protected function analyzeScore(array $resultDocument)
{
$highScores = array();
$debugData = $this->search->getDebugResponse()->explain->{$resultDocument['id']};
/* TODO Provide better parsing
*
* parsing could be done line by line,
* * recording indentation level
* * replacing abbreviations
* * replacing phrases like "product of" by mathematical symbols (* or x)
* * ...
*/
// matches search term weights, ex: 0.42218783 = (MATCH) weight(content:iPod^40.0 in 43), product of:
$pattern = '/(.*) = \\(MATCH\\) weight\\((.*)\\^/';
$matches = array();
preg_match_all($pattern, $debugData, $matches);
foreach ($matches[0] as $key => $value) {
// split field from search term
list($field, $searchTerm) = explode(':', $matches[2][$key]);
// keep track of highest score per search term
if (!isset($highScores[$field]) || $highScores[$field]['score'] < $matches[1][$key]) {
$highScores[$field] = array('score' => $matches[1][$key], 'field' => $field, 'searchTerm' => $searchTerm);
}
}
return $highScores;
}
