Bot Framework example 4

Readme.md

This was an example demoed at "Building an ecommerce bot using the Microsoft Bot Framework" CodeCamp NYC, Octoboer 2016.

BotController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using Microsoft.Bot.Connector;
using System.Threading.Tasks;

namespace BotDemo.Controllers
{
    public class BotController : ApiController
    {
        /// <summary>
        /// POST: api/Bot
        /// Receive a message from a user and reply to it
        /// </summary>
        public async Task<HttpResponseMessage> Post([FromBody]Activity activity)
        {
            if (activity.Type == ActivityTypes.Message)
            {
                ConnectorClient connector = new ConnectorClient(new Uri(activity.ServiceUrl));
                // calculate something for us to return
                int length = (activity.Text ?? string.Empty).Length;

                StateClient stateClient = activity.GetStateClient();
                BotData userData = await stateClient.BotState.GetUserDataAsync(activity.ChannelId, activity.From.Id);

                if (activity.Text.Contains("hi") || activity.Text.Contains("hello"))
                {


                    Activity reply = activity.CreateReply("Receipt card");
                    reply.Recipient = activity.From;
                    reply.Type = "message";
                    reply.Attachments = new List<Attachment>();
                    List<CardImage> cardImages = new List<CardImage>();
                    cardImages.Add(new CardImage(url: "https://s3.amazonaws.com/alindgren/clayton_sunset.jpg"));
                    List<CardAction> cardButtons = new List<CardAction>();
                    CardAction plButton = new CardAction()
                    {
                        Value = "http://alexbotdemo.azurewebsites.net/",
                        Type = "openUrl",
                        Title = "Track your order"
                    };
                    cardButtons.Add(plButton);

                    ReceiptItem lineItem1 = new ReceiptItem()
                    {
                        Title = "Trying Stuff Until it Works",
                        Subtitle = null,
                        Text = null,
                        Image = new CardImage(url: "https://s3.amazonaws.com/alindgren/trying_stuff_until_it_works.jpg"),
                        Price = "20.00",
                        Quantity = "2",
                        Tap = null
                    };

                    ReceiptItem lineItem2 = new ReceiptItem()
                    {
                        Title = "Changing Stuff and Seeing What Happens",
                        Subtitle = null,
                        Text = null,
                        Image = new CardImage(url: "https://s3.amazonaws.com/alindgren/changing_stuff_seing_what_happens.jpg"),
                        Price = "25.00",
                        Quantity = "3",
                        Tap = null
                    };
                    List<ReceiptItem> receiptList = new List<ReceiptItem>();
                    receiptList.Add(lineItem1);
                    receiptList.Add(lineItem2);
                    ReceiptCard plCard = new ReceiptCard()
                    {
                        Title = "Your receipt",
                        Buttons = cardButtons,
                        Items = receiptList,
                        Total = "101.65",
                        Tax = "6.65"
                    };
                    Attachment plAttachment = plCard.ToAttachment();
                    reply.Attachments.Add(plAttachment);
                    await connector.Conversations.SendToConversationAsync(reply);
                }
                else
                {
                    // return our reply to the user
                    Activity reply = activity.CreateReply($"You sent {activity.Text} which was {length} characters");
                    await connector.Conversations.ReplyToActivityAsync(reply);
                }
            }
            else
            {
                HandleSystemMessage(activity);
            }
            var response = Request.CreateResponse(HttpStatusCode.OK);
            return response;
        }

        private Activity HandleSystemMessage(Activity message)
        {
            if (message.Type == ActivityTypes.DeleteUserData)
            {
                // Implement user deletion here
                // If we handle user deletion, return a real message
            }
            else if (message.Type == ActivityTypes.ConversationUpdate)
            {
                // Handle conversation state changes, like members being added and removed
                // Use Activity.MembersAdded and Activity.MembersRemoved and Activity.Action for info
                // Not available in all channels
            }
            else if (message.Type == ActivityTypes.ContactRelationUpdate)
            {
                // Handle add/remove from contact lists
                // Activity.From + Activity.Action represent what happened
            }
            else if (message.Type == ActivityTypes.Typing)
            {
                // Handle knowing tha the user is typing
            }
            else if (message.Type == ActivityTypes.Ping)
            {
            }

            return null;
        }
    }
}