remove kecamatan and kelurahan table, using alamat where the lampu merah located, added the photos on /assets/image/<id> on each alamat, update server.js, add new list.html

api/server.js

@@ -124,23 +124,10 @@ app.get("/sensordata/:id", (req, res) => {
       air_data.bz,
       air_data.aq,
       air_data.updated_at,
-
+      alamat_data.alamat AS alamat
-      sensor_data.alamat,
-
-      kelurahan.nama AS kelurahan,
-      kecamatan.nama AS kecamatan
-
     FROM air_data
-
+    JOIN alamat_data
-    JOIN sensor_data 
+      ON alamat_data.id = air_data.id
-      ON air_data.id = sensor_data.id
-
-    JOIN kelurahan 
-      ON sensor_data.kelurahan = kelurahan.id
-
-    JOIN kecamatan 
-      ON kelurahan.kecamatan_id = kecamatan.id
-
     WHERE air_data.id = ?
     ORDER BY air_data.updated_at DESC
     LIMIT 1
@@ -163,7 +150,7 @@ app.get("/sensordata/:id", (req, res) => {
 });
 
 app.get("/sensors", (req, res) => {
-  const sql = `SELECT id FROM sensor_data ORDER BY id ASC`;
+  const sql = `SELECT * FROM alamat_data where status = 1 ORDER BY id ASC`;
 
   db.query(sql, (err, results) => {
     if (err) {
@@ -178,56 +165,52 @@ app.get("/sensors", (req, res) => {
 // ADD SENSOR
 // ============================
 app.post("/addSensor", (req, res) => {
-  const { kelurahan, alamat } = req.body;
+  const { id } = req.body;
 
-  // ============================
+  // check if id is provided
-  // VALIDATION
+  if (!id) {
-  // ============================
-  if (!kelurahan || !alamat) {
     return res.status(400).json({
-      error: "kelurahan dan alamat wajib diisi"
+      error: "Sensor ID is required"
     });
   }
 
-  // ============================
+  // check if id is numeric
-  // VALIDATE KELURAHAN EXISTS
+  if (isNaN(id)) {
-  // ============================
+    return res.status(400).json({
-  const checkSql = `SELECT id FROM kelurahan WHERE id = ?`;
+      error: "Sensor ID must be numeric"
+    });
+  }
 
-  db.query(checkSql, [kelurahan], (err, rows) => {
+  // check if id exists in alamat_data table, if available then continue
+  const checkSql = `SELECT id FROM alamat_data WHERE id = ?`;
+
+  db.query(checkSql, [id], (err, results) => {
     if (err) {
       console.error(err);
       return res.status(500).json({ error: "DB error" });
     }
 
-    if (rows.length === 0) {
+    if (results.length === 0) {
       return res.status(400).json({
-        error: "Kelurahan tidak valid"
+        error: "Sensor ID not found in alamat_data table"
       });
     }
+  });
   
-    // ============================
+  // update the status field to 1 to the id in alamat_data table
-    // INSERT SENSOR
+  const updateSql = `UPDATE alamat_data SET status = 1 WHERE id = ?`;
-    // ============================
-    const insertSql = `
-      INSERT INTO sensor_data (kelurahan, alamat)
-      VALUES (?, ?)
-    `;
 
-    db.query(insertSql, [kelurahan, alamat], (err, result) => {
+  db.query(updateSql, [id], (err, result) => {
     if (err) {
       console.error(err);
-        return res.status(500).json({
+      return res.status(500).json({ error: "DB error" });
-          error: "DB error saat insert"
-        });
     }
-
     res.json({
-        message: "Sensor berhasil ditambahkan",
+      message: "Sensor added successfully",
-        sensor_id: result.insertId
+      id: id
-      });
     });
   });
+  
 });
 
 // ============================
@@ -252,8 +235,8 @@ app.get("/history", (req, res) => {
 
 
 // get kecamatan
-app.get("/kecamatan", (req, res) => {
+app.get("/alamat", (req, res) => {
-  const sql = `SELECT id, nama FROM kecamatan ORDER BY nama ASC`;
+  const sql = `SELECT * from alamat_data where status = 0 ORDER BY id ASC`;
 
   db.query(sql, (err, results) => {
     if (err) {
@@ -266,38 +249,6 @@ app.get("/kecamatan", (req, res) => {
 });
 
