FormHelper.php in Simple XML sitemap 4.x

Same filename and directory in other branches
Namespace

File

src/Form/FormHelper.php
View source
<?php

namespace Drupal\simple_sitemap\Form;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\simple_sitemap\Entity\EntityHelper;
use Drupal\simple_sitemap\Entity\SimpleSitemap;
use Drupal\simple_sitemap\Manager\Generator;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\simple_sitemap\Settings;

/**
 * Class FormHelper
 */
class FormHelper {
  use StringTranslationTrait;
  protected const PRIORITY_HIGHEST = 10;
  protected const PRIORITY_DIVIDER = 10;

  /**
   * @var \Drupal\simple_sitemap\Manager\Generator
   */
  protected $generator;

  /**
   * @var \Drupal\simple_sitemap\Entity\EntityHelper
   */
  protected $entityHelper;

  /**
   * @var \Drupal\Core\Session\AccountProxyInterface
   */
  protected $currentUser;

  /**
   * @var \Drupal\Core\Form\FormState
   */
  protected $formState;

  /**
   * @var string|null
   */
  protected $entityCategory;

  /**
   * @var string
   */
  protected $entityTypeId;

  /**
   * @var string
   */
  protected $bundleName;

  /**
   * @var string
   */
  protected $instanceId;

  /**
   * @var array
   */
  protected $bundleSettings;

  /**
   * @var \Drupal\simple_sitemap\Settings;
   */
  protected $settings;

  /**
   * @var array
   */
  protected static $allowedFormOperations = [
    'default',
    'edit',
    'add',
    'register',
  ];

  /**
   * @var array
   */
  protected static $changefreqValues = [
    'always',
    'hourly',
    'daily',
    'weekly',
    'monthly',
    'yearly',
    'never',
  ];
  protected static $cronIntervals = [
    1,
    3,
    6,
    12,
    24,
    48,
    72,
    96,
    120,
    144,
    168,
  ];

  /**
   * FormHelper constructor.
   *
   * @param \Drupal\simple_sitemap\Manager\Generator $generator
   * @param \Drupal\simple_sitemap\Settings $settings
   * @param \Drupal\simple_sitemap\Entity\EntityHelper $entityHelper
   * @param \Drupal\Core\Session\AccountProxyInterface $current_user
   */
  public function __construct(Generator $generator, Settings $settings, EntityHelper $entityHelper, AccountProxyInterface $current_user) {
    $this->generator = $generator;
    $this->settings = $settings;
    $this->entityHelper = $entityHelper;
    $this->currentUser = $current_user;
  }

  /**
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   * @return bool
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   *
   */
  public function processForm(FormStateInterface $form_state) : bool {
    $this->formState = $form_state;
    $this
      ->cleanUpFormInfo();
    if ($this
      ->getEntityDataFromFormEntity()) {
      $this
        ->negotiateSettings();
    }
    return $this
      ->supports();
  }

  /**
   * @param string|null $entity_category
   *
   * @return $this
   */
  public function setEntityCategory(?string $entity_category) : FormHelper {
    $this->entityCategory = $entity_category;
    return $this;
  }

  /**
   * @return null|string
   */
  public function getEntityCategory() : ?string {
    return $this->entityCategory;
  }

  /**
   * @param string|null $entity_type_id
   *
   * @return $this
   */
  public function setEntityTypeId(?string $entity_type_id) : FormHelper {
    $this->entityTypeId = $entity_type_id;
    return $this;
  }

  /**
   * @return string
   */
  public function getEntityTypeId() : ?string {
    return $this->entityTypeId;
  }

  /**
   * @param string|null $bundle_name
   *
   * @return $this
   */
  public function setBundleName(?string $bundle_name) : FormHelper {
    $this->bundleName = $bundle_name;
    return $this;
  }

  /**
   * @return string
   */
  public function getBundleName() : ?string {
    return $this->bundleName;
  }

  /**
   * @param string|null $instance_id
   *
   * @return $this
   */
  public function setInstanceId(?string $instance_id) : FormHelper {
    $this->instanceId = $instance_id;
    return $this;
  }

