public function CouponRedemption::buildInlineForm in Commerce Core 8.2

Builds the inline form.

Parameters

array $inline_form: The inline form, containing the following basic properties:

• #parents: Identifies the location of the field values in $form_state.

\Drupal\Core\Form\FormStateInterface $form_state: The form state of the complete form.

Return value

array The built inline form.

Overrides InlineFormBase::buildInlineForm

File

modules/promotion/src/Plugin/Commerce/InlineForm/CouponRedemption.php, line 83

Class

CouponRedemption

Provides an inline form for redeeming a coupon.

Namespace

Drupal\commerce_promotion\Plugin\Commerce\InlineForm

Code

public function buildInlineForm(array $inline_form, FormStateInterface $form_state) {
  $inline_form = parent::buildInlineForm($inline_form, $form_state);
  $order = $this->entityTypeManager
    ->getStorage('commerce_order')
    ->load($this->configuration['order_id']);
  if (!$order) {
    throw new \RuntimeException('Invalid order_id given to the coupon_redemption inline form.');
  }
  assert($order instanceof OrderInterface);

  /** @var \Drupal\commerce_promotion\Entity\CouponInterface[] $coupons */
  $coupons = $order
    ->get('coupons')
    ->referencedEntities();
  $inline_form = [
    '#tree' => TRUE,
    '#attached' => [
      'library' => [
        'commerce_promotion/coupon_redemption_form',
      ],
    ],
    '#theme' => 'commerce_coupon_redemption_form',
    '#configuration' => $this
      ->getConfiguration(),
  ] + $inline_form;
  $inline_form['code'] = [
    '#type' => 'textfield',
    '#title' => $this
      ->t('Coupon code'),
    // Chrome autofills this field with the address line 1, and ignores
    // autocomplete => 'off', but respects 'new-password'.
    '#attributes' => [
      'autocomplete' => 'new-password',
    ],
  ];
  $inline_form['apply'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Apply coupon'),
    '#name' => 'apply_coupon',
    '#limit_validation_errors' => [
      $inline_form['#parents'],
    ],
    '#submit' => [
      [
        get_called_class(),
        'applyCoupon',
      ],
    ],
    '#ajax' => [
      'callback' => [
        get_called_class(),
        'ajaxRefreshForm',
      ],
      'element' => $inline_form['#parents'],
    ],
  ];
  $max_coupons = $this->configuration['max_coupons'];
  if ($max_coupons && count($coupons) >= $max_coupons) {

    // Don't allow additional coupons to be added.
    $inline_form['code']['#access'] = FALSE;
    $inline_form['apply']['#access'] = FALSE;
  }
  foreach ($coupons as $index => $coupon) {
    $inline_form['coupons'][$index]['code'] = [
      '#plain_text' => $coupon
        ->getCode(),
    ];
    $inline_form['coupons'][$index]['display_name'] = [
      // @todo Use the promotion display name once added.
      '#plain_text' => $coupon
        ->getPromotion()
        ->label(),
    ];
    $inline_form['coupons'][$index]['remove_button'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Remove coupon'),
      '#name' => 'remove_coupon_' . $index,
      '#ajax' => [
        'callback' => [
          get_called_class(),
          'ajaxRefreshForm',
        ],
        'element' => $inline_form['#parents'],
      ],
      '#weight' => 50,
      '#limit_validation_errors' => [
        $inline_form['#parents'],
      ],
      '#coupon_id' => $coupon
        ->id(),
      '#submit' => [
        [
          get_called_class(),
          'removeCoupon',
        ],
      ],
      // Simplify ajaxRefresh() by having all triggering elements
      // on the same level.
      '#parents' => array_merge($inline_form['#parents'], [
        'remove_coupon_' . $index,
      ]),
    ];
  }
  return $inline_form;
}