function AggregatorFeedBlock::build

File

core/modules/aggregator/src/Plugin/Block/AggregatorFeedBlock.php, line 128

Class

AggregatorFeedBlock

Provides an 'Aggregator feed' block with the latest items from the feed.

Namespace

Code

public function build() {
  // Load the selected feed.
  if ($feed = $this->feedStorage
    ->load($this->configuration['feed'])) {
    $result = $this->itemStorage
      ->getQuery()
      ->condition('fid', $feed->id())
      ->range(0, $this->configuration['block_count'])
      ->sort('timestamp', 'DESC')
      ->sort('iid', 'DESC')
      ->execute();
    if ($result) {
      // Only display the block if there are items to show.
      $items = $this->itemStorage
        ->loadMultiple($result);
      $build['list'] = [
        '#theme' => 'item_list',
        '#items' => [],
      ];
      foreach ($items as $item) {
        $build['list']['#items'][$item->id()] = [
          '#type' => 'link',
          '#url' => $item->toUrl(),
          '#title' => $item->label(),
        ];
      }
      $build['more_link'] = [
        '#type' => 'more_link',
        '#url' => $feed->toUrl(),
        '#attributes' => [
          'title' => $this->t("View this feed's recent news."),
        ],
      ];
      return $build;
    }
  }
}