/**
  * Add a document to the index
  *
  * @param unique_id   str: the song's unique id
  * @param song_name   str: song name
  * @param artist_name str: artist name
  * @param artist_name str: album name
  * @param genre_name  str: genre name
  * @param tags        str: any other tags/words to describe the track
  * @return            bol: true on success
  */
 public function doAddDocument($unique_id, $song_name, $artist_name, $album_name, $genre_name, $tags = null)
 {
     $boost = false;
     $doc = new sfLuceneDocument();
     $doc->setField('song_name', strtolower($song_name), $boost);
     $doc->setField('artist_name', strtolower($artist_name), $boost);
     $doc->setField('album_name', strtolower($album_name), $boost);
     $doc->setField('genre_name', strtolower($genre_name), $boost);
     $doc->setField('tags', strtolower($tags), $boost);
     $doc->setField('sfl_guid', $unique_id);
     $this->service->addDocument($doc);
     unset($doc);
     return true;
 }
 /**
  * Builds the fields into the document as configured by the parameters.
  */
 protected function configureDocumentFields(sfLuceneDocument $doc)
 {
     $properties = $this->getModelProperties();
     // loop through each field
     foreach ($properties->get('fields')->getNames() as $field) {
         $field_properties = $properties->get('fields')->get($field);
         $value = $this->getFieldValue($field, $field_properties);
         // do not index null value
         if ($value === null || is_array($value) && empty($value)) {
             continue;
         }
         $type = $field_properties->get('type');
         $boost = $field_properties->get('boost');
         // validate value to make sure we can really index this
         if (is_object($value) && method_exists($value, '__toString')) {
             $value = $value->__toString();
         } elseif (is_null($value)) {
             $value = '';
         } elseif (is_array($value) && $field_properties->get('multiValued')) {
             // nothing to do ;)
         } elseif (!is_scalar($value)) {
             throw new sfLuceneIndexerException('Field value returned is not a string (got a ' . gettype($value) . ' ) and it could be casted to a string for field ' . $field);
         }
         // handle a possible transformation function
         if ($transform = $field_properties->get('transform')) {
             if (!is_callable($transform)) {
                 throw new sfLuceneIndexerException('Transformation function ' . $transform . ' does not exist');
             }
         } elseif ($type === 'boolean') {
             $transform = array($this, 'forceBooleanString');
         }
         if (!is_array($value)) {
             $value = array($value);
         }
         foreach ($value as $pos => $v) {
             if ($transform) {
                 $value[$pos] = call_user_func($transform, $v);
             }
         }
         $doc->setField($field, $value, $boost);
     }
     return $doc;
 }
 /**
  * Adds a document to the index while attaching a GUID
  */
 protected function addDocument(sfLuceneDocument $document, $guid)
 {
     $document->setField('sfl_guid', $guid);
     $timer = sfTimerManager::getTimer('Solr Search Lucene');
     $this->getSearch()->getLucene()->addDocument($document);
     $timer->addTime();
 }