$this->id, 'uuid' => $this->uuid, 'sale_number' => $this->sale_number, 'agent' => $this->whenLoaded('agent'), 'package_profile' => $this->whenLoaded('packageProfile'), 'creator' => $this->whenLoaded('creator'), 'quantity' => $this->quantity, 'unit_price' => $this->unit_price, 'discount_amount' => $this->discount_amount, 'total_amount' => $this->total_amount, 'payment_status' => $this->payment_status, 'status' => $this->status, 'created_at' => $this->created_at, 'vouchers' => $this->whenLoaded('vouchers', fn () => $this->vouchers->map(fn ($voucher) => [ 'id' => $voucher->id, 'uuid' => $voucher->uuid, 'username' => $voucher->username, 'password' => $voucher->access_password, 'status' => $voucher->status, 'sync_status' => $voucher->sync_status, 'mikrotik' => $voucher->mikrotik, 'valid_until' => $voucher->valid_until, ])), ]; } }