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'])) {
    return [];
  }
  $result = $this->itemStorage
    ->getQuery()
    ->accessCheck(TRUE)
    ->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;
  }
}