private async Task AddSubscriptionHandlerAsync(CallbackQuery query)
{
var exchangeId = await RunExchangeSelectionPageAsync( ).ConfigureAwait(false);
if (!exchangeId)
{
return;
}
await Menu.RequestReplyAsync("Enter the threshold%").ConfigureAwait(false);
var threshold = await ReadPercentageAsync( ).ConfigureAwait(false);
if (threshold is null)
{
return;
}
var isSilent = await RunSelectionPageAsync(new[] { "yes", "no" }.Batch ( 2 ), "Keep Silent?")
.ConfigureAwait(false);
if (!isSilent)
{
return;
}
var symbols = await ReadSymbolsAsync( ).ConfigureAwait(false);
var subscription = new TelegramPercentChangeSubscription(
Chat,
User,
exchangeId.Result,
threshold.Value,
isSilent.Result == "yes",
symbols
);
await TelegramBot.AddOrUpdateSubscriptionAsync(subscription).ConfigureAwait(false);
await RedrawAsync( ).ConfigureAwait(false);
}
