Sistem-Pakar-Diagnosa-Penya.../frontend/lib/api_services/api_services.dart

1277 lines
39 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';
import 'package:http/http.dart' as http;
import 'package:shared_preferences/shared_preferences.dart';
import 'package:image_picker/image_picker.dart';
import 'package:http_parser/http_parser.dart';
class ApiService {
static const String baseUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/auth';
static const String gejalaUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/gejala';
static const String hamaUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/hama';
static const String penyakitUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/penyakit';
static const String rulesPenyakitUrl ='https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/rules_penyakit';
static const String rulesHamaUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/rules_hama';
static const String userUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/users';
static const String diagnosaUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/diagnosa';
static const String historiUrl = 'https://backend-sistem-pakar-diagnosa-penya.vercel.app/api/histori';
static const Duration timeout = Duration(seconds: 15);
/// Fungsi untuk mengirim gejala dan menerima hasil diagnosa
Future<Map<String, dynamic>> diagnosa(List<String> gejalaIds) async {
final SharedPreferences prefs = await SharedPreferences.getInstance();
final token = prefs.getString('token');
List<dynamic> parsedGejala;
try {
// Coba konversi ke integer jika bisa
parsedGejala = gejalaIds.map((id) => int.parse(id)).toList();
} catch (e) {
print("Konversi ke integer gagal, gunakan string ID.");
parsedGejala = gejalaIds;
}
final response = await http.post(
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);
} else {
throw Exception('Gagal melakukan diagnosa: ${response.statusCode} - ${response.body}');
}
}
Future<List<Map<String, dynamic>>> getHistoriDiagnosa(String userId) async {
try {
// Ambil token dari SharedPreferences
final SharedPreferences prefs = await SharedPreferences.getInstance();
final token = prefs.getString('token');
if (token == null || token.isEmpty) {
throw Exception("Token tidak valid");
}
final url = '$historiUrl/user/$userId';
print("Fetching histori from URL: $url");
final response = await http.get(
Uri.parse(url),
headers: {'Content-Type': 'application/json'},
);
print("Response Status Code: ${response.statusCode}");
print("Response Body: ${response.body}");
if (response.statusCode == 200) {
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('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);
// Tambahkan: Panggil API untuk mendapatkan data user
final userData = await getUserById(userId);
final String userName = userData != null ? userData['name'] ?? "User $userId" : "User $userId";
Future<List<Map<String, dynamic>>> fetchHistoriDenganDetail(String userId) async {
try {
// Panggil API untuk mendapatkan data histori
final historiResponse = await getHistoriDiagnosa(userId);
// Perbaiki cara mendapatkan data user
final userData = await getUserById(userId);
// Pastikan data user ada dan nama diambil dengan benar
final String userName = userData != null && userData['name'] != null
? userData['name']
: "User $userId";
print("User Data received: $userData"); // Debug log
// Proses data histori
List<Map<String, dynamic>> result = historiResponse.map((histori) {
final gejala = histori['gejala'] ?? {};
final penyakit = histori['penyakit'] ?? {};
final hama = histori['hama'] ?? {};
return {
"id": histori['id'],
"userId": histori['userId'],
"name": userName, // Menggunakan nama yang sudah diambil
"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 with Username: $result"); // Debug log
