/**
* Set the total value of all items (sum of all items: $item->count * $item->price).
*
* @param $currency string ISO3 currency code
* @param $total string total value of all goods in $currency
* @return $this
*/
public function addTotal($currency, $total)
{
Preconditions::checkIso3Currency($currency, 'currency');
Preconditions::checkFloat($total, 'total');
$this->total[$currency] = $total;
return $this;
}
/**
* @param string $externalId User provided customer id (not used by purchased.at).
* @return Customer
*/
public function setExternalId($externalId)
{
if (!is_null($externalId)) {
Preconditions::checkStringNonEmpty($externalId, 'externalId');
}
$this->externalId = $externalId;
return $this;
}
/**
* @param string $itemSku Preselect the specified item in purchase dialog by SKU.
* @return Select
*/
public function setItemSku($itemSku)
{
if (!is_null($itemSku)) {
Preconditions::checkStringNonEmpty($itemSku, 'itemSku');
}
$this->itemSku = $itemSku;
return $this;
}
/**
* @param bool $email Send email to vendor provided address after successful payment.
* @return Response
*/
public function setEmail($email)
{
if (!is_null($email)) {
Preconditions::checkBool($email, 'email');
}
$this->email = $email;
return $this;
}
/**
* @param string $sdk
* @return $this
*/
public function setSdk($sdk)
{
Preconditions::checkStringNonEmpty($sdk, 'sdk');
$this->sdk = $sdk;
return $this;
}
/**
* @param array $languages ISO639 2 letter language codes (en,de,..)
* @return Test
*/
public function setLanguages($languages)
{
Preconditions::checkArray($languages, 'languages', ['\\PurchasedAt\\Validation\\Preconditions', 'checkIso2Language']);
$this->languages = $languages;
return $this;
}
/**
* @param $currency string ISO3 currency code
* @param $price string price ofe item in specified currency
* @return $this
*/
public function addPrice($currency, $price)
{
Preconditions::checkIso3Currency($currency, 'currency');
Preconditions::checkFloat($price, 'price');
$this->price[$currency] = $price;
return $this;
}