 
-// get kelurahan by kecamatan_id
-app.get("/kelurahan", (req, res) => {
-  const { kecamatan_id } = req.query;
-
-  let sql = `
-    SELECT 
-      kelurahan.id,
-      kelurahan.nama,
-      kecamatan.nama AS kecamatan
-    FROM kelurahan
-    JOIN kecamatan ON kelurahan.kecamatan_id = kecamatan.id
-  `;
-
-  let params = [];
-
-  if (kecamatan_id) {
-    sql += ` WHERE kelurahan.kecamatan_id = ?`;
-    params.push(kecamatan_id);
-  }
-
-  sql += ` ORDER BY kelurahan.nama ASC`;
-
-  db.query(sql, params, (err, results) => {
-    if (err) {
-      console.error(err);
-      return res.status(500).json({ error: "DB error" });
-    }
-
-    res.json(results);
-  });
-});
-
 // ============================
 // START SERVER
 // ============================

site/index.html

@@ -32,6 +32,12 @@
 							<span>Halaman Utama</span>
 						</a>
 					</li>
+					<li>
+						<a href="list.html">
+							<i class="ico fa fa-list"></i>
+							<span>List Sensor</span>
+						</a>
+					</li>
 				</ul>
 			</div>
 		</nav>
@@ -59,24 +65,15 @@
 		<div style="background:#fff; padding:20px; width:350px; margin:100px auto; border-radius:10px;">
 			<h4>Tambah Sensor</h4>
 
-			<label>Kecamatan</label>
+			<label>Alamat:</label>
-			<select id="kecamatan" class="form-control" onchange="loadKelurahan()">
+			<select id="alamat-select" class="form-control" onchange="gambar_preview()">
-				<option value="">-- Pilih Kecamatan --</option>
+				<option value="">-- Pilih Alamat --</option>
 			</select>
 
-			<br>
+			<div id="preview-container" style="margin-top:15px;"></div>
+			<hr>
 
-			<label>Kelurahan</label>
-			<select id="kelurahan" class="form-control">
-				<option value="">-- Pilih Kelurahan --</option>
-			</select>
 			
-			<br>
-
-			<label>Alamat</label>
-			<textarea id="alamat" class="form-control"></textarea>
-
-			<br>
 
 			<button class="btn btn-success" onclick="addSensor()">Simpan</button>
 			<button class="btn btn-default" onclick="closeDialog()">Batal</button>
@@ -85,7 +82,8 @@
 
 	<script src="assets/scripts/jquery.min.js"></script>
 	<script src="assets/plugin/bootstrap/js/bootstrap.min.js"></script>
-	<script src="assets/scripts/main.min.js"></script>
+	<script src="assets/plugin/nprogress/nprogress.js"></script>
+	<script src="assets/scripts/main.js"></script>
 
 	<script>
 		function getStatus(aq) {
@@ -134,12 +132,6 @@
 					<div class="card-content">
 						<form class="form-horizontal">
 
-							<div class="form-group">
-								<label class="col-sm-4 control-label">Lokasi</label>
-								<div class="col-sm-8">
-									<p class="form-control-static">${data.kecamatan} - ${data.kelurahan}</p>
-								</div>
-							</div>
 
 							<div class="form-group">
 								<label class="col-sm-4 control-label">Alamat</label>
@@ -224,56 +216,109 @@
 
 		function openDialog() {
 			document.getElementById("dialog").style.display = "block";
-			loadKecamatan();
+			 // reset dropdown
+    document.getElementById("alamat-select").value = "";
+$("#preview-gambar").html("");
+			loadAlamat();
 		}
 
 		function closeDialog() {
 			document.getElementById("dialog").style.display = "none";
 		}
 
-		async function loadKecamatan() {
-			const res = await fetch("/api/kecamatan");
-			const data = await res.json();
-
-			const select = document.getElementById("kecamatan");
-			select.innerHTML = `<option value="">-- Pilih Kecamatan --</option>`;
-
-			data.forEach(item => {
-				select.innerHTML += `<option value="${item.id}">${item.nama}</option>`;
-			});
-		}
-
-		async function loadKelurahan() {
-			const id = document.getElementById("kecamatan").value;
-			const res = await fetch(`/api/kelurahan?kecamatan_id=${id}`);
-			const data = await res.json();
-
-			const select = document.getElementById("kelurahan");
-			select.innerHTML = `<option value="">-- Pilih Kelurahan --</option>`;
-
-			data.forEach(item => {
-				select.innerHTML += `<option value="${item.id}">${item.nama}</option>`;
-			});
-		}
-
 		async function addSensor() {
-			const kelurahan = document.getElementById("kelurahan").value;
+  const id = document.getElementById("alamat-select").value;
-			const alamat = document.getElementById("alamat").value;
 
-			await fetch("/api/addSensor", {
+  if (!id) {
+    alert("Pilih alamat terlebih dahulu!");
+    return;
+  }
+
+  try {
+    const res = await fetch("/api/addSensor", {
       method: "POST",
-				headers: { "Content-Type": "application/json" },
+      headers: {
-				body: JSON.stringify({ kelurahan, alamat })
+        "Content-Type": "application/json"
+      },
+      body: JSON.stringify({ id })
     });
 