  /**
   * @return string
   */
  public function getInstanceId() : ?string {
    return $this->instanceId;
  }

  /**
   * @return bool
   */
  protected function supports() : bool {

    // Do not alter the form if it is irrelevant to sitemap generation.
    if (empty($this
      ->getEntityCategory())) {
      return FALSE;
    }

    // Do not alter the form if user lacks certain permissions.
    if (!$this->currentUser
      ->hasPermission('administer sitemap settings')) {
      return FALSE;
    }

    // Do not alter the form if entity is not enabled in sitemap settings.
    if (!$this->generator
      ->entityManager()
      ->entityTypeIsEnabled($this
      ->getEntityTypeId())) {
      return FALSE;
    }
    return TRUE;
  }

  /**
   * @return bool
   */
  public function entityIsNew() : bool {
    return empty($entity = $this
      ->getFormEntity()) || $entity
      ->isNew();
  }

  /**
   * @param array $form_fragment
   *
   * @return $this
   */
  public function displayRegenerateNow(array &$form_fragment) : FormHelper {
    $form_fragment['simple_sitemap_regenerate_now'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Regenerate all sitemaps after hitting <em>Save</em>'),
      '#description' => $this
        ->t('This setting will regenerate all sitemaps including the above changes.'),
      '#default_value' => FALSE,
    ];
    if ($this->settings
      ->get('cron_generate')) {
      $form_fragment['simple_sitemap_regenerate_now']['#description'] .= '<br>' . $this
        ->t('Otherwise the sitemaps will be regenerated during a future cron run.');
    }
    return $this;
  }

  /**
   * @return $this
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  public function negotiateSettings() : FormHelper {
    $this->bundleSettings = $this->generator
      ->setVariants(TRUE)
      ->entityManager()
      ->getBundleSettings($this
      ->getEntityTypeId(), $this
      ->getBundleName(), TRUE, TRUE);
    if ($this
      ->getEntityCategory() === 'instance') {

      //todo Should spit out variant => settings and not just settings; to do this, alter getEntityInstanceSettings() to include 'multiple variants' option.
      foreach ($this->bundleSettings as $variant_id => $settings) {
        if (NULL !== ($instance_id = $this
          ->getInstanceId())) {
          $this->bundleSettings[$variant_id] = $this->generator
            ->setVariants($variant_id)
            ->entityManager()
            ->getEntityInstanceSettings($this
            ->getEntityTypeId(), $instance_id);
        }
        $this->bundleSettings[$variant_id]['bundle_settings'] = $settings;
      }
    }
    return $this;
  }

  /**
   * @param $form_fragment
   * @return $this
   *
   * @todo Refactor.
   */
  public function displayEntitySettings(&$form_fragment) : FormHelper {
    $bundle_name = !empty($this
      ->getBundleName()) ? $this->entityHelper
      ->getBundleLabel($this
      ->getEntityTypeId(), $this
      ->getBundleName()) : $this
      ->t('undefined');
    $variants = SimpleSitemap::loadMultiple();
    $form_fragment['settings']['#markup'] = empty($variants) ? $this
      ->t('At least one sitemap needs to be defined for a bundle to be indexable.<br>Sitemaps can be configured <a href="@url">here</a>.', [
      '@url' => $GLOBALS['base_url'] . '/admin/config/search/simplesitemap',
    ]) : '<strong>' . $this
      ->t('Sitemaps') . '</strong>';
    foreach ($variants as $variant_id => $variant) {
      $form_fragment['settings'][$variant_id] = [
        '#type' => 'details',
        '#title' => '<em>' . $this
          ->t($variant
          ->label()) . '</em>',
        '#open' => !empty($this->bundleSettings[$variant_id]['index']),
      ];

      // Disable fields of entity instance whose bundle is not indexed.
      $form_fragment['settings'][$variant_id]['#disabled'] = $this
        ->getEntityCategory() === 'instance' && empty($this->bundleSettings[$variant_id]['bundle_settings']['index']);

