add new function in diagnosaController

backend/controller/authController.js

@@ -41,6 +41,8 @@ exports.register = async (req, res) => {
     }
   };
 
+  // Penyimpanan sesi login (in-memory)
+  const activeSessions = {}; // key: user.id, value: true/false
 
 // Login
 exports.login = async (req, res) => {
@@ -53,6 +55,11 @@ exports.login = async (req, res) => {
             return res.status(401).json({ message: "Email atau password salah" });
         }
 
+        // 🔹 Cek apakah user sudah login di device lain
+        if (activeSessions[user.id]) {
+            return res.status(403).json({ message: "Akun ini sedang digunakan di perangkat lain." });
+        }
+
         // 🔹 Verifikasi password
         const isPasswordValid = await argon2.verify(user.password, password);
         if (!isPasswordValid) {
@@ -66,19 +73,32 @@ exports.login = async (req, res) => {
             { expiresIn: process.env.JWT_EXPIRES_IN || '1d' }
         );
 
+        // 🔹 Tandai user sedang login (aktif)
+        activeSessions[user.id] = true;
+
         console.log("User ID dari backend:", user.id);
 
         // 🔹 Kirim response dengan token dan role
         res.status(200).json({
             message: "Login berhasil",
             token,
-            role: user.role  // Ini penting untuk Flutter agar bisa menentukan halaman tujuan
+            role: user.role
         });
+
     } catch (error) {
         res.status(500).json({ message: "Terjadi kesalahan", error });
     }
 };
 
+exports.logout = (req, res) => {
+    const userId = req.user.id; // Ambil dari JWT yang sudah diverifikasi
+
+    // Hapus sesi aktif
+    delete activeSessions[userId];
+
+    res.status(200).json({ message: "Logout berhasil" });
+};
+
 // Buat transporter Nodemailer dengan Gmail
 const createGmailTransporter = () => {
     return nodemailer.createTransport({

backend/routes/authRoutes.js

@@ -76,6 +76,8 @@ router.post('/register', authController.register);
  *         description: Login berhasil
  *       401:
  *         description: Password salah
+ *       403:
+ *        description: Akun sedang digunakan di perangkat lain
  *       404:
  *         description: User tidak ditemukan
  *       500:

frontend/lib/admin/admin_histori_page.dart

@@ -34,17 +34,24 @@ class _AdminHistoriPageState extends State<AdminHistoriPage> {
       });
 
       // Dapatkan semua histori terlebih dahulu
-      final allHistori = await apiService.getAllHistori();
+      final allHistori = await apiService.getAllHistori();      // Kumpulkan semua userIds yang unik
+      Set<String> uniqueUserIds = allHistori
+          .where((histori) => histori['userId'] != null)
+          .map((histori) => histori['userId'].toString())
+          .toSet();
 
-      // Kumpulkan semua hasil fetchHistoriDenganDetail untuk setiap user
+      // Jalankan semua fetchHistoriDenganDetail secara paralel
+      List<Future<List<Map<String, dynamic>>>> futures = uniqueUserIds
+          .map((userId) => apiService.fetchHistoriDenganDetail(userId))
+          .toList();
+
+      // Tunggu semua futures selesai
+      List<List<Map<String, dynamic>>> results = await Future.wait(futures);
+      
+      // Gabungkan semua hasil
       List<Map<String, dynamic>> detailedHistori = [];
-      for (var histori in allHistori) {
+      for (var result in results) {
-        if (histori['userId'] != null) {
+        detailedHistori.addAll(result);
-          final userHistori = await apiService.fetchHistoriDenganDetail(
-            histori['userId'].toString(),
-          );
-          detailedHistori.addAll(userHistori);
-        }
       }
 
