public function FacebookAlbumController::getAlbumsNext in Facebook Album 8

Fetch the next or previous set of cover photos from the specified page ID

Parameters

\Drupal\block\BlockInterface $block:

null $after: The id for fetching the next set of albums

Return value

\Zend\Diactoros\Response\JsonResponse A json object containing an html template and after id

1 call to FacebookAlbumController::getAlbumsNext()

FacebookAlbumController::getAlbums in src/Controller/FacebookAlbumController.php

Fetch first set of albums specified in the settings menu

1 string reference to 'FacebookAlbumController::getAlbumsNext'

facebook_album.routing.yml in ./facebook_album.routing.yml

facebook_album.routing.yml

File

src/Controller/FacebookAlbumController.php, line 63

Contains \Drupal\facebook_album\Controller\FacebookAlbumController.

Class

FacebookAlbumController

Controller for Facebook Album.

Namespace

Drupal\facebook_album\Controller

Code

public function getAlbumsNext(BlockInterface $block, $after = NULL) {
  $settings = $block
    ->get('settings');
  $limit = $settings['album_limit'];
  if ($limit < 1) {
    $limit = NULL;
  }
  else {

    // ensure that ID's can't be passed in to retrieve albums
    // if limit has been set to a non-zero number
    $after = NULL;
  }
  $path = $settings['page_id'] . '/albums';
  $parameters = [
    'after' => $after,
    'limit' => $limit,
    'fields' => 'location,description,name,cover_photo.fields(images)',
  ];
  $response = $this
    ->makeRequest($path, $parameters);

  // Filter out any albums from the config
  $filtered_content = $this
    ->filterAlbums($response['data'], $settings['albums'], $settings['album_visibility']);

  // Build json response
  $json_response = [];
  $render = [
    '#theme' => 'facebook_album_covers',
    '#settings' => $settings,
    '#photos' => $filtered_content,
  ];
  $json_response['data']['content'] = \Drupal::service('renderer')
    ->render($render);
  if (isset($response['paging']) && isset($response['paging']['next']) && $limit == NULL) {
    $json_response['data']['after'] = $response['paging']['cursors']['after'];
  }
  else {
    $json_response['data']['after'] = NULL;
  }
  return new JsonResponse($json_response);
}