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server.js
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server.js
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const express = require("express");
const app = express();
const fetch = require("node-fetch");
const path = require("path");
const AccessToken = require("twilio").jwt.AccessToken;
const VideoGrant = AccessToken.VideoGrant;
require("dotenv").config();
const Sequelize = require("sequelize-cockroach-db");
const {
AssistantFallbackActionsInstance,
} = require("twilio/lib/rest/preview/understand/assistant/assistantFallbackActions");
const symblAppId = process.env.SYMBL_APP_ID;
const symblAppSecret = process.env.SYMBL_APP_SECRET;
const symblApiBasePath =
process.env.SYMBL_API_BASE_PATH || "https://api.symbl.ai";
const MAX_ALLOWED_SESSION_DURATION = 14400;
const twilioAccountSid = process.env.TWILIO_ACCOUNT_SID;
const twilioApiKeySID = process.env.TWILIO_API_KEY_SID;
const twilioApiKeySecret = process.env.TWILIO_API_KEY_SECRET;
const cockDb_PASSWORD = process.env.COCKDB_PASSWORD;
const cockDb_USERNAME = process.env.COCKDB_USERNAME;
const cockDb_HOST = process.env.COCKDB_HOST;
const cockDb_PORT = process.env.COCKDB_PORT;
const cockDb_DATABASE = process.env.COCKDB_DATABASE;
// Data Base Global Variable Declaration
let sequelize = new Sequelize({
dialect: "postgres",
username: cockDb_USERNAME,
password: cockDb_PASSWORD,
host: cockDb_HOST,
post: cockDb_PORT,
database: cockDb_DATABASE,
logging: false,
});
//Creating CockDB table
const DSA = sequelize.define('dsa',{
id: {
type: Sequelize.INTEGER,
autoIncrement :true,
primaryKey: true,
},
question: {
type: Sequelize.TEXT,
}
answer: {
type: Sequelize.TEXT,
}
});
app.use(express.static(path.join(__dirname, "build")));
app.use((req, res, next) => {
res.header("Access-Control-Allow-Origin", "*");
res.header(
"Access-Control-Allow-Headers",
"Origin, X-Requested-With, Content-Type, Accept, X-API-KEY"
);
next();
});
app.get("/symbl-token", async (req, res) => {
try {
const response = await fetch(`${symblApiBasePath}/oauth2/token:generate`, {
method: "POST",
mode: "cors",
cache: "no-cache",
credentials: "same-origin",
headers: {
"Content-Type": "application/json",
},
redirect: "follow",
referrerPolicy: "no-referrer",
body: JSON.stringify({
type: "application",
appId: symblAppId,
appSecret: symblAppSecret,
}),
});
res.json(await response.json()).end();
} catch (e) {
console.error("Error while issuing Symbl Token.", e);
res
.status(401)
.json({
message: e.toString(),
})
.end();
}
});
app.get("/twilio-token", (req, res) => {
const { identity, roomName } = req.query;
const token = new AccessToken(
twilioAccountSid,
twilioApiKeySID,
twilioApiKeySecret,
{
ttl: MAX_ALLOWED_SESSION_DURATION,
}
);
token.identity = identity;
const videoGrant = new VideoGrant({ room: roomName });
token.addGrant(videoGrant);
res.send(token.toJwt());
console.log(`issued token for ${identity} in room ${roomName}`);
});
app.get("*", (_, res) =>
res.sendFile(path.join(__dirname, "build/index.html"))
);
app.listen(8081, () => console.log("token server running on 8081"));