public function AdvancedHelpSearch::execute in Advanced Help 8

Executes the search.

Return value

array A structured list of search results.

Overrides SearchInterface::execute

File

src/Plugin/Search/AdvancedHelpSearch.php, line 147

Class

AdvancedHelpSearch

Executes a keyword search for Advanced Help against the {advanced_help} topic pages.

Namespace

Drupal\advanced_help\Plugin\Search

Code

public function execute() {
  if ($this
    ->isSearchExecutable()) {
    $keys = $this->keywords;

    // Build matching conditions.
    $query = $this->database
      ->select('search_index', 'i', [
      'target' => 'replica',
    ])
      ->extend('Drupal\\search\\SearchQuery')
      ->extend('Drupal\\Core\\Database\\Query\\PagerSelectExtender');
    $query
      ->join('advanced_help_index', 'ahi', 'ahi.sid = i.sid');
    $query
      ->join('search_dataset', 'sd', "ahi.sid = sd.sid AND sd.type = '{$this->pluginId}'");
    $query
      ->searchExpression($keys, $this
      ->getPluginId());
    $find = $query
      ->fields('i', [
      'langcode',
    ])
      ->fields('ahi', [
      'module',
      'topic',
    ])
      ->fields('sd', [
      'data',
    ])
      ->groupBy('i.langcode, ahi.module, ahi.topic, sd.data')
      ->limit(10)
      ->execute();
    $results = [];
    foreach ($find as $key => $item) {
      $result = [
        'link' => '/help/ah/' . $item->module . '/' . $item->topic,
        'title' => $item->topic,
        'score' => $item->calculated_score,
        'snippet' => search_excerpt($keys, $item->data, $item->langcode),
        'langcode' => $item->langcode,
      ];
      $results[] = $result;
    }
    return $results;
  }
  return [];
}