/**
* Produces a snippet with the first match result for the search term.
*
* @param string $searchword The search word
* @param integer $resultTokens The amount of tokens (words) to get surrounding the match hit. (defaults to 60)
* @param string $ellipsis added to the end of the string if the text was longer than the snippet produced. (defaults to "...")
* @param string $beginModifier added immediately before the searchword in the snippet (defaults to <b>)
* @param string $endModifier added immediately after the searchword in the snippet (defaults to </b>)
* @return string
*/
public function fulltextMatchResult($searchword, $resultTokens = 60, $ellipsis = '...', $beginModifier = '<b>', $endModifier = '</b>')
{
$query = $this->buildQueryString();
$results = $this->indexClient->query($query);
$queryParameters = array();
$identifierParameters = array();
foreach ($results as $key => $result) {
$parameterName = ':possibleIdentifier' . $key;
$identifierParameters[] = $parameterName;
$queryParameters[$parameterName] = $result['__identifier__'];
}
$queryParameters[':beginModifier'] = $beginModifier;
$queryParameters[':endModifier'] = $endModifier;
$queryParameters[':ellipsis'] = $ellipsis;
$queryParameters[':resultTokens'] = $resultTokens * -1;
$matchQuery = 'SELECT snippet(fulltext, :beginModifier, :endModifier, :ellipsis, -1, :resultTokens) as snippet FROM fulltext WHERE fulltext MATCH :searchword AND __identifier__ IN (' . implode(',', $identifierParameters) . ') LIMIT 1;';
$queryParameters[':searchword'] = $searchword;
$matchSnippet = $this->indexClient->executeStatement($matchQuery, $queryParameters);
if (isset($matchSnippet[0]['snippet']) && $matchSnippet[0]['snippet'] !== '') {
$match = $matchSnippet[0]['snippet'];
} else {
$match = '';
}
return $match;
}
/**
* @param NodeInterface $node
* @param array $fulltext
*/
protected function addFulltextToRoot(NodeInterface $node, $fulltext)
{
$fulltextRoot = $this->findFulltextRoot($node);
if ($fulltextRoot !== NULL) {
$identifier = $this->generateUniqueNodeIdentifier($fulltextRoot);
$this->indexClient->addToFulltext($fulltext, $identifier);
}
}
/**
* Utility to check the content of the index.
*
* @param string $queryString
*/
public function findCommand($queryString)
{
$result = $this->indexClient->query($queryString);
$this->output->outputTable($result);
}
