hasil diagnosa riwayat

backend/.env

@@ -4,9 +4,9 @@ DB_USER=root
 DB_NAME=sibayam
 API_URL=http://localhost:5000
 JWT_SECRET=2c5t0ny38989t03cr4ny904r8xy12jc
-EMAIL_HOST=sandbox.smtp.mailtrap.io
-EMAIL_PORT=""
-EMAIL_USER=""
-EMAIL_PASS=""
-SENDGRID_API_KEY=""
-EMAIL_FROM=""
+EMAIL_HOST=
+EMAIL_PORT=
+EMAIL_USER=
+EMAIL_PASS=
+SENDGRID_API_KEY=
+EMAIL_FROM=

backend/app.js

@@ -11,6 +11,7 @@ const penyakitRoutes = require('./routes/penyakitRoutes');
 const ruleRoutes = require('./routes/ruleRoutes');
 const ruleHamaRoutes = require('./routes/ruleHamaRoutes');
 const diagnosaRoute = require('./routes/diagnosaRoutes');
+const historiRoutes = require('./routes/historiRoutes');
 const swaggerDocs = require('./swagger'); 
 
 dotenv.config();
@@ -35,6 +36,7 @@ app.use("/api/penyakit", penyakitRoutes);
 app.use("/api/rules_penyakit", ruleRoutes);
 app.use("/api/rules_hama", ruleHamaRoutes);
 app.use("/api/diagnosa", diagnosaRoute);
+app.use("/api/histori", historiRoutes);
 
 
 // Swagger Documentation

backend/controller/authController.js

@@ -65,6 +65,8 @@ exports.login = async (req, res) => {
             { expiresIn: process.env.JWT_EXPIRES_IN || '1d' }
         );
 
+        console.log("User ID dari backend:", user.id);
+
         // 🔹 Kirim response dengan token dan role
         res.status(200).json({
             message: "Login berhasil",

backend/controller/historiController.js

@@ -0,0 +1,57 @@
+const { Histori, Gejala, Penyakit, Hama } = require('../models');
+
+//  Ambil semua histori
+exports.getAllHistori = async (req, res) => {
+    try {
+      const histori = await Histori.findAll();
+  
+      res.status(200).json({ message: 'Data Histori', data: histori });
+    } catch (error) {
+      console.error('Error getHistori:', error);
+      res.status(500).json({ message: 'Terjadi kesalahan server', error: error.message });
+    }
+  };
+
+// Ambil histori berdasarkan ID user
+exports.getHistoriByUserId = async (req, res) => {
+    const { userId } = req.params; // Ambil ID user dari parameter URL          
+    
+    if (!userId || userId === 'null') {
+        return res.status(400).json({ message: 'User ID tidak valid' });
+      }
+    
+      console.log("Menerima request untuk userId:", userId);
+  try {
+    const histori = await Histori.findAll({
+      where: { userId }, // Filter berdasarkan ID user
+      include: [
+        {
+          model: Gejala,
+          as: 'gejala',
+          attributes: ['id', 'kode', 'nama']
+        },
+        {
+          model: Penyakit,
+          as: 'penyakit',
+          attributes: ['id', 'nama']
+        },
+        {
+          model: Hama,
+          as: 'hama',
+          attributes: ['id', 'nama']
+        }
+      ],
+      order: [['tanggal_diagnosa', 'DESC']] // Urutkan berdasarkan tanggal diagnosa terbaru
+    });
+
+    if (histori.length === 0) {
+      return res.status(404).json({ message: 'Tidak ada histori untuk user ini' });
+    }
+
+    res.status(200).json({ message: 'Data Histori User', data: histori });
+  } catch (error) {
+    console.error('Error getHistoriByUserId:', error);
+    res.status(500).json({ message: 'Terjadi kesalahan server', error: error.message });
+  }
+};
+

