getPackageRes method
Implementation
Future<PayPackageEntity> getPackageRes(String packageUrl) async{
var historyPackages = await localStorage.getItem(packageListKey);
if (historyPackages == null) {
return await loadPackageRes(packageUrl);
} else {
loadPackageRes(packageUrl);
return PayPackageEntity.fromJson(jsonDecode(historyPackages));
}
}