerPluginCollection;
		});

		return $container;
	}
}

...
{% define data = {
	backUrl: _view.previousStepUrl,
	forms: {
		payment: _view.paymentForm
	},

	title: 'checkout.step.payment.title' | trans,
	customForms: {
		...
		'heidelpay/invoice-secured-b2c': ['invoice-secured-b2c', 'heidelpay'],
	}
} %}
...

<?php

namespace Pyz\Zed\Oms;

use Spryker\Zed\Kernel\Container;
use Spryker\Zed\Oms\Dependency\Plugin\Command\CommandCollectionInterface;
use Spryker\Zed\Oms\Dependency\Plugin\Condition\ConditionCollectionInterface;
use Spryker\Zed\Oms\OmsDependencyProvider as SprykerOmsDependencyProvider;
use SprykerEco\Zed\Heidelpay\Communication\Plugin\Checkout\Oms\Condition\IsAuthorizationFailedPlugin;
use SprykerEco\Zed\Heidelpay\Communication\Plugin\Checkout\Oms\Condition\IsAuthorizationFinishedPlugin;
use SprykerEco\Zed\Heidelpay\Communication\Plugin\Checkout\Oms\Condition\IsFinalizingFailedPlugin;
use SprykerEco\Zed\Heidelpay\Communication\Plugin\Checkout\Oms\Condition\IsFinalizingFinishedPlugin;
use SprykerEco\Zed\Heidelpay\Communication\Plugin\Checkout\Oms\Condition\IsOrderPaidPlugin;


class OmsDependencyProvider extends SprykerOmsDependencyProvider
{
	/**
	 * @param \Spryker\Zed\Kernel\Container $container
	 *
	 * @return \Spryker\Zed\Kernel\Container
	 */
	public function provideBusinessLayerDependencies(Container $container)
	{
		$container = parent::provideBusinessLayerDependencies($container);
		$container = $this->extendConditionPlugins($container);

		return $container;
	}

	/**
	 * @param \Spryker\Zed\Kernel\Container $container
	 *
	 * @return \Spryker\Zed\Kernel\Container
	 */
	protected function extendConditionPlugins(Container $container): Container
	{
		$container->extend(OmsDependencyProvider::CONDITION_PLUGINS, function (ConditionCollectionInterface $conditionCollection) {
			...
			$conditionCollection->add(new IsAuthorizationFinishedPlugin(), 'Heidelpay/IsAuthorizationFinished');
			$conditionCollection->add(new IsAuthorizationFailedPlugin(), 'Heidelpay/IsAuthorizationFailed');
			$conditionCollection->add(new IsFinalizingFinishedPlugin(), 'Heidelpay/IsFinalizingFinished');
			$conditionCollection->add(new IsFinalizingFailedPlugin(), 'Heidelpay/IsFinalizingFailed');
			$conditionCollection->add(new IsOrderPaidPlugin(), 'Heidelpay/IsOrderPaid');

			return $conditionCollection;
		});

		return $container;
	}
}