CartForm.php in Basic cart 8.0

Namespace

Drupal\basic_cart\Form

File

src/Form/CartForm.php

<?php

namespace Drupal\basic_cart\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\basic_cart\Utility;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Url;
use Drupal\Core\Link;
class CartForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'basic_cart_cart_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['#theme'] = 'cart_form';
    $cart = Utility::getCart();
    $config = Utility::cartSettings();
    $langcode = \Drupal::languageManager()
      ->getCurrentLanguage()
      ->getId();
    $price = Utility::getTotalPrice();
    $total = Utility::formatPrice($price->total);
    $vat_is_enabled = (int) $config
      ->get('vat_state');
    $vat_value = !empty($vat_is_enabled) && $vat_is_enabled ? Utility::formatPrice($price->vat) : 0;

    // And now the form.
    $form['cartcontents'] = array(
      // Make the returned array come back in tree form.
      '#tree' => TRUE,
    );

    // Cart elements.
    foreach ($cart['cart_quantity'] as $nid => $quantity) {
      $variable = Utility::quantityPrefixData($nid);
      $form['cartcontents'][$nid] = array(
        '#type' => $config
          ->get('quantity_status') ? 'textfield' : 'markup',
        '#size' => 2,
        '#quantity_id' => $nid,
        "#suffix" => Utility::render('basic-cart-quantity-suffix.html.twig', $variable),
        "#prefix" => Utility::render('basic-cart-quantity-prefix.html.twig', $variable),
        '#default_value' => $quantity,
      );
    }
    $form['total_price'] = array(
      '#markup' => Utility::render('total-price-markup.html.twig', Utility::getTotalPriceMarkupData()),
    );

    // Buttons.
    $form['buttons'] = array(
      '#tree' => TRUE,
    );
    $form['buttons']['update'] = array(
      '#type' => 'submit',
      '#value' => t($config
        ->get('cart_update_button')),
      '#name' => "update",
    );
    if ($config
      ->get('order_status')) {
      $form['buttons']['checkout'] = array(
        '#type' => 'submit',
        '#value' => t('Checkout'),
        '#name' => "checkout",
      );
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $config = Utility::cartSettings();
    if ($config
      ->get('quantity_status')) {
      foreach ($form_state
        ->getValue('cartcontents') as $nid => $value) {
        $quantity = (int) $value;
        if ($quantity > 0) {
          $_SESSION['basic_cart']['cart_quantity'][$nid] = $quantity;
        }
        elseif ($quantity == 0) {
          unset($_SESSION['basic_cart']['cart'][$nid]);
          unset($_SESSION['basic_cart']['cart_quantity'][$nid]);
        }
      }
      Utility::cartUpdatedMessage();
    }
    $config = Utility::cartSettings();
    if ($config
      ->get('order_status') && $form_state
      ->getValue('checkout')) {
      $url = new Url('basic_cart.checkout');
      $form_state
        ->setRedirectUrl($url);
    }
  }

}

Classes

Name	Description
CartForm