working

backend/controllers/wbot.js

@@ -0,0 +1,48 @@
+const path = require("path");
+const qrCode = require("qrcode-terminal");
+const fs = require("fs");
+const { Client } = require("whatsapp-web.js");
+let wbot;
+
+module.exports = {
+	init: () => {
+		const SESSION_FILE_PATH = path.join(__dirname, "/session.json");
+		let sessionCfg;
+		if (fs.existsSync(SESSION_FILE_PATH)) {
+			sessionCfg = require(SESSION_FILE_PATH);
+		}
+		wbot = new Client({
+			session: sessionCfg,
+		});
+		wbot.initialize();
+		wbot.on("qr", qr => {
+			qrCode.generate(qr, { small: true });
+		});
+		wbot.on("authenticated", session => {
+			console.log("AUTHENTICATED");
+			sessionCfg = session;
+			fs.writeFile(SESSION_FILE_PATH, JSON.stringify(sessionCfg), function (
+				err
+			) {
+				if (err) {
+					console.error(err);
+				}
+			});
+		});
+		wbot.on("auth_failure", msg => {
+			console.error("AUTHENTICATION FAILURE", msg);
+		});
+		wbot.on("ready", () => {
+			console.log("READY");
+		});
+
+		return wbot;
+	},
+
+	getWbot: () => {
+		if (!wbot) {
+			throw new Error("Wbot not initialized");
+		}
+		return wbot;
+	},
+};