restapi.js

const express = require("express");
const users = require("./MOCK_DATA.json");

const app = express();
const PORT = 8000;

app.use(express.json());

//middleware 
app.use((req, res, next) => {
    console.log(req.method, req.url);
    next();  
});


app.get("/api/users", (req, res) => {
    return res.json(users);
});

app.get("/api/users/:id", (req, res) => {
    const id = req.params.id;
    const user = users.find((user) => user.id === parseInt(id));
    return res.json(user);
});

app.post("/api/users", (req, res) => {
    const newUser = req.body;  
    users.push(newUser);
    res.json(newUser);
});


app.patch("/api/users/:id", (req, res) => {
    const id = parseInt(req.params.id);
    const updates = req.body;
    const user = users.find(u => u.id === id);
    Object.assign(user, updates);
    res.json(user);

});

app.delete("/api/users/:id", (req, res) => {
    const id = parseInt(req.params.id);
    const index = users.findIndex(u => u.id === id);
    const deletedUser = users.splice(index, 1);
    res.json(deletedUser);

});



app.listen(PORT, () => console.log("server started"))