/**
* @param StartDiscussion $command
* @return mixed
* @throws Exception
*/
public function handle(StartDiscussion $command)
{
$actor = $command->actor;
$data = $command->data;
$this->assertCan($actor, 'startDiscussion');
// Create a new Discussion entity, persist it, and dispatch domain
// events. Before persistence, though, fire an event to give plugins
// an opportunity to alter the discussion entity based on data in the
// command they may have passed through in the controller.
$discussion = Discussion::start(array_get($data, 'attributes.title'), $actor);
$this->events->fire(new DiscussionWillBeSaved($discussion, $actor, $data));
$this->validator->assertValid($discussion->getAttributes());
$discussion->save();
// Now that the discussion has been created, we can add the first post.
// We will do this by running the PostReply command.
try {
$post = $this->bus->dispatch(new PostReply($discussion->id, $actor, $data));
} catch (Exception $e) {
$discussion->delete();
throw $e;
}
// Before we dispatch events, refresh our discussion instance's
// attributes as posting the reply will have changed some of them (e.g.
// last_time.)
$discussion->setRawAttributes($post->discussion->getAttributes(), true);
$discussion->setStartPost($post);
$discussion->setLastPost($post);
$this->dispatchEventsFor($discussion, $actor);
$discussion->save();
return $discussion;
}
/**
* @param SplitDiscussion $command
* @return \Flarum\Core\Discussion
*/
public function handle(SplitDiscussion $command)
{
$this->assertCan($command->actor, 'split');
$this->validator->assertValid(['start_post_id' => $command->start_post_id, 'end_post_id' => $command->end_post_id, 'title' => $command->title]);
// load the first selected post to split.
$startPost = $this->posts->findOrFail($command->start_post_id, $command->actor);
// load the discussion this split action is taking place on.
$originalDiscussion = $startPost->discussion;
// create a new discussion for the user of the first splitted reply.
$discussion = Discussion::start($command->title, $startPost->user);
$discussion->setStartPost($startPost);
if (!empty($originalDiscussion->tags)) {
$discussion->tags()->sync($originalDiscussion->tags);
}
// persist the new discussion.
$discussion->save();
// update all posts that are split.
$affectedPosts = $this->assignPostsToDiscussion($originalDiscussion, $discussion, $startPost->id, $command->end_post_id);
$originalDiscussion = $this->refreshDiscussion($originalDiscussion);
$discussion = $this->refreshDiscussion($discussion);
$this->events->fire(new DiscussionWasSplit($command->actor, $affectedPosts, $originalDiscussion, $discussion));
return $discussion;
}
