acquia_commercemanager-8.x-1.122/modules/acm_promotion/acm_promotion.module

<?php

/**
 * @file
 * Acquia Commerce promotions module file.
 *
 * Provides base hooks to the promotions functionality of Acquia Commerce
 * connector.
 */

use Drupal\acm_sku\Entity\SKU;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\node\Entity\Node;
use Drupal\node\NodeInterface;

/**
 * Implements hook_page_attachments().
 */
function acm_promotion_page_attachments(array &$page) {
  $nids = \Drupal::entityQuery('node')
    ->condition('type', 'acm_promotion')
    ->condition('status', NodeInterface::PUBLISHED)
    ->execute();

  $promo_nodes = Node::loadMultiple($nids);

  $always_on_promos = [];
  $promo_display_map = [];
  $sku_to_promo_map = [];

  // Provide an alter hook so other modules can change the display mode(s).
  $display_modes = acm_promotion_get_display_modes();

  foreach ($promo_nodes as $node) {
    $promo_code = $node->getTitle();

    // Populate the always on promotions to be added to localSession.
    if ($node->hasField('field_acm_promotion_always_on')) {
      $always_on_field = $node->get('field_acm_promotion_always_on')->getValue();
      $always_on = reset($always_on_field);

      if ($always_on['value'] === '1') {
        $always_on_promos[] = $promo_code;
      }
    }

    // Create a map of promo displays to fill in containers once the page loads.
    foreach (array_keys($display_modes) as $display_mode) {
      $render_array = \Drupal::entityTypeManager()
        ->getViewBuilder('node')
        ->view()($node, $display_mode);
      $promo_display_map[$promo_code][$display_mode] = \Drupal::service('renderer')->renderRoot($render_array);
    }

    if ($node->hasField('field_skus')) {
      $skus = $node->get('field_skus')->getValue();
      foreach ($skus as $skuValue) {
        if (empty($skuValue)) {
          continue;
        }
        $sku = $skuValue['value'];
        $sku_to_promo_map[$sku][] = $promo_code;
      }
    }
  }

  // Add JS that will look for always_on promos.
  $page['#attached']['library'][] = 'acm_promotion/acm_promotion';

  // Attach all necessary data that the promotion will need.
  $page['#attached']['drupalSettings']['acm_promotion']['always_on'] = $always_on_promos;
  $page['#attached']['drupalSettings']['acm_promotion']['promo_display_map'] = $promo_display_map;
  $page['#attached']['drupalSettings']['acm_promotion']['sku_to_promo_map'] = $sku_to_promo_map;

  // Load marketing link JS on all pages.
  $page['#attached']['library'][] = 'acm_promotion/acm_promotion_marketing_link';

  // Add JS that will handle promotion display loading.
  $page['#attached']['library'][] = 'acm_promotion/acm_promotion_content';
}

/**
 * Implements hook_node_view().
 */
function acm_promotion_node_view(array &$build, Node $node, EntityViewDisplayInterface $display, $view_mode) {

  if ($node->getType() !== 'acm_promotion') {
    return;
  }

  // Users with the proper permissions can view the nodes.
  $user = \Drupal::currentUser();
  if ($user->hasPermission('edit own acm_promotion content')
    || $user->hasPermission('edit any acm_promotion content')
  ) {
    return;
  }

  // We are assuming that this will only happen for the full display mode. End
  // users will not need access to the full display mode.
  if ($view_mode !== 'full') {
    return;
  }

  $promo_code = $node->getTitle();

  $callback_url = \Drupal::request()->query->get('callback');
  if (empty($callback_url)) {
    $callback_url = Url::fromRoute('<front>')->setAbsolute()->toString();
  }

  $build['#attached']['drupalSettings']['acm_promotion']['marketing_link'] = [
    'promo' => $promo_code,
    'callback' => $callback_url,
  ];
}

/**
 * Implements hook_ENTITY_TYPE_delete().
 */
function acm_promotion_node_delete(NodeInterface $node) {
  if ($node->bundle() == 'acm_promotion') {
    /* @var \Drupal\acm_promotion\AcmPromotionsManager $promotion_manager */
    $promotion_manager = \Drupal::service('acm_promotion.promotions_manager');
    // Get SKUs attached to the promotion node.
    $attached_promotion_skus = $promotion_manager->getSkusForPromotion($node);

    if (!empty($attached_promotion_skus)) {
      foreach ($attached_promotion_skus as $sku) {
        if (($sku_entity = SKU::loadFromSku($sku)) &&
          ($sku_entity instanceof SKU)) {
          $promotion_manager->removeOrphanPromotionFromSku($sku_entity, $node->id());
        }
      }
    }
  }
}

/**
 * Implements hook_form_alter().
 */
function acm_promotion_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  if ($form_id !== 'customer_cart_form') {
    return;
  }

  $form['coupon']['#attributes'] = [
    'id' => ['acm-promotion-coupon'],
  ];

  // Check the cart for coupons and cart rules and attach them so they can be
  // added to the session in JavaScript.
  $add_promos = [];
  $cart_storage = \Drupal::service('acm_cart.cart_storage');
  $cart = $cart_storage->getCartContents();

  if (!empty($cart->cart_rules)) {
    $add_promos = array_merge($add_promos, $cart->cart_rules);
  }

  $form['#attached']['library'][] = 'acm_promotion/acm_promotion_form';
  $form['#attached']['library'][] = 'acm_promotion/acm_promotion_add_promotions';
  $form['#attached']['drupalSettings']['acm_promotion']['add_promos'] = $add_promos;
}

/**
 * Gets the configured display modes for promotions.
 */
function acm_promotion_get_display_modes() {
  $display_modes = [
    'teaser' => t('Teaser'),
  ];

  // Provide an alter hook so other modules can change the display mode(s).
  \Drupal::moduleHandler()->alter('acm_promotion_display_modes', $display_modes);

  return $display_modes;
}

/**
 * Gets the configured container modes for promotions.
 */
function acm_promotion_get_container_modes() {
  $container_modes = [
    'always_on' => t('Always On'),
    'sku' => t('Sku'),
    'promotion' => t('Promotion'),
  ];

  // Provide an alter hook so other modules can change the container modes.
  \Drupal::moduleHandler()->alter('acm_promotion_container_modes', $container_modes);

  return $container_modes;
}