ready4it-node/server.js at main · kpaool/ready4it-node · GitHub

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let http = require("http")
let fs = require("fs")


const server = http.createServer((req, res) => {


    console.log(req.url, req.method)

    switch (req.url) {
        case "/":
            res.writeHead(200, {
                "Content-Type": "text/plain"
            })

            res.write("Hello world")
            res.write(" from Ready 4IT")

            res.end()
            break;

        case "/sales":

            if (req.method == "GET") {

                fs.readFile("sales.json", (err, data) => {
                    if (err) {
                        res.writeHead(400, {
                            "Content-Type": "application/json"
                        })

                        res.write(JSON.stringify({ message: err }))
                        res.end()
                    } else {

                        res.writeHead(200, {
                            "Content-Type": "application/json"
                        })

                        res.write(JSON.stringify(JSON.parse(data)))
                        res.end()

                    }
                })

            } else if (req.method == "POST") {

                // code to process the data


                let body = ""
                req.on("data", (chunk) => {
                    body += chunk.toString()
                })


                req.on("end", () => {
                    res.writeHead(200, {
                        "Content-Type": "application/json"
                    })
                    body = JSON.parse(body)

                    res.write(JSON.stringify({ message: "Data processed successfully", body }))
                    res.end()
                })

            } else {
                res.writeHead(400, {
                    "content-type": "application/json"
                })

                res.write(JSON.stringify({ message: "This endpoint only proceses GET requests" }))
                res.end()

                break;
            }


            break;
        default:
            res.writeHead(404, {
                "Content-Type": "application/json"
            })

            res.write(JSON.stringify({ message: "Page not found" }))
            res.end()
            break;
    }


})

server.listen(3000, () => {
    console.log("Server is running successfully on port 3000")
})