commerce_license-8.x-2.x-dev/commerce_license.module

<?php

/**
 * @file
 * Contains commerce_license.module.
 */

use Drupal\commerce_license\FormAlter\GrantedEntityFormAlter;
use Drupal\Core\Entity\EntityFormInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Session\AccountInterface;

/**
 * Implements hook_help().
 */
function commerce_license_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the commerce_license module.
    case 'help.page.commerce_license':
      $output = '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('License entities and product behavior') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_entity_bundle_field_info_alter().
 */
function commerce_license_entity_bundle_field_info_alter(&$fields, EntityTypeInterface $entity_type, $bundle) {
  // Add constraints to product variations which use subscription licenses.
  if ($entity_type->id() === 'commerce_product_variation') {
    if (!empty($fields['subscription_type'])) {
      // Add a constraint to the subscription_type field to ensure that our
      // license subscription type can only be used when the license trait is
      // also present on the product variation entity.
      $fields['subscription_type']->addConstraint('LicenseSubscriptionType', []);
    }
    if (!empty($fields['license_expiration'])) {
      // Add a constraint to the expiration_type field to ensure that when a
      // subscription is used, the expiration is set to 'unlimited'.
      $fields['license_expiration']->addConstraint('LicenseExpirationTypeWithSubscription', []);
    }
  }
}

/**
 * Implements hook_ENTITY_TYPE_delete() for commerce_order_item.
 */
function commerce_license_commerce_order_item_delete(EntityInterface $entity) {
  /** @var \Drupal\commerce_order\Entity\OrderItemInterface $entity */
  // Delete licenses for order items which are removed from a cart.
  // Only act on order items with the license field.
  if (!$entity->hasField('license') || $entity->get('license')->isEmpty()) {
    return;
  }

  // Only act if there is a license.
  if (empty($entity->license->entity)) {
    return;
  }

  // Only act if the order is in draft. If the order is being edited when
  // complete, the license is probably active.
  $order = $entity->getOrder();
  if ($order) {
    $order_state = $order->getState()->getId();
    if ($order_state !== 'draft') {
      return;
    }
  }
  else {
    // The order was deleted.
    return;
  }

  /** @var \Drupal\commerce_license\Entity\LicenseInterface $license */
  $license = $entity->get('license')->entity;
  if ($license->getState()->getId() === 'renewal_in_progress') {
    // Already active license was chosen to renew.
    // Need to put it back in 'active' state.
    // But directly setting 'active' state
    // will be caught by License::preSave() and extend its expiry time!
    // So, first put it into 'renewal_cancelled' state,
    // then to 'active'.
    $license->getState()->applyTransitionById('cancel_renewal');
    $license->save();

    $license->getState()->applyTransitionById('confirm');
    $license->save();
  }
  // If this is the originating order, then delete the license.
  elseif ($license->getOriginatingOrderId() === $order->id()) {
    // Delete the license.
    $license->delete();
  }
}

/**
 * Implements hook_form_alter().
 */
function commerce_license_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $form_object = $form_state->getFormObject();

  if ($form_object instanceof EntityFormInterface) {
    $form_alter = new GrantedEntityFormAlter($form_state->getFormObject()->getEntity(), \Drupal::service('entity_type.manager')->getStorage('commerce_license'));
    $form_alter->formAlter($form, $form_state, $form_id);
  }
}

/**
 * Implements hook_form_BASE_FORM_ID_alter() for 'commerce_product_variation_type_form'.
 */
function commerce_license_form_commerce_product_variation_type_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  /** @var \Drupal\commerce_license\FormAlter\FormAlterInterface $form_alter */
  $form_alter = \Drupal::service('commerce_license.product_variation_type_form_alter');
  $form_alter->alterForm($form, $form_state, $form_id);
}

/**
 * Implements hook_field_widget_single_element_form_alter().
 *
 * @see \Drupal\commerce_license\FormAlter\ProductVariationTypeFormAlter::formAlter()
 */
function commerce_license_field_widget_single_element_form_alter(&$element, FormStateInterface $form_state, $context) {
  /** @var \Drupal\Core\Field\FieldDefinitionInterface $field_definition */
  $field_definition = $context['items']->getFieldDefinition();
  $field_name = $field_definition->getName();
  $entity_type_id = $field_definition->getTargetEntityTypeId();

  if ($field_name === 'license_type' && $entity_type_id === 'commerce_product_variation') {
    // If the plugin ID form element doesn't have an '#options' key, then we
    // can't remove the plugins that should not be allowed here, either because
    // the widget for this field has been changed by an admin, or because the
    // code for the commerce_plugin_item field type widgets has been changed.
    // In which case, just crash rather than allowing access to a license type
    // that shouldn't be allowed. License types can escalate a user's privileges
    // on the site, and so granting license that shouldn't be allowed is a
    // security risk.
    if (!isset($element['target_plugin_id']['#options'])) {
      throw new \RuntimeException('Unable to change the plugin type options on the license_type field on the commerce_product_variation. Check the field widget type.');
    }

