protected function findPage($page)
{
$crawler = $this->doRequest($page);
$urls = $this->extractPageUrls($crawler);
$repositories = array();
foreach ($urls as $url) {
$repository = $this->extractUrlRepository($url);
if (null !== $repository && !in_array($repository, $repositories)) {
$repositories[] = $repository;
}
}
return $repositories;
}