return result;
} catch (e) {
print("Error fetching histori dengan detail: $e");
return [];
}
}
// 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'],
"name": userName, // Tambahkan nama user ke hasil
"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 with Username: $result");
return result;
} catch (e) {
print("Error fetching histori dengan detail: $e");
return [];
}
}
// Tambahkan fungsi getToken
Future<String?> getToken() async {
final SharedPreferences prefs = await SharedPreferences.getInstance();
return prefs.getString('token');
}
// Modifikasi fungsi getAllHistori
Future<List<Map<String, dynamic>>> getAllHistori() async {
try {
final token = await getToken();
if (token == null) {
throw Exception('Token tidak ditemukan');
}
final response = await http.get(
Uri.parse('$historiUrl'), // Gunakan historiUrl bukan baseUrl/histori
headers: {
"Content-Type": "application/json",
"Authorization": "Bearer $token"
},
);
if (response.statusCode == 200) {
final Map<String, dynamic> responseData = jsonDecode(response.body);
final List<dynamic> historiList = responseData['data'];
return historiList.map((histori) => histori as Map<String, dynamic>).toList();
} else {
throw Exception(
jsonDecode(response.body)['message'] ?? 'Gagal mengambil data histori'
);
}
} catch (e) {
print('Error getting histori: $e');
throw Exception('Gagal mengambil data histori: $e');
}
}
// Fungsi Login (dengan perbaikan)
static Future<Map<String, dynamic>> loginUser(
String email,
String password,
) async {
try {
final response = await http.post(
Uri.parse("$baseUrl/login"),
headers: {"Content-Type": "application/json"},
body: jsonEncode({'email': email, 'password': password}),
);
print("Response Status: ${response.statusCode}");
print("Response Body: ${response.body}");
if (response.statusCode == 200) {
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}");
}
} catch (e) {
print("Error: $e");
throw Exception("Terjadi kesalahan saat login");
}
}
// Fungsi Logout
static Future<void> logoutUser() async {
SharedPreferences prefs = await SharedPreferences.getInstance();
await prefs.remove('token');
await prefs.remove('role');
}
// Fungsi Cek Login
static Future<String?> checkLoginStatus() async {
SharedPreferences prefs = await SharedPreferences.getInstance();
return prefs.getString('role'); // Return role jika login
}
// Ambil semua gejala
Future<List<Map<String, dynamic>>> getGejala() async {
try {
final response = await http.get(Uri.parse(gejalaUrl));
if (response.statusCode == 200) {
return List<Map<String, dynamic>>.from(jsonDecode(response.body));
} else {
throw Exception('Gagal mengambil data gejala');
}
} catch (e) {
print('Error getGejala: $e');
throw Exception('Gagal mengambil data gejala');
}
}
// Tambah gejala baru (kode otomatis)
Future<Map<String, dynamic>> createGejala(String nama) async {
try {
final response = await http.post(
Uri.parse(gejalaUrl),
headers: {"Content-Type": "application/json"},
body: jsonEncode({"nama": nama}),
);
if (response.statusCode == 201) {
return jsonDecode(response.body);
} else {
throw Exception('Gagal menambahkan gejala');
}
} catch (e) {
print('Error createGejala: $e');
throw Exception('Gagal menambahkan gejala');
}
}
// Update gejala berdasarkan ID
Future<Map<String, dynamic>> updateGejala(int id, String nama) async {
try {
final response = await http.put(
Uri.parse('$gejalaUrl/$id'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({"nama": nama}),
);
if (response.statusCode == 200) {
return jsonDecode(response.body);
} else {
throw Exception('Gagal mengupdate gejala');
}
} catch (e) {
print('Error updateGejala: $e');
throw Exception('Gagal mengupdate gejala');
}
}
// Hapus gejala berdasarkan ID
Future<void> deleteGejala(int id) async {
try {
