@sap/xsodata/documentation/code_samples_pure_node/expressjs__multi_services/index.js

Expose data from a HANA database as OData V2 service with help of .xsodata files.

'use strict';

var path = require('path');
var logger = require('<winston_api_like_logger>');
var express = require('express');
var xsOData = require('./../../../index');

logger.level = 'warn';

//Webserver configuration
var webServerPort = 8019;
var hostPortName = "localhost:" + webServerPort;
var odataPrefix = '/odata';

//OData handler configuration
var configuration = {
    //Here serviceConfiguration points to a directory: so the first uri segment behind the port
    //must contain the name of the xsodata file to use. E.g. for name demo.xsodata:
    //http://localhost/odata/demo.xsodata/$metadata
    "serviceConfiguration": path.join(__dirname, "services"),
    "defaultSchema": 'REFSCENARIO',
    "dbConfiguration": {
        "host": "<your host>",
        "port": 1234,
        "user": "<your user>",
        "password": "<your password>"
    },
    "logger": logger
};


//Instantiate ODataHandler
var handler = new xsOData.ODataHandler(configuration);


//express stuff
var app = express();

app.use(odataPrefix, function (req, res, next) {
    handler.processRequest(req, res, req.baseUrl, function done() {
        console.log("processed odata request " + req.url);
    });
    return;
});

app.use(express.static('public'));

app.listen(webServerPort, function () {
    console.log("Listen on localhost:" + webServerPort);
    console.log("Index url for demo    : http://" + hostPortName + '/index.html');
    console.log("Service url for demo    : http://" + hostPortName + odataPrefix + '/demo.xsodata');
    console.log("Service url for demo_nav: http://" + hostPortName + odataPrefix + '/demo_nav.xsodata');
});