EditionsController.php in Simplenews Scheduler 8

Contains \Drupal\simplenews_scheduler\Controller\EditionsController.

Namespace

Drupal\simplenews_scheduler\Controller

File

src/Controller/EditionsController.php

<?php

/**
 * @file
 * Contains \Drupal\simplenews_scheduler\Controller\EditionsController.
 */
namespace Drupal\simplenews_scheduler\Controller;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Database\Connection;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Default controller for the simplenews_scheduler module.
 */
class EditionsController extends ControllerBase {

  /**
   * The entity manager.
   *
   * @var \Drupal\Core\Entity\EntityManagerInterface
   */
  protected $entityManager;

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

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

  /**
   * Creates the EditionsController object.
   *
   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
   *   The entity manager.
   * @param \Drupal\Core\Session\AccountProxyInterface $current_user
   *   The current user.
   * @param \Drupal\Core\Database\Connection $database
   *   The database connection.
   */
  public function __construct(EntityManagerInterface $entity_manager, AccountProxyInterface $current_user, Connection $database) {
    $this->entityManager = $entity_manager;
    $this->currentUser = $current_user;
    $this->database = $database;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity.manager'), $container
      ->get('current_user'), $container
      ->get('database'));
  }

  /**
   * Check whether to display the Scheduled Newsletter tab.
   */
  public function checkAccess(NodeInterface $node) {

    // Check if this is a simplenews node type and permission.
    if ($node
      ->hasField('simplenews_issue') && $node->simplenews_issue->target_id != NULL && $this->currentUser
      ->hasPermission('overview scheduled newsletters')) {

      // Check if this is either a scheduler newsletter or an edition.
      return AccessResult::allowedIf(!empty($node->simplenews_scheduler) || !empty($node->is_edition));
    }
    return AccessResult::forbidden();
  }

  /**
   * Helper function to get the identifier of newsletter.
   *
   * @param $node
   *  The node object for the newsletter.
   *
   * @return
   *  If the node is a newsletter edition, the node id of its parent template
   *  newsletter; if the node is a template newsletter, its own node id; and
   *  FALSE if the node is not part of a scheduled newsletter set.
   */
  function getPid(NodeInterface $node) {

    // First assume this is a newsletter edition,
    if (isset($node->simplenews_scheduler_edition)) {
      return $node->simplenews_scheduler_edition->pid;
    }
    elseif (isset($node->simplenews_scheduler)) {
      return $node
        ->id();
    }
    return FALSE;
  }
  public function nodeEditionsPage(NodeInterface $node) {
    $nid = $this
      ->getPid($node);
    $output = array();
    $rows = array();
    if ($nid == $node
      ->id()) {

      // This is the template newsletter.
      $output['prefix']['#markup'] = '<p>' . t('This is a newsletter template node of which all corresponding editions nodes are based on.') . '</p>';

      // Load the corresponding editions from the database to further process.
      $result = $this->database
        ->select('simplenews_scheduler_editions', 's')
        ->extend('Drupal\\Core\\Database\\Query\\PagerSelectExtender')
        ->limit(20)
        ->fields('s')
        ->condition('s.pid', $nid)
        ->execute()
        ->fetchAll();
      foreach ($result as $row) {
        $node = $this->entityManager
          ->getStorage('node')
          ->load($row->eid);
        $rows[] = array(
          $node
            ->link(),
          format_date($row->date_issued, 'custom', 'Y-m-d H:i'),
        );
      }

      // Display a table with all editions.
      // @todo change to render array
      $output['table'] = array(
        '#type' => 'table',
        '#header' => array(
          t('Edition Node'),
          t('Date sent'),
        ),
        '#rows' => $rows,
        '#attributes' => array(
          'class' => array(
            'schedule-history',
          ),
        ),
        '#empty' => t('No scheduled newsletter editions have been sent.'),
      );
      $output['pager'] = array(
        '#type' => 'pager',
      );
    }
    else {

      // This is a newsletter edition.
      $master_node = $this->entityManager
        ->getStorage('node')
        ->load($nid);
      $output['prefix']['#markup'] = '<p>' . t('This node is part of a scheduled newsletter configuration. View the original newsletter <a href="@parent">here</a>.', array(
        '@parent' => $master_node
          ->url(),
      )) . '</p>';
    }
    return $output;
  }

}

Classes

Name	Description
EditionsController	Default controller for the simplenews_scheduler module.