       // Kelompokkan data berdasarkan user, diagnosa, dan waktu yang sama
@@ -263,15 +270,20 @@ class _AdminHistoriPageState extends State<AdminHistoriPage> {
                         ),
                       ),
                     ),
-                  ),
+                  ),                  // Pagination controls
-                  // Pagination controls
                   Container(
-                    padding: EdgeInsets.all(16),
+                    padding: EdgeInsets.symmetric(vertical: 8, horizontal: 4),
                     child: Row(
                       mainAxisAlignment: MainAxisAlignment.center,
+                      mainAxisSize: MainAxisSize.min,
                       children: [
                         IconButton(
-                          icon: Icon(Icons.first_page),
+                          icon: Icon(Icons.first_page, size: 18),
+                          padding: EdgeInsets.all(4),
+                          constraints: BoxConstraints(
+                            minWidth: 32,
+                            minHeight: 32,
+                          ),
                           onPressed:
                               _currentPage > 0
                                   ? () {
@@ -282,7 +294,12 @@ class _AdminHistoriPageState extends State<AdminHistoriPage> {
                                   : null,
                         ),
                         IconButton(
-                          icon: Icon(Icons.chevron_left),
+                          icon: Icon(Icons.chevron_left, size: 18),
+                          padding: EdgeInsets.all(4),
+                          constraints: BoxConstraints(
+                            minWidth: 32,
+                            minHeight: 32,
+                          ),
                           onPressed:
                               _currentPage > 0
                                   ? () {
@@ -292,14 +309,22 @@ class _AdminHistoriPageState extends State<AdminHistoriPage> {
                                   }
                                   : null,
                         ),
-                        SizedBox(width: 20),
+                        SizedBox(width: 8),
                         Text(
-                          'Halaman ${_currentPage + 1} dari $_totalPages',
+                          '${_currentPage + 1} / $_totalPages',
-                          style: TextStyle(fontWeight: FontWeight.bold),
+                          style: TextStyle(
+                            fontSize: 12,
+                            fontWeight: FontWeight.bold,
+                          ),
                         ),
-                        SizedBox(width: 20),
+                        SizedBox(width: 8),
                         IconButton(
-                          icon: Icon(Icons.chevron_right),
+                          icon: Icon(Icons.chevron_right, size: 18),
+                          padding: EdgeInsets.all(4),
+                          constraints: BoxConstraints(
+                            minWidth: 32,
+                            minHeight: 32,
+                          ),
                           onPressed:
                               _currentPage < _totalPages - 1
                                   ? () {
@@ -310,7 +335,12 @@ class _AdminHistoriPageState extends State<AdminHistoriPage> {
                                   : null,
                         ),
                         IconButton(
-                          icon: Icon(Icons.last_page),
+                          icon: Icon(Icons.last_page, size: 18),
+                          padding: EdgeInsets.all(4),
+                          constraints: BoxConstraints(
+                            minWidth: 32,
+                            minHeight: 32,
+                          ),
                           onPressed:
                               _currentPage < _totalPages - 1
                                   ? () {
@@ -322,16 +352,21 @@ class _AdminHistoriPageState extends State<AdminHistoriPage> {
                         ),
                       ],
                     ),
-                  ),
+                  ),                  // Rows per page selector
-                  // Rows per page selector
                   Container(
-                    padding: EdgeInsets.only(bottom: 16),
+                    padding: EdgeInsets.only(bottom: 8),
                     child: Row(
                       mainAxisAlignment: MainAxisAlignment.center,
+                      mainAxisSize: MainAxisSize.min,
                       children: [
-                        Text('Rows per page: '),
+                        Text(
+                          'Rows per page: ',
+                          style: TextStyle(fontSize: 12),
+                        ),
                         DropdownButton<int>(
                           value: _rowsPerPage,
+                          isDense: true,
+                          menuMaxHeight: 200,
                           items:
                               [10, 20, 50, 100].map((value) {
                                 return DropdownMenuItem<int>(

frontend/lib/admin/hama_page.dart

@@ -80,7 +80,7 @@ class _HamaPageState extends State<HamaPage> {
             : hamaList.length;
     List currentPageData = hamaList.sublist(start, end);
     return Scaffold(
-      appBar: AppBar(title: Text('Halaman Hama')),
+      appBar: AppBar(title: Text('Halaman Hama'), backgroundColor: Color(0xFF9DC08D)),
       body: Column(
         children: [
           SizedBox(height: 20),

frontend/lib/admin/penyakit_page.dart

@@ -81,7 +81,7 @@ class _PenyakitPageState extends State<PenyakitPage> {
             : penyakitList.length;
     List currentPageData = penyakitList.sublist(start, end);
     return Scaffold(
-      appBar: AppBar(title: Text('Halaman Penyakit')),
+      appBar: AppBar(title: Text('Halaman Penyakit'), backgroundColor: Color(0xFF9DC08D)),
       body: Column(
         children: [
           SizedBox(height: 20),

frontend/lib/admin/rule_page.dart

@@ -150,7 +150,7 @@ class _RulePageState extends State<RulePage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: const Text('Data Rules')),
+      appBar: AppBar(title: const Text('Data Rules'), backgroundColor: Color(0xFF9DC08D)),
       body: Padding(
         padding: const EdgeInsets.all(16.0),
         child: Column(

frontend/lib/admin/user_list_page.dart

@@ -416,7 +416,7 @@ class _UserListPageState extends State<UserListPage> {
                       DataColumn(label: Text('Nama')),
                       DataColumn(label: Text('Email')),
                       DataColumn(label: Text('Alamat')),
-                      DataColumn(label: Text('No. Telepon')),
+                      // DataColumn(label: Text('No. Telepon')),
                       DataColumn(label: Text('Role')),
                       DataColumn(label: Text('Aksi')),
                     ],
@@ -427,7 +427,7 @@ class _UserListPageState extends State<UserListPage> {
                               DataCell(Text(user['name'] ?? '-')),
                               DataCell(Text(user['email'] ?? '-')),
                               DataCell(Text(user['alamat'] ?? '-')),
-                              DataCell(Text(user['nomorTelepon'] ?? '-')),
+                              // DataCell(Text(user['nomorTelepon'] ?? '-')),
                               DataCell(
                                 Container(
                                   padding: EdgeInsets.symmetric(

frontend/lib/user/hasil_diagnosa_page.dart

@@ -61,7 +61,7 @@ class _HasilDiagnosaPageState extends State<HasilDiagnosaPage> {
     return Scaffold(
       appBar: AppBar(
         title: Text('Hasil Diagnosa'),
-        backgroundColor: Color(0xFFEDF1D6),
+        backgroundColor: Color(0xFF9DC08D),
         foregroundColor: Color(0xFF40513B),
       ),
       bottomNavigationBar: Padding(

frontend/lib/user/profile_pakar_page.dart

@@ -97,7 +97,7 @@ class ProfilPakarPage extends StatelessWidget {
                                       radius: 60,
                                       backgroundColor: Colors.grey[200],
                                       backgroundImage: AssetImage(
-                                        'assets/images/expert_photo.jpg',
+                                        'assets/images/pak_gallyndra.jpg',
                                       ),
                                     ),
                                   ),

frontend/pubspec.yaml

@@ -79,6 +79,7 @@ flutter:
     - assets/images/Virus.png
     - assets/images/Caterpillar.png
     - assets/images/karat putih.jpeg
+    - assets/images/pak_gallyndra.jpg
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/to/resolution-aware-images