public static function PriceListItemImportForm::batchDeleteExisting in Commerce Pricelist 8.2

Batch operation to delete existing items from the price list.

Parameters

int $price_list_id: The price list ID.

array $context: The batch context.

File

src/Form/PriceListItemImportForm.php, line 263

Class

PriceListItemImportForm

Namespace

Drupal\commerce_pricelist\Form

Code

public static function batchDeleteExisting($price_list_id, array &$context) {
  $entity_type_manager = \Drupal::entityTypeManager();
  $price_list_storage = $entity_type_manager
    ->getStorage('commerce_pricelist');
  $price_list_item_storage = $entity_type_manager
    ->getStorage('commerce_pricelist_item');

  /** @var \Drupal\commerce_pricelist\Entity\PriceListInterface $price_list */
  $price_list = $price_list_storage
    ->load($price_list_id);
  $price_list_item_ids = $price_list
    ->getItemIds();
  if (empty($context['sandbox'])) {
    $context['sandbox']['delete_total'] = count($price_list_item_ids);
    $context['sandbox']['delete_count'] = 0;
    $context['results']['delete_count'] = 0;
  }
  $total_items = $context['sandbox']['delete_total'];
  $deleted =& $context['sandbox']['delete_count'];
  $remaining = $total_items - $deleted;
  $limit = (int) ($remaining < self::BATCH_SIZE) ? $remaining : self::BATCH_SIZE;
  if ($total_items == 0 || empty($price_list_item_ids)) {
    $context['finished'] = 1;
  }
  else {
    $price_list_item_ids = array_slice($price_list_item_ids, 0, $limit);
    $price_list_items = $price_list_item_storage
      ->loadMultiple($price_list_item_ids);
    $price_list_item_storage
      ->delete($price_list_items);
    $deleted = $deleted + $limit;
    $context['message'] = t('Deleting price @deleted of @total_items', [
      '@deleted' => $deleted,
      '@total_items' => $total_items,
    ]);
    $context['finished'] = $deleted / $total_items;
  }

  // Update the results for finishBatch().
  $context['results']['delete_count'] = $deleted;
}