backend/routes/historiRoutes.js

@@ -0,0 +1,97 @@
+const express = require('express');
+const router = express.Router();
+const { getAllHistori, getHistoriByUserId } = require('../controller/historiController');
+
+/**
+ * @swagger
+ * /api/histori:
+ *   get:
+ *     summary: Ambil semua data histori
+ *     tags:
+ *       - Histori
+ *     responses:
+ *       200:
+ *         description: Berhasil mengambil data histori
+ *         content:
+ *           application/json:
+ *             schema:
+ *               type: object
+ *               properties:
+ *                 message:
+ *                   type: string
+ *                   example: Data Histori
+ *                 data:
+ *                   type: array
+ *                   items:
+ *                     type: object
+ *                     properties:
+ *                       id:
+ *                         type: integer
+ *                         example: 1
+ *                       userId:
+ *                         type: integer
+ *                         example: 2
+ *                       hasil:
+ *                         type: float
+ *                         example: 0.85
+ *                       tanggal_diagnosa:
+ *                         type: string
+ *                         format: date-time
+ *                         example: 2025-05-12T10:00:00Z
+ *       500:
+ *         description: Terjadi kesalahan server
+ */
+router.get('/', getAllHistori);
+
+/**
+ * @swagger
+ * /api/histori/user/{userId}:
+ *   get:
+ *     summary: Ambil data histori berdasarkan ID user
+ *     tags:
+ *       - Histori
+ *     parameters:
+ *       - in: path
+ *         name: userId
+ *         required: true
+ *         description: ID user untuk mengambil histori
+ *         schema:
+ *           type: integer
+ *           example: 1
+ *     responses:
+ *       200:
+ *         description: Berhasil mengambil data histori user
+ *         content:
+ *           application/json:
+ *             schema:
+ *               type: object
+ *               properties:
+ *                 message:
+ *                   type: string
+ *                   example: Data Histori User
+ *                 data:
+ *                   type: array
+ *                   items:
+ *                     type: object
+ *                     properties:
+ *                       id:
+ *                         type: integer
+ *                         example: 1
+ *                       userId:
+ *                         type: integer
+ *                         example: 1
+ *                       hasil:
+ *                         type: float
+ *                         example: 0.85
+ *                       tanggal_diagnosa:
+ *                         type: string
+ *                         format: date-time
+ *                         example: 2025-05-12T10:00:00Z
+ *       404:
+ *         description: Tidak ada histori untuk user ini
+ *       500:
+ *         description: Terjadi kesalahan server
+ */
+router.get('/user/:userId', getHistoriByUserId);
+
+module.exports = router;

frontend/lib/api_services/api_services.dart

@@ -15,23 +15,31 @@ class ApiService {
   static const String rulesHamaUrl = 'http://localhost:5000/api/rules_hama';
   static const String userUrl = 'http://localhost:5000/api/users';
   static const String diagnosaUrl = 'http://localhost:5000/api/diagnosa';
+  static const String historiUrl = 'http://localhost:5000/api/histori';
   static const Duration timeout = Duration(seconds: 15);
 
 /// Fungsi untuk mengirim gejala dan menerima hasil diagnosa
-// Kirim gejala dan dapatkan hasil diagnosa
-  Future<Map<String, dynamic>> diagnosa(List<String> gejalIds) async {
-    // Konversi string ID menjadi integer jika backend Anda membutuhkan integer
-    List<int> gejalaNumerik = [];
+Future<Map<String, dynamic>> diagnosa(List<String> gejalaIds) async {
+    final SharedPreferences prefs = await SharedPreferences.getInstance();
+    final token = prefs.getString('token');
+
+    List<dynamic> parsedGejala;
     try {
-      gejalaNumerik = gejalIds.map((id) => int.parse(id)).toList();
+      // Coba konversi ke integer jika bisa
+      parsedGejala = gejalaIds.map((id) => int.parse(id)).toList();
     } catch (e) {
-      print("Error saat konversi ID gejala ke integer: $e");
-      // Jika konversi gagal, gunakan ID string saja
+      print("Konversi ke integer gagal, gunakan string ID.");
+      parsedGejala = gejalaIds;
+    }
+
     final response = await http.post(
-        Uri.parse('$diagnosaUrl'),
-        headers: {'Content-Type': 'application/json'},
-        body: json.encode({'gejala': gejalIds}),
-      );
+      Uri.parse(diagnosaUrl),
+      headers: {
+        'Content-Type': 'application/json',
+        if (token != null) 'Authorization': 'Bearer $token',
+      },
+      body: json.encode({'gejala': parsedGejala}),
+    ).timeout(timeout);
 
     if (response.statusCode == 200) {
       return json.decode(response.body);
@@ -40,26 +48,81 @@ class ApiService {
     }
   }
 
-    // Jika konversi berhasil, gunakan ID numerik
-    final response = await http.post(
-      Uri.parse('$diagnosaUrl'),
+Future<List<Map<String, dynamic>>> getHistoriDiagnosa(String userId) async {
+  try {
+    // Ambil token dari SharedPreferences
+    final SharedPreferences prefs = await SharedPreferences.getInstance();
+    final token = prefs.getString('token');
+
+    if (token == null || token.isEmpty) {
+      throw Exception("Token tidak valid");
+    }
+
+    final url = '$historiUrl/user/$userId';
+    print("Fetching histori from URL: $url");
+
+    final response = await http.get(
+      Uri.parse(url),
       headers: {'Content-Type': 'application/json'},
-      body: json.encode({'gejala': gejalaNumerik}),
     );
 
