checkId($id); $packageCache = new PackageCache(); $package = $packageCache->get($id); if (!$package) { throw new BadRequestException('package.not_found'); } return $package; } public function checkPackage($id) { $this->checkId($id); $packageRepo = new PackageRepo(); $package = $packageRepo->findById($id); if (!$package) { throw new BadRequestException('package.not_found'); } return $package; } public function checkId($id) { $id = intval($id); $maxIdCache = new MaxPackageIdCache(); $maxId = $maxIdCache->get(); if ($id < 1 || $id > $maxId) { throw new BadRequestException('package.not_found'); } } public function checkCover($cover) { $value = $this->filter->sanitize($cover, ['trim', 'string']); if (!CommonValidator::image($value)) { throw new BadRequestException('package.invalid_cover'); } return kg_cos_img_style_trim($value); } public function checkTitle($title) { $value = $this->filter->sanitize($title, ['trim', 'string']); $length = kg_strlen($value); if ($length < 2) { throw new BadRequestException('package.title_too_short'); } if ($length > 50) { throw new BadRequestException('package.title_too_long'); } return $value; } public function checkSummary($summary) { $value = $this->filter->sanitize($summary, ['trim', 'string']); $length = kg_strlen($value); if ($length > 255) { throw new BadRequestException('package.summary_too_long'); } return $value; } public function checkMarketPrice($price) { $value = $this->filter->sanitize($price, ['trim', 'float']); if ($value < 0.01 || $value > 10000) { throw new BadRequestException('package.invalid_market_price'); } return $value; } public function checkVipPrice($price) { $value = $this->filter->sanitize($price, ['trim', 'float']); if ($value < 0.01 || $value > 10000) { throw new BadRequestException('package.invalid_vip_price'); } return $value; } public function checkPublishStatus($status) { if (!in_array($status, [0, 1])) { throw new BadRequestException('package.invalid_publish_status'); } return $status; } }