FSi\Bundle\AdminBundle\Admin\CRUD\Context\Request\BatchFormValidRequestHandler

Complexity

Total Complexity

18

Size/Duplication

Total Lines	127
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	10

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	8	1
A	action()	0	15	3
A	getObjects()	0	21	4
A	isValidPostRequest()	0	15	4
A	getRedirectResponse()	0	8	2
A	getPreSaveEventName()	0	4	1
A	getPostSaveEventName()	0	4	1
A	setWarningMessage()	0	6	2

<?php

/**
 * (c) FSi sp. z o.o. <info@fsi.pl>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace FSi\Bundle\AdminBundle\Admin\CRUD\Context\Request;

use FSi\Bundle\AdminBundle\Admin\Context\Request\AbstractFormValidRequestHandler;
use FSi\Bundle\AdminBundle\Admin\CRUD\BatchElement;
use FSi\Bundle\AdminBundle\Admin\CRUD\DeleteElement;
use FSi\Bundle\AdminBundle\Event\BatchEvents;
use FSi\Bundle\AdminBundle\Event\FormEvent;
use FSi\Bundle\AdminBundle\Exception\RequestHandlerException;
use FSi\Bundle\AdminBundle\Message\FlashMessages;
use LogicException;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\RouterInterface;

class BatchFormValidRequestHandler extends AbstractFormValidRequestHandler
{
    /**
     * @var \FSi\Bundle\AdminBundle\Message\FlashMessages
     */
    private $flashMessages;

    /**
     * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $eventDispatcher
     * @param \Symfony\Component\Routing\RouterInterface $router
     * @param \FSi\Bundle\AdminBundle\Message\FlashMessages|null
     */
    public function __construct(
        EventDispatcherInterface $eventDispatcher,
        RouterInterface $router,
        FlashMessages $flashMessages = null
    ) {
        parent::__construct($eventDispatcher, $router);
        $this->flashMessages = $flashMessages;
    }

    /**
     * @param \FSi\Bundle\AdminBundle\Event\FormEvent $event
     * @param \Symfony\Component\HttpFoundation\Request $request
     */
    protected function action(FormEvent $event, Request $request)
    {
        /** @var \FSi\Bundle\AdminBundle\Admin\CRUD\BatchElement $element */
        $element = $event->getElement();
        $objects = $this->getObjects($element, $request);

        if (empty($objects)) {
            $this->setWarningMessage();
            return;
        }

        foreach ($objects as $object) {
            $element->apply($object);
        }
    }

    /**
     * @param \FSi\Bundle\AdminBundle\Admin\CRUD\BatchElement $element
     * @param \Symfony\Component\HttpFoundation\Request $request
     * @return array
     * @throws \FSi\Bundle\AdminBundle\Exception\RequestHandlerException
     */
    private function getObjects(BatchElement $element, Request $request)
    {
        $objects = [];
        $indexes = $request->request->get('indexes', []);

        if (!count($indexes)) {
            return [];
        }

        foreach ($indexes as $index) {
            $object = $element->getDataIndexer()->getData($index);

            if (!isset($object)) {
                throw new RequestHandlerException(sprintf("Can't find object with id %s", $index));
            }

            $objects[] = $object;
        }

        return $objects;
    }

    /**
     * @param \FSi\Bundle\AdminBundle\Event\FormEvent $event
     * @param \Symfony\Component\HttpFoundation\Request $request
     * @return bool
     */
    protected function isValidPostRequest(FormEvent $event, Request $request)
    {
        $element = $event->getElement();
        if ($element instanceof DeleteElement
            && $element->hasOption('allow_delete')
            && !$element->getOption('allow_delete')
        ) {
            throw new LogicException(sprintf(
                'Tried to delete objects through element "%s", which has option "allow_delete" set to false',
                get_class($element)
            ));
        }

        return parent::isValidPostRequest($event, $request);
    }

    /**
     * @param FormEvent $event
     * @param Request $request
     * @return RedirectResponse
     */
    protected function getRedirectResponse(FormEvent $event, Request $request)
    {
        if ($request->query->has('redirect_uri')) {
            return new RedirectResponse($request->query->get('redirect_uri'));
        }

        return parent::getRedirectResponse($event, $request);
    }

    /**
     * @return string
     */
    protected function getPreSaveEventName()
    {
        return BatchEvents::BATCH_OBJECTS_PRE_APPLY;
    }

    /**
     * @return string
     */
    protected function getPostSaveEventName()
    {
        return BatchEvents::BATCH_OBJECTS_POST_APPLY;
    }

    private function setWarningMessage()
    {
        if ($this->flashMessages) {
            $this->flashMessages->warning('messages.batch.no_elements');
        }
    }
}