+    print("Response Status Code: ${response.statusCode}");
+    print("Response Body: ${response.body}");
+
     if (response.statusCode == 200) {
-      return json.decode(response.body);
+      final Map<String, dynamic> responseData = json.decode(response.body);
+
+      if (responseData.containsKey('data') && responseData['data'] is List) {
+        return List<Map<String, dynamic>>.from(responseData['data']);
       } else {
-      throw Exception('Gagal melakukan diagnosa: ${response.statusCode} - ${response.body}');
+        throw Exception('Format respons tidak valid.');
       }
+    } else {
+      throw Exception('Gagal memuat histori: ${response.statusCode}');
     }
+  } catch (e) {
+    print("Error fetching data: $e");
+    throw Exception('Terjadi kesalahan saat mengambil histori: $e');
+  }
+}
+
+Future<List<Map<String, dynamic>>> fetchHistoriDenganDetail(String userId) async {
+  try {
+    // Panggil API untuk mendapatkan data histori
+    final historiResponse = await getHistoriDiagnosa(userId);
+
+    // Proses data histori
+    List<Map<String, dynamic>> result = historiResponse.map((histori) {
+      // Tangani properti null dengan default value
+      final gejala = histori['gejala'] ?? {};
+      final penyakit = histori['penyakit'] ?? {};
+      final hama = histori['hama'] ?? {};
+
+      return {
+        "id": histori['id'],
+        "userId": histori['userId'],
+        "tanggal_diagnosa": histori['tanggal_diagnosa'],
+        "hasil": histori['hasil'],
+        "gejala_nama": gejala['nama'] ?? "Tidak diketahui",
+        "penyakit_nama": penyakit['nama'] ,
+        "hama_nama": hama['nama'] ,
+      };
+    }).toList();
+
+    print("Processed Histori Data: $result");
+    return result;
+  } catch (e) {
+    print("Error fetching histori dengan detail: $e");
+    return [];
+  }
+}
 
 
   // Fungsi Login (dengan perbaikan)
   static Future<Map<String, dynamic>> loginUser(
   String email,
   String password,
-  ) async {
+) async {
   try {
     final response = await http.post(
       Uri.parse("$baseUrl/login"),
@@ -71,7 +134,14 @@ class ApiService {
     print("Response Body: ${response.body}");
 
     if (response.statusCode == 200) {
-        return jsonDecode(response.body);
+      final responseData = jsonDecode(response.body);
+
+      // Simpan userId ke SharedPreferences
+      final SharedPreferences prefs = await SharedPreferences.getInstance();
+      print("User ID dari respons login: ${responseData['userId']}"); // Tambahkan log
+      await prefs.setString('userId', responseData['userId'].toString());
+
+      return responseData;
     } else {
       throw Exception("Login gagal: ${response.body}");
     }
@@ -79,7 +149,7 @@ class ApiService {
     print("Error: $e");
     throw Exception("Terjadi kesalahan saat login");
   }
-  }
+}
 
   // Fungsi Logout
   static Future<void> logoutUser() async {
@@ -283,7 +353,6 @@ class ApiService {
   }
 }
 
-
   // Tambah hama baru (kode otomatis)
   Future<Map<String, dynamic>> createHama(
     String nama,

