async Task ResumeAfterWineFormAsync(IDialogContext context, IAwaitable <WineForm> result)
{
WineForm wineResult = await result;
string message = await ProcessWineResultsAsync(wineResult);
await context.PostAsync(message);
context.Wait(MessageReceivedAsync);
}
IDialog <string> DoSearchCase()
{
return
(Chain
.From(() => FormDialog.FromForm(new WineForm().BuildForm, FormOptions.PromptInStart))
.ContinueWith(async(ctx, res) =>
{
WineForm wineResult = await res;
string message = await ProcessWineResultsAsync(wineResult);
return Chain.Return(message);
}));
}
async Task <string> ProcessWineResultsAsync(WineForm wineResult)
{
List[] wines =
await new WineApi().SearchAsync(
(int)wineResult.WineType,
(int)wineResult.Rating,
wineResult.InStock == StockingType.InStock,
"");
string message;
if (wines.Any())
{
message = "Here are the top matching wines: " +
string.Join(", ", wines.Select(w => w.Name));
}
else
{
message = "Sorry, No wines found matching your criteria.";
}
return(message);
}
async Task DoChainLoopAsync(IDialogContext context)
{
IDialog <WineForm> chain =
Chain.From(() => FormDialog.FromForm(new WineForm().BuildForm, FormOptions.PromptInStart))
.Do(async(ctx, result) =>
{
try
{
WineForm wineResult = await result;
string message = await ProcessWineResultsAsync(wineResult);
await ctx.PostAsync(message);
}
catch (FormCanceledException fce)
{
await ctx.PostAsync($"Cancelled: {fce.Message}");
}
})
.Loop();
await context.Forward(
chain,
ResumeAfterWineFormAsync,
context.Activity.AsMessageActivity());
}