ModalPageService.php in Modal 4.1.x

Namespace

Drupal\modal_page\Service

File

src/Service/ModalPageService.php

<?php

namespace Drupal\modal_page\Service;

use Drupal\Component\Utility\Xss;
use Drupal\Component\Uuid\UuidInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\Core\Path\PathMatcherInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Symfony\Component\HttpFoundation\RequestStack;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\Core\Database\Connection;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Component\Utility\Html;
use Drupal\path_alias\AliasManagerInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Path\CurrentPathStack;

/**
 * Modal Page Service Class.
 */
class ModalPageService {
  use StringTranslationTrait;

  /**
   * The UUID service.
   *
   * @var \Drupal\Component\Uuid\UuidInterface
   */
  protected $uuidService;

  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Path Matcher.
   *
   * @var \Drupal\Core\Path\PathMatcherInterface
   */
  protected $pathMatcher;

  /**
   * The current request.
   *
   * @var \Symfony\Component\HttpFoundation\Request
   */
  protected $request;

  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * The database connection.
   *
   * @var \Drupal\Core\Database\Connection
   */
  protected $database;

  /**
   * The user current.
   *
   * @var \Drupal\Core\Session\AccountProxyInterface
   */
  protected $currentUser;

  /**
   * The path alias manager.
   *
   * @var \Drupal\path_alias\AliasManagerInterface
   */
  protected $aliasManager;

  /**
   * The current path.
   *
   * @var \Drupal\Core\Path\CurrentPathStack
   */
  protected $currentPath;

  /**
   * The project handler.
   *
   * @var \Drupal\Core\Extension\ProjectHandler
   */
  protected $projectHandler;

  /**
   * Construct of Modal Page service.
   */
  public function __construct(LanguageManagerInterface $language_manager, EntityTypeManagerInterface $entity_manager, ConfigFactoryInterface $config_factory, Connection $database, RequestStack $request_stack, PathMatcherInterface $path_matcher, UuidInterface $uuid_service, AccountProxyInterface $current_user, AliasManagerInterface $alias_manager, ModuleHandlerInterface $project_handler, CurrentPathStack $current_path) {
    $this->languageManager = $language_manager;
    $this->entityTypeManager = $entity_manager;
    $this->pathMatcher = $path_matcher;
    $this->request = $request_stack
      ->getCurrentRequest();
    $this->configFactory = $config_factory;
    $this->database = $database;
    $this->uuidService = $uuid_service;
    $this->currentUser = $current_user;
    $this->aliasManager = $alias_manager;
    $this->projectHandler = $project_handler;
    $this->currentPath = $current_path;
  }

  /**
   * Method to Get Modals to show.
   */
  public function getModalsToShow() {

    // Get Modals to Show.
    $modals = $this
      ->loadModalsToShow();
    if (empty($modals)) {
      return FALSE;
    }
    foreach ($modals as $key => $modal) {
      $body = '';

      // Verify body by string.
      if (is_string($modal
        ->getBody()) && !empty($modal
        ->getBody())) {
        $body = $this
          ->clearText($modal
          ->getBody());
      }

      // Verify by array.
      if (!empty($modal
        ->getBody()['value'])) {
        $body = [
          '#type' => 'processed_text',
          '#text' => $modal
            ->getBody()['value'],
          '#format' => $modal
            ->getBody()['format'],
        ];
      }
      $modal
        ->setBody($body);

      // Default Top Right Button.
      if (empty($modal
        ->getTopRightButtonLabel()) || $modal
        ->getTopRightButtonLabel() == 'x') {
        $modal
          ->setTopRightButtonLabel('&times;');
      }
      if (empty($modal
        ->getEnableDontShowAgainOption())) {
        $modal
          ->setDontShowAgainLabel(FALSE);
      }

      // Default classes for Modal class. If there are user class, include it.
      $modalClass = 'modal fade js-modal-page-show';
      if (!empty($modal
        ->getModalClass())) {
        $modalClass .= ' ' . $modal
          ->getModalClass();
      }
      $modal
        ->setModalClass($modalClass);

      // Header class.
      $headerClass = $modal
        ->getHeaderClass();
      if (empty($modal
        ->getInsertHorizontalLineHeader())) {
        $headerClass .= ' modal-no-border';
        $modal
          ->setHeaderClass($headerClass);
      }

      // Other class.
      $footerClass = $modal
        ->getFooterClass();
      if (empty($modal
        ->getInsertHorizontalLineFooter())) {
        $footerClass .= ' modal-no-border';
        $modal
          ->setFooterClass($footerClass);
      }

      // Prepare Get close Modal Esc Key.
      $closeModalEscKey = 'true';
      if (empty($modal
        ->getCloseModalEscKey())) {
        $closeModalEscKey = 'false';
      }
      $modal
        ->setCloseModalEscKey($closeModalEscKey);