frontend/lib/user/detail_riwayat_page.dart

@@ -0,0 +1,193 @@
+import 'package:flutter/material.dart';
+import 'package:frontend/api_services/api_services.dart';
+import 'dart:typed_data';
+
+class DetailRiwayatPage extends StatelessWidget {
+  final Map<String, dynamic> detailRiwayat;
+  final ApiService apiService = ApiService();
+
+  DetailRiwayatPage({required this.detailRiwayat}) {
+    print("Detail Riwayat Data: $detailRiwayat");
+  }
+
+  Future<Map<String, dynamic>> fetchDetailData() async {
+    final diagnosisType = detailRiwayat['diagnosis_type'];
+    final diagnosisName = detailRiwayat['diagnosis'];
+
+    print("Diagnosis Type: $diagnosisType, Name: $diagnosisName");
+
+    try {
+      if (diagnosisType == 'penyakit') {
+        // Dapatkan daftar semua penyakit
+        final penyakitList = await apiService.getPenyakit();
+        // Cari penyakit berdasarkan nama
+        final penyakit = penyakitList.firstWhere(
+          (p) =>
+              p['nama'].toString().toLowerCase() ==
+              diagnosisName.toString().toLowerCase(),
+          orElse: () => throw Exception('Penyakit tidak ditemukan'),
+        );
+
+        final id = penyakit['id'];
+        print("Found Penyakit ID: $id");
+
+        // Ambil gambar jika ID ditemukan
+        final imageBytes =
+            id != null ? await apiService.getPenyakitImageBytes(id) : null;
+
+        return {...penyakit, 'imageBytes': imageBytes};
+      } else if (diagnosisType == 'hama') {
+        // Dapatkan daftar semua hama
+        final hamaList = await apiService.getHama();
+        // Cari hama berdasarkan nama
+        final hama = hamaList.firstWhere(
+          (h) =>
+              h['nama'].toString().toLowerCase() ==
+              diagnosisName.toString().toLowerCase(),
+          orElse: () => throw Exception('Hama tidak ditemukan'),
+        );
+
+        final id = hama['id'];
+        print("Found Hama ID: $id");
+
+        // Ambil gambar jika ID ditemukan
+        final imageBytes =
+            id != null ? await apiService.getHamaImageBytes(id) : null;
+
+        return {...hama, 'imageBytes': imageBytes};
+      } else {
+        throw Exception('Tipe diagnosis tidak valid');
+      }
+    } catch (e) {
+      print("Error in fetchDetailData: $e");
+      throw Exception("Gagal mengambil detail: $e");
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final gejalaList = (detailRiwayat['gejala'] as List).join(', ');
+
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Color(0xFF9DC08D),
+        title: Text(
+          'Detail Riwayat Diagnosa',
+          style: TextStyle(color: Colors.white),
+        ),
+      ),
+      body: FutureBuilder<Map<String, dynamic>>(
+        future: fetchDetailData(),
+        builder: (context, snapshot) {
+          if (snapshot.connectionState == ConnectionState.waiting) {
+            return Center(child: CircularProgressIndicator());
+          } else if (snapshot.hasError) {
+            return Center(child: Text("Error: ${snapshot.error}"));
+          } else if (!snapshot.hasData || snapshot.data == null) {
+            return Center(child: Text("Data tidak ditemukan"));
+          }
+
+          final detailData = snapshot.data!;
+          final imageBytes = detailData['imageBytes'] as Uint8List?;
+          final deskripsi =
+              detailData['deskripsi'] ?? 'Deskripsi tidak tersedia';
+          final penanganan =
+              detailData['penanganan'] ?? 'Penanganan tidak tersedia';
+
+          return SingleChildScrollView(
+            padding: EdgeInsets.all(16.0),
+            child: Card(
+              shape: RoundedRectangleBorder(
+                borderRadius: BorderRadius.circular(12),
+              ),
+              elevation: 3,
+              child: Padding(
+                padding: const EdgeInsets.all(16.0),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      'Diagnosis: ${detailRiwayat['diagnosis']}',
+                      style: TextStyle(
+                        fontSize: 20,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    SizedBox(height: 12),
+                    if (imageBytes != null)
+                      // Ganti bagian Container untuk gambar dengan kode berikut
+                      if (imageBytes != null)
+                        Container(
+                          width: double.infinity,
+                          constraints: BoxConstraints(
+                            maxHeight: 250, // Tinggi maksimal yang konsisten
+                          ),
+                          decoration: BoxDecoration(
+                            borderRadius: BorderRadius.circular(8),
+                            color:
+                                Colors
+                                    .grey[200], // Warna background untuk area gambar
+                          ),
+                          child: ClipRRect(
+                            borderRadius: BorderRadius.circular(8),
+                            child: Center(
+                              // Menambahkan Center widget
+                              child: AspectRatio(
+                                aspectRatio:
+                                    16 / 9, // Rasio aspek yang konsisten
+                                child: Container(
+                                  decoration: BoxDecoration(
+                                    image: DecorationImage(
+                                      image: MemoryImage(imageBytes),
+                                      fit:
+                                          BoxFit
+                                              .contain, // Menggunakan contain untuk menjaga aspek rasio
+                                    ),
+                                  ),
+                                ),
+                              ),
+                            ),
+                          ),
+                        ),
+                    SizedBox(height: 12),
+                    Text('Gejala: $gejalaList', style: TextStyle(fontSize: 16)),
+                    SizedBox(height: 8),
+                    Text(
+                      'Hasil: ${(detailRiwayat['hasil'] as num?)?.toStringAsFixed(2) ?? "-"}',
+                      style: TextStyle(fontSize: 16),
+                    ),
+                    SizedBox(height: 8),
+                    Text(
+                      'Tanggal: ${detailRiwayat['tanggal_diagnosa'] ?? "-"}',
+                      style: TextStyle(fontSize: 16),
+                    ),
+                    SizedBox(height: 16),
+                    Text(
+                      'Deskripsi:',
+                      style: TextStyle(
+                        fontSize: 18,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    SizedBox(height: 8),
+                    Text(deskripsi, style: TextStyle(fontSize: 16)),
+                    SizedBox(height: 16),
+                    Text(
+                      'Penanganan:',
+                      style: TextStyle(
+                        fontSize: 18,
+                        fontWeight: FontWeight.bold,
+                      ),
+                    ),
+                    SizedBox(height: 8),
+                    Text(penanganan, style: TextStyle(fontSize: 16)),
+                  ],
+                ),
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+}

frontend/lib/user/home_page.dart

@@ -4,9 +4,35 @@ import 'diagnosa_page.dart';
 import 'riwayat_diagnosa_page.dart';
 import 'profile_page.dart';
 import 'basis_pengetahuan_page.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 
-class HomePage extends StatelessWidget {
+class HomePage extends StatefulWidget {
+  @override
+  _HomePageState createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  String userId = '';  // Variabel untuk menyimpan userId
+
+  @override
+  void initState() {
+    super.initState();  
+  }
+
+  Future<void> navigateToRiwayatDiagnosaPage(BuildContext context) async {
+  final SharedPreferences prefs = await SharedPreferences.getInstance();
+  final userId = prefs.getString('userId') ?? '';
+
+  print("Navigating to RiwayatDiagnosaPage with userId: $userId");
+
+  if (userId.isEmpty) {
+    print("Error: User ID tidak ditemukan di SharedPreferences");
+    // Tampilkan pesan error atau arahkan ke halaman login
+    return;
+  }
+  }
+
   
