Returns a whole set of links for navigating to the first, last, next and previous pages.
/**
* Serializes a pagination into an array.
* @param \yii\data\Pagination $pagination
* @return array the array representation of the pagination
* @see addPaginationHeaders()
*/
protected function serializePagination($pagination)
{
if ($this->serializedPagination !== null) {
return $this->serializedPagination;
}
/** @var \yii\rest\Serializer $serializer */
$serializer = $this->serializer;
return $this->serializedPagination = [$serializer->linksEnvelope => \yii\web\Link::serialize($pagination->getLinks(true)), $serializer->metaEnvelope => ['totalCount' => $pagination->totalCount, 'pageCount' => $pagination->getPageCount(), 'currentPage' => $pagination->getPage() + 1, 'perPage' => $pagination->getPageSize()]];
}
/**
* Adds HTTP headers about the pagination to the response.
* @param Pagination $pagination
*/
protected function addPaginationHeaders($pagination)
{
$links = [];
foreach ($pagination->getLinks(true) as $rel => $url) {
$links[] = "<{$url}>; rel={$rel}";
}
$this->response->getHeaders()->set($this->totalCountHeader, $pagination->totalCount)->set($this->pageCountHeader, $pagination->getPageCount())->set($this->currentPageHeader, $pagination->getPage() + 1)->set($this->perPageHeader, $pagination->pageSize)->set('Link', implode(', ', $links));
}
/**
* Serializes a pagination into an array.
* @param Pagination $pagination
* @return array the array representation of the pagination
* @see addPaginationHeaders()
*/
protected function serializePagination($pagination)
{
return [$this->linksEnvelope => Link::serialize($pagination->getLinks(true)), $this->metaEnvelope => ['total-count' => $pagination->totalCount, 'page-count' => $pagination->getPageCount(), 'current-page' => $pagination->getPage() + 1, 'per-page' => $pagination->getPageSize()]];
}
