hasOne(StoreOrder::class, 'order_id', 'msn')->with('orderProduct'); } public function product() { return $this->hasOne(Product::class, 'product_id', 'msn'); } public function presell() { return $this->hasOne(ProductPresell::class, 'product_presell_id', 'msn')->append(['product']); } public function productGroup() { return $this->hasOne(ProductGroup::class, 'product_group_id', 'msn')->append(['product']); } public function refundOrder() { return $this->hasOne(StoreRefundOrder::class, 'refund_order_id', 'msn')->with('refundProduct.product'); } public function user() { return $this->hasOne(User::class, 'uid', 'uid')->field('uid,avatar,nickname'); } public function service() { return $this->hasOne(StoreService::class, 'service_id', 'service_id')->field('service_id,avatar,nickname'); } public function merchant() { return $this->hasOne(Merchant::class, 'mer_id', 'mer_id'); } }