      // Index
      $form_fragment['settings'][$variant_id]['index_' . $variant_id . '_' . $this
        ->getEntityTypeId() . '_settings'] = [
        '#type' => 'radios',
        '#default_value' => (int) $this->bundleSettings[$variant_id]['index'],
        '#options' => [
          $this
            ->getEntityCategory() === 'instance' ? $this
            ->t('Do not index this <em>@bundle</em> entity in variant <em>@variant_label</em>', [
            '@bundle' => $bundle_name,
            '@variant_label' => $this
              ->t($variant
              ->label()),
          ]) : $this
            ->t('Do not index entities of type <em>@bundle</em> in variant <em>@variant_label</em>', [
            '@bundle' => $bundle_name,
            '@variant_label' => $this
              ->t($variant
              ->label()),
          ]),
          $this
            ->getEntityCategory() === 'instance' ? $this
            ->t('Index this <em>@bundle entity</em> in variant <em>@variant_label</em>', [
            '@bundle' => $bundle_name,
            '@variant_label' => $this
              ->t($variant
              ->label()),
          ]) : $this
            ->t('Index entities of type <em>@bundle</em> in variant <em>@variant_label</em>', [
            '@bundle' => $bundle_name,
            '@variant_label' => $this
              ->t($variant
              ->label()),
          ]),
        ],
        '#attributes' => [
          'class' => [
            'enabled-for-variant',
            $variant_id,
          ],
        ],
      ];
      if ($this
        ->getEntityCategory() === 'instance' && isset($this->bundleSettings[$variant_id]['bundle_settings']['index'])) {
        $form_fragment['settings'][$variant_id]['index_' . $variant_id . '_' . $this
          ->getEntityTypeId() . '_settings']['#options'][(int) $this->bundleSettings[$variant_id]['bundle_settings']['index']] .= ' <em>(' . $this
          ->t('default') . ')</em>';
      }

      // Priority
      $form_fragment['settings'][$variant_id]['priority_' . $variant_id . '_' . $this
        ->getEntityTypeId() . '_settings'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Priority'),
        '#description' => $this
          ->getEntityCategory() === 'instance' ? $this
          ->t('The priority this <em>@bundle</em> entity will have in the eyes of search engine bots.', [
          '@bundle' => $bundle_name,
        ]) : $this
          ->t('The priority entities of this type will have in the eyes of search engine bots.'),
        '#default_value' => $this->bundleSettings[$variant_id]['priority'],
        '#options' => $this
          ->getPrioritySelectValues(),
        '#states' => [
          'visible' => [
            ':input[name="index_' . $variant_id . '_' . $this
              ->getEntityTypeId() . '_settings"]' => [
              'value' => 1,
            ],
          ],
        ],
      ];
      if ($this
        ->getEntityCategory() === 'instance' && isset($this->bundleSettings[$variant_id]['bundle_settings']['priority'])) {
        $form_fragment['settings'][$variant_id]['priority_' . $variant_id . '_' . $this
          ->getEntityTypeId() . '_settings']['#options'][$this
          ->formatPriority($this->bundleSettings[$variant_id]['bundle_settings']['priority'])] .= ' (' . $this
          ->t('default') . ')';
      }

      // Changefreq
      $form_fragment['settings'][$variant_id]['changefreq_' . $variant_id . '_' . $this
        ->getEntityTypeId() . '_settings'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Change frequency'),
        '#description' => $this
          ->getEntityCategory() === 'instance' ? $this
          ->t('The frequency with which this <em>@bundle</em> entity changes. Search engine bots may take this as an indication of how often to index it.', [
          '@bundle' => $bundle_name,
        ]) : $this
          ->t('The frequency with which entities of this type change. Search engine bots may take this as an indication of how often to index them.'),
        '#default_value' => isset($this->bundleSettings[$variant_id]['changefreq']) ? $this->bundleSettings[$variant_id]['changefreq'] : NULL,
        '#options' => $this
          ->getChangefreqSelectValues(),
        '#states' => [
          'visible' => [
            ':input[name="index_' . $variant_id . '_' . $this
              ->getEntityTypeId() . '_settings"]' => [
              'value' => 1,
            ],
          ],
        ],
      ];
      if ($this
        ->getEntityCategory() === 'instance' && isset($this->bundleSettings[$variant_id]['bundle_settings']['changefreq'])) {
        $form_fragment['settings'][$variant_id]['changefreq_' . $variant_id . '_' . $this
          ->getEntityTypeId() . '_settings']['#options'][$this->bundleSettings[$variant_id]['bundle_settings']['changefreq']] .= ' (' . $this
          ->t('default') . ')';
      }