   @override
   Widget build(BuildContext context) {
@@ -89,11 +115,15 @@ class HomePage extends StatelessWidget {
                         height: 48,
                       ),
                       onTap: () {
+                        navigateToRiwayatDiagnosaPage(context); 
                         Navigator.push(
                           context,
                           MaterialPageRoute(
-                            builder: (context) => RiwayatDiagnosaPage(),
-                          ), // Perbaikan di sini
+                            builder:
+                                (context) => RiwayatDiagnosaPage(
+                                  userId: userId,
+                                ), // Kirimkan userId sebagai String
+                          ),
                         );
                       },
                     ),

frontend/lib/user/login_page.dart

@@ -51,10 +51,12 @@ class _LoginPageState extends State<LoginPage> {
 
       if (response.statusCode == 200) {
         // Simpan token & role ke SharedPreferences
-        SharedPreferences prefs = await SharedPreferences.getInstance();
+        final SharedPreferences prefs = await SharedPreferences.getInstance();
+        print("User ID dari respons login: ${responseData['userId']}");
         await prefs.setString('token', responseData['token']);
         await prefs.setString('role', responseData['role']);
         await prefs.setString('email', email);
+        await prefs.setString('userId', responseData['userId'].toString()); 
 
         // Redirect berdasarkan role
         if (responseData['role'] == 'admin') {

frontend/lib/user/riwayat_diagnosa_page.dart

@@ -1,37 +1,292 @@
 import 'package:flutter/material.dart';
+import 'package:frontend/api_services/api_services.dart';
+import 'detail_riwayat_page.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import 'login_page.dart';
 
