Issue #3385650 by hamzadwaya: Create statistics block for Media

src/Plugin/Dashboard/MediaStatistics.php

+<?php
+
+namespace Drupal\dashboard_extra\Plugin\Dashboard;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\dashboards\Plugin\DashboardBase;
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
+use Drupal\Core\Entity\Query\QueryAggregateInterface;
+use Drupal\dashboards\Plugin\Dashboard\ChartTrait;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+
+
+/**
+ * Show account info.
+ *
+ * @Dashboard(
+ *   id = "media_statistics",
+ *   label = @Translation("Media Statistics"),
+ *   category = @Translation("Dashboards: Extras"),
+ * )
+ */
+class MediaStatistics extends DashboardBase {
+  use ChartTrait;
+
+  /**
+   * Entity query.
+   *
+   * @var \Drupal\Core\Entity\Query\QueryAggregateInterface
+   */
+  protected $entityQuery;
+
+  /**
+   * Entity Type Manager.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
+   */
+  protected $entityTypeInfo;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, CacheBackendInterface $cache, QueryAggregateInterface $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('media')->getAggregateQuery('AND'),
+      $container->get('entity_type.bundle.info')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildSettingsForm(array $form, FormStateInterface $form_state, array $configuration): array {
+    $all_budle_info =  $this->entityTypeInfo->getAllBundleInfo();
+    $all_media_types = $all_budle_info["media"];
+    foreach ($all_media_types as $machine_name => $media_type) {
+      $media_type_label[$machine_name] = $media_type["label"];
+    }
+    $form['chart_type'] = [
+      '#type' => 'select',
+      '#options' => $this->getAllowedStyles(),
+      '#default_value' => (isset($configuration['chart_type'])) ? $configuration['chart_type'] : 'pie'
+    ];
+    $form['media_type'] = [
+      '#title' => $this->t('Choose Media Type'),
+      '#type' => 'select',
+      '#multiple' => TRUE,
+      '#required' => TRUE,
+      '#options' => $media_type_label,
+      '#default_value' => $configuration['media_type']
+    ];
+    $form['condition'] = [
+      '#title' => $this->t('Published Media'),
+      '#type' => 'checkbox',
+      '#default_value' => (isset($configuration['condition'])) ? $configuration['condition'] : TRUE
+    ];
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildRenderArray($configuration): array {
+    if (isset($configuration['chart_type'])) {
+      $this->setChartType($configuration['chart_type']);
+    }
+    if(isset($configuration['media_type'])){
+      foreach($configuration['media_type'] as $type){
+        $media_type[]=$type;
+      }
+    }
+    $result = $this->entityQuery
+      ->condition('bundle', $media_type , "IN")
+      ->condition('status',$configuration['condition'])
+      ->groupBy('bundle')
+      ->aggregate('mid', 'COUNT')
+      ->accessCheck(FALSE)
+      ->execute();
+
+    $types = $this->entityTypeInfo->getBundleInfo('media');
+    $rows = [];
+
+    foreach ($result as $r) {
+      $rows[] = [
+        $types[$r['bundle']]['label'],
+        $r['mid_count'],
+      ];
+    }
+
+    if (empty($result)) {
+      $rows = [];
+      $this->setEmpty(TRUE);
+    }
+
+    $this->setLabels([
+      $this->t('Media Type'),
+      $this->t('Count'),
+    ]);
+
+    $this->setRows($rows);
+
+    return $this->renderChart($configuration);
+  }
+
+}