protected function ContentBuilder::getTopics in Open Social 8.7

Same name and namespace in other branches

1. 8.6 modules/social_features/social_content_block/src/ContentBuilder.php \Drupal\social_content_block\ContentBuilder::getTopics()

Function to get all the topics based on the filters.

Parameters

\Drupal\block_content\Entity\BlockContent $block_content: The block content where we get the settings from.

Return value

array|string Return the topics found.

Throws

\Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException

\Drupal\Component\Plugin\Exception\PluginNotFoundException

1 call to ContentBuilder::getTopics()

ContentBuilder::build in modules/social_features/social_content_block/src/ContentBuilder.php

Lazy builder callback for displaying a content blocks.

File

modules/social_features/social_content_block/src/ContentBuilder.php, line 81

Class

ContentBuilder

Class ContentBuilder.

Namespace

Drupal\social_content_block

Code

protected function getTopics(BlockContent $block_content) {

  // Get topic type tags.
  $topic_types_list = $block_content
    ->get('field_topic_type')
    ->getValue();
  $topic_types = array_map(function ($topic_type) {
    return $topic_type['target_id'];
  }, $topic_types_list);

  // Get group tags.
  $group_tag_list = $block_content
    ->get('field_group')
    ->getValue();
  $group_tags = array_map(function ($group_tag) {
    return $group_tag['target_id'];
  }, $group_tag_list);

  // Get social tags.
  $social_tag_list = $block_content
    ->get('field_content_tags')
    ->getValue();
  $social_tags = array_map(function ($social_tag) {
    return $social_tag['target_id'];
  }, $social_tag_list);

  // Use database select because we need joins
  // which are not possible with entityQuery.

  /** @var \Drupal\Core\Database\Query\SelectInterface $query */
  $query = $this->connection
    ->select('node_field_data', 'n')
    ->fields('n', [
    'nid',
  ])
    ->condition('n.type', 'topic');

  // Add topic type tags.
  if (!empty($topic_types)) {
    $query
      ->innerJoin('node__field_topic_type', 'tt', 'tt.entity_id = n.nid');
    $query
      ->condition('tt.field_topic_type_target_id', $topic_types, 'IN');
  }

  // Add group tags.
  if (!empty($group_tags)) {
    $query
      ->innerJoin('group_content_field_data', 'gd', 'gd.entity_id = n.nid');
    $query
      ->condition('gd.gid', $group_tags, 'IN');
  }
  if (!empty($social_tags)) {
    $query
      ->innerJoin('node__social_tagging', 'st', 'st.entity_id = n.nid');
    $query
      ->condition('st.social_tagging_target_id', $social_tags, 'IN');
  }

  // Allow other modules to change the query to add additions.
  $this->moduleHandler
    ->alter('social_content_block_query', $query, $block_content);

  // Add sorting.
  $query
    ->orderBy('n.' . $block_content
    ->getFieldValue('field_sorting', 'value'));

  // Add range.
  $query
    ->range(0, $block_content
    ->getFieldValue('field_item_amount', 'value'));

  // Execute the query to get the results.
  $entities = $query
    ->execute()
    ->fetchAllKeyed(0, 0);
  if ($entities) {

    // Load all the topics so we can give them back.
    $entities = $this->entityTypeManager
      ->getStorage('node')
      ->loadMultiple($entities);
    return $this->entityTypeManager
      ->getViewBuilder('node')
      ->viewMultiple($entities, 'small_teaser');
  }
  return [
    '#markup' => '<div class="card__block">' . $this
      ->t('No matching content found') . '</div>',
  ];
}