361 lines
11 KiB
JavaScript

console.log({ query: req.query, params: req.params, body: req.body });
const msgrSettings = settings_667ef98d3ee8930a5debcbdb;
const paSettings = proactive_agent_settings;
const studioToken = msgrSettings
? {
Authorization: `Bearer ${msgrSettings.messenger.token}`,
}
: {};
const channel = req.body?.metadata?.channel | "copilot";
let bot_user = {
...paSettings.messenger.user,
};
const stripHTMLTags = (input) => {
if (typeof input !== "string") {
throw new Error("Input must be a string");
}
return input.replace(/<\/?[^>]+(>|$)/g, ""); // Matches and removes HTML tags
}
const app = {
routes: [],
route: function (regexp, fn) {
this.routes.push({ regexp: new RegExp(regexp), function: fn });
},
run: function (req, res) {
const path =
req.params[0].split(
`/ProxyScript/run/${req.params.workspaceId}/${req.params.branch}/${req.params.route}`
)[1] || "/";
for (var route of this.routes) {
console.log(`Checking route: ${route.regexp}`);
console.log(`Against path: ${path}`);
if (route.regexp.test(path)) {
console.log(`Matched route: ${route.regexp}`);
route.function(req, res, route.regexp.exec(path));
return;
}
}
// If no route matches, return a 404 status
const status = { path: req.params[0], status: 404 };
res.status(404).send(status);
},
};
const redisKey = (userId) => {
return `user-map-${userId}`;
};
const axioshelper = (message, config, callback, retries = 3, delay = 100) => {
console.log(config);
return new Promise(async (resolve, reject) => {
for (let i = 0; i < retries; i++) {
try {
const response = await axios(config);
if (response.status < 200 || response.status > 299) {
if (callback) {
await callback();
} else {
throw new Error(
`Axios Request failed! ${JSON.stringify(response)}`
);
}
}
resolve(response);
break;
} catch (error) {
if (error.response) {
// The request was made and the server responded with a status code
// that falls out of the range of 2xx
console.log(error.response.data);
console.log(error.response.status);
console.log(error.response.headers);
} else if (error.request) {
// The request was made but no response was received
// `error.request` is an instance of XMLHttpRequest in the browser and an instance of
// http.ClientRequest in node.js
console.log(error.request);
} else {
// Something happened in setting up the request that triggered an Error
console.log("Error", error.message);
}
console.log(error.config);
if (i === retries - 1) {
if (callback) {
await callback();
}
console.log({
retry: i + 1,
error: "out of retries",
message,
url: config.url,
});
reject(error);
} else {
console.log({
level: "warn",
message: `Attempt ${i + 1} failed.`,
url: config.url,
});
await new Promise((resolve) => setTimeout(resolve, delay));
}
}
}
});
};
async function createSessionMap(umStr, sessionMap) {
console.log({ method: "createSessionMap", sessionMap });
let keys = Object.keys(sessionMap);
keys.forEach(async (key) => {
await redis.hSet(umStr, key, sessionMap[key]);
});
await redis.expire(umStr, 3600);
}
async function m2mAuthentication() {
let data = new URLSearchParams({
grant_type: paSettings.copilot.oauth2.grant_type,
client_id: paSettings.copilot.oauth2.clientId,
client_secret: paSettings.copilot.oauth2.clientSecret,
audience: paSettings.copilot.oauth2.audience,
});
let token = await axioshelper("m2m authentication", {
method: "post",
url: paSettings.copilot.tokenUrl,
headers: {
"Content-Type": "application/x-www-form-urlencoded",
},
data,
})
.then((response) => {
return response.data.access_token;
})
.catch((error) => {
console.error("Error during M2M authentication:", error);
throw error;
});
return token;
}
app.route(
"^(?:/([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})/contexts/([^/]+))(?:/$)?$",
async (req, res, match) => {
try {
console.log(`Received request for contexts: ${match}`);
const modelName =
req.params?.modelName || context_updater_settings.modelName;
// expect 2 matches
if (match.length > 2) {
const tenantId = match[1];
const contextOwner = match[2];
const smStr = redisKey(contextOwner);
let sessionMap = await redis.hGetAll(smStr);
if (!sessionMap || !sessionMap.conversationId) {
// no session data is okay for copilot, create one now
sessionMap = {
customerId: paSettings.copilot.customerId,
upn: contextOwner,
tenantId,
};
await createSessionMap(smStr, sessionMap);
}
console.log({ sessionMap });
const metadata = {
userId: bot_user.userId,
channel,
};
let input = undefined;
req.body["vcx:fields"].forEach((field) => {
if (field["vcx:field"] == "searchTerm") {
input = "Search for " + field["vcx:typedValue"]["vcx:stringValue"];
}
});
if (input) {
const recognizedData = await axioshelper("run model", {
method: "post",
url: `${settings_667ef98d3ee8930a5debcbdb.nlu.apiBaseURL}Model/run/${req.params.workspaceId}/${req.params.branch}/${modelName}`,
headers: studioToken,
data: {
input: input,
conversationId: sessionMap.conversationId,
settings: settings_667ef98d3ee8930a5debcbdb.nlu.settings,
metadata: metadata,
},
})
.then((response) => {
return response.data;
})
.catch((error) => {
//If we have error handling turned off, don't record the error
if (settings_667ef98d3ee8930a5debcbdb.errorHandling === false) {
throw error;
} else {
// Conversation ID is generated by the NLU
// Must make sure Conversation ID is created properly for an error transaction
// Get it from session map if it exists, or generate it if we got the error at the very first transaction.
