+ $post = Post::selectFirst(['uri-id'], ['id' => $id]);
+ $stored = Post\Category::storeFileByURIId($post['uri-id'], $uid, Post\Category::SUBCRIPTION, $tag);
+ Logger::debug('Stored tag subscription for user', ['uri-id' => $post['uri-id'], 'uid' => $uid, 'tag' => $tag, 'stored' => $stored]);