subscriptionFinish function
Implementation
subscriptionFinish(String paymentMethod) async {
// if (currentProvider.subscriptions.isEmpty)
// currentProvider.freeTrialDays = appSettings.subscriptionsFreeTrialDays;
currentProvider.subscriptions.add(
ProviderSubscriptionsData(DateTime.now().toUtc(), currentSubscription.price, paymentMethod, currentSubscription.days));
await saveProviderFromAdmin();
}