      // Prepare Get close Modal clicking Outside.
      $closeModalClickingOutside = 'true';
      if (empty($modal
        ->getCloseModalClickingOutside())) {
        $closeModalClickingOutside = 'static';
      }
      $modal
        ->setCloseModalClickingOutside($closeModalClickingOutside);
      $modals[$key] = $modal;
    }
    return $modals;
  }

  /**
   * Get modal to show.
   *
   * @return object
   *   Return the modal to show.
   */
  public function loadModalsToShow() {
    $modalToShow = FALSE;
    $modalsToShow = [];
    $currentPath = $this
      ->getCurrentPath();
    $parameters = $this->request->query
      ->all();
    $modalParameter = empty($parameters['modal']) ? FALSE : Html::escape($parameters['modal']);
    if (!empty($modalParameter)) {
      $modalParameter = $this
        ->clearText($modalParameter);
    }
    $modals = $this->entityTypeManager
      ->getStorage('modal')
      ->loadMultiple();
    foreach ($modals as $modal) {
      if (empty($modal
        ->getPublished())) {
        continue;
      }
      if (empty($modal
        ->getType())) {
        continue;
      }
      $modalType = $modal
        ->getType();
      switch ($modalType) {
        case 'page':
          $modalToShow = $this
            ->getModalToShowByPage($modal, $currentPath);
          break;
        case 'parameter':
          $modalToShow = $this
            ->getModalToShowByParameter($modal, $modalParameter);
          break;
      }

      // Return Modal if there isn't restriction configured or if user has
      // permission.
      if (!empty($modalToShow) && $this
        ->verifyUserHasPermissionOnModal($modalToShow)) {
        if (empty($this
          ->verifyModalShouldAppearOnThisLanguage($modalToShow))) {
          continue;
        }

        // Get Modal ID.
        $modalId = $modalToShow
          ->id();

        // Enable alter for other projects with HOOK_modal_alter().
        $this->projectHandler
          ->alter('modal', $modalToShow, $modalId);

        // Get Hook Name.
        $hookModalFormIdAlterName = 'modal_' . $modalId;

        // Enable alter for other projects with HOOK_modal_ID_alter().
        $this->projectHandler
          ->alter($hookModalFormIdAlterName, $modalToShow, $modalId);
        $modalsToShow[] = $modalToShow;
      }
    }
    return $modalsToShow;
  }

  /**
   * Verify if the Current User has Permission to Access Modal.
   */
  public function verifyUserHasPermissionOnModal($modal) {
    if (empty(array_filter($modal
      ->getRoles()))) {
      return TRUE;
    }

    /** @var \Drupal\user\Entity\User $user */
    $user = $this->entityTypeManager
      ->getStorage('user')
      ->load($this->currentUser
      ->id());
    if (empty($user) || empty($modal
      ->getRoles())) {
      return FALSE;
    }
    $roles = $modal
      ->getRoles();
    foreach ($roles as $roleId => $role) {

      // If value is = 0, we can skip.
      if (empty($role)) {
        return FALSE;
      }
      if (!empty($roleId) && $user
        ->hasRole($roleId)) {
        return TRUE;
      }
    }
    return FALSE;
  }

  /**
   * Method to verify if this Modal Should Appear On This Language.
   */
  public function verifyModalShouldAppearOnThisLanguage($modal) {

    // Verify Site Language and Modal Language.
    $languagesToShow = $modal
      ->getLanguagesToShow();

    // Clear 0 values.
    $languagesToShow = array_filter($languagesToShow);

    // If none are selected on this Modal, show it.
    if (empty($languagesToShow)) {
      return TRUE;
    }
    $langCode = $this->languageManager
      ->getCurrentLanguage()
      ->getId();

    // If this language is present on array "Languages to Show" show it.
    if (!empty($languagesToShow[$langCode])) {
      return TRUE;
    }
    return FALSE;
  }

  /**
   * Apply the filter on text.
   */
  public function clearText($text) {
    if (empty(is_string($text))) {
      $text = (string) $text;
    }
    $text = Xss::filter($text, $this
      ->getAllowTags());
    return trim($text);
  }

  /**
   * Get the current path.
   *
   * @return string
   *   The current path.
   */
  public function getCurrentPath() : string {

    // $currentPath = ltrim($this->request->getRequestUri(), '/');.
    $currentPath = $this->request
      ->getRequestUri();
    if ($this->pathMatcher
      ->isFrontPage()) {
      $currentPath = '<front>';
    }
    return $currentPath;
  }

  /**
   * Get the modal by page.
   *
   * @param object $modal
   *   The object modal.
   * @param string $currentPath
   *   The current path.
   *
   * @return object
   *   Retunr the modal.
   */
  public function getModalToShowByPage($modal, $currentPath) {
    $pages = $modal
      ->getPages();
    $pages = explode(PHP_EOL, $pages);
    foreach ($pages as $page) {
      $path = mb_strtolower($page);
      $path = trim($path);

