function AjaxPageState::handle

File

core/lib/Drupal/Core/StackMiddleware/AjaxPageState.php, line 27

Class

AjaxPageState

Expands the compressed ajax_page_state query parameter into an array.

Namespace

Code

public function handle(Request $request, $type = self::MAIN_REQUEST, $catch = TRUE) : Response {
    if ($type === static::MAIN_REQUEST) {
        $request_ajax_page_state = [];
        if ($request->request
            ->has('ajax_page_state')) {
            $request_ajax_page_state = $this->parseAjaxPageState($request->request
                ->all('ajax_page_state'));
            $request->request
                ->set('ajax_page_state', $request_ajax_page_state);
        }
        $query_ajax_page_state = [];
        if ($request->query
            ->has('ajax_page_state')) {
            $query_ajax_page_state = $this->parseAjaxPageState($request->query
                ->all('ajax_page_state'));
            $request->query
                ->set('ajax_page_state', $query_ajax_page_state);
        }
        // If libraries are present in both the request and the query, ensure they
        // match by merging them together.
        if (!empty($request_ajax_page_state['libraries']) && !empty($query_ajax_page_state['libraries'])) {
            $request_libraries = explode(',', $request_ajax_page_state['libraries']);
            $query_libraries = explode(',', $query_ajax_page_state['libraries']);
            $libraries = implode(',', array_unique(array_merge($request_libraries, $query_libraries)));
            $request_ajax_page_state['libraries'] = $libraries;
            $query_ajax_page_state['libraries'] = $libraries;
            $request->request
                ->set('ajax_page_state', $request_ajax_page_state);
            $request->query
                ->set('ajax_page_state', $query_ajax_page_state);
        }
    }
    return $this->httpKernel
        ->handle($request, $type, $catch);
}