private static async Task <IDialog <Beer> > ChooseBeer <T>(IBotContext context, IAwaitable <T> awaitableArgument, Func <T, Task <IEnumerable <Beer> > > beerSelector, IDialog <Beer> retryDialog)
{
T argument = await awaitableArgument;
var recommendation = (await beerSelector(argument)).Random(3).ToList();
switch (recommendation.Count)
{
case 0:
await context.SpeakAsync("Oops! I havn't found any beer!");
return(retryDialog ?? Chain.Return <Beer>(null));
case 1:
await context.SpeakAsync("Eureka! I've got a beer for you");
return(Chain.Return(recommendation[0]));
default:
return(new PromptDialog.PromptChoice <Beer>(new PromptOptions <Beer>(
"Which one of these works?", "I probably drank too much. Which one of these work?", options: recommendation,
speak: "Which one of these works?", retrySpeak: "I probably drank too much. Which one of these work?")));
}
}
private static async Task <IDialog <Brewery> > ChooseBrewery(IBotContext context, IAwaitable <string> countryAwaitable)
{
var country = await countryAwaitable;
var breweries = (await BeerApiClient.BreweriesGetByCountryAsync(country)).Random(5).ToList();
Debug.Assert(breweries.Count > 0, "There is no country in the list with zero breweries!");
if (breweries.Count == 1)
{
await context.SpeakAsync($"Then you need a beer made by {breweries[0].Name}");
return(Chain.Return(breweries[0]));
}
return(new PromptDialog.PromptChoice <Brewery>(new PromptOptions <Brewery>(
"Which brewery?", "I probably drank too much. Which brewery was it?", options: breweries, speak: "Which brewery?", retrySpeak: "I probably drank too much. Which brewery was it?")));
}