final response = await http.delete(Uri.parse('$gejalaUrl/$id'));
if (response.statusCode != 200) {
throw Exception('Gagal menghapus gejala');
}
} catch (e) {
print('Error deleteGejala: $e');
throw Exception('Gagal menghapus gejala');
}
}
// Ambil semua hama
Future<List<Map<String, dynamic>>> getHama() async {
try {
final response = await http.get(Uri.parse(hamaUrl)).timeout(timeout);
if (response.statusCode == 200) {
final responseData = jsonDecode(response.body);
// Pastikan "data" ada dan berupa List
if (responseData is Map<String, dynamic> &&
responseData.containsKey("data")) {
final List<dynamic> data = responseData["data"];
return List<Map<String, dynamic>>.from(
data.map((item) => Map<String, dynamic>.from(item)),
);
} else {
throw Exception("Format respons API tidak sesuai");
}
} else {
print('Error response: ${response.statusCode} - ${response.body}');
throw Exception("Gagal mengambil data hama (Status: ${response.statusCode})");
}
} catch (e) {
print("Error getHama: $e");
throw Exception("Gagal mengambil data hama: $e");
}
}
Future<Map<String, dynamic>> getHamaById(int id) async {
try {
final response = await http.get(Uri.parse('$hamaUrl/$id'));
print('Fetching hama with ID $id from $hamaUrl/$id');
if (response.statusCode == 200) {
final responseData = jsonDecode(response.body);
print('Response data: $responseData');
// Periksa format respons
if (responseData is Map<String, dynamic> &&
responseData.containsKey("data")) {
final data = responseData["data"];
return Map<String, dynamic>.from(data);
} else if (responseData is Map<String, dynamic>) {
// Jika langsung mengembalikan objek tanpa wrapper "data"
return responseData;
} else {
throw Exception("Format respons API tidak sesuai");
}
} else {
print('Error response: ${response.statusCode} - ${response.body}');
throw Exception(
"Gagal mengambil data hama dengan ID $id (Status: ${response.statusCode})",
);
}
} catch (e) {
print("Error getHamaById: $e");
throw Exception("Gagal mengambil data hama dengan ID $id: $e");
}
}
// Fungsi untuk mendapatkan URL gambar hama
String getHamaImageUrl(int id) {
return '$hamaUrl/$id/image';
}
// Fungsi untuk mengecek apakah gambar tersedia
Future<bool> isHamaImageAvailable(int id) async {
try {
final url = Uri.parse(getHamaImageUrl(id));
print('Checking image availability: $url');
final response = await http.head(url);
print('Image availability status: ${response.statusCode}');
return response.statusCode == 200;
} catch (e) {
print("Error checking image availability: $e");
return false;
}
}
// Fungsi untuk mengambil gambar hama sebagai bytes
Future<Uint8List?> getHamaImageBytes(int id) async {
try {
final url = Uri.parse(getHamaImageUrl(id));
print('Fetching image bytes from: $url');
final response = await http.get(url);
if (response.statusCode == 200) {
return response.bodyBytes;
} else {
print('Failed to get image bytes: ${response.statusCode}');
print(
'Response body: ${response.body}',
); // Tambahkan ini untuk melihat pesan error
return null;
}
} catch (e) {
print('Error getting image bytes: $e');
return null;
}
}
Future<Uint8List?> getHamaImageBytesByFilename(String filename) async {
try {
final url = Uri.parse('https://backend-sistem-pakar-diagnosa-penya.vercel.app/image_hama/$filename');
print('Fetching image from: $url');
final response = await http.get(url);
if (response.statusCode == 200) {
return response.bodyBytes;
} else {
print('Failed to fetch image. Status: ${response.statusCode}');
print('Response body: ${response.body}');
return null;
}
} catch (e) {
print('Error fetching image by filename: $e');
return null;
}
}
// Tambah hama baru (kode otomatis)
Future<Map<String, dynamic>> createHama(
String nama,
String deskripsi,
String penanganan,
XFile? pickedFile,
double nilai_pakar
