NodeStatistics.php in Dashboards with Layout Builder 8

Namespace

Drupal\dashboards\Plugin\Dashboard

File

src/Plugin/Dashboard/NodeStatistics.php

<?php

namespace Drupal\dashboards\Plugin\Dashboard;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Entity\Query\QueryFactory;
use Drupal\dashboards\Plugin\DashboardBase;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Entity\Query\QueryInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Show account info.
 *
 * @Dashboard(
 *   id = "node_statistics",
 *   label = @Translation("Show node types."),
 *   category = @Translation("Statistics"),
 * )
 */
class NodeStatistics extends DashboardBase {
  use ChartTrait;

  /**
   * Entity query.
   *
   * @var \Drupal\Core\Entity\Query\QueryInterface
   */
  protected $entityQuery;

  /**
   * Entity Type Manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
   */
  protected $entityTypeInfo;

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, CacheBackendInterface $cache, QueryInterface $query_factory, EntityTypeBundleInfoInterface $entity_type_info) {
    parent::__construct($configuration, $plugin_id, $plugin_definition, $cache);
    $this->entityQuery = $query_factory;
    $this->entityTypeInfo = $entity_type_info;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('dashboards.cache'), $container
      ->get('entity_type.manager')
      ->getStorage('node')
      ->getQuery(), $container
      ->get('entity_type.bundle.info'));
  }

  /**
   * {@inheritdoc}
   */
  public function buildSettingsForm(array $form, FormStateInterface $form_state, array $configuration) : array {
    $form['chart_type'] = [
      '#type' => 'select',
      '#options' => $this
        ->getAllowedStyles(),
      '#default_value' => isset($configuration['chart_type']) ? $configuration['chart_type'] : 'pie',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function buildRenderArray($configuration) : array {
    if (isset($configuration['chart_type'])) {
      $this
        ->setChartType($configuration['chart_type']);
    }
    $types = $this->entityTypeInfo
      ->getBundleInfo('node');
    $rows = [];
    $empty = TRUE;
    foreach ($types as $bundle => $type) {
      $data = $this->entityQuery
        ->condition('type', $bundle)
        ->count()
        ->execute();
      $rows[] = [
        $type['label'],
        $data,
      ];
      if ($data > 0) {
        $empty = FALSE;
      }
    }
    if ($empty) {
      $rows = [];
      $this
        ->setEmpty(TRUE);
    }
    $this
      ->setLabels([
      $this
        ->t('Node Type'),
      $this
        ->t('Count'),
    ]);
    $this
      ->setRows($rows);
    return $this
      ->renderChart($configuration);
  }

}

Classes

Name	Description
NodeStatistics	Show account info.