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ReadDiscussionHandler.php
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ReadDiscussionHandler.php
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<?php
/*
* This file is part of Flarum.
*
* For detailed copyright and license information, please view the
* LICENSE file that was distributed with this source code.
*/
namespace Flarum\Discussion\Command;
use Flarum\Discussion\DiscussionRepository;
use Flarum\Discussion\Event\UserDataSaving;
use Flarum\Foundation\DispatchEventsTrait;
use Illuminate\Contracts\Events\Dispatcher;
class ReadDiscussionHandler
{
use DispatchEventsTrait;
/**
* @var DiscussionRepository
*/
protected $discussions;
/**
* @param Dispatcher $events
* @param DiscussionRepository $discussions
*/
public function __construct(Dispatcher $events, DiscussionRepository $discussions)
{
$this->events = $events;
$this->discussions = $discussions;
}
/**
* @param ReadDiscussion $command
* @return \Flarum\Discussion\UserState
* @throws \Flarum\User\Exception\PermissionDeniedException
*/
public function handle(ReadDiscussion $command)
{
$actor = $command->actor;
$actor->assertRegistered();
$discussion = $this->discussions->findOrFail($command->discussionId, $actor);
$state = $discussion->stateFor($actor);
$state->read($command->lastReadPostNumber);
$this->events->dispatch(
new UserDataSaving($state)
);
$state->save();
$this->dispatchEventsFor($state);
return $state;
}
}