public static function createProblem($uid, $title, array $visibleDomains)
{
if (!Validator::int()->validate($uid)) {
throw new InvalidArgumentException('uid', 'type_invalid');
}
if (!is_string($title)) {
throw new InvalidArgumentException('title', 'type_invalid');
}
if (!mb_check_encoding($title, 'UTF-8')) {
throw new InvalidArgumentException('title', 'encoding_invalid');
}
if (!Validator::length(VJ::PROBLEM_TITLE_MIN, VJ::PROBLEM_TITLE_MAX)) {
throw new UserException('ProblemUtil.title_invalid_length');
}
foreach ($visibleDomains as &$domain) {
if (!$domain instanceof \MongoId) {
throw new InvalidArgumentException('visibleDomains', 'type_invalid');
}
}
$keyword = KeywordFilter::isContainGeneric($title);
if ($keyword !== false) {
throw new UserException('ProblemUtil.title_forbid', ['keyword' => $keyword]);
}
self::initParser();
$markdown = Application::coll('System')->findOne(['_id' => 'ProblemTemplate'])['markdown'];
$html = self::$parser->parse($markdown);
$title = VJ::removeEmoji($title);
$link = self::generateLink($title);
$doc = VoteUtil::attachDocument(['owner' => (int) $uid, 'at' => new \MongoDate(), 'title' => $title, 'link' => $link, 'llink' => self::canonicalizeLink($link), 'raw' => $markdown, 'html' => $html, 'visible' => $visibleDomains, 'tags' => [], 'history' => self::encodeHistory([])]);
try {
Application::coll('Problem')->insert($doc);
} catch (\MongoCursorException $e) {
throw new UserException('ProblemUtil.createProblem.title_exists');
}
return $doc['_id'];
}
/**
* 创建评论
*
* @param string $ref
* @param int $owner
* @param string $markdown
* @return array
* @throws InvalidArgumentException
* @throws UserException
*/
public static function createComment($ref, $owner, $markdown)
{
if (!is_string($ref)) {
throw new InvalidArgumentException('ref', 'type_invalid');
}
if (!mb_check_encoding($ref, 'UTF-8')) {
throw new InvalidArgumentException('ref', 'encoding_invalid');
}
if (!Validator::int()->validate($owner)) {
throw new InvalidArgumentException('owner', 'type_invalid');
}
if (!is_string($markdown)) {
throw new InvalidArgumentException('markdown', 'type_invalid');
}
if (!mb_check_encoding($markdown, 'UTF-8')) {
throw new InvalidArgumentException('markdown', 'encoding_invalid');
}
if (!Validator::length(VJ::COMMENT_MIN, VJ::COMMENT_MAX)) {
throw new UserException('CommentUtil.content_invalid_length');
}
self::initParser();
$commentId = new \MongoId();
$html = self::$parser->parse($markdown);
$keyword = KeywordFilter::isContainGeneric(strip_tags($html));
if ($keyword !== false) {
throw new UserException('CommentUtil.content_forbid', ['keyword' => $keyword]);
}
$doc = VoteUtil::attachDocument(['_id' => $commentId, 'ref' => $ref, 'owner' => (int) $owner, 'at' => new \MongoDate(), 'raw' => $markdown, 'html' => $html, 'replies' => [], 'deleted' => false]);
Application::coll('Comment')->insert($doc);
Application::emit('comment.create.succeeded', [$ref, $commentId]);
return ['_id' => $commentId, 'html' => $html];
}