) async {
try {
var uri = Uri.parse(hamaUrl);
var request = http.MultipartRequest('POST', uri);
request.fields['nama'] = nama;
request.fields['deskripsi'] = deskripsi;
request.fields['penanganan'] = penanganan;
request.fields['nilai_pakar'] = nilai_pakar.toString();
print('Mengirim request ke: $uri');
print('Dengan fields: ${request.fields}');
if (pickedFile != null) {
String mimeType = 'image/jpeg';
String fileName = pickedFile.name;
if (fileName.isEmpty) {
fileName = pickedFile.path.split('/').last;
}
if (fileName.toLowerCase().endsWith('.png')) {
mimeType = 'image/png';
} else if (fileName.toLowerCase().endsWith('.jpg') ||
fileName.toLowerCase().endsWith('.jpeg')) {
mimeType = 'image/jpeg';
}
final bytes = await pickedFile.readAsBytes();
request.files.add(
http.MultipartFile.fromBytes(
'foto', // Sesuaikan dengan field name yang diterima backend
bytes,
filename: fileName,
contentType: MediaType.parse(mimeType),
),
);
print('Menambahkan file: $fileName (${bytes.length} bytes)');
} else {
print('Tidak ada file yang dilampirkan');
}
var streamedResponse = await request.send();
var response = await http.Response.fromStream(streamedResponse);
print('Status response: ${response.statusCode}');
print('Body response: ${response.body}');
if (response.statusCode == 201) {
return jsonDecode(response.body);
} else {
String errorMessage =
'Gagal menambahkan hama (kode: ${response.statusCode})';
try {
var errorBody = jsonDecode(response.body);
if (errorBody is Map && errorBody.containsKey('message')) {
errorMessage = errorBody['message'];
}
} catch (e) {
if (response.body.isNotEmpty) {
errorMessage = response.body;
}
}
throw Exception(errorMessage);
}
} catch (e) {
print('Error dalam createHama: $e');
throw Exception('Gagal menambahkan hama: $e');
}
}
// Update hama berdasarkan ID
Future<Map<String, dynamic>> updateHama(
int id,
String nama,
String deskripsi,
String penanganan,
XFile? pickedFile,
double nilai_pakar
) async {
try {
var uri = Uri.parse('$hamaUrl/$id');
var request = http.MultipartRequest('PUT', uri);
// Tambahkan fields untuk data teks
request.fields['nama'] = nama;
request.fields['deskripsi'] = deskripsi;
request.fields['penanganan'] = penanganan;
request.fields['nilai_pakar'] = nilai_pakar.toString();
// Log untuk debugging
print('Mengirim request ke: $uri');
print('Dengan fields: ${request.fields}');
if (pickedFile != null) {
// Dapatkan tipe MIME berdasarkan ekstensi file
String mimeType = 'image/jpeg'; // Default
String fileName = pickedFile.name;
if (fileName.isEmpty) {
fileName = pickedFile.path.split('/').last;
}
if (fileName.toLowerCase().endsWith('.png')) {
mimeType = 'image/png';
} else if (fileName.toLowerCase().endsWith('.jpg') ||
fileName.toLowerCase().endsWith('.jpeg')) {
mimeType = 'image/jpeg';
}
// Baca file sebagai bytes
final bytes = await pickedFile.readAsBytes();
// Tambahkan file ke request dengan tipe yang tepat
request.files.add(
http.MultipartFile.fromBytes(
'foto', // Nama field ini harus sama dengan yang diharapkan backend
bytes,
filename: fileName,
contentType: MediaType.parse(mimeType),
),
);
print('Menambahkan file: $fileName (${bytes.length} bytes)');
} else {
print('Tidak ada file yang dilampirkan');
}
// Kirim request
var streamedResponse = await request.send();
var response = await http.Response.fromStream(streamedResponse);
// Debug response
print('Status response: ${response.statusCode}');
print('Body response: ${response.body}');
if (response.statusCode == 200) {
return jsonDecode(response.body);
} else {
// Coba ambil pesan error dari response body
String errorMessage =
'Gagal mengupdate hama (kode: ${response.statusCode})';
try {
var errorBody = jsonDecode(response.body);
if (errorBody is Map && errorBody.containsKey('message')) {
