app.js

const http = require("http");
const url = require("url");
const fs = require("fs");
const cors = require("cors");
const path = require("path");
const {
  getProducts,
  getProduct,
  createProduct,
  updateProduct,
  deleteProduct,
} = require("./controllers/product_contorler");
const server = http.createServer((req, res, id) => {
  cors()(req, res, () => {
    if (req.url === "/api/product/" && req.method === "GET") {
      getProducts(req, res);
    } else if (
      req.url.match(/\/api\/product\/[a-zA-Z0-9-]+$/) &&
      req.method === "GET"
    ) {
      const id = req.url.split("/")[3];
      getProduct(req, res, id);
    } else if (req.url === "/api/product/" && req.method === "POST") {
      const id = req.url.split("/")[3];
      createProduct(req, res, id);
    } else if (
      req.url.match(/\/api\/product\/([0-9]+)/) &&
      req.method === "PUT"
    ) {
      const id = req.url.split("/")[3];
      updateProduct(req, res, id);
    } else if (
      req.url.match(/\/api\/product\/[a-zA-Z0-9-]+$/) &&
      req.method === "DELETE"
    ) {
      const id = req.url.split("/")[3];
      deleteProduct(req, res, id);
    } else {
      res.setHeader("Access-Control-Allow-Origin", "*");
      res.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
      res.setHeader(
        "Access-Control-Allow-Headers",
        "Origin, X-Requested-With, Content-Type, Accept"
      );
      res.writeHead(404, { "Content-type": "application/json" });
      res.end(JSON.stringify({ message: "not found" }));
    }
  });
});
const PORT = process.env.PORT || 2000;
server.listen(PORT, () => console.log(`Server running at ${PORT}`));