public async Task CurrencyConversion(IDialogContext context, LuisResult result)
{
var message = context.MakeMessage();
string fromCur = ""; // store the currency the user wants to convert from
string toCur = ""; // store the currency the user wants to convert to
EntityRecommendation fromEnt; // Entity LUIS determines
EntityRecommendation toEnt;
// Find out the Entity is there
if (result.TryFindEntity("FromCurrency", out fromEnt))
{
fromCur = fromEnt.Entity;
}
else
{
await context.PostAsync($"The query is not correct. Please try again.");
return;
}
// Find out the Entity is there
if (result.TryFindEntity("ToCurrency", out toEnt))
{
toCur = toEnt.Entity;
}
else
{
await context.PostAsync($"The query is not correct. Please try again.");
return;
}
// Calculate using Yahoo API and give the result back to the user
exchangerate ex = new exchangerate();
await context.PostAsync($"Your Conversion base on a $1 value is: {ex.conversionRate(fromCur, toCur)}");
PromptDialog.Confirm(context, Continuation, $"Is there anything else I can help you with?");
}
private async Task MessageReceivedAsync(IDialogContext context, IAwaitable <object> result)
{
var activity = await result as Activity;
// Split the currency the user wants to convert by comma
string[] splitValue = activity.Text.Split(',');
for (int i = 0; i < splitValue.Length; i++)
{
splitValue[i] = splitValue[i].Trim();
}
exchangerate ex = new exchangerate();
// Called the Yahoo API to do the conversion
string exchange = ex.conversionRate(splitValue[0], splitValue[1]);
// calculate something for us to return
int length = (activity.Text ?? string.Empty).Length;
// return our reply to the user
// await context.PostAsync($"You have sent {activity.Text} which was {length} characters");
await context.PostAsync($"Your Conversion {exchange}");
context.Wait(MessageReceivedAsync);
}
