private async Task MessageReceivedAsync(IDialogContext context, IAwaitable <object> result)
{
var activity = await result as Activity;
List <FoodModel> foodList = FoodModel.GetFoodList();
//Get state
StateClient stateClient = activity.GetStateClient();
BotData userData = await stateClient.BotState.GetUserDataAsync(activity.ChannelId, activity.From.Id);
var sentGreeting = userData.GetProperty <bool>("SentGreeting");
if (activity.Text.Contains(MoreOption))
{
//More of the same food
//await DisplayFoodCard(context, result);
if (currentFood == null)
{
//No current food - generate random
currentFood = getRandomFood(foodList);
}
else
{
currentFood.IncrementIndex();
}
}
else if (activity.Text == NextOption)
{
//Next food type
currentFood = getRandomFood(foodList);
}
else if (activity.Text.Contains(FindOption))
{
//Find restaurant closest
return;
}
else
{
if (!sentGreeting)
{
WelcomePrompt(context);
//Save state
var data = context.UserData;
data.SetValue("SentGreeting", true);
}
else
{
//Unknown - unrecognized message
UnrecognisedPrompt(context);
}
return;
}
ShowFoodCard(currentFood, context);
}
private async void ShowFoodCard(FoodCardModel currentFood, IDialogContext context)
{
var message = context.MakeMessage();
var attachment = BuildHeroCard(currentFood);
message.Attachments.Add(attachment);
await context.PostAsync(message);
}
private async Task DisplayRandomCard(IDialogContext context, IAwaitable <Object> result)
{
var userText = await result;
var message = context.MakeMessage();
List <FoodModel> foodList = FoodModel.GetFoodList();
currentFood = getRandomFood(foodList);
var attachment = BuildHeroCard(currentFood);
message.Attachments.Add(attachment);
await context.PostAsync(message);
context.Wait(MessageReceivedAsync);
}
private static Attachment BuildHeroCard(FoodCardModel currentFood)
{
var foodName = currentFood.name;
var foodURL = currentFood.getCurrentURL();
var heroCard = new HeroCard
{
Title = String.Format("How about {0}?", foodName),
Images = new List <CardImage> {
new CardImage(foodURL)
},
Buttons = new List <CardAction> {
new CardAction(ActionTypes.ImBack, MoreOption, value: "Show me more " + foodName),
new CardAction(ActionTypes.ImBack, NextOption, value: NextOption),
new CardAction(ActionTypes.OpenUrl, FindOption, value: String.Format(yelpUrl, foodName))
}
};
return(heroCard.ToAttachment());
}
private FoodCardModel getRandomFood(List <FoodModel> list)
{
//Randomize order
Random rnd = new Random();
int index = rnd.Next(0, list.Count);
FoodModel selectedFood = list[index];
var name = selectedFood.Name;
List <string> urlList = new List <string>();
urlList.Add(selectedFood.URL1);
urlList.Add(selectedFood.URL2);
urlList.Add(selectedFood.URL3);
urlList.Add(selectedFood.URL4);
urlList.Add(selectedFood.URL5);
urlList.Add(selectedFood.URL6);
FoodCardModel foodCard = new FoodCardModel(name, urlList);
return(foodCard);
}
private async Task UserChoice(IDialogContext context, IAwaitable <object> result)
{
var activity = await result;
//await context.PostAsync($@"Hi {activity}!");
List <FoodModel> foodList = FoodModel.GetFoodList();
var userText = activity.ToString();
if (userText.Contains(MoreOption.Substring(0, 4)))
{
//More of the same food
if (currentFood == null)
{
//No current food - generate random
currentFood = getRandomFood(foodList);
}
else
{
currentFood.IncrementIndex();
}
}
else if (userText.Contains(NextOption))
{
//Next food type
currentFood = getRandomFood(foodList);
}
else if (userText.Contains(FindOption))
{
//Find restaurant
if (currentFood != null)
{
Uri uri = new Uri(String.Format(yelpUrl, currentFood.name));
await context.PostAsync("Our friends at Yelp will help you find " + currentFood.name.ToLower() + " here: " + uri.AbsoluteUri);
return;
}
else
{
//User types find food without previous prompt
PromptDialog.Choice <string>(
context,
UserChoice,
new string[] { StartOption },
"Not sure what you mean... but I'm guessing you're hungry?",
ErrorMsg,
3,
PromptStyle.Auto);
}
}
else
{
//New session- Show random food
currentFood = getRandomFood(foodList);
}
//Image attachment message
var message = context.MakeMessage();
var attachment = GetImageAttachment(currentFood.getCurrentURL());
message.Attachments.Add(attachment);
await context.PostAsync(message);
//Next available choice dialog
PromptDialog.Choice <string>(
context,
UserChoice,
new string[] { String.Format(MoreOption, currentFood.name), NextOption, FindOption },
"How about " + currentFood.name + "?",
ChoiceErrorMsg,
3,
PromptStyle.Auto);
}
