383 lines
12 KiB
JavaScript
383 lines
12 KiB
JavaScript
console.log({ query: req.query, params: req.params, body: req.body });
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const msgrSettings = settings_667ef98d3ee8930a5debcbdb;
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const paSettings = proactive_agent_settings;
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const studioToken = msgrSettings
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? {
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Authorization: `Bearer ${msgrSettings.messenger.token}`,
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}
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: {};
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const channel = req.body?.metadata?.channel;
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let bot_user = {
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...paSettings.messenger.user,
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};
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const app = {
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routes: [],
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route: function (regexp, fn) {
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this.routes.push({ regexp: new RegExp(regexp), function: fn });
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},
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run: function (req, res) {
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const path =
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req.params[0].split(
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`/ProxyScript/run/${req.params.workspaceId}/${req.params.branch}/${req.params.route}`
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)[1] || "/";
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for (var route of this.routes) {
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console.log(`Checking route: ${route.regexp}`);
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console.log(`Against path: ${path}`);
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if (route.regexp.test(path)) {
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console.log(`Matched route: ${route.regexp}`);
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route.function(req, res, route.regexp.exec(path));
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return;
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}
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}
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// If no route matches, return a 404 status
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const status = { path: req.params[0], status: 404 };
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res.status(404).send(status);
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},
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};
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const redisKey = (userId) => {
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return `user-map-${userId}`;
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};
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const axioshelper = (message, config, callback, retries = 3, delay = 100) => {
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console.log(config);
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return new Promise(async (resolve, reject) => {
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for (let i = 0; i < retries; i++) {
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try {
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const response = await axios(config);
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if (response.status < 200 || response.status > 299) {
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if (callback) {
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await callback();
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} else {
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throw new Error(
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`Axios Request failed! ${JSON.stringify(response)}`
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);
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}
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}
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resolve(response);
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break;
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} catch (error) {
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if (error.response) {
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// The request was made and the server responded with a status code
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// that falls out of the range of 2xx
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console.log(error.response.data);
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console.log(error.response.status);
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console.log(error.response.headers);
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} else if (error.request) {
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// The request was made but no response was received
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// `error.request` is an instance of XMLHttpRequest in the browser and an instance of
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// http.ClientRequest in node.js
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console.log(error.request);
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} else {
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// Something happened in setting up the request that triggered an Error
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console.log("Error", error.message);
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}
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console.log(error.config);
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if (i === retries - 1) {
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if (callback) {
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await callback();
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}
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console.log({
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retry: i + 1,
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error: "out of retries",
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message,
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url: config.url,
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});
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reject(error);
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} else {
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console.log({
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level: "warn",
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message: `Attempt ${i + 1} failed.`,
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url: config.url,
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});
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await new Promise((resolve) => setTimeout(resolve, delay));
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}
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}
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}
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});
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};
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async function createSessionMap(umStr, sessionMap) {
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console.log({ method: "createSessionMap", sessionMap });
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let keys = Object.keys(sessionMap);
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keys.forEach(async (key) => {
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await redis.hSet(umStr, key, sessionMap[key]);
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});
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await redis.expire(umStr, 3600);
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}
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async function m2mAuthentication() {
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let data = new URLSearchParams({
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grant_type: paSettings.copilot.oauth2.grant_type,
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client_id: paSettings.copilot.oauth2.clientId,
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client_secret: paSettings.copilot.oauth2.clientSecret,
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audience: paSettings.copilot.oauth2.audience,
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});
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let token = await axioshelper("m2m authentication", {
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method: "post",
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url: paSettings.copilot.tokenUrl,
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headers: {
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"Content-Type": "application/x-www-form-urlencoded",
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},
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data,
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})
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.then((response) => {
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return response.data.access_token;
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})
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.catch((error) => {
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console.error("Error during M2M authentication:", error);
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throw error;
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});
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return token;
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}
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app.route("^(?:/userId/([^/]+))(?:/$)?$", async (req, res, match) => {
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try {
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console.log(`Received request for userId: ${match[1]}`);
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const modelName =
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req.params?.modelName || proactive_agent_settings.modelName;
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if (match.length > 1) {
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const userId = match[1];
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const smStr = redisKey(userId);
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let sessionMap = await redis.hGetAll(smStr);
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if (!sessionMap || !sessionMap.conversationId) {
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if (channel === "web") {
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console.log(`No session found for userId: ${userId} for web channel`);
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return res.status(404).send({ error: "Session not found" });
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} else if (channel === "copilot") {
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// no session data is okay for copilot, create one now
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sessionMap = {
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customerId: paSettings.copilot.customerId,
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upn: userId,
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userUUID: req.body?.metadata?.userUUID,
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};
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await createSessionMap(smStr, sessionMap);
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}
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} else {
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console.log({ sessionMap });
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}
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const metadata = {
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userId: bot_user.userId,
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channel
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};
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const recognizedData = await axioshelper("run model", {
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method: "post",
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url: `${settings_667ef98d3ee8930a5debcbdb.nlu.apiBaseURL}Model/run/${req.params.workspaceId}/${req.params.branch}/${modelName}`,
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headers: studioToken,
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data: {
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input: req.body.input,
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conversationId: sessionMap.conversationId,
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settings: settings_667ef98d3ee8930a5debcbdb.nlu.settings,
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metadata: metadata,
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},
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})
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.then((response) => {
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return response.data;
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})
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.catch((error) => {
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//If we have error handling turned off, don't record the error
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if (settings_667ef98d3ee8930a5debcbdb.errorHandling === false) {
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throw error;
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} else {
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// Conversation ID is generated by the NLU
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// Must make sure Conversation ID is created properly for an error transaction
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// Get it from session map if it exists, or generate it if we got the error at the very first transaction.
