public function testSlashesAreProperlyPrepended()
{
$slashTestOne = FacebookUrlManipulator::forceSlashPrefix('foo');
$slashTestTwo = FacebookUrlManipulator::forceSlashPrefix('/foo');
$slashTestThree = FacebookUrlManipulator::forceSlashPrefix('foo/bar');
$slashTestFour = FacebookUrlManipulator::forceSlashPrefix('/foo/bar');
$slashTestFive = FacebookUrlManipulator::forceSlashPrefix(null);
$slashTestSix = FacebookUrlManipulator::forceSlashPrefix('');
$this->assertEquals('/foo', $slashTestOne);
$this->assertEquals('/foo', $slashTestTwo);
$this->assertEquals('/foo/bar', $slashTestThree);
$this->assertEquals('/foo/bar', $slashTestFour);
$this->assertEquals(null, $slashTestFive);
$this->assertEquals('', $slashTestSix);
}
/**
* Generate and return the URL for this request.
*
* @return string
*/
public function getUrl()
{
$this->validateMethod();
$graphVersion = FacebookUrlManipulator::forceSlashPrefix($this->graphVersion);
$endpoint = FacebookUrlManipulator::forceSlashPrefix($this->getEndpoint());
$url = $graphVersion . $endpoint;
if ($this->getMethod() !== 'POST') {
$params = $this->getParams();
$url = FacebookUrlManipulator::appendParamsToUrl($url, $params);
}
return $url;
}
/**
* Generates a pagination URL based on a cursor.
*
* @param string $direction The direction of the page: next|previous
*
* @return string|null
*
* @throws FacebookSDKException
*/
public function getPaginationUrl($direction)
{
$this->validateForPagination();
// Do we have a paging URL?
if (isset($this->metaData['paging'][$direction])) {
// Graph returns the full URL with all the original params.
// We just want the endpoint though.
$pageUrl = $this->metaData['paging'][$direction];
return FacebookUrlManipulator::baseGraphUrlEndpoint($pageUrl);
}
// Do we have a cursor to work with?
$cursorDirection = $direction === 'next' ? 'after' : 'before';
$cursor = $this->getCursor($cursorDirection);
if (!$cursor) {
return null;
}
// If we don't know the ID of the parent node, this ain't gonna work.
if (!$this->parentEdgeEndpoint) {
return null;
}
// We have the parent node ID, paging cursor & original request.
// These were the ingredients chosen to create the perfect little URL.
$pageUrl = $this->parentEdgeEndpoint . '?' . $cursorDirection . '=' . urlencode($cursor);
// Pull in the original params
$originalUrl = $this->request->getUrl();
$pageUrl = FacebookUrlManipulator::mergeUrlParams($originalUrl, $pageUrl);
return FacebookUrlManipulator::forceSlashPrefix($pageUrl);
}
