IntentTimelineProvider+Timeline.swift

public func timeline(for configuration: MainAccountIntent, with context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
  let currentDate = Date()
  let futureDate = Calendar.current.date(byAdding: .minute, value: 10, to: currentDate)!

  viewModel.fetchProducts() { products in
    guard let mainProduct = products.first(where: { $0.type == .main }) else { return }

    let entry = AccountEntry(date: currentDate,
                             product: mainProduct,
                             maskSensitiveData: configuration.maskSensitiveData as? Bool ?? true)
    let timeline = Timeline(entries: [entry], policy: .after(refreshDate))
    completion(timeline)
  }
}