/**
* Store the Facet values for a given Sphinx query.
* If replace is TRUE, always rewrite the values in the cache.
* If sticky is TRUE, make the cached values always survive.
*
* @param MultiFieldQuery $query Sphinx query as a MultiFieldQuery object.
* @param array $facets Array of Facet objects.
* @param boolean $replace Whether to replace existing values.
* @param boolean $sticky Whether to make the cached values sticky (for preloaded Facets).
* @return boolean TRUE on success, FALSE on failure.
*/
public function setFacets(MultiFieldQuery $query, array $facets, $replace = false, $sticky = false)
{
$key = $this->getKey($query->toCanonical());
$results = array();
foreach ($facets as $facet) {
$results[] = $facet->getResults();
}
$results = serialize($results);
return $this->_cache->set($key, $results, $replace, $sticky);
}
/**
* Used internally to set the computed Facet results, metadata and terms.
*
* @param MultiFieldQuery $query Sphinx query as a MultiFieldQuery object.
* @param array $results Computed results from Sphinx.
* @param DataSourceInterface $datasource Data source object.
*/
public function setValues(MultiFieldQuery $query, array $results, DataSourceInterface $datasource = null)
{
foreach (array_keys($this->_results) as $key) {
if ($key != 'matches' && array_key_exists($key, $results)) {
$this->_results[$key] = $results[$key];
}
}
if (!isset($results['matches'])) {
return;
}
$terms = array();
// internal data source always overrides external data source
if ($this->_datasource) {
$datasource = $this->_datasource;
}
// fetch string terms if data source attached and configured
if ($datasource && $this->_source) {
$terms = $datasource->fetchTerms($results['matches'], $this->_source, function ($match) {
return $match['attrs']['@groupby'];
});
}
// extend results array with additional attributes (@term, @selected)
foreach ($results['matches'] as $match) {
if (count($terms) && isset($terms[$match['attrs']['@groupby']])) {
$match['@hit'] = $terms[$match['attrs']['@groupby']];
} else {
$match['@hit'] = $match['attrs']['@groupby'];
}
$value = array();
foreach ($match['attrs'] as $key => $item) {
if ($key[0] == '@') {
$value[$key] = $item;
}
}
$value['@term'] = $match['@hit'];
$value['@groupfunc'] = isset($value['@groupfunc']) ? $value['@groupfunc'] : $value['@count'];
$term = sprintf('@%s %s', $this->_sph_field, strtolower($value['@term']));
$id = sprintf('@%s %s', $this->_sph_field, strtolower($value['@groupby']));
$value['@selected'] = $query->hasQueryTerm($term) || $query->hasQueryTerm($id) ? 'True' : 'False';
$this->_results['matches'][] = $value;
}
// supply the query object with matched terms as well
foreach ($query as $qt) {
if ($qt->hasField($this->_sph_field) && isset($terms[$qt->getTerm()])) {
$qt->setUserTerm($terms[$qt->getTerm()]);
}
}
}
