/**
  * Default method to create a shipment from packages.
  *
  * @param \Drupal\uc_order\OrderInterface $uc_order
  *   The order object.
  * @param \Symfony\Component\HttpFoundation\Request $request
  *   The request.
  *
  * @return array|\Symfony\Component\HttpFoundation\RedirectResponse
  *   A render array, or a redirect response if there are selected packages.
  */
 public function makeShipment(OrderInterface $uc_order, Request $request)
 {
     $method_id = $request->query->get('method_id');
     $request->query->remove('method_id');
     $package_ids = $request->query->all();
     if (count($package_ids) > 0) {
         //      $breadcrumb = drupal_get_breadcrumb();
         //      $breadcrumb[] = Link::createFromRoute($this->t('Shipments'), 'uc_fulfillment.shipments', ['uc_order' => $uc_order->id()]);
         //      drupal_set_breadcrumb($breadcrumb);
         // Find FulfillmentMethod plugins.
         $manager = \Drupal::service('plugin.manager.uc_fulfillment.method');
         $methods = FulfillmentMethod::loadMultiple();
         if (isset($methods[$method_id])) {
             $method = $methods[$method_id];
         } else {
             // The selected fulfullment isn't available, so use built-in "Manual" shipping.
             $method = $methods['manual'];
         }
         $plugin = $manager->createInstance($method->getPluginId(), $method->getPluginConfiguration());
         return $plugin->fulfillOrder($uc_order, $package_ids);
     } else {
         drupal_set_message($this->t('There is no sense in making a shipment with no packages on it, right?'), 'warning');
         return $this->redirect('uc_fulfillment.new_shipment', ['uc_order' => $uc_order->id()]);
     }
 }
 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state, OrderInterface $uc_order = NULL, Request $request = NULL)
 {
     $checked_pkgs = $request->query->has('pkgs') ? (array) $request->query->get('pkgs') : array();
     $form['#tree'] = TRUE;
     $form['#attached']['library'][] = 'uc_fulfillment/uc_fulfillment.scripts';
     $units = \Drupal::config('uc_store.settings')->get('weight.units');
     $result = db_query('SELECT * FROM {uc_packages} WHERE order_id = :id AND sid IS NULL', [':id' => $uc_order->id()]);
     $header = array(array('data' => '', 'class' => array('select-all')), 'package' => $this->t('Package'), 'product' => $this->t('Products'), 'weight' => $this->t('Weight'));
     $packages_by_type = array();
     foreach ($result as $package) {
         $products = array();
         $weight = 0;
         $result2 = db_query('SELECT pp.order_product_id, pp.qty, pp.qty * op.weight__value AS weight, op.weight__units, op.title, op.model FROM {uc_packaged_products} pp LEFT JOIN {uc_order_products} op ON op.order_product_id = pp.order_product_id WHERE pp.package_id = :id', [':id' => $package->package_id]);
         foreach ($result2 as $product) {
             $units_conversion = uc_weight_conversion($product->weight__units, $units);
             $weight += $product->weight * $units_conversion;
             $products[$product->order_product_id] = $product;
         }
         $package->weight = $weight;
         $package->products = $products;
         $packages_by_type[$package->shipping_type][$package->package_id] = $package;
     }
     // Find FulfillmentMethod plugins.
     $methods = FulfillmentMethod::loadMultiple();
     uasort($methods, 'Drupal\\uc_fulfillment\\Entity\\FulfillmentMethod::sort');
     foreach ($methods as $method) {
         // Available fulfillment methods indexed by package type.
         $shipping_methods_by_type[$method->getPackageType()][] = $method;
     }
     $pkgs_exist = FALSE;
     $option_methods = array();
     $shipping_types = uc_quote_get_shipping_types();
     foreach ($packages_by_type as $shipping_type => $packages) {
         $form['shipping_types'][$shipping_type] = array('#type' => 'fieldset', '#title' => $shipping_types[$shipping_type]['title']);
         $rows = array();
         $form['shipping_types'][$shipping_type]['table'] = array('#type' => 'table', '#header' => $header, '#empty' => $this->t('There are no products available for this type of package.'));
         foreach ($packages as $package) {
             $pkgs_exist = TRUE;
             $row = array();
             $row['checked'] = array('#type' => 'checkbox', '#default_value' => in_array($package->package_id, $checked_pkgs) ? 1 : 0);
             $row['package_id'] = array('#markup' => $package->package_id);
             $product_list = array();
             foreach ($package->products as $product) {
                 $product_list[] = $product->qty . ' x ' . $product->model;
             }
             $row['products'] = array('#theme' => 'item_list', '#items' => $product_list);
             $row['weight'] = array('#markup' => uc_weight_format($package->weight, $units));
             $form['shipping_types'][$shipping_type]['table'][$package->package_id] = $row;
         }
         if (isset($shipping_methods_by_type[$shipping_type])) {
             foreach ($shipping_methods_by_type[$shipping_type] as $method) {
                 $option_methods += array($method->id() => $method->label());
             }
         }
     }
     $form['order_id'] = array('#type' => 'hidden', '#value' => $uc_order->id());
     if ($pkgs_exist) {
         // uc_fulfillment has a default plugin to provide the "Manual" method.
         $form['method'] = array('#type' => 'select', '#title' => $this->t('Shipping method'), '#options' => $option_methods, '#default_value' => 'manual');
         $form['actions'] = array('#type' => 'actions');
         $form['actions']['ship'] = array('#type' => 'submit', '#value' => $this->t('Ship packages'));
     }
     return $form;
 }