    // Get the allowed license types for this product variation type.
    $bundle_name = $field_definition->getTargetBundle();
    $product_variation_type = \Drupal::entityTypeManager()->getStorage('commerce_product_variation_type')->load($bundle_name);
    $license_types = $product_variation_type->getThirdPartySetting('commerce_license', 'license_types') ?: [];

    // If there's no license type restrictions defined, we allow all types.
    if ($license_types) {
      $default_value = $element['target_plugin_id']['#default_value'];
      // Ensure we don't remove the default value from the options, in case
      // the product variation references a license type that's no longer
      // "allowed".
      if (!isset($license_types[$default_value])) {
        $license_types[$default_value] = $default_value;
      }

      // Remove plugin IDs from the options array.
      $element['target_plugin_id']['#options'] = array_intersect_key(
        $element['target_plugin_id']['#options'],
        $license_types
      );
    }
  }
}

/**
 * Implements hook_theme().
 */
function commerce_license_theme() {
  return [
    'commerce_license' => [
      'render element' => 'elements',
      'file' => 'commerce_license.page.inc',
      'template' => 'commerce_license',
    ],
    'commerce_license_edit_form' => [
      'render element' => 'form',
    ],
    'commerce_license_expire' => [
      'variables' => [
        'license_entity' => NULL,
        'purchased_entity' => NULL,
        // Needs to be its own parameter, as toUrl() is not whitelisted for
        // Twig.
        // @todo remove when http://www.drupal.org/project/drupal/issues/2907810
        // is fixed.
        'purchased_entity_url' => '',
      ],
    ],
    'commerce_license_status_report_grouped' => [
      'variables' => [
        'grouped_requirements' => NULL,
      ],
    ],
  ];
}

/**
 * Implements hook_theme_suggestions_HOOK().
 */
function commerce_license_theme_suggestions_commerce_license(array $variables) {
  $suggestions = [];
  $entity = $variables['elements']['#commerce_license'];
  $sanitized_view_mode = str_replace('.', '_', $variables['elements']['#view_mode']);

  $suggestions[] = 'commerce_license__' . $sanitized_view_mode;
  $suggestions[] = 'commerce_license__' . $entity->bundle();
  $suggestions[] = 'commerce_license__' . $entity->bundle() . '__' . $sanitized_view_mode;
  $suggestions[] = 'commerce_license__' . $entity->id();
  $suggestions[] = 'commerce_license__' . $entity->id() . '__' . $sanitized_view_mode;
  return $suggestions;
}

/**
 * Implements hook_theme_suggestions_HOOK().
 */
function commerce_license_theme_suggestions_commerce_license_expire(array $variables) {
  $suggestions = [];

  $license_entity = $variables['license_entity'];

  // @todo This works in themes, but not for a template within this module,
  // apparently because of a core bug.
  $suggestions[] = 'commerce_license_expire__' . $license_entity->bundle();

  return $suggestions;
}

/**
 * Gets the timezone for the given user.
 *
 * Helper function equivalent to drupal_get_user_timezone() but accepting
 * an arbitrary user object as a parameter, rather than assuming the
 * current user.
 *
 * @param \Drupal\Core\Session\AccountInterface $user
 *   A user account.
 *
 * @return string
 *   The timezone name.
 */
function commerce_license_get_user_timezone(AccountInterface $user): string {
  $config = \Drupal::config('system.date');
  if ($config->get('timezone.user.configurable') && $user->isAuthenticated() && $user->getTimezone()) {
    return $user->getTimezone();
  }

  // Ignore PHP strict notice if time zone has not yet been set in the php.ini
  // configuration.
  $config_data_default_timezone = $config->get('timezone.default');
  return !empty($config_data_default_timezone) ? $config_data_default_timezone : @date_default_timezone_get();
}

/**
 * Implements hook_cron().
 */
function commerce_license_cron() {
  \Drupal::service('commerce_license.cron')->run();
}

/**
 * Implements hook_mail().
 */
function commerce_license_mail($key, &$message, $params) {
  if (isset($params['headers'])) {
    $message['headers'] = array_merge($message['headers'], $params['headers']);
  }

  $message['from'] = $params['from'];
  $message['subject'] = $params['subject'];
  $message['body'][] = $params['body'];
}