-class RiwayatDiagnosaPage extends StatelessWidget {
-  final List<Map<String, String>> diagnosaList = [
-    {
-      "nama": "Karat Putih",
-      "deskripsi": "Penyakit yang umum pada bayam.",
-      "penyakit": "Karat Putih",
-      "hama": "Tidak ada hama spesifik",
-      "penanganan": "Gunakan fungisida sesuai anjuran dan potong daun yang terinfeksi.",
-      "gambar": "assets/images/karat putih.jpeg",
+class RiwayatDiagnosaPage extends StatefulWidget {
+  final String? userId;
+
+  RiwayatDiagnosaPage({this.userId});
+
+  @override
+  _RiwayatDiagnosaPageState createState() => _RiwayatDiagnosaPageState();
+}
+
+class _RiwayatDiagnosaPageState extends State<RiwayatDiagnosaPage> {
+  List<Map<String, dynamic>> _riwayatData = [];
+  final ApiService apiService = ApiService();
+  bool _isLoading = true;
+  String? _errorMessage;
+  String? _userId;
+  String? _token;
+  String? _email;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadUserDataAndFetchHistori();
+  }
+
+  Future<void> _loadUserDataAndFetchHistori() async {
+    try {
+      setState(() {
+        _isLoading = true;
+        _errorMessage = null;
+      });
+
+      // Ambil data user yang sedang login dari SharedPreferences
+      SharedPreferences prefs = await SharedPreferences.getInstance();
+      _token = prefs.getString('token');
+      _email = prefs.getString('email');
+
+      // Check if already has userId from widget constructor
+      _userId = widget.userId;
+
+      print("Token from SharedPreferences: $_token");
+      print("Email from SharedPreferences: $_email");
+      print("Initial userId: $_userId");
+
+      // If no token or email, we can't proceed
+      if (_token == null || _email == null) {
+        throw Exception('Sesi login tidak ditemukan, silahkan login kembali');
+      }
+
+      // If we don't have userId yet, we need to fetch user data first
+      if (_userId == null || _userId!.isEmpty) {
+        await _fetchUserData();
+      }
+
+      // Double-check if userId is still null after fetching
+      if (_userId == null || _userId!.isEmpty) {
+        throw Exception('Gagal mendapatkan ID pengguna');
+      }
+
+      // Now that we have userId, fetch the history data
+      await _fetchHistoriData();
+    } catch (e) {
+      print("Error in _loadUserDataAndFetchHistori: $e");
+
+      // Check if the error is about authentication
+      if (e.toString().contains('login') || e.toString().contains('sesi')) {
+        // Clear any existing user data and redirect to login
+        await ApiService.logoutUser();
+
+        // Navigate to login page in the next frame
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          Navigator.pushReplacement(
+            context,
+            MaterialPageRoute(builder: (context) => LoginPage()),
+          );
+        });
+      }
+
+      setState(() {
+        _isLoading = false;
+        _errorMessage = e.toString();
+      });
+    }
+  }
+
+  // Fetch user data to get user ID
+  Future<void> _fetchUserData() async {
+    try {
+      // Buat URL untuk endpoint user API
+      var url = Uri.parse("http://localhost:5000/api/users");
+
+      // Kirim permintaan GET dengan token autentikasi
+      var response = await http.get(
+        url,
+        headers: {
+          "Content-Type": "application/json",
+          "Authorization": "Bearer $_token",
         },
-    {
-      "nama": "Virus Keriting",
-      "deskripsi": "Disebabkan oleh infeksi virus.",
-      "penyakit": "Virus Keriting",
-      "hama": "Tidak ada hama spesifik",
-      "penanganan": "Musnahkan tanaman terinfeksi dan kontrol vektor seperti kutu daun."
-    },
-    {
-      "nama": "Kekurangan Mangan",
-      "deskripsi": "Kekurangan unsur hara mikro.",
-      "penyakit": "Kekurangan Mangan",
-      "hama": "Tidak ada hama spesifik",
-      "penanganan": "Tambahkan pupuk yang mengandung mangan (Mn)."
-    },
-    {
-      "nama": "Downy Mildew",
-      "deskripsi": "Penyakit jamur pada bayam.",
-      "penyakit": "Downy Mildew",
-      "hama": "Tidak ada hama spesifik",
-      "penanganan": "Gunakan fungisida berbahan aktif metalaxyl dan perbaiki drainase tanah."
-    },
-  ];
+      );
+
+      if (response.statusCode == 200) {
+        // Parse data respons
+        List<dynamic> users = jsonDecode(response.body);
+        print("Email login: $_email");
+        print("Users data from server: ${users.length} users");
+
+        // Cari user dengan email yang sama dengan yang login
+        Map<String, dynamic>? currentUser;
+        for (var user in users) {
+          if (user['email'].toString().toLowerCase() == _email!.toLowerCase()) {
+            currentUser = Map<String, dynamic>.from(user);
+            print(
+              "User found: ${currentUser['name']} with ID: ${currentUser['id']}",
+            );
+            break;
+          }
+        }
+
+        if (currentUser == null) {
+          throw Exception('Data pengguna tidak ditemukan');
+        }
+
+        // Save userId to SharedPreferences for future use
+        final prefs = await SharedPreferences.getInstance();
+        prefs.setString('userId', currentUser['id'].toString());
+
+        // Update state with user ID
+        setState(() {
+          _userId = currentUser!['id'].toString();
+        });
+
+        print("User ID set to: $_userId");
+      } else if (response.statusCode == 401) {
+        // Token tidak valid atau expired
+        await ApiService.logoutUser();
+        throw Exception('Sesi habis, silahkan login kembali');
+      } else {
+        throw Exception('Gagal mengambil data: ${response.statusCode}');
+      }
+    } catch (e) {
+      print("Error fetching user data: $e");
+      throw e; // Re-throw for the caller to handle
+    }
+  }
+
+  List<Map<String, dynamic>> _groupHistoriByDiagnosis(
+  List<Map<String, dynamic>> data,
+) {
+  final Map<String, Map<String, dynamic>> groupedData = {};
+  print("Data mentah dari API: $data");
+
+  for (var item in data) {
+    final String? penyakitNama = item['penyakit_nama'];
+    final String? hamaNama = item['hama_nama'];
+
+    final int? idPenyakit = item['id_penyakit'];
+    final int? idHama = item['id_hama'];
+
+    final hasPenyakit = penyakitNama != null && penyakitNama.toString().isNotEmpty;
+    final hasHama = hamaNama != null && hamaNama.toString().isNotEmpty;