      // Images
      $form_fragment['settings'][$variant_id]['include_images_' . $variant_id . '_' . $this
        ->getEntityTypeId() . '_settings'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Include images'),
        '#description' => $this
          ->getEntityCategory() === 'instance' ? $this
          ->t('Determines if images referenced by this <em>@bundle</em> entity should be included in the sitemap.', [
          '@bundle' => $bundle_name,
        ]) : $this
          ->t('Determines if images referenced by entities of this type should be included in the sitemap.'),
        '#default_value' => isset($this->bundleSettings[$variant_id]['include_images']) ? (int) $this->bundleSettings[$variant_id]['include_images'] : 0,
        '#options' => [
          $this
            ->t('No'),
          $this
            ->t('Yes'),
        ],
        '#states' => [
          'visible' => [
            ':input[name="index_' . $variant_id . '_' . $this
              ->getEntityTypeId() . '_settings"]' => [
              'value' => 1,
            ],
          ],
        ],
      ];
      if ($this
        ->getEntityCategory() === 'instance' && isset($this->bundleSettings[$variant_id]['bundle_settings']['include_images'])) {
        $form_fragment['settings'][$variant_id]['include_images_' . $variant_id . '_' . $this
          ->getEntityTypeId() . '_settings']['#options'][(int) $this->bundleSettings[$variant_id]['bundle_settings']['include_images']] .= ' (' . $this
          ->t('default') . ')';
      }
    }
    return $this;
  }

  /**
   * Checks if this particular form is a bundle form, or a bundle instance form
   * and gathers sitemap settings from the database.
   *
   * @return bool
   *   TRUE if this is a bundle or bundle instance form, FALSE otherwise.
   */
  protected function getEntityDataFromFormEntity() : bool {
    if (!($form_entity = $this
      ->getFormEntity())) {
      return FALSE;
    }
    $entity_type_id = $form_entity
      ->getEntityTypeId();
    $sitemap_entity_types = $this->entityHelper
      ->getSupportedEntityTypes();
    if (isset($sitemap_entity_types[$entity_type_id])) {
      $this
        ->setEntityCategory('instance');
    }
    else {

      /** @var \Drupal\Core\Entity\EntityType $sitemap_entity_type */
      foreach ($sitemap_entity_types as $sitemap_entity_type) {
        if ($sitemap_entity_type
          ->getBundleEntityType() === $entity_type_id) {
          $this
            ->setEntityCategory('bundle');
          break;
        }
      }
    }

    // Menu fix.
    $this
      ->setEntityCategory(NULL === $this
      ->getEntityCategory() && $entity_type_id === 'menu' ? 'bundle' : $this
      ->getEntityCategory());
    switch ($this
      ->getEntityCategory()) {
      case 'bundle':
        $this
          ->setEntityTypeId($this->entityHelper
          ->getBundleEntityTypeId($form_entity));
        $this
          ->setBundleName($form_entity
          ->id());
        $this
          ->setInstanceId(NULL);
        break;
      case 'instance':
        $this
          ->setEntityTypeId($entity_type_id);
        $this
          ->setBundleName($this->entityHelper
          ->getEntityInstanceBundleName($form_entity));

        // New menu link's id is '' instead of NULL, hence checking for empty.
        $this
          ->setInstanceId(!$this
          ->entityIsNew() ? $form_entity
          ->id() : NULL);
        break;
      default:
        return FALSE;
    }
    return TRUE;
  }

