twonly-app/lib/src/services/subscription.service.dart

// ignore_for_file: constant_identifier_names

enum SubscriptionPlan {
  Free,
  Tester,
  Family,
  Pro,
  Plus,
}

enum PremiumFeatures { RestoreFlames }

const Map<PremiumFeatures, List<SubscriptionPlan>> planPermissions = {
  PremiumFeatures.RestoreFlames: [
    SubscriptionPlan.Family,
    SubscriptionPlan.Plus,
    SubscriptionPlan.Tester,
    SubscriptionPlan.Pro,
  ],
};

bool isUserAllowed(SubscriptionPlan plan, PremiumFeatures feature) {
  final allowedPlans = planPermissions[feature] ?? [];
  return allowedPlans.contains(plan);
}

bool isPayingUser(SubscriptionPlan plan) {
  return plan == SubscriptionPlan.Family ||
      plan == SubscriptionPlan.Pro ||
      plan == SubscriptionPlan.Tester;
}

SubscriptionPlan planFromString(String value) {
  final input = value.trim().toLowerCase();
  for (final v in SubscriptionPlan.values) {
    final name = v.name;
    final compareName = name.toLowerCase();
    if (compareName == input) return v;
  }
  return SubscriptionPlan.Free;
}