+    const result = await res.json();
+
+    if (!res.ok) {
+      alert(result.error || "Gagal menambah sensor");
+      return;
+    }
+
+    alert("Sensor berhasil ditambahkan");
+
     closeDialog();
+
+    // reset dropdown
+    document.getElementById("alamat-select").value = "";
+	$("#preview-gambar").html("");
+
+    // rebuild cards
     await initSensors();
     updateSensorValues();
+
+  } catch (err) {
+    console.error(err);
+    alert("Terjadi kesalahan");
   }
+}
+
+
+
+
 
 		initSensors();
 		updateSensorValues();
 		setInterval(updateSensorValues, 5000);
+
+		async function loadAlamat() {
+			const res = await fetch("/api/alamat");
+			const data = await res.json();
+
+			const select = document.getElementById("alamat-select");
+			select.innerHTML = `<option value="">-- Pilih Alamat --</option>`;
+
+			data.forEach(item => {
+				select.innerHTML += `<option value="${item.id}">${item.alamat}</option>`;
+			});
+		}
+
+		function gambar_preview() {
+	const alamatId = document.getElementById("alamat-select").value;
+	const container = document.getElementById("preview-container");
+
+	container.innerHTML = "";
+
+	if (!alamatId) return;
+
+	const maxImages = 5; // try up to 5 images
+
+	for (let i = 1; i <= maxImages; i++) {
+		const path = `assets/images/${alamatId}/${i}.png`;
+
+		const img = new Image();
+
+		img.onload = function () {
+			img.style.width = "100%";
+			img.style.marginBottom = "10px";
+			img.style.borderRadius = "8px";
+			img.style.border = "1px solid #ddd";
+
+			container.appendChild(img);
+		};
+
+		img.onerror = function () {
+			// image doesn't exist → ignore
+		};
+
+		img.src = path;
+	}
+}
 	</script>
 </body>
 

site/list.html

@@ -0,0 +1,128 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+	<meta charset="UTF-8">
+	<meta http-equiv="X-UA-Compatible" content="IE=edge">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<title>Sistem Monitoring Kualitas Udara | List Alamat</title>
+
+	<link rel="stylesheet" href="assets/styles/style-horizontal.min.css">
+	<link rel="stylesheet" href="assets/plugin/mCustomScrollbar/jquery.mCustomScrollbar.min.css">
+	<link rel="stylesheet" href="assets/plugin/waves/waves.min.css">
+	<link rel="stylesheet" href="assets/plugin/sweet-alert/sweetalert.css">
+</head>
+
+<body>
+	<header class="fixed-header">
+		<div class="header-top">
+			<div class="container">
+				<div class="pull-left">
+					<a href="index.html" class="logo">Monitor Kualitas Udara</a>
+				</div>
+			</div>
+		</div>
+
+		<nav class="nav-horizontal">
+			<div class="container">
+				<ul class="menu">
+					<li>
+						<a href="index.html">
+							<i class="ico fa fa-home"></i>
+							<span>Halaman Utama</span>
+						</a>
+					</li>
+					<li class="current">
+						<a href="list.html">
+							<i class="ico fa fa-list"></i>
+							<span>List Sensor</span>
+						</a>
+					</li>
+				</ul>
+			</div>
+		</nav>
+	</header>
+
+	<div id="wrapper">
+		<div class="main-content container">
+			<div class="row small-spacing" id="ini_dia"></div>
+
+			
+
+			<footer class="footer">
+				<ul class="list-inline">
+					<li>2026 © SULAIMAN, Universitas Muhammadiyah Parepare.</li>
+				</ul>
+			</footer>
+		</div>
+	</div>
+
+
+	<script src="assets/scripts/jquery.min.js"></script>
+	<script src="assets/plugin/bootstrap/js/bootstrap.min.js"></script>
+	<script src="assets/plugin/nprogress/nprogress.js"></script>
+	<script src="assets/scripts/main.js"></script>
+
+<script>
+	async function loadSensors() {
+		try {
+			const res = await fetch("/api/sensors");
+			const sensors = await res.json();
+			console.log(sensors);
+
+			const container = document.getElementById("ini_dia");
+
+			let html = `
+				<div class="col-xs-12">
+					<div class="box-content card white">
+						<h4 class="box-title">Daftar Alamat Sensor Aktif</h4>
+						<div class="card-content">
+							<table class="table table-bordered">
+								<thead>
+									<tr>
+										<th>No</th>
+										<th>Sensor ID</th>
+										<th>Alamat</th>
+									</tr>
+								</thead>
+								<tbody>
+			`;
+
+			if (!sensors.length) {
+				html += `
+					<tr>
+						<td colspan="3" class="text-center">Tidak ada data</td>
+					</tr>
+				`;
+			} else {
+				sensors.forEach((sensor, index) => {
+					html += `
+						<tr>
+							<td>${index + 1}</td>
+							<td>${sensor.id}</td>
+							<td>${sensor.alamat}</td>
+						</tr>
+					`;
+				});
+			}
+
+			html += `
+								</tbody>
+							</table>
+						</div>
+					</div>
+				</div>
+			`;
+
+			container.innerHTML = html;
+
+		} catch (err) {
+			console.error("Failed load sensors", err);
+		}
+	}
+
+	loadSensors();
+</script>
+</body>
+
+</html>