errorMessage = errorBody['message'];
}
} catch (e) {
// Jika gagal parse JSON, gunakan response body langsung
if (response.body.isNotEmpty) {
errorMessage = response.body;
}
}
throw Exception(errorMessage);
}
} catch (e) {
print('Error dalam updateHama: $e');
throw Exception('Gagal mengupdate hama: $e');
}
}
// Hapus hama berdasarkan ID
Future<void> deleteHama(int id) async {
try {
final response = await http.delete(Uri.parse('$hamaUrl/$id'));
if (response.statusCode != 200) {
throw Exception('Gagal menghapus hama');
}
} catch (e) {
print('Error deleteHama: $e');
throw Exception('Gagal menghapus hama');
}
}
// Ambil semua penyakit
Future<List<Map<String, dynamic>>> getPenyakit() async {
try {
final response = await http.get(Uri.parse(ApiService.penyakitUrl));
if (response.statusCode == 200) {
final responseData = jsonDecode(response.body);
// Pastikan "data" ada dan berupa List
if (responseData is Map<String, dynamic> &&
responseData.containsKey("data")) {
final List<dynamic> data = responseData["data"];
return List<Map<String, dynamic>>.from(
data.map((item) => Map<String, dynamic>.from(item)),
);
} else {
throw Exception("Format respons API tidak sesuai");
}
} else {
throw Exception("Gagal mengambil data penyakit");
}
} catch (e) {
print("Error getHama: $e");
throw Exception("Gagal mengambil data penyakit");
}
}
Future<Map<String, dynamic>> getPenyakitById(int id) async {
try {
final response = await http.get(Uri.parse('$penyakitUrl/$id'));
print('Fetching penyakit with ID $id from $penyakitUrl/$id');
if (response.statusCode == 200) {
final responseData = jsonDecode(response.body);
print('Response data: $responseData');
// Periksa format respons
if (responseData is Map<String, dynamic> &&
responseData.containsKey("data")) {
final data = responseData["data"];
return Map<String, dynamic>.from(data);
} else if (responseData is Map<String, dynamic>) {
// Jika langsung mengembalikan objek tanpa wrapper "data"
return responseData;
} else {
throw Exception("Format respons API tidak sesuai");
}
} else {
print('Error response: ${response.statusCode} - ${response.body}');
throw Exception(
"Gagal mengambil data penyakit dengan ID $id (Status: ${response.statusCode})",
);
}
} catch (e) {
print("Error getPenyakitById: $e");
throw Exception("Gagal mengambil data penyakit dengan ID $id: $e");
}
}
// Fungsi untuk mendapatkan URL gambar penyakit
String getPenyakitImageUrl(int id) {
return '$penyakitUrl/$id/image';
}
// Fungsi untuk mengecek apakah gambar tersedia
Future<bool> isPenyakitImageAvailable(int id) async {
try {
final url = Uri.parse(getHamaImageUrl(id));
print('Checking image availability: $url');
final response = await http.head(url);
print('Image availability status: ${response.statusCode}');
return response.statusCode == 200;
} catch (e) {
print("Error checking image availability: $e");
return false;
}
}
Future<Uint8List?> getPenyakitImageBytes(int id) async {
try {
final url = Uri.parse(getPenyakitImageUrl(id));
print('Fetching image bytes from: $url');
final response = await http.get(url);
if (response.statusCode == 200) {
return response.bodyBytes;
} else {
print('Failed to get image bytes: ${response.statusCode}');
print(
'Response body: ${response.body}',
); // Tambahkan ini untuk melihat pesan error
return null;
}
} catch (e) {
print('Error getting image bytes: $e');
return null;
}
}
Future<Uint8List?> getPenyakitImageBytesByFilename(String filename) async {
try {
final url = Uri.parse('https://backend-sistem-pakar-diagnosa-penya.vercel.app/image_penyakit/$filename');
print('Fetching image from: $url');
final response = await http.get(url);
if (response.statusCode == 200) {
return response.bodyBytes;
} else {
print('Failed to fetch image. Status: ${response.statusCode}');
print('Response body: ${response.body}');