+
+    if (!hasPenyakit && !hasHama) {
+      print("Item dilewati karena tidak memiliki penyakit atau hama: $item");
+      continue;
+    }
+
+    // Gabungkan nama penyakit dan hama jika keduanya ada
+    String diagnosisKey = '';
+    if (hasPenyakit && hasHama) {
+      diagnosisKey = '$penyakitNama & $hamaNama';
+    } else if (hasPenyakit) {
+      diagnosisKey = penyakitNama!;
+    } else {
+      diagnosisKey = hamaNama!;
+    }
+
+    // Tentukan diagnosis_type hanya sebagai referensi
+    String diagnosisType =
+        hasPenyakit && hasHama
+            ? 'penyakit & hama'
+            : hasPenyakit
+                ? 'penyakit'
+                : 'hama';
+
+    // Inisialisasi grup jika belum ada
+    if (!groupedData.containsKey(diagnosisKey)) {
+      groupedData[diagnosisKey] = {
+        'diagnosis': diagnosisKey,
+        'diagnosis_type': diagnosisType,
+        'gejala': <String>[],
+        'hasil': item['hasil'],
+        'tanggal_diagnosa': item['tanggal_diagnosa'],
+        'id_penyakit': idPenyakit,
+        'id_hama': idHama,
+      };
+    }
+
+    // Tambahkan gejala jika belum ada
+    if (item['gejala_nama'] != null) {
+      final gejalaNama = item['gejala_nama'];
+      if (!groupedData[diagnosisKey]!['gejala'].contains(gejalaNama)) {
+        groupedData[diagnosisKey]!['gejala'].add(gejalaNama);
+      }
+    }
+  }
+
+  final result = groupedData.values.toList();
+  print("Hasil pengelompokan: $result");
+  return result;
+}
+
+
+  Future<void> _fetchHistoriData() async {
+    try {
+      print("Fetching histori dengan userId: $_userId");
+
+      // Panggil API untuk mendapatkan data histori
+      final historiResponse = await apiService.fetchHistoriDenganDetail(
+        _userId!,
+      );
+
+      // Kelompokkan data berdasarkan diagnosis
+      final groupedData = _groupHistoriByDiagnosis(historiResponse);
+
+      setState(() {
+        _riwayatData =
+            groupedData; // Use groupedData instead of historiResponse
+        _isLoading = false;
+      });
+
+      print("Successfully fetched ${_riwayatData.length} history records");
+    } catch (e) {
+      print("Error fetching histori data: $e");
+      setState(() {
+        _isLoading = false;
+        _errorMessage = "Gagal memuat data riwayat: ${e.toString()}";
+      });
+    }
+  }
+
+  Widget _buildErrorWidget() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(Icons.error_outline, size: 60, color: Colors.white70),
+          SizedBox(height: 16),
+          Text(
+            _errorMessage ?? 'Terjadi kesalahan',
+            style: TextStyle(color: Colors.white, fontSize: 16),
+            textAlign: TextAlign.center,
+          ),
+          SizedBox(height: 24),
+          ElevatedButton(
+            onPressed: _loadUserDataAndFetchHistori,
+            style: ElevatedButton.styleFrom(
+              backgroundColor: Colors.white,
+              foregroundColor: Color(0xFF9DC08D),
+            ),
+            child: Text('Coba Lagi'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildEmptyHistoryWidget() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Icon(Icons.history, size: 60, color: Colors.white70),
+          SizedBox(height: 16),
+          Text(
+            'Belum ada riwayat diagnosa.',
+            style: TextStyle(color: Colors.white, fontSize: 16),
+            textAlign: TextAlign.center,
+          ),
+        ],
+      ),
+    );
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -39,154 +294,112 @@ class RiwayatDiagnosaPage extends StatelessWidget {
       backgroundColor: Color(0xFF9DC08D),
       appBar: AppBar(
         backgroundColor: Color(0xFF9DC08D),
-        title: Align(
-          alignment: Alignment.topCenter,
-          child: Padding(
-            padding: const EdgeInsets.only(right: 30), // Geser ke kiri
-            child: Text(
+        title: Text(
           "Riwayat Diagnosa",
-              style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold, color:  Colors.white),
-            ),
+          style: TextStyle(
+            fontSize: 24,
+            fontWeight: FontWeight.bold,
+            color: Colors.white,
           ),
         ),
         leading: IconButton(
           icon: Icon(Icons.arrow_back, color: Colors.white),
-          onPressed: () => Navigator.of(context).pop(),
+          onPressed: () => Navigator.pop(context),
         ),
       ),
       body: Padding(
-        padding: const EdgeInsets.symmetric(horizontal: 16.0),
-        child: Column(
-          children: [
-            SizedBox(height: 16),
-            Expanded(
-              child: ListView.builder(
-                itemCount: diagnosaList.length,
+        padding: const EdgeInsets.all(16.0),
+        child:
+            _isLoading
+                ? Center(child: CircularProgressIndicator(color: Colors.white))
+                : _errorMessage != null
+                ? _buildErrorWidget()
+                : _riwayatData.isEmpty
+                ? _buildEmptyHistoryWidget()
+                : ListView.builder(
+                  itemCount: _riwayatData.length,
                   itemBuilder: (context, index) {
-                  final diagnosa = diagnosaList[index];
+                    final riwayat = _riwayatData[index];
+
+                    // Safely handle potential null values
+                    List<dynamic> gejalaList = [];
+                    if (riwayat.containsKey('gejala') &&
+                        riwayat['gejala'] != null) {
+                      gejalaList = riwayat['gejala'] as List<dynamic>;
+                    }
+
+                    final gejalaText =
+                        gejalaList.isEmpty
+                            ? "Tidak ada gejala tercatat"
+                            : gejalaList.join(', ');
+
                     return Card(
-                    elevation: 4,
-                    margin: const EdgeInsets.symmetric(vertical: 8),
-                    child: ListTile(
-                      title: Text(
-                        diagnosa["nama"] ?? "Tidak ada data",
-                        style: TextStyle(fontWeight: FontWeight.bold),
+                      margin: EdgeInsets.only(bottom: 12.0),
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(12),
                       ),
-                      subtitle: Text(diagnosa["deskripsi"] ?? "Deskripsi tidak tersedia"),
