Shopping Assistant API

require 'faraday'
require 'faraday_middleware'
require 'json'

connection = Faraday.new(url: 'https://live.luigisbox.com') do |conn|
  conn.use FaradayMiddleware::Gzip
end

response = connection.post("/v1/assistant?tracker_id=1234-5678&assistant_handle=piano_finder&user_id=123456") do |req|
  req.headers['Content-Type'] = "application/json; charset=utf-8"
  req.body = '{
  "assistant_version": 1,
  "steps": [
    {
      "question_handle": "color",
      "option_handles": [
        "color-blue"
      ]
    }
  ]
}'
end

if response.success?
  puts JSON.pretty_generate(JSON.parse(response.body))
else
  puts "Error, HTTP status #{response.status}"
  puts response.body
end

{
  "assistant_handle": "piano_finder",
  "tracker_id": "1234-5678",
  "hits": [
    {
      "id": "product_1",
      "title": "Grand Piano",
      "price_amount": 5000,
      "image_link": "https://example.com/images/grand_piano.jpg",
      "important_attributes": ["brand", "model"],
      "updated_at": "2024-10-01T12:00:00Z"
    }
  ],
  "important_attributes": ["brand", "model"],
  "avatar_image_link": "https://example.com/images/avatar.png",
  "question": {
    "title_html": "<strong>What type of piano are you looking for?</strong>",
    "description_html": "<p>Please select one of the options below.</p>",
    "image_link": "https://example.com/images/question_image.jpg",
    "type": "single_choice",
    "handle": "piano_type",
    "options": [
      {
        "title_html": "<strong>Grand Piano</strong>",
        "description_html": "<p>A large and elegant piano.</p>",
        "option_handle": "grand_piano",
        "next_question_handle": null,
        "image_link": null,
        "color_code": null,
        "hits_count": 10,
        "price_range": "$4000 - $6000"
      }
    ]
  }
}

{
  "type": "malformed_input",
  "reason": "incorrect parameters provided",
  "caused_by": {
    "assistant_version": ["must be an integer"]
  }
}

[
  "Assistant with id 'Webnar Guitars' for tracker_id 'YOUR_TRACKER_ID' not found"
]

const TRACKER_ID = 'YOUR_TRACKER_ID'; 
const ASSISTANT_HANDLE = 'Webinar Guitars';
const ASSISTANT_VERSION = -1;
const API_ENDPOINT = 'https://live.luigisbox.com/v1/assistant';
const USER_ID = 'some_user_id';

let steps = []; // This array will store the history of the conversation.

// Initial API call to start the conversation
async function startConversation() {
    const url = `${API_ENDPOINT}?tracker_id=${TRACKER_ID}&assistant_handle=${ASSISTANT_HANDLE}&user_id=${USER_ID}`;
    const payload = {
        assistant_version: ASSISTANT_VERSION,
        steps: [] // Sending an empty array
    };

    const response = await axios.post(url, payload);
    renderQuestion(response.data); 
}

function handleOptionClick(questionHandle, selectedOption) {
    // 1. Record the answer by adding it to our state array
    steps.push({
        question_handle: questionHandle,
        option_handles: [selectedOption.option_handle] // API expects an array
    });

    // 2. Get the handle for the next question from the selected option
    const nextQuestionHandle = selectedOption.next_question_handle;

    // 3. Call the API again with the updated steps and the next question handle
    callAssistantAPI(nextQuestionHandle);
}

async function callAssistantAPI(nextQuestionHandle = null) {
    const url = `${API_ENDPOINT}?tracker_id=${TRACKER_ID}&assistant_handle=${ASSISTANT_HANDLE}&user_id=${USER_ID}`;
    const payload = {
        assistant_version: ASSISTANT_VERSION,
        steps: steps // The steps array now contains the user's history
    };

    // Add the handle to the payload to continue the conversation flow
    if (nextQuestionHandle) {
        payload.next_question_handle = nextQuestionHandle;
    }

    const response = await axios.post(url, payload);
    renderQuestion(response.data);
}

function renderQuestion(data) {
    if (data.question && data.question.options.length > 0) {
        // Render the question and options...
    } else {
        // No more questions, the conversation is over.
        displayCompletionMessage();
    }
}