icingaweb2-module-graphite/library/Graphite/Web/Controller/IcingadbGraphiteController.php

<?php

namespace Icinga\Module\Graphite\Web\Controller;

use Icinga\Module\Icingadb\Common\Auth;
use Icinga\Module\Icingadb\Common\Database;
use Icinga\Module\Icingadb\Common\SearchControls;
use ipl\Orm\Query;
use ipl\Orm\UnionQuery;
use ipl\Stdlib\Contract\Paginatable;
use ipl\Web\Compat\CompatController;
use ipl\Web\Control\LimitControl;
use ipl\Web\Control\PaginationControl;
use ipl\Web\Control\SortControl;
use ipl\Web\Filter\QueryString;
use ipl\Stdlib\Filter;
use ipl\Web\Url;

class IcingadbGraphiteController extends CompatController
{
    use Auth;
    use Database;
    use SearchControls;

    /** @var Filter\Rule Filter from query string parameters */
    private $filter;

    /** @var string|null */
    private $format;

    /**
     * Get the filter created from query string parameters
     *
     * @return Filter\Rule
     */
    public function getFilter(): Filter\Rule
    {
        if ($this->filter === null) {
            $this->filter = QueryString::parse((string) $this->params);
        }

        return $this->filter;
    }
    /**
     * Create and return the LimitControl
     *
     * This automatically shifts the limit URL parameter from {@link $params}.
     *
     * @return LimitControl
     */
    public function createLimitControl(): LimitControl
    {
        $limitControl = new LimitControl(Url::fromRequest());
        $limitControl->setDefaultLimit($this->getPageSize(null));

        $this->params->shift($limitControl->getLimitParam());

        return $limitControl;
    }

    public function filter(Query $query, Filter\Rule $filter = null): self
    {
        //TODO don't need format?
        if ($this->format !== 'sql' || $this->hasPermission('config/authentication/roles/show')) {
            $this->applyRestrictions($query);
        }

        if ($query instanceof UnionQuery) {
            foreach ($query->getUnions() as $query) {
                $query->filter($filter ?: $this->getFilter());
            }
        } else {
            $query->filter($filter ?: $this->getFilter());
        }

        return $this;
    }

    /**
     * Create and return the PaginationControl
     *
     * This automatically shifts the pagination URL parameters from {@link $params}.
     *
     * @return PaginationControl
     */
    public function createPaginationControl(Paginatable $paginatable): PaginationControl
    {
        $paginationControl = new PaginationControl($paginatable, Url::fromRequest());
        $paginationControl->setDefaultPageSize($this->getPageSize(null));
        $paginationControl->setAttribute('id', $this->getRequest()->protectId('pagination-control'));

        $this->params->shift($paginationControl->getPageParam());
        $this->params->shift($paginationControl->getPageSizeParam());

        return $paginationControl->apply();
    }

    /**
     * Create and return the SortControl
     *
     * This automatically shifts the sort URL parameter from {@link $params}.
     *
     * @param Query $query
     * @param array $columns Possible sort columns as sort string-label pairs
     *
     * @return SortControl
     */
    public function createSortControl(Query $query, array $columns): SortControl
    {
        $sortControl = SortControl::create($columns);

        $this->params->shift($sortControl->getSortParam());

        return $sortControl->apply($query);
    }

    public function preDispatch()
    {
        parent::preDispatch();

        $this->format = $this->params->shift('format');
    }
}