/**
* @param Tracker $tracker
* @param array $hashes
* @return null|array
*/
public function scrape(Tracker $tracker, array $hashes)
{
$query = $this->prepareQueries($hashes);
if (empty($query)) {
return null;
}
return $this->collectData($tracker->getUrl(), $query);
}
/**
* @param string $url
* @param array $hashes
* @return array|bool
*/
public function scrape($url, array $hashes)
{
$tracker = Tracker::parse($url);
if (empty($tracker)) {
return false;
}
$scraper = $this->getScraperByScheme($tracker->scheme);
if (empty($scraper)) {
return false;
}
try {
return $scraper->scrape($tracker, $hashes);
} catch (ScraperException $e) {
return false;
}
}