MultipleRegistrationController.php in Multiple Registration 8

Namespace

Drupal\multiple_registration\Controller

File

src/Controller/MultipleRegistrationController.php

<?php

namespace Drupal\multiple_registration\Controller;

use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Path\AliasManager;
use Drupal\Core\Path\AliasStorage;
use Drupal\Core\Database\Database;
use Drupal\Core\Language\LanguageInterface;
use Drupal\Core\Routing\CurrentRouteMatch;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Link;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Access\AccessResult;
use Drupal\user\Access\RegisterAccessCheck;
use Drupal\multiple_registration\AvailableUserRolesService;

/**
 * Class MultipleRegistrationController.
 *
 * @package Drupal\multiple_registration\Controller
 */
class MultipleRegistrationController extends ControllerBase {
  const MULTIPLE_REGISTRATION_SIGNUP_PATH_PATTERN = '/user/register/';
  const MULTIPLE_REGISTRATION_GENERAL_REGISTRATION_ID = 'authenticated';
  public $regPagesConfig;
  protected $availableUserRolesService;
  protected $aliasManager;
  protected $routeMatch;

  /**
   * MultipleRegistrationController constructor.
   *
   * @param \Drupal\multiple_registration\AvailableUserRolesService $availableUserRolesService
   *   AvailableUserRoles Service.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
   *   Config factory.
   * @param \Drupal\Core\Path\AliasManager $aliasManager
   *   Alias manager.
   * @param \Drupal\Core\Routing\CurrentRouteMatch $routeMatch
   *   RouteMatch service.
   */
  public function __construct(AvailableUserRolesService $availableUserRolesService, ConfigFactoryInterface $configFactory, AliasManager $aliasManager, CurrentRouteMatch $routeMatch) {
    $this->regPagesConfig = $configFactory
      ->getEditable('multiple_registration.create_registration_page_form_config');
    $this->availableUserRolesService = $availableUserRolesService;
    $this->aliasManager = $aliasManager;
    $this->routeMatch = $routeMatch;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('multiple_registration.service'), $container
      ->get('config.factory'), $container
      ->get('path.alias_manager'), $container
      ->get('current_route_match'));
  }

  /**
   * Checks access for register page.
   *
   * @param \Drupal\Core\Session\AccountInterface $account
   *   Run access checks for this account.
   *
   * @return \Drupal\Core\Access\AccessResult
   *   Returns access result.
   */
  public function access(AccountInterface $account) {
    $registerAccessCheck = new RegisterAccessCheck();
    return AccessResult::allowedIf($account
      ->hasPermission('administer multiple_registration') || $registerAccessCheck
      ->access($account)
      ->isAllowed());
  }

  /**
   * Page with registration pages list.
   *
   * @return array
   *   Returns index.
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  public function index() {
    $regPages = $this->availableUserRolesService
      ->getRegistrationPages();
    if ($regPages) {
      foreach ($regPages as $rid => $role) {
        $row = [];
        $row[] = $role['role_name'];
        $path_alias = $this->aliasManager
          ->getAliasByPath($role['url']);
        $row[] = $path_alias;
        $isHiddenLabel = $role['hidden'] == 1 ? $this
          ->t("Yes") : $this
          ->t('No');
        $row[] = $isHiddenLabel;
        $edit_url = Url::fromRoute("multiple_registration.create_registration_page_form", [
          'rid' => $rid,
        ], [
          'attributes' => [
            'class' => 'use-ajax',
            'data-accepts' => 'application/vnd.drupal-modal',
            'data-dialog-type' => 'modal',
            'data-dialog-options' => '{"width": "50%"}',
          ],
        ]);
        $row[] = Link::fromTextAndUrl($this
          ->t('Edit'), $edit_url);
        $remove_url = Url::fromRoute("multiple_registration.delete_registration_page_form", [
          'rid' => $rid,
        ], [
          'attributes' => [
            'class' => 'use-ajax',
            'data-accepts' => 'application/vnd.drupal-modal',
            'data-dialog-type' => 'modal',
            'data-dialog-options' => '{"width": "50%"}',
          ],
        ]);
        $row[] = Link::fromTextAndUrl($this
          ->t('Remove'), $remove_url);
        $rows[] = [
          'data' => $row,
        ];
      }
      $header = [
        $this
          ->t('Role'),
        $this
          ->t('Registration page path'),
        $this
          ->t('Hidden'),
        [
          'data' => $this
            ->t('Operations'),
          'colspan' => 2,
        ],
      ];
      $output = [
        '#theme' => 'table',
        '#header' => $header,
        '#rows' => $rows,
        '#attributes' => [
          'id' => 'user-roles-reg-pages',
        ],
        '#attached' => [
          'library' => [
            'core/drupal.dialog.ajax',
          ],
        ],
      ];
    }
    else {
      $add_reg_pages_link = Link::fromTextAndUrl($this
        ->t('here'), Url::fromRoute('entity.user_role.collection'));
      $output = [
        '#markup' => $this
          ->t('There are no additional registration pages created yet. You can add new pages %here', [
          '%here' => $add_reg_pages_link,
        ]),
      ];
    }
    $common_settings_url = Url::fromRoute("multiple_registration.common_settings_page_form", [], [
      'attributes' => [
        'class' => 'use-ajax',
        'data-accepts' => 'application/vnd.drupal-modal',
        'data-dialog-type' => 'modal',
        'data-dialog-options' => '{"width": "50%"}',
      ],
    ]);
    $output['#suffix'] = '<p>' . Link::fromTextAndUrl($this
      ->t('Common settings'), $common_settings_url)
      ->toString() . '</p>';
    $output['#suffix'] .= '<p>' . Link::fromTextAndUrl($this
      ->t('Go to Roles managing page'), Url::fromRoute('entity.user_role.collection'))
      ->toString() . '</p>';
    return $output;
  }

