public function testCanInstantiateNewPaginationRequest()
{
$graphList = new GraphList($this->request, [], ['paging' => $this->cursorPagination], '/1234567890/likes');
$nextPage = $graphList->getNextPageRequest();
$prevPage = $graphList->getPreviousPageRequest();
$this->assertInstanceOf('Facebook\\FacebookRequest', $nextPage);
$this->assertInstanceOf('Facebook\\FacebookRequest', $prevPage);
$this->assertNotSame($this->request, $nextPage);
$this->assertNotSame($this->request, $prevPage);
$this->assertEquals('/v1337/1234567890/likes?access_token=foo_token&after=bar_after_cursor&appsecret_proof=857d5f035a894f16b4180f19966e055cdeab92d4d53017b13dccd6d43b6497af&foo=bar&keep=me', $nextPage->getUrl());
$this->assertEquals('/v1337/1234567890/likes?access_token=foo_token&appsecret_proof=857d5f035a894f16b4180f19966e055cdeab92d4d53017b13dccd6d43b6497af&before=bar_before_cursor&foo=bar&keep=me', $prevPage->getUrl());
}
/**
* Sends a request to Graph for the next page of results.
*
* @param GraphList $graphList The GraphList to paginate over.
* @param string $direction The direction of the pagination: next|previous.
*
* @return GraphList|null
*
* @throws FacebookSDKException
*/
public function getPaginationResults(GraphList $graphList, $direction)
{
$paginationRequest = $graphList->getPaginationRequest($direction);
if (!$paginationRequest) {
return null;
}
$this->lastResponse = $this->client->sendRequest($paginationRequest);
// Keep the same GraphObject subclass
$subClassName = $graphList->getSubClassName();
$graphList = $this->lastResponse->getGraphList($subClassName, false);
return count($graphList) > 0 ? $graphList : null;
}