PreferredAuthMethod.swift

extension PreferredAuthMethod {
    func getService(source: UIViewController?, delegate: AuthServiceDelegate?) -> AuthService {
        switch self {
        case .apple:
            if #available(iOS 13.0, *) {
                return AppleAuthService(source, delegate: delegate)
            } else {
                return EmptyAuthService()
            }
        }
    }
}