/**
* Returns the distributions that are part of a solution.
*
* @param \Drupal\rdf_entity\RdfInterface $solution
* The solution rdf entity.
*
* @return \Drupal\rdf_entity\RdfInterface[]
* An array of distributions related to the solution.
*/
public function getSolutionDistributions(RdfInterface $solution)
{
$group_content_ids = $this->membershipManager->getGroupContentIds($solution, ['rdf_entity']);
if (empty($group_content_ids['rdf_entity'])) {
return [];
}
/** @var array $group_content */
$group_content = $this->entityTypeManager->getStorage('rdf_entity')->loadMultiple($group_content_ids['rdf_entity']);
/** @var RdfInterface[] $distributions */
$distributions = array_filter($group_content, function (RdfInterface $entity) {
return $entity->bundle() === 'asset_distribution';
});
return $distributions;
}
/**
* {@inheritdoc}
*/
public function build()
{
if (empty($this->collection)) {
throw new \Exception('The "Collection content" block can only be shown on collection pages.');
}
$content_ids = $this->membershipManager->getGroupContentIds($this->collection);
$list = array();
foreach ($content_ids as $entity_type => $ids) {
$storage = $this->entityTypeManager->getStorage($entity_type);
$entities = $storage->loadMultiple($ids);
$children = [];
foreach ($entities as $entity) {
$children[] = array('#markup' => $entity->link());
}
if ($children) {
$list[] = array('#markup' => $storage->getEntityType()->getLabel(), 'children' => $children);
}
}
$build = array('list' => ['#theme' => 'item_list', '#items' => $list, '#cache' => ['tags' => ['og_group_content:' . $this->collection->id()]]]);
return $build;
}
