Backend 1

backend/authintication/signup_login.mjs

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+import { GraphQLClient} from "graphql-request";
+import jwt from 'jsonwebtoken';
+import { Query } from "../graphql_queris/query.mjs";
+import bodyParser from "body-parser";
+
+const gph_query = new Query();
+
+const hasuraEndpoint = 'https://willing-gull-77.hasura.app/v1/graphql';
+const adminSecret = 'CK8Kys28AWtFWGz78Vk0WGX6BAZCD4GetlpOQvRKxRsWMdVZBOM2H3pFtjp7kIey';
+
+const generateJwtToken = () => {
+    const claims = {
+        "sub": "1234567890",
+        "name": "Debesh Pramanick",
+        "https://hasura.io/jwt/claims": {
+          "x-hasura-allowed-roles": [
+            "admin",
+            "user"
+          ],
+          "x-hasura-default-role": "admin"
+        // "x-hasura-default-role": "user"
+        }
+      }
+
+    return jwt.sign(claims, '5kOnr5vYmLggihää0X9TGrQBC4PoFPgt', { expiresIn: '1h' });
+};
+
+const client = new GraphQLClient(hasuraEndpoint, {
+    headers: {
+        'x-hasura-admin-secret': adminSecret
+        // 'Authorization': `Bearer ${generateJwtToken()}`
+    },
+});
+
+
+export class AuthLogic{
+
+
+    async insertSignupUser(req, res){
+        try{
+            // console.log(req.body)
+            const {first_name, last_name, email, password, company_name, company_role} = req.body;
+            const data = await client.request(gph_query.signupInsertUser(first_name, last_name, email, password, company_name, company_role),{});
+            // console.log(data);
+            // res.json(data);
+            res.status(200).json(
+                {
+                    "uuid":data.insert_kalenview_one.uuid,
+                    "first_name":data.insert_kalenview_one.first_name,
+                    "last_name":data.insert_kalenview_one.last_name
+                });
+        }catch (error) {
+            console.error('Error fetching data:', error);
+            res.status(500).json({error: 'Internal server error'});
+        }
+    }
+
+
+    async login(req, res){
+        try{
+            // console.log(req.body)
+            const {email, password} = req.body;
+            const data = await client.request(gph_query.loginUser(email, password),{});
+            // console.log(data);
+            // res.json(data);
+            res.status(200).json(
+                {
+                    "message":"Welcome User",
+                    "uuid":data.kalenview_by_pk.uuid,
+                    "first_name":data.kalenview_by_pk.first_name,
+                    "last_name":data.kalenview_by_pk.last_name
+                });
+        }catch (error) {
+            console.error('Error fetching data:', error);
+            res.status(500).json({error: 'Kindly Sign Up or Check email and password'});
+        }
+    }
+
+
+}

backend/graphql_queris/query.mjs

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+export class Query{
+
+    signupInsertUser(first_name, last_name, email, password, company_name, company_role){
+        return `
+        mutation MyMutation {
+            insert_kalenview_one(object: {company_name: "${company_name}", company_role: "${company_role}",
+             email: "${email}", first_name: "${first_name}", last_name: "${last_name}", password: "${password}"}) {
+              uuid
+              first_name
+              last_name
+            }
+          }
+        `
+    };
+
+    loginUser(email, password){
+        return `
+        query MyQuery {
+            kalenview_by_pk(email: "${email}", password: "${password}") {
+              uuid
+              first_name
+              last_name
+            }
+          }
+        `
+    };
+
+
+}

backend/index.js

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+import express from 'express';
+import { router } from './routes/routes.mjs';
+
+const app = express();
+const PORT = process.env.PORT || 6541;
+
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(router);
+
+
+app.listen(PORT, ()=>{
+    console.log(`URL: http://localhost:${PORT}`);
+});