findById($id); if (!$review) { throw new BadRequestException('review.not_found'); } return $review; } public function checkCourse($id) { $validator = new Course(); return $validator->checkCourse($id); } public function checkContent($content) { $value = $this->filter->sanitize($content, ['trim', 'string']); $length = kg_strlen($value); if ($length < 10) { throw new BadRequestException('review.content_too_short'); } if ($length > 255) { throw new BadRequestException('review.content_too_long'); } return $value; } public function checkRating($rating) { if ($rating < 1 || $rating > 5) { throw new BadRequestException('review.invalid_rating'); } return $rating; } public function checkAnonymous($status) { if (!in_array($status, [0, 1])) { throw new BadRequestException('review.invalid_anonymous_status'); } return $status; } public function checkPublishStatus($status) { if (!in_array($status, [0, 1])) { throw new BadRequestException('review.invalid_publish_status'); } return $status; } public function checkIfAllowEdit(ReviewModel $review) { $case = time() - $review->create_time > 3600; if ($case) { throw new BadRequestException('review.edit_not_allowed'); } } }