commerce_multi_payment-8.x-1.x-dev/commerce_multi_payment.module

<?php

use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Render\Element;

/**
 * Implements hook_help().
 */
function commerce_multi_payment_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the commerce_multi_payment module.
    case 'help.page.commerce_multi_payment':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Allows multiple payments at checkout for supported payment gateways.') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_entity_type_build().
 */
function commerce_multi_payment_entity_type_build(array &$entity_types) {
  /** @var \Drupal\Core\Entity\ContentEntityType $commerce_payment */
  $entity_types['commerce_payment']->setListBuilderClass('Drupal\commerce_multi_payment\PaymentListBuilder');
}

function commerce_multi_payment_commerce_checkout_pane_info_alter(&$info) {
  $info['payment_process']['class'] = 'Drupal\commerce_multi_payment\Plugin\Commerce\CheckoutPane\MultiplePaymentProcess';
  $info['payment_process']['provider'] = 'commerce_multi_payment';
  $info['payment_process']['label'] = t('Payment process (with multiple payments support)');
}

/**
 * Implements hook_entity_base_field_info().
 */
function commerce_multi_payment_entity_base_field_info(EntityTypeInterface $entity_type) {
  if ($entity_type->id() == 'commerce_order') {
    $fields['staged_multi_payment'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Staged Payments'))
      ->setDescription(t('Multiple payments which are staged to be processed on the order.'))
      ->setCardinality(BaseFieldDefinition::CARDINALITY_UNLIMITED)
      ->setRequired(FALSE)
      ->setSetting('target_type', 'commerce_staged_multi_payment')
      ->setSetting('handler', 'default')
      ->setTranslatable(FALSE);

    return $fields;
  }
}

/**
 * Implements hook_theme().
 */
function commerce_multi_payment_theme() {
  return [
    'commerce_staged_multi_payment' => [
      'render element' => 'elements',
    ],
  ];
}


function template_preprocess_commerce_staged_multi_payment(&$variables) {
  /** @var \Drupal\commerce_multi_payment\Entity\StagedPaymentInterface $staged_payment */
  $staged_payment = $variables['elements']['#commerce_staged_multi_payment'];

  $variables['staged_payment_entity'] = $staged_payment;
  $payment_gateway_plugin = $staged_payment->getPaymentGateway()->getPlugin();
  $variables['staged_payment'] = [
    // The label is generated dynamically, so it's not present in 'elements'.
    'label' => [
      '#markup' => $payment_gateway_plugin->multiPaymentAdjustmentLabel($staged_payment),
    ],
    'amount' => $staged_payment->getAmount(),
  ];
  foreach (Element::children($variables['elements']) as $key) {
    $variables['staged_payment'][$key] = $variables['elements'][$key];
  }
}