first commit

.env

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+PORT=5000
+DB_USER= opMonitor
+DB_PASSWORD =opLcd@123456789
+DB=TDP
+SERVER=10.1.1.21\\PDD

.gitignore

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+node_modules
+public

config/controller.js

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+const ServiceHandler = require('./service')
+
+class ControllerHandlerClass {
+   
+    async getData(req,res,next){
+        try {
+            const data = await ServiceHandler.getData();
+            return res.status(200).json({
+                status:200,
+                data,
+                message:"Ok"
+            })
+        } catch (error) {
+                        console.log(error)
+
+            next('Server Error ')
+        }
+    }
+}
+
+const ControllerHandler = new ControllerHandlerClass();
+
+module.exports =ControllerHandler;

config/db.js

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+const mssql = require('mssql')
+const dotenv  = require('dotenv').config()
+
+let pool;
+const sqlConfig = {
+    user:process.env.DB_USER,
+    password:process.env.DB_PASSWORD,
+    database:process.env.DB,
+    server:process.env.SERVER,
+    port:1433,
+    pool:{
+        max:10,
+        min:0,
+        idleTimeoutMillis:30000
+    },
+    options:{
+        encrypt:false,
+        trustServerCertificate:false,
+    }
+}
+
+async function initPool(){
+
+   
+    if(pool) return pool;
+    pool= await mssql.connect(sqlConfig);
+    
+    return pool;
+
+}
+module.exports = {initPool};

config/router.js

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+const ControllerHandler  =require('./controller')
+const express = require('express')
+
+const router = express.Router();
+
+
+router.get('/get',ControllerHandler.getData)
+
+module.exports = router;

config/service.js

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+const {initPool} = require("./db") ;
+
+class ServiceHanlderClass {
+    async getData(){
+        
+        const pool = await initPool();
+        try {
+
+            const result = await pool.request().query("EXEC TDP.dbo.SP_ListFullPatientStatus01  ");
+            
+            // await pool.close();
+            // pool=null;
+            // console.log('closed')
+            return result;
+            
+        } catch (error) {
+            console.log(error)
+            throw new Error(error)
+        }
+    }
+}
+
+const ServiceHandler = new ServiceHanlderClass();
+
+module.exports = ServiceHandler;

package.json

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+{
+  "name": "or-project",
+  "version": "1.0.0",
+  "description": "",
+  "main": "server.js",
+  "scripts": {
+    "dev": "nodemon server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "commonjs",
+  "dependencies": {
+    "cors": "^2.8.6",
+    "dotenv": "^17.2.3",
+    "express": "^5.2.1",
+    "mssql": "^12.2.0"
+  },
+  "devDependencies": {
+    "nodemon": "^3.1.11"
+  }
+}

server.js

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+const express = require('express');
+const router = require('./config/router');
+const dotenv = require('dotenv')
+const cors = require('cors')
+dotenv.config()
+
+const server = express();
+const PORT = process.env.PORT || 5000;
+server.use(express.json())
+server.use(express.urlencoded({urlencoded:true}))
+server.use(cors({
+    origin:"*"
+}))
+server.use('/api/v1',router)
+
+server.listen(PORT, () => {
+    console.log(`Server Running on PORT ${PORT}`)
+})