findById($id); if (!$consult) { throw new BadRequestException('consult.not_found'); } return $consult; } public function checkCourse($id) { $validator = new Course(); return $validator->checkCourse($id); } public function checkChapter($id) { $validator = new Chapter(); return $validator->checkChapter($id); } public function checkQuestion($question) { $value = $this->filter->sanitize($question, ['trim', 'string']); $length = kg_strlen($value); if ($length < 15) { throw new BadRequestException('consult.question_too_short'); } if ($length > 1000) { throw new BadRequestException('consult.question.too_long'); } return $value; } public function checkAnswer($answer) { $value = $this->filter->sanitize($answer, ['trim', 'string']); $length = kg_strlen($value); if ($length < 15) { throw new BadRequestException('consult.answer_too_short'); } if ($length > 1000) { throw new BadRequestException('consult.answer_too_long'); } return $value; } public function checkPrivateStatus($status) { if (!in_array($status, [0, 1])) { throw new BadRequestException('consult.invalid_private_status'); } return $status; } public function checkPublishStatus($status) { if (!in_array($status, [0, 1])) { throw new BadRequestException('consult.invalid_publish_status'); } return $status; } public function checkIfDuplicated($chapterId, $userId, $question) { $repo = new ConsultRepo(); $consult = $repo->findUserLastChapterConsult($chapterId, $userId); if (!$consult) return; $subInQuestion = kg_substr($question, 0, 20); $subDbQuestion = kg_substr($consult->question, 0, 20); similar_text($subInQuestion, $subDbQuestion, $percent); if ($percent > 80) { throw new BadRequestException('consult.question_duplicated'); } similar_text($question, $consult->question, $percent); if ($percent > 80) { throw new BadRequestException('consult.question_duplicated'); } } public function checkIfLiked($chapterId, $userId) { $repo = new ConsultLikeRepo(); $like = $repo->findConsultLike($chapterId, $userId); if ($like) { if ($like->deleted == 0 && time() - $like->create_time > 5 * 60) { throw new BadRequestException('consult.has_liked'); } } return $like; } }