/**
* Return spelled string
*
* @param string $baseQuery
* @return string
*/
public function getSuggest($baseQuery)
{
$this->diffs = [];
$this->keys = [];
$final = [];
$baseQuery = $this->text->cleanString($baseQuery);
$queries = $this->text->splitWords($baseQuery);
foreach ($queries as $query) {
$len = $this->text->strlen($query);
if ($len < $this->text->getGram() || is_numeric($query)) {
$final[] = $query;
continue;
}
$result = $this->getBestMatch($query);
$keyword = $result['keyword'];
$this->split($query, '', $query);
$splitKeyword = '';
if (count($this->diffs)) {
arsort($this->diffs);
$keys = array_keys($this->diffs);
$key = $keys[0];
$splitKeyword = $this->keys[$key];
}
$basePer = $this->damerau->similarity($query, $keyword);
$splitPer = $this->damerau->similarity($query, $splitKeyword);
if ($basePer > $splitPer) {
$final[] = $keyword;
} else {
$final[] = $splitKeyword;
}
}
$result = implode(' ', $final);
if ($this->damerau->similarity($result, $baseQuery) < 50) {
$result = '';
}
return $result;
}
/**
* Split string to words
*
* @param string $string
* @param array &$results
* @param int $increment
* @return void
*/
protected function split($string, &$results, $increment = 1)
{
$string = $this->text->cleanString($string);
$words = $this->text->splitWords($string);
foreach ($words as $word) {
if ($this->text->strlen($word) >= $this->text->getGram() && !is_numeric($word) && $this->text->strlen($word) <= 10) {
$word = $this->text->strtolower($word);
if (!isset($results[$word])) {
$results[$word] = $increment;
} else {
$results[$word] += $increment;
}
}
}
}
/**
* Fallback
*
* @param string $text
* @return string
*/
public function fallback($text)
{
$arQuery = $this->text->splitWords($text);
for ($i = 1; $i < count($arQuery); $i++) {
$combinations = $this->fallbackCombinations($arQuery, $i);
foreach ($combinations as $combination) {
$newQuery = $text;
foreach ($combination as $word) {
$newQuery = str_replace($word, '', $newQuery);
$cntResults = $this->getNumResults($newQuery);
if ($cntResults > 0) {
$newQuery = preg_replace('/\\s{2,}/', ' ', $newQuery);
return trim($newQuery);
}
}
}
}
return false;
}
/**
* @param null|string $expected
* @param string $data
* @dataProvider prepareSplitWordsProvider
*/
public function testSplitWords($expected, $data)
{
$this->assertEquals($expected, $this->model->splitWords($data));
}
