public function create(Topic $topic)
{
if (!($category = $topic->getCategory())) {
throw new LogicException('Each topic must have a category');
}
$category->incrementNumTopics();
$category->setLastTopic($topic);
}
public function remove(Topic $topic)
{
$category = $topic->getCategory();
foreach ($this->getTopicPosts($topic) as $post) {
$this->objectManager->remove($post);
}
$this->objectManager->remove($topic);
// Must flush because the category updater will fetch topics from DB
$this->objectManager->flush();
$this->categoryUpdater->update($category);
}
public function getTopicNumPages(Topic $topic)
{
return ceil($topic->getNumPosts() / $this->nbPostsPerPage);
}
