characters = $characters;
$this->q = $q;
}
/**
* Transform the resource into an array.
*
* @param \Illuminate\Http\Request $request
* @return array
*/
public function toArray($request)
{
$result = [
'search' => $this->stringRangeMatch($this->search_content, $this->characters, $this->q, '<||>'),
'title' => $this->title,
'url' => $this->lang_uri ? $this->lang_uri : '/' . $this->lang_slug,
'contentType' => $this->content_type
];
switch (get_class($this->objectable)) {
case Document::class:
$result['document'] = new DocumentResource($this->objectable);
break;
}
return $result;
}
private function stringRangeMatch($string, $characters = null, $word, $match = '') {
$searchResults = array_filter(explode($match, $string));
$stringToReturn = '';
if (count($searchResults) > 0) {
$searchKey = false;
foreach ($searchResults as $key => $value) {
if (empty($stringToReturn)) {
$stringToReturn = $searchResults[$key];
}
if (stripos($value, $word) !== FALSE) {
$word = substr($value, stripos($value, $word), strlen($word));
$searchKey = $key;
}
}
if ($searchKey) {
$stringToReturn = $searchResults[$searchKey];
$characters = $characters - strlen($word);
$halfCharacters = round($characters / 2, 0, PHP_ROUND_HALF_DOWN);
$wordExploded = explode(strtolower($word), strtolower($stringToReturn));
$beforeWord = $wordExploded[0];
$afterWord = $wordExploded[1];
if (strlen($stringToReturn) > $characters){
if (strlen($beforeWord) < $halfCharacters) {
$leftSide = substr($beforeWord, strlen($beforeWord));
$rightSide = substr($afterWord, 0, strripos(substr($afterWord, 0, $halfCharacters + ($halfCharacters - strlen($beforeWord))), ' ')) . '...';
} elseif (strlen($afterWord) < $halfCharacters) {
$leftSide = '...' . substr($beforeWord, 0, strripos(substr($beforeWord, 0, $halfCharacters + ($halfCharacters - strlen($afterWord))), ' ')) . ' ';
$rightSide = substr($afterWord, 0, strlen($afterWord));
} else {
$leftSide = '...' . ltrim(substr($beforeWord, strripos(substr($beforeWord, 0, strlen($beforeWord) - $halfCharacters), ' ')));
$rightSide = substr($afterWord, 0, strripos(substr($beforeWord, 0, $halfCharacters), ' ')) . '...';
}
$stringToReturn = $leftSide . '' . $word . '' . $rightSide;
} else {
$stringToReturn = $beforeWord . '' . $word . '' . $afterWord;
}
}
}
return $stringToReturn;
}
}