/**
* test adding an item
*
* @return void
*/
public function testAddItem()
{
$header = new LinkHeader(array());
$item = new LinkHeaderItem('urn:uri');
$header->add($item);
$links = $header->all();
$this->assertSame($item, $links[0]);
}
/**
* generate link header passed on params and type
*
* @param string $routeName use with router to generate urls
* @param integer $page page to link to
* @param integer $perPage number of items per page
* @param string $type rel type of link to generate
* @param array $additionalParams Optional array of additional params to include
*
* @return string
*/
private function generateLink($routeName, $page, $perPage, $type, $additionalParams = array())
{
$parameters = array_merge($additionalParams, array('page' => $page));
if ($perPage) {
$parameters['perPage'] = $perPage;
}
$url = $this->router->generate($routeName, $parameters, true);
$this->linkHeader->add(new LinkHeaderItem($url, array('rel' => $type)));
}
/**
* generate link header passed on params and type
*
* @param string $routeName use with router to generate urls
* @param integer $page page to link to
* @param integer $perPage number of items per page
* @param string $type rel type of link to generate
* @param Request $request request to get rawRql from
* @param string $rql rql query string
*
* @return string
*/
private function generateLink($routeName, $page, $perPage, $type, Request $request, $rql)
{
$limit = '';
if ($perPage) {
$page = ($page - 1) * $perPage;
$limit = sprintf('limit(%s,%s)', $perPage, $page);
}
if (strpos($rql, 'limit') !== false) {
$rql = preg_replace('/limit\\(.*\\)/', $limit, $rql);
} else {
$rql = $limit;
}
$url = $this->getRqlUrl($request, $this->router->generate($routeName, [], true) . '?' . strtr($rql, [',' => '%2C']));
$this->linkHeader->add(new LinkHeaderItem($url, array('rel' => $type)));
}
/**
* Prepares the header field containing information about pagination.
*
* @return string
*/
protected function prepareLinkHeader()
{
$links = new LinkHeader(array());
$links->add(new LinkHeaderItem($this->router->generate('graviton.core.rest.app.all', array(), true), array('rel' => 'apps', 'type' => 'application/json')));
return (string) $links;
}
