public async Task <BaseSearchResult> Search(string utterance)
{
try
{
var luisResult = await find(utterance);
var intent = primaryIntent(luisResult);
var entity = primaryEntity(luisResult);
SpotsResult result = null;
switch (intent)
{
case INTENT.PLACES__FIND_PLACE:
var request = createSpotRequest(entity);
previous_request = request;
result = await searchSpotAsync(request);
break;
case INTENT.UTILITIES__SHOW_PREVIOUS:
if (previous_request == null)
{
var new_request = createSpotRequest(entity);
previous_request = new_request;
result = await searchSpotAsync(new_request);
}
else
{
previous_request.ModifyForPrev();
result = await searchSpotAsync(previous_request);
}
break;
case INTENT.UTILITIES__SHOW_NEXT:
if (previous_request == null)
{
var new_request = createSpotRequest(entity);
previous_request = new_request;
result = await searchSpotAsync(new_request);
}
else
{
previous_request.ModifyForNext();
result = await searchSpotAsync(previous_request);
}
break;
default:
// nothing
break;
}
return(result);
}
catch (Exception)
{
return(null);
}
}