      // Check if the modal is displayed on front page.
      if ($path == '<front>' && $currentPath == '<front>') {
        return $modal;
      }
      if ($path != '<front>') {
        $path = Xss::filter($path);
      }
      $path = trim($path);
      $currentPath = $this->currentPath
        ->getPath();
      $currentPath = $this->aliasManager
        ->getAliasByPath($currentPath);
      if (strpos($currentPath, '/node/') !== FALSE && strpos($currentPath, '/node/') === 0) {
        $currentPath = $this->aliasManager
          ->getAliasByPath($currentPath);
      }
      $currentPath = mb_strtolower($currentPath);
      $shouldAppear = $this
        ->verifyModalShouldAppearOnThisPath($path, $currentPath);
      if (!empty($shouldAppear)) {
        return $modal;
      }
    }
  }

  /**
   * Verify if this Modal Should Appear on This Path.
   *
   * @return bool
   *   Return TRUE or FALSE.
   */
  public function verifyModalShouldAppearOnThisPath($path, $currentPath) {
    $path = preg_quote($path, '/');
    $path = str_replace('\\*', '.*', $path);
    return preg_match('/^' . $path . '$/i', $currentPath);
  }

  /**
   * Get the modal by parameter.
   *
   * @param object $modal
   *   The object modal.
   * @param string $modalParamenter
   *   The string text of parameters.
   *
   * @return bool
   *   Return modal or false.
   */
  public function getModalToShowByParameter($modal, $modalParamenter) {
    $parameters = $modal
      ->getParameters();
    $parameters = explode(PHP_EOL, $parameters);
    foreach ($parameters as $parameter) {
      $parameter = trim($parameter);
      if ($modalParamenter == $parameter) {
        return $modal;
      }
    }
    return FALSE;
  }

  /**
   * Allowed tags on modal page.
   *
   * @return array
   *   Return the tags allowed.
   */
  public function getAllowTags() : array {
    $config = $this->configFactory
      ->get('modal_page.settings');
    $allowedTags = $config
      ->get('allowed_tags') ?? "h1,h2,a,b,big,code,del,em,i,ins,pre,q,small,span,strong,sub,sup,tt,ol,ul,li,p,br,img";
    $tags = explode(",", $allowedTags);
    return $tags;
  }

  /**
   * Import Modal Config to Entity.
   */
  public function importModalConfigToEntity() {
    $language = $this->languageManager
      ->getCurrentLanguage()
      ->getId();
    $config = $this->configFactory
      ->get('modal_page.settings');
    $modals = $config
      ->get('modals');
    $modalsByParameter = $config
      ->get('modals_by_parameter');
    $allowTags = $this
      ->getAllowTags();
    if (empty($modals) && empty($modalsByParameter)) {
      return FALSE;
    }
    if (!empty($modals)) {
      $modalsSettings = explode(PHP_EOL, $modals);
      foreach ($modalsSettings as $modal_settings) {
        $modal = explode('|', $modal_settings);
        $path = $modal[0];
        if ($path != '<front>') {
          $path = Xss::filter($modal[0]);
        }
        $path = trim($path);
        $path = ltrim($path, '/');
        $title = Xss::filter($modal[1], $allowTags);
        $title = trim($title);
        $text = Xss::filter($modal[2], $allowTags);
        $text = trim($text);
        $button = Xss::filter($modal[3]);
        $button = trim($button);
        $uuid = $this->uuidService
          ->generate();
        $modal = [
          'uuid' => $uuid,
          'title' => $title,
          'body' => $text,
          'type' => 'page',
          'pages' => $path,
          'ok_label_button' => $button,
          'langcode' => $language,
          'created' => time(),
          'changed' => time(),
        ];
        $query = $this->database
          ->insert('modal');
        $query
          ->fields($modal);
        $query
          ->execute();
      }
    }
    if (!empty($modalsByParameter)) {
      $modalsSettings = explode(PHP_EOL, $modalsByParameter);
      foreach ($modalsSettings as $modal_settings) {
        $modal = explode('|', $modal_settings);
        $parameter_settings = Xss::filter($modal[0]);
        $parameter = trim($parameter_settings);
        $parameter_data = explode('=', $parameter);
        $parameter_value = $parameter_data[1];
        $title = Xss::filter($modal[1], $allowTags);
        $title = trim($title);
        $text = Xss::filter($modal[2], $allowTags);
        $text = trim($text);
        $button = Xss::filter($modal[3]);
        $button = trim($button);
        $uuid = $this->uuidService
          ->generate();
        $modal = [
          'uuid' => $uuid,
          'title' => $title,
          'body' => $text,
          'type' => 'parameter',
          'parameters' => $parameter_value,
          'ok_label_button' => $button,
          'langcode' => $language,
          'created' => time(),
          'changed' => time(),
        ];
        $query = $this->database
          ->insert('modal');
        $query
          ->fields($modal);
        $query
          ->execute();
      }
    }
  }

  /**
   * Prepare class.
   */
  public function prepareClass($class) {
    if (empty($class)) {
      return FALSE;
    }
    $class = strtolower($class);
    $class = str_replace(',', ' ', $class);
    $class = str_replace('  ', ' ', $class);
    return $class;
  }

}

Classes

Name	Description
ModalPageService	Modal Page Service Class.