return null;
}
} catch (e) {
print('Error fetching image by filename: $e');
return null;
}
}
// Tambah penyakit baru (kode otomatis)
Future<Map<String, dynamic>> createPenyakit(
String nama,
String deskripsi,
String penanganan,
XFile? pickedFile,
double nilai_pakar
) async {
try {
var uri = Uri.parse(penyakitUrl);
var request = http.MultipartRequest('POST', uri);
request.fields['nama'] = nama;
request.fields['deskripsi'] = deskripsi;
request.fields['penanganan'] = penanganan;
request.fields['nilai_pakar'] = nilai_pakar.toString();
print('Mengirim request ke: $uri');
print('Dengan fields: ${request.fields}');
if (pickedFile != null) {
String mimeType = 'image/jpeg';
String fileName = pickedFile.name;
if (fileName.isEmpty) {
fileName = pickedFile.path.split('/').last;
}
if (fileName.toLowerCase().endsWith('.png')) {
mimeType = 'image/png';
} else if (fileName.toLowerCase().endsWith('.jpg') ||
fileName.toLowerCase().endsWith('.jpeg')) {
mimeType = 'image/jpeg';
}
final bytes = await pickedFile.readAsBytes();
request.files.add(
http.MultipartFile.fromBytes(
'foto', // Sesuaikan dengan field name yang diterima backend
bytes,
filename: fileName,
contentType: MediaType.parse(mimeType),
),
);
print('Menambahkan file: $fileName (${bytes.length} bytes)');
} else {
print('Tidak ada file yang dilampirkan');
}
var streamedResponse = await request.send();
var response = await http.Response.fromStream(streamedResponse);
print('Status response: ${response.statusCode}');
print('Body response: ${response.body}');
if (response.statusCode == 201) {
return jsonDecode(response.body);
} else {
String errorMessage =
'Gagal menambahkan penyakit (kode: ${response.statusCode})';
try {
var errorBody = jsonDecode(response.body);
if (errorBody is Map && errorBody.containsKey('message')) {
errorMessage = errorBody['message'];
}
} catch (e) {
if (response.body.isNotEmpty) {
errorMessage = response.body;
}
}
throw Exception(errorMessage);
}
} catch (e) {
print('Error dalam createPenyakit: $e');
throw Exception('Gagal menambahkan penyakit: $e');
}
}
// Update penyakit berdasarkan ID
Future<Map<String, dynamic>> updatePenyakit(
int id,
String nama,
String deskripsi,
String penanganan,
XFile? pickedFile,
double nilai_pakar
) async {
try {
var uri = Uri.parse('$penyakitUrl/$id');
var request = http.MultipartRequest('PUT', uri);
// Tambahkan fields untuk data teks
request.fields['nama'] = nama;
request.fields['deskripsi'] = deskripsi;
request.fields['penanganan'] = penanganan;
request.fields['nilai_pakar'] = nilai_pakar.toString();
// Log untuk debugging
print('Mengirim request ke: $uri');
print('Dengan fields: ${request.fields}');
if (pickedFile != null) {
// Dapatkan tipe MIME berdasarkan ekstensi file
String mimeType = 'image/jpeg'; // Default
String fileName = pickedFile.name;
if (fileName.isEmpty) {
fileName = pickedFile.path.split('/').last;
}
if (fileName.toLowerCase().endsWith('.png')) {
mimeType = 'image/png';
} else if (fileName.toLowerCase().endsWith('.jpg') ||
fileName.toLowerCase().endsWith('.jpeg')) {
mimeType = 'image/jpeg';
}
// Baca file sebagai bytes
final bytes = await pickedFile.readAsBytes();
// Tambahkan file ke request dengan tipe yang tepat
request.files.add(
http.MultipartFile.fromBytes(
'foto', // Nama field ini harus sama dengan yang diharapkan backend
bytes,
filename: fileName,
contentType: MediaType.parse(mimeType),
),
);
print('Menambahkan file: $fileName (${bytes.length} bytes)');
} else {
print('Tidak ada file yang dilampirkan');
}
// Kirim request
var streamedResponse = await request.send();
var response = await http.Response.fromStream(streamedResponse);
// Debug response
print('Status response: ${response.statusCode}');
print('Body response: ${response.body}');
