currency method
Returns the product currency regardless of platform information
Implementation
String currency() {
if (Platform.isAndroid) {
return defaultPrice?.currency ?? "";
} else if (Platform.isIOS) {
if (purchaseType == "2") {
var subsPrice = prices?.firstWhere(
(element) => element.currency == (appleCurrency ?? ""));
return subsPrice?.currency ?? "";
}
return appleActivePriceDetail?.currency ?? "";
}
return "";
}