Implement API endpoints in Node.js server for greeting and notes management, and update README with new endpoint details.
This commit is contained in:
sayudhalw
+185
-4
@@ -1,13 +1,112 @@
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const http = require('http');
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const notes = [];
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// fungsi ini dipanggil ketika ada request
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function handleRequest(request, response) {
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console.log('Ada yang minta:', request.url);
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const waktu = new Date().toISOString("id-ID");
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// --- CABANG API ---
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if (request.url === '/api/hello') {
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response.writeHead(200, {
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'Content-Type': 'application/json; charset=utf-8'
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})
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response.end(
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JSON.stringify({
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message: 'Halo dari API Node',
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waktu: waktu,
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})
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)
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return; // penting: berhenti disini, jangan kirim HTML juga.
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}
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if (request.url === '/api/greet' && request.method === 'POST') {
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let body = '';
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request.on('data', function(chunk) {
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body += chunk;
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})
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request.on('end', function() {
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let name = 'teman';
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try {
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const parsed = JSON.parse(body);
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if (parsed.name) {
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name = String(parsed.name)
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}
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} catch (err) {
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console.error('Gagal membaca body:', err);
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}
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response.writeHead(200, {
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'Content-Type': 'application/json; charset=utf-8'
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})
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response.end(
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JSON.stringify({
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sapaan: `Halo, ${name}!`,
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waktu: new Date().toISOString(),
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})
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)
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})
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return;
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}
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if (request.url === '/api/notes' && request.method === 'GET') {
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response.writeHead(200, {
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'Content-Type': 'application/json; charset=utf-8',
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})
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response.end(JSON.stringify(notes));
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return;
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}
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if (request.url === '/api/notes' && request.method === 'POST') {
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let body = '';
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request.on('data', function(chunk) {
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body += chunk;
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})
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request.on('end', function() {
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let teks = '';
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try {
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const parsed = JSON.parse(body);
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if (parsed.teks) {
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teks = String(parsed.teks).trim();
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}
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} catch (err) {
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console.error('Gagal membaca body:', err);
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}
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if (!teks) {
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response.writeHead(400, {
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'Content-Type': 'application/json; charset=utf-8',
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})
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response.end(JSON.stringify({
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error: 'Teks tidak boleh kosong',
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}))
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return;
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}
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const note = {
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id: Date.now(),
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teks: teks,
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waktu: new Date().toISOString(),
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}
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notes.push(note);
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response.writeHead(201, {
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'Content-Type': 'application/json; charset=utf-8',
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})
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response.end(JSON.stringify(note));
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return;
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})
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return;
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}
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// --- CABANG HTML ---
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response.writeHead(200, {
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"Content-Type": "text/html; charset=utf-8",
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'Content-Type': 'text/html; charset=utf-8'
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});
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response.end(`<!DOCTYPE html>
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@@ -18,13 +117,95 @@ function handleRequest(request, response) {
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</head>
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<body>
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<h1>Halo dari Node</h1>
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<p>Ini dibuat ulang setiap request, bukan file HTML diam.</p>
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<p>Waktu server: <strong>${waktu}</strong></p>
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<p>Path yang diminta: <code>${request.url}</code></p>
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<p>Halaman ini dari server. Tombol di bawah memanggil API dari browser.</p>
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<p>Waktu saat halaman dibuat: <strong>${waktu}</strong></p>
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<button type="button" id="tombol">Panggil /api/hello</button>
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<p id="hasil">Belum dipanggil.</p>
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<hr />
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<h2>Coba POST</h2>
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<label>
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Nama: <br />
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<input type="text" id="nama" placeholder="namamu" /><br />
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</label>
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<button type="button" id="kirim">Kirim ke /api/greet</button>
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<p id="sapaan">Belum ada sapaan.</p>
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<hr />
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<h2>Caatan (memori server)</h2>
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<ul id='daftar-notes'></ul>
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<input type='text' id='teks-note' placeholder='Tulis catatan baru...' />
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<button type='button' id='tambah-note'>Tambah</button>
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<script>
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const tombol = document.getElementById("tombol");
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const hasil = document.getElementById("hasil");
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tombol.addEventListener("click", async function () {
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hasil.textContent = "Memuat...";
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try {
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const response = await fetch("/api/hello");
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const data = await response.json();
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hasil.textContent = data.message + " | " + data.waktu;
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} catch (err) {
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hasil.textContent = "Gagal: " + err.message;
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}
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});
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const inputNama = document.getElementById("nama");
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const tombolKirim = document.getElementById("kirim");
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const teksSapaan = document.getElementById("sapaan");
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tombolKirim.addEventListener("click", async function () {
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teksSapaan.textContent = "Mengirim...";
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try {
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const response = await fetch("/api/greet", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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nama: inputNama.value,
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}),
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});
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const data = await response.json();
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teksSapaan.textContent = data.sapaan + " (" + data.waktu + ")";
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} catch (err) {
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teksSapaan.textContent = "Gagal: " + err.message;
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}
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});
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const daftarNotes = document.getElementById("daftar-notes");
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const inputNote = document.getElementById("teks-note");
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const tombolNote = document.getElementById("tambah-note");
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async function muatNotes() {
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const response = await fetch("/api/notes");
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const data = await response.json();
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daftarNotes.innerHTML = "";
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data.forEach(function (note) {
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const li = document.createElement("li");
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li.textContent = note.teks + " (" + note.waktu + ")";
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daftarNotes.appendChild(li);
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});
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}
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tombolNote.addEventListener("click", async function () {
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await fetch("/api/notes", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ teks: inputNote.value }),
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});
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inputNote.value = "";
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await muatNotes();
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});
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// saat halaman dibuka, ambil daftar yang sudah ada
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muatNotes();
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</script>
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</body>
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</html>`);
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}
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// --- Mulai server ---
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const server = http.createServer(handleRequest);
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server.listen(3000, function() {
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