/**
* @return Payment
*/
public function fetch()
{
$invoice = $this->client->getInvoice($this->id);
$this->stateCode = $invoice['StateCode'];
$this->requestDate = $invoice['RequestDate'];
$this->stateDate = $invoice['StateDate'];
$this->paymentMethod = $invoice['PaymentMethod'];
$this->clientSum = $invoice['ClientSum'];
$this->clientAccount = $invoice['ClientAccount'];
$this->paymentMethodCode = $invoice['PaymentMethodCode'];
$this->paymentMethodDescription = $invoice['PaymentMethodDescription'];
$this->currency = $invoice['Currency'];
$this->shopSum = $invoice['ShopSum'];
$this->sum = $this->shopCommission ? $this->clientSum : $this->shopSum;
$this->isShopSumChanged = false;
$this->isClientSumChanged = false;
return $this;
}
