public function up(EventEmitterInterface $globalEmitter)
{
$ps = $this->postService;
$as = $this->attachmentService;
$ps->getEventEmitter()->on(PostService::EVENT_CREATE, function (Post $post) use($as, $ps) {
if ($post->hasAttachments()) {
array_map(function (int $attachmentId) use($post, $as, $ps) {
$as->attach(new PostAttachmentOwner($post->getId()), $as->getById($attachmentId));
}, $post->getAttachmentIds());
}
});
$ps->getEventEmitter()->on(PostService::EVENT_DELETE, function (Post $post) use($as) {
if ($post->hasAttachments()) {
array_map(function (Attachment $attachment) use($as) {
$as->destroy($attachment);
}, $this->attachmentService->getManyByIds($post->getAttachmentIds()));
}
});
}
private function formatAttachments(Post $post) : array
{
return array_map(function (Attachment $attachment) {
return $this->attachmentFormatter->format($attachment);
}, $this->attachmentService->getManyByIds($post->getAttachmentIds()));
}