teamsBot.js

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

const { TeamsActivityHandler } = require("botbuilder");
const { Configuration, OpenAIApi } = require("openai");
var textToAnalyze = "";
var sentimentResponse = "";

class TeamsBot extends TeamsActivityHandler {
  constructor() {
    super();
    this.baseUrl = process.env.BaseUrl;
  }

  // fetch and handle message extension task module 
  async handleTeamsMessagingExtensionFetchTask(context, action) {

    textToAnalyze = action.messagePayload.body.content;
    textToAnalyze = textToAnalyze.replace(/(<([^>]+)>)/ig, '');

    // Configure your apikey
    const configuration = new Configuration({
      apiKey: process.env.SECRET_OPENAI_API_KEY
    });

    // Updaitng configuration with OpenAI API
    const openai = new OpenAIApi(configuration);

    const analyzeSentiment = async (tweet) => {
      try {
        const messages = [
          {
            role: 'system',
            content: `You will be provided with a tweet, and your task is to classify its sentiment as positive, neutral, or negative`,
          },
          {
            role: 'user',
            content: `${tweet}`
          }
        ]

        // CreateChatCompletion api call
        const response = await openai.createChatCompletion({
          model: process.env.CHAT_COMPLETION_MODEL_NAME,
          messages: messages,
          temperature: 0,
          max_tokens: 256,
          top_p: 1,
          frequency_penalty: 0,
          presence_penalty: 0,
        });

        // Extract the AI's response from the API call
        const aiResponse = response.data.choices[0].message.content.trim();

        return aiResponse;
      }
      catch (error) {
        console.error('Error:', error);
        throw error;
      }
    };

    // get sentiment response for selected teams message
    await analyzeSentiment(textToAnalyze)
      .then(sentiment =>
        sentimentResponse = sentiment
      ).catch(err => console.error('Error:', err));

    // return sentiment analysis result to task module
    return {
      task: {
        type: 'continue',
        value: {
          width: 600,
          height: 400,
          title: 'Sentiment Analysis',
          url: this.baseUrl + "/sentimentModule?title=" + textToAnalyze + "&result=" + sentimentResponse
        }
      }
    };
  }
}

module.exports.TeamsBot = TeamsBot;