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const conversationId = sessionMap.conversationId || uuidv4();
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let errorPayload = {
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id: uuidv4(),
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workspaceId: req.params.workspaceId,
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errorInfo: {
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name: error.name,
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message: error.message,
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stack: error.stack,
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},
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conversationId,
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input: req.body.input,
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answers: [settings_667ef98d3ee8930a5debcbdb.responses.modelError],
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req: {
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params: req.params,
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query: req.query,
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body: req.body,
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headers: req.headers,
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},
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metadata,
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classificationResults: [
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{
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label: "Model Error",
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value: 0.0,
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},
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],
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nerResults: {
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entities: [],
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sourceEntities: [],
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},
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// Reporting tags to match GlobalSupport function reporting
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tag: "ERROR",
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reporting: {
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tag: "ERROR",
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modelResponse: "ERROR",
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},
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};
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// Add model name
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errorPayload.req.params.route = modelName;
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//add any other details you wish to see in transaction data
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return errorPayload;
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}
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});
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if (recognizedData.conversationId) {
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await redis.hSet(
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smStr,
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"conversationId",
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recognizedData.conversationId
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);
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await redis.expire(smStr, 3600);
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if (sessionMap.conversationId) {
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} else {
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db.analytics.addConversation({
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id: recognizedData.conversationId,
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});
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}
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}
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recognizedData._id = (
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await db.analytics.addTransaction(recognizedData)
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).insertedId;
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// Send Answers to Messenger
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new Promise(async (resolve) => {
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for (const [index, answer] of recognizedData.answers.entries()) {
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if (channel === "web") {
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await axioshelper("messenger create", {
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method: "post",
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url: `${settings_667ef98d3ee8930a5debcbdb.messenger.apiBaseURL}Event/create`,
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headers: {
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Authorization: `Bearer ${settings_667ef98d3ee8930a5debcbdb.messenger.token}`,
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},
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data: {
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conversationId: sessionMap.sessionId,
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metadata: {
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channel: "web",
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},
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input: answer,
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sentBy: bot_user,
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ping: nanoid(),
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sentAt: Date.now(),
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options: recognizedData?.options,
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metadata: {
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outputs:
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recognizedData.answers.length == index + 1
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? recognizedData?.outputs
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: {},
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transactionId: recognizedData._id,
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feedbackable: false,
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},
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},
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});
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} else if (channel === "copilot") {
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let bearerAuth = await m2mAuthentication();
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if (!bearerAuth) {
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throw Error("Unable to Authenticate M2M");
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}
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let body = answer;
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if (typeof answer === "string" || answer instanceof String) {
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// TODO: convert to simple text reply object
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body = {
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source: "//wa/us-east-1/int/demo/plain",
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type: "verint.ui_messages.text.v1",
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id: "ca5057b8-2c1d-4758-89d6-0370d6f28cc2",
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time: "2020-07-30T14:44:00+00:00",
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data: {
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version: "1.0.0",
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format: "plain",
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persona_icon: {
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id: "Verint-Bot-Head",
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color: "#007ACC",
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},
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title_icon: {
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id: "message-status-info",
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color: "#FF5722",
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},
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body: answer,
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},
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};
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}
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await axioshelper("copilot cloud-event", {
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method: "post",
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url: `https://apigw.us-east-1.wrk-1.aws.hydra.verint.com/int/wa/v1/cloud-event`,
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headers: {
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Authorization: `Bearer ${bearerAuth}`,
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},
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data: {
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...body,
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...sessionMap,
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},
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});
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}
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}
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resolve(true);
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});
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res.send(recognizedData);
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} else {
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res.status(400).send({ error: "Bad Request" });
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}
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} catch (error) {
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console.error(error);
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return res.status(500).send({
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status: 500,
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});
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}
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});
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app.route("/", async (req, res) => {
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const sessionId = req.body.event?.conversationId;
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const metadata = {
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...req.body.event?.metadata,
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userId: req.body.event?.sentBy?.userId,
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};
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try {
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if (sessionId && metadata.userId) {
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await createSessionMap(redisKey(metadata.userId), { sessionId });
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await axioshelper("messenger join", {
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method: "post",
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url: `${msgrSettings.messenger.apiBaseURL}Conversation/join`,
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headers: studioToken,
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data: {
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_id: sessionId,
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participant: bot_user,
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},
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});
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res.send();
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} else {
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res.send({ error: "sessionId or userId not found on event." });
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}
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} catch (error) {
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console.log(error);
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res.send({
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answers: ["Something went wrong. Please try again."],
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outputs: {},
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});
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}
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});
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app.run(req, res);
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