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,
-
-      sensor_data.alamat,
-
-      kelurahan.nama AS kelurahan,
-      kecamatan.nama AS kecamatan
-
+      alamat_data.alamat AS alamat
     FROM air_data
-
-    JOIN sensor_data 
-      ON air_data.id = sensor_data.id
-
-    JOIN kelurahan 
-      ON sensor_data.kelurahan = kelurahan.id
-
-    JOIN kecamatan 
-      ON kelurahan.kecamatan_id = kecamatan.id
-
+    JOIN alamat_data
+      ON alamat_data.id = air_data.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;
 
-  // ============================
-  // VALIDATION
-  // ============================
-  if (!kelurahan || !alamat) {
+  // check if id is provided
+  if (!id) {
     return res.status(400).json({
-      error: "kelurahan dan alamat wajib diisi"
+      error: "Sensor ID is required"
     });
   }
 
-  // ============================
-  // VALIDATE KELURAHAN EXISTS
-  // ============================
-  const checkSql = `SELECT id FROM kelurahan WHERE id = ?`;
+  // check if id is numeric
+  if (isNaN(id)) {
+    return res.status(400).json({
+      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
+  const updateSql = `UPDATE alamat_data SET status = 1 WHERE id = ?`;
 
-    // ============================
-    // INSERT SENSOR
-    // ============================
-    const insertSql = `
-      INSERT INTO sensor_data (kelurahan, alamat)
-      VALUES (?, ?)
-    `;
-
-    db.query(insertSql, [kelurahan, alamat], (err, result) => {
-      if (err) {
-        console.error(err);
-        return res.status(500).json({
-          error: "DB error saat insert"
-        });
-      }
-
-      res.json({
-        message: "Sensor berhasil ditambahkan",
-        sensor_id: result.insertId
-      });
+  db.query(updateSql, [id], (err, result) => {
+    if (err) {
+      console.error(err);
+      return res.status(500).json({ error: "DB error" });
+    }
+    res.json({
+      message: "Sensor added successfully",
+      id: id
     });
   });
+  
 });
 
 // ============================
@@ -252,8 +235,8 @@ app.get("/history", (req, res) => {
 
 
 // get kecamatan
-app.get("/kecamatan", (req, res) => {
-  const sql = `SELECT id, nama FROM kecamatan ORDER BY nama ASC`;
+app.get("/alamat", (req, res) => {
+  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
 // ============================