const conversationId = sessionMap.conversationId || uuidv4();
let errorPayload = {
id: uuidv4(),
workspaceId: req.params.workspaceId,
errorInfo: {
name: error.name,
message: error.message,
stack: error.stack,
},
conversationId,
input: req.body.input,
answers: [
settings_667ef98d3ee8930a5debcbdb.responses.modelError,
],
req: {
params: req.params,
query: req.query,
body: req.body,
headers: req.headers,
},
metadata,
classificationResults: [
{
label: "Model Error",
value: 0.0,
},
],
nerResults: {
entities: [],
sourceEntities: [],
},
// Reporting tags to match GlobalSupport function reporting
tag: "ERROR",
reporting: {
tag: "ERROR",
modelResponse: "ERROR",
},
};
// Add model name
errorPayload.req.params.route = modelName;
//add any other details you wish to see in transaction data
return errorPayload;
}
});
if (recognizedData.conversationId) {
await redis.hSet(
smStr,
"conversationId",
recognizedData.conversationId
);
await redis.expire(smStr, 3600);
if (sessionMap.conversationId) {
} else {
db.analytics.addConversation({
id: recognizedData.conversationId,
});
}
}
recognizedData._id = (
await db.analytics.addTransaction(recognizedData)
).insertedId;
// Send Answers to Messenger
new Promise(async (resolve) => {
for (const [index, answer] of recognizedData.answers.entries()) {
let bearerAuth = await m2mAuthentication();
if (!bearerAuth) {
throw Error("Unable to Authenticate M2M");
}
let body = answer;
if (typeof answer === "string" || answer instanceof String) {
body = stripHTMLTags(body);
body = {
source: "//wa/us-east-1/int/demo/plain",
type: "verint.ui_messages.text.v1",
id: "ca5057b8-2c1d-4758-89d6-0370d6f28cc2",
time: "2020-07-30T14:44:00+00:00",
data: {
version: "1.0.0",
format: "plain",
persona_icon: {
id: "Verint-Bot-Head",
color: "#007ACC",
},
title_icon: {
id: "message-status-info",
color: "#FF5722",
},
body: body,
},
};
}
console.log({
data: {
customerId: sessionMap.customerId,
upn: sessionMap.upn,
...body,
},
});
let cloudEventResponse = await axioshelper(
"copilot cloud-event",
{
method: "post",
url: `https://apigw.us-east-1.wrk-1.aws.hydra.verint.com/int/wa/v1/cloud-event`,
headers: {
Authorization: `Bearer ${bearerAuth}`,
},
data: {
customerId: sessionMap.customerId,
upn: sessionMap.upn,
...body,
},
}
);
console.log({ cloudEventResponse: cloudEventResponse.data });
}
resolve(true);
});
// scrub response before sending
delete recognizedData.req;
res.send(recognizedData);
} else {
res.status(400).send({ error: "Bad Request no search term found." });
}
} else {
res
.status(400)
.send({ error: "Bad Request no context owner or tenantId found." });
}
} catch (error) {
console.error(error);
return res.status(500).send({
status: 500,
});
}
}
);
app.run(req, res);