  /**
   * Gets the object entity of the form if available.
   *
   * @return \Drupal\Core\Entity\EntityBase|false
   *   Entity or FALSE if non-existent or if form operation is
   *   'delete'.
   */
  protected function getFormEntity() {
    $form_object = $this->formState
      ->getFormObject();
    if (NULL !== $form_object && method_exists($form_object, 'getOperation') && method_exists($form_object, 'getEntity') && in_array($form_object
      ->getOperation(), self::$allowedFormOperations, TRUE)) {
      return $form_object
        ->getEntity();
    }
    return FALSE;
  }

  /**
   * Removes gathered form information from service object.
   *
   * Needed because this service may contain form info from the previous
   * operation when revived from the container.
   *
   * @return $this
   */
  public function cleanUpFormInfo() : FormHelper {
    $this->entityCategory = NULL;
    $this->entityTypeId = NULL;
    $this->bundleName = NULL;
    $this->instanceId = NULL;
    $this->bundleSettings = NULL;
    return $this;
  }

  /**
   * Checks if simple_sitemap values have been changed after submitting the form.
   * To be used in an entity form submit.
   *
   * @param $form
   * @param array $values
   *
   * @return bool
   *   TRUE if simple_sitemap form values have been altered by the user.
   *
   * @todo Make it work with variants.
   */
  public function valuesChanged($form, array $values) : bool {

    //    foreach (self::$valuesToCheck as $field_name) {
    //      if (!isset($form['simple_sitemap'][$field_name]['#default_value'])
    //        || (isset($values[$field_name]) && $values[$field_name] != $form['simple_sitemap'][$field_name]['#default_value'])) {
    //        return TRUE;
    //      }
    //    }
    //
    //    return FALSE;
    return TRUE;
  }

  /**
   * Gets the values needed to display the priority dropdown setting.
   *
   * @return array
   */
  public function getPrioritySelectValues() : array {
    $options = [];
    foreach (range(0, self::PRIORITY_HIGHEST) as $value) {
      $value = $this
        ->formatPriority($value / self::PRIORITY_DIVIDER);
      $options[$value] = $value;
    }
    return $options;
  }

  /**
   * Gets the values needed to display the changefreq dropdown setting.
   *
   * @return array
   */
  public function getChangefreqSelectValues() : array {
    $options = [
      '' => $this
        ->t('- Not specified -'),
    ];
    foreach (self::getChangefreqOptions() as $setting) {
      $options[$setting] = $this
        ->t($setting);
    }
    return $options;
  }

  /**
   * @return array
   */
  public static function getChangefreqOptions() : array {
    return self::$changefreqValues;
  }

  /**
   * @param string $priority
   *
   * @return string
   */
  public function formatPriority(string $priority) : string {
    return number_format((double) $priority, 1, '.', '');
  }

  /**
   * @param string|int $priority
   * @return bool
   */
  public static function isValidPriority(string $priority) : bool {
    return is_numeric($priority) && $priority >= 0 && $priority <= 1;
  }

  /**
   * @param string $changefreq
   *
   * @return bool
   */
  public static function isValidChangefreq(string $changefreq) : bool {
    return in_array($changefreq, self::$changefreqValues, TRUE);
  }

  /**
   * @return array
   */
  public static function getCronIntervalOptions() : array {

    /** @var \Drupal\Core\Datetime\DateFormatter $formatter */
    $formatter = \Drupal::service('date.formatter');
    $intervals = array_flip(self::$cronIntervals);
    foreach ($intervals as $interval => &$label) {
      $label = $formatter
        ->formatInterval($interval * 60 * 60);
    }
    return [
      0 => t('On every cron run'),
    ] + $intervals;
  }

  /**
   * @return string
   */
  public static function getDonationText() : string {
    return '<div class="description">' . t('If you would like to say thanks and support the development of this module, a <a target="_blank" href="@url">donation</a> will be much appreciated.', [
      '@url' => 'https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=5AFYRSBLGSC3W',
    ]) . '</div>';
  }

}
Classes

Name	Description
FormHelper	Class FormHelper
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FormHelper.php in Simple XML sitemap 4.x

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