Find a discussion by ID, optionally making sure it is visible to a
certain user, or throw an exception.
|
public findOrFail ( integer $id, |
||
| $id | integer | |
| $user | ||
| return | ||
/**
* @param PostReply $command
* @return CommentPost
* @throws \Flarum\Core\Exception\PermissionDeniedException
*/
public function handle(PostReply $command)
{
$actor = $command->actor;
// Make sure the user has permission to reply to this discussion. First,
// make sure the discussion exists and that the user has permission to
// view it; if not, fail with a ModelNotFound exception so we don't give
// away the existence of the discussion. If the user is allowed to view
// it, check if they have permission to reply.
$discussion = $this->discussions->findOrFail($command->discussionId, $actor);
$this->assertCan($actor, 'reply', $discussion);
// Create a new Post entity, persist it, and dispatch domain events.
// Before persistence, though, fire an event to give plugins an
// opportunity to alter the post entity based on data in the command.
$post = CommentPost::reply($discussion->id, array_get($command->data, 'attributes.content'), $actor->id, $command->ipAddress);
if ($actor->isAdmin() && ($time = array_get($command->data, 'attributes.time'))) {
$post->time = new DateTime($time);
}
$this->events->fire(new PostWillBeSaved($post, $actor, $command->data));
$this->validator->assertValid($post->getAttributes());
$post->save();
$this->notifications->onePerUser(function () use($post, $actor) {
$this->dispatchEventsFor($post, $actor);
});
return $post;
}
/**
* @param DeleteDiscussion $command
* @return \Flarum\Core\Discussion
* @throws PermissionDeniedException
*/
public function handle(DeleteDiscussion $command)
{
$actor = $command->actor;
$discussion = $this->discussions->findOrFail($command->discussionId, $actor);
$this->assertCan($actor, 'delete', $discussion);
$this->events->fire(new DiscussionWillBeDeleted($discussion, $actor, $command->data));
$discussion->delete();
$this->dispatchEventsFor($discussion, $actor);
return $discussion;
}
/**
* {@inheritdoc}
*/
protected function data(ServerRequestInterface $request, Document $document)
{
$discussionId = array_get($request->getQueryParams(), 'id');
$actor = $request->getAttribute('actor');
$include = $this->extractInclude($request);
$discussion = $this->discussions->findOrFail($discussionId, $actor);
if (in_array('posts', $include)) {
$postRelationships = $this->getPostRelationships($include);
$this->includePosts($discussion, $request, $postRelationships);
}
return $discussion;
}
/**
* @param ReadDiscussion $command
* @return \Flarum\Core\DiscussionState
* @throws \Flarum\Core\Exception\PermissionDeniedException
*/
public function handle(ReadDiscussion $command)
{
$actor = $command->actor;
$this->assertRegistered($actor);
$discussion = $this->discussions->findOrFail($command->discussionId, $actor);
$state = $discussion->stateFor($actor);
$state->read($command->readNumber);
$this->events->fire(new DiscussionStateWillBeSaved($state));
$state->save();
$this->dispatchEventsFor($state);
return $state;
}
/**
* @param EditDiscussion $command
* @return \Flarum\Core\Discussion
* @throws PermissionDeniedException
*/
public function handle(EditDiscussion $command)
{
$actor = $command->actor;
$data = $command->data;
$attributes = array_get($data, 'attributes', []);
$discussion = $this->discussions->findOrFail($command->discussionId, $actor);
if (isset($attributes['title'])) {
$this->assertCan($actor, 'rename', $discussion);
$discussion->rename($attributes['title']);
}
if (isset($attributes['isHidden'])) {
$this->assertCan($actor, 'hide', $discussion);
if ($attributes['isHidden']) {
$discussion->hide($actor);
} else {
$discussion->restore();
}
}
$this->events->fire(new DiscussionWillBeSaved($discussion, $actor, $data));
$this->validator->assertValid($discussion->getDirty());
$discussion->save();
$this->dispatchEventsFor($discussion, $actor);
return $discussion;
}