  /**
   * Get AliasStorage object.
   *
   * @return \Drupal\Core\Path\AliasStorage
   *   Returns Path object.
   */
  public function getRegisterAliasStorage() {

    // Prepare database table.
    $connection = Database::getConnection();

    // Create Path object.
    return new AliasStorage($connection, $this
      ->moduleHandler());
  }

  /**
   * Adds alias for registration page.
   *
   * @param string $source
   *   Source string.
   * @param string $alias
   *   Path alias string.
   *
   * @throws \Exception
   */
  public function addRegisterPageAlias($source, $alias) {
    $aliasStorage = $this
      ->getRegisterAliasStorage();
    $conditions = [
      'source' => $source,
    ];

    // Checks if alias exists for url.
    $existsAliases = $aliasStorage
      ->load($conditions);
    $pid = NULL;
    if (isset($existsAliases['pid'])) {
      $pid = $existsAliases['pid'];
    }
    $aliasStorage
      ->save($source, $alias, LanguageInterface::LANGCODE_NOT_SPECIFIED, $pid);
  }

  /**
   * Removes registration page alias for role.
   *
   * @param int $rid
   *   Role ID.
   */
  public function removeRegisterPageAlias($rid) {
    $aliasStorage = $this
      ->getRegisterAliasStorage();
    $pages_config = $this->regPagesConfig;
    $conditions = [
      'source' => $pages_config
        ->get('multiple_registration_url_' . $rid),
    ];
    $aliasStorage
      ->delete($conditions);
  }

  /**
   * Removes registration page for role.
   *
   * @param int $rid
   *   Role ID.
   */
  public function removeRegisterPage($rid) {
    $pages_config = $this->regPagesConfig;
    if ($pages_config
      ->get('multiple_registration_url_' . $rid)) {
      $this
        ->removeRegisterPageAlias($rid);
      $pages_config
        ->clear('multiple_registration_path_' . $rid)
        ->clear('multiple_registration_url_' . $rid)
        ->save();
      drupal_set_message($this
        ->t('Registration page has been removed.'));
    }
    else {
      drupal_set_message($this
        ->t('Registration page has not been removed. There are no pages for this role.'), 'error');
    }
  }

  /**
   * Check is field available for role.
   *
   * @param array $fieldRoles
   *   Array with assigned roles for the fields.
   *
   * @return bool
   *   Returns access result.
   */
  public static function checkFieldAccess(array $fieldRoles) {
    $routeMatch = \Drupal::routeMatch();
    $roles = [];
    switch ($routeMatch
      ->getRouteName()) {

      // Role page registration.
      case 'multiple_registration.role_registration_page':
        $roles = [
          $routeMatch
            ->getParameter('rid'),
        ];
        break;

      // Default registration.
      case 'user.register':
        $roles = [
          self::MULTIPLE_REGISTRATION_GENERAL_REGISTRATION_ID,
        ];
        break;

      // User edit page.
      case 'entity.user.edit_form':
        $roles = $routeMatch
          ->getParameter('user')
          ->getRoles();
        if (!static::useRegistrationPage($roles)) {

          // Fall back to 'General registered users' if user does not have any
          // special role.
          $roles = [
            self::MULTIPLE_REGISTRATION_GENERAL_REGISTRATION_ID,
          ];
        }
        break;
    }
    $extractKeys = array_intersect($roles, $fieldRoles);
    if (!empty($extractKeys)) {
      return TRUE;
    }
    else {
      return FALSE;
    }
  }

  /**
   * Gets the title for registration page.
   */
  public function getRegisterPageTitle(RouteMatchInterface $route) {
    $role = $route
      ->getRawParameter('rid');
    $roles = user_role_names();
    if (isset($roles[$role])) {
      return $this
        ->t('Create new @role account', [
        '@role' => $roles[$role],
      ]);
    }
    else {
      return $this
        ->t('Role @role not found, you can use default registration page.', [
        '@role' => ucfirst($role),
      ]);
    }
  }

  /**
   * Checks whether there're special registration pages for any of given roles.
   *
   * @param array $roles
   *   Array of role IDs.
   *
   * @return bool
   *   Whether there is a special registration form available for at least one
   *   of given roles.
   */
  protected static function useRegistrationPage(array $roles) {
    $pages_config = \Drupal::configFactory()
      ->get('multiple_registration.create_registration_page_form_config');
    foreach ($roles as $rid) {
      if ($pages_config
        ->get('multiple_registration_url_' . $rid)) {
        return TRUE;
      }
    }
    return FALSE;
  }

}

Classes

Name	Description
MultipleRegistrationController	Class MultipleRegistrationController.