-                      onTap: () {
+                      elevation: 3,
+                      child: Padding(
+                        padding: const EdgeInsets.all(12.0),
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              'Diagnosis: ${riwayat['diagnosis']}',
+                              style: TextStyle(
+                                fontSize: 18,
+                                fontWeight: FontWeight.bold,
+                              ),
+                            ),
+                            SizedBox(height: 8),
+                            Text(
+                              'Gejala: $gejalaText',
+                              style: TextStyle(fontSize: 14),
+                            ),
+                            SizedBox(height: 4),
+                            Text(
+                              'Hasil: ${(riwayat['hasil'] as num?)?.toStringAsFixed(2) ?? "-"}',
+                              style: TextStyle(fontSize: 14),
+                            ),
+                            SizedBox(height: 8),
+                            Text(
+                              'Tanggal: ${riwayat['tanggal_diagnosa'] ?? "-"}',
+                              style: TextStyle(
+                                fontSize: 12,
+                                color: Colors.grey[600],
+                              ),
+                            ),
+                            SizedBox(height: 12),
+                            Align(
+                              alignment: Alignment.centerRight,
+                              child: ElevatedButton(
+                                onPressed: () {
+                                  print("Navigating to DetailRiwayatPage with data: $riwayat");
                                   Navigator.push(
                                     context,
                                     MaterialPageRoute(
-                            builder: (context) => DetailRiwayatPage(
-                              detailRiwayat: {
-                                "penyakit": diagnosa["penyakit"] ?? "",
-                                "hama": diagnosa["hama"] ?? "",
-                                "penanganan": diagnosa["penanganan"] ?? "",
-                                "gambar": diagnosa["gambar"] ?? "",
-                              },
+                                      builder:
+                                          (context) => DetailRiwayatPage(
+                                            detailRiwayat:
+                                                riwayat, // Kirim data riwayat ke halaman detail
                                           ),
                                     ),
                                   );
                                 },
+                                style: ElevatedButton.styleFrom(
+                                  backgroundColor: Color(0xFF9DC08D),
+                                  foregroundColor: Colors.white,
                                 ),
-                  );
-                },
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}
-
-class DetailRiwayatPage extends StatelessWidget {
-  final Map<String, String> detailRiwayat;
-
-  DetailRiwayatPage({required this.detailRiwayat});
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: Color(0xFF9DC08D),
-      appBar: AppBar(
-        backgroundColor: Color(0xFF9DC08D),
-        title: Align(
-          alignment: Alignment.topCenter,
-          child: Padding(
-            padding: const EdgeInsets.only(right: 30),
-            child: Text(
-              "Hasil Diagnosa",
-              style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold, color: Colors.white),
-            ),
-          ),
-        ),
-        leading: IconButton(
-          icon: Icon(Icons.arrow_back, color: Colors.white),
-          onPressed: () => Navigator.of(context).pop(),
-        ),
-      ),
-      body: SingleChildScrollView(
-        padding: const EdgeInsets.all(16),
-        child: Column(
-          children: [
-            if (detailRiwayat['gambar'] != null) 
-              ClipRRect(
-                borderRadius: BorderRadius.circular(12),
-                child: Image.asset(
-                  detailRiwayat['gambar']!,
-                  height: 200,
-                  width: 200,
-                  fit: BoxFit.cover,
-                ),
-              ),
-            SizedBox(height: 16),
-            Card(
-              elevation: 6,
-              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-              child: Padding(
-                padding: const EdgeInsets.all(16.0),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    Text(
-                      "Nama Penyakit: ${detailRiwayat['penyakit']}",
-                      style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.black),
-                    ),
-                    SizedBox(height: 16),
-                    Text(
-                      "Nama Hama: ${detailRiwayat['hama']}",
-                      style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.black),
-                    ),
-                  ],
-                ),
-              ),
-            ),
-            SizedBox(height: 16),
-            Card(
-              elevation: 6,
-              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-              child: Padding(
-                padding: const EdgeInsets.all(16.0),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.start,
-                  children: [
-                    Text(
-                      "Cara Penanganan:",
-                      style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold, color: Colors.black),
-                    ),
-                    SizedBox(height: 10),
-                    Text(
-                      detailRiwayat['penanganan'] ?? "Data tidak tersedia",
-                      style: TextStyle(fontSize: 16, color: Colors.black),
-                    ),
-                  ],
-                ),
+                                child: Text('Lihat Detail'),
                               ),
                             ),
                           ],
                         ),
                       ),
                     );
+                  },
+                ),
+      ),
+    );
   }
 }