S2OJ/web/app/models/UOJBlogComment.php

<?php

class UOJBlogComment {
	use UOJDataTrait;

	const HIDE_REASONS = [
		'unhide' => '解除隐藏',
		'spam' => '疑似为垃圾信息',
		'garbage' => '疑似为无意义的乱码',
		'insult' => '包含不和谐内容',
		'violate' => '违反法律法规',
		'other' => '其他（请在下方说明）',
	];

	public static function query($id) {
		if (!isset($id) || !validateUInt($id)) {
			return null;
		}
		$info = DB::selectFirst([
			"select * from blogs_comments",
			"where", ['id' => $id]
		]);
		if (!$info) {
			return null;
		}
		return new UOJBlogComment($info);
	}

	public function __construct($info) {
		$this->info = $info;
	}

	public function hide($reason) {
		DB::update([
			"update blogs_comments",
			"set", [
				'is_hidden' => ($reason !== ''),
				'reason_to_hide' => $reason
			],
			"where", ['id' => $this->info['id']]
		]);

		$blog = UOJBlog::query($this->info['blog_id']);
		if ($blog) {
			$blog->updateActiveTime($blog);
		}
	}
}