public function suggestedTerms()
{
if ( mb_strlen($this->searchQuery, 'UTF-8') < 3 )
{
return array();
}
eZDebug::accumulatorStart(__CLASS__.'::'.__FUNCTION__, 'Merck' );
$solrHighlightParams = $this->solrHighlightParams();
$suggestions = array();
$filters = array();
$solrFilter = $this->solrFilter();
$solrFacetsFiler = $this->solrFacetsFilter();
if( $solrFilter )
$filters[] = $solrFilter;
if( $solrFacetsFiler )
$filters[] = $solrFacetsFiler;
$queries = array();
$terms = MMGlobalSearchDictionaryTerm::fetchSolrTerms( $this->searchQuery, null, $this->suggestedTermsLimit() * 3 );
foreach( $terms as $term )
{
$query = array();
foreach( explode( ' ', $solrHighlightParams['hl.fl'] ) as $field )
$query[] = $field.':"'.addslashes( $term ).'"';
$queries[] = implode( ' OR ', $query );
}
$params = array(
'start' => 0,
'rows' => 0,
'q' => '*:*',
'fq' => implode(' AND ' , $filters),
'facet' => 'true',
'facet.query' => $queries,
);
$solrResults = SolrTool::rawSearch( $params );
$i = 0;
foreach( $solrResults['facet_counts']['facet_queries'] as $solrTerm => $solrTermCount )
{
if( $solrTermCount )
{
$term = $terms[$i];
if( strtolower( trim( $term ) ) != strtolower( trim( $this->searchQuery, ' "' ) ) )
{
$suggestions[] = array(
't' => $term,
'c' => $solrTermCount);
if( count( $suggestions ) >= $this->suggestedTermsLimit() )
break;
}
}
$i++;
}
// sort
usort( $suggestions, function($a, $b){
return ($a['c'] < $b['c']);
} );
eZDebug::accumulatorStop( __CLASS__.'::'.__FUNCTION__ );
return $suggestions;
}
