private async Task Update(CancellationToken ct, Func <ApplicationSettings, ApplicationSettings> updateFunction)
{
await _dataPersister.Update(ct, context =>
{
var settings = context.GetReadValueOrDefault(ApplicationSettings.Default);
context.Commit(updateFunction(settings));
});
}
public async Task AddCallback(CancellationToken ct, string device, Callback callback)
{
// Currently we keep only one callback per device
await _storage.Update(ct, ctx => ctx.Commit(ctx.Value.SetItem(device, (/*ctx.Value.GetValueOrDefault(device) ??*/ ImmutableList <Callback> .Empty).Add(callback))));
}