if (response.statusCode == 200) {
return jsonDecode(response.body);
} else {
// Coba ambil pesan error dari response body
String errorMessage =
'Gagal mengupdate hama (kode: ${response.statusCode})';
try {
var errorBody = jsonDecode(response.body);
if (errorBody is Map && errorBody.containsKey('message')) {
errorMessage = errorBody['message'];
}
} catch (e) {
// Jika gagal parse JSON, gunakan response body langsung
if (response.body.isNotEmpty) {
errorMessage = response.body;
}
}
throw Exception(errorMessage);
}
} catch (e) {
print('Error dalam updateHama: $e');
throw Exception('Gagal mengupdate hama: $e');
}
}
// Hapus penyakit berdasarkan ID
Future<void> deletePenyakit(int id) async {
try {
final response = await http.delete(Uri.parse('$penyakitUrl/$id'));
if (response.statusCode != 200) {
throw Exception('Gagal menghapus penyakit');
}
} catch (e) {
print('Error deletePenyakit: $e');
throw Exception('Gagal menghapus penyakit');
}
}
//registrasi
Future<void> registerUser({
required String name,
required String email,
required String password,
required String alamat,
required String nomorTelepon,
}) async {
final response = await http.post(
Uri.parse('$baseUrl/register'), // Endpoint register
headers: {"Content-Type": "application/json"},
body: jsonEncode({
'name': name,
'email': email,
'password': password,
'alamat': alamat,
'nomorTelepon': nomorTelepon,
'role': 'user', // role default
}),
);
if (response.statusCode != 201) {
throw Exception(
jsonDecode(response.body)['message'] ?? 'Gagal mendaftar',
);
}
}
// Fungsi untuk mengirim kode verifikasi
Future<void> sendResetCode({
required String email,
}) async {
try {
final response = await http.post(
Uri.parse('$baseUrl/send-reset-code'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
'email': email,
}),
);
if (response.statusCode != 200) {
throw Exception(
jsonDecode(response.body)['message'] ?? 'Gagal mengirim kode verifikasi',
);
}
} catch (e) {
print('Error sending reset code: $e');
throw Exception('Gagal mengirim kode verifikasi: $e');
}
}
// Fungsi untuk reset password dengan kode verifikasi
Future<void> resetPasswordWithCode({
required String code,
required String password,
}) async {
try {
final response = await http.post(
Uri.parse('$baseUrl/reset-password'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
'code': code,
'password': password,
}),
);
if (response.statusCode != 200) {
throw Exception(
jsonDecode(response.body)['message'] ?? 'Gagal reset password',
);
}
} catch (e) {
print('Error resetting password: $e');
throw Exception('Gagal reset password: $e');
}
}
Future<bool> verifyResetCode({required String email, required String code}) async {
try {
final response = await http.post(
Uri.parse('$baseUrl/reset-password'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
'email': email,
'resetToken': code,
}),
);
if (response.statusCode == 200) {
// Jika status code 200, berarti kode valid
return true;
} else {
// Jika status code bukan 200, kode tidak valid
final error = jsonDecode(response.body);
throw error['message'] ?? 'Kode verifikasi tidak valid';
}
} catch (e) {
throw e.toString();
}
}
// Create Rule penyakit
static Future<http.Response> createRulePenyakit({
required int idGejala,
int? idPenyakit,
required double nilaiPakar,
}) async {
final response = await http.post(
Uri.parse('$rulesPenyakitUrl'),
headers: {'Content-Type': 'application/json'},
body: jsonEncode({
'id_gejala': idGejala,
'id_penyakit': idPenyakit,
'nilai_pakar': nilaiPakar,
}),
);
return response;
}
//get all rules penyakit
Future<List<dynamic>> getRulesPenyakit() async {
final response = await http.get(Uri.parse(rulesPenyakitUrl));
if (response.statusCode == 200) {
final data = jsonDecode(response.body);
if (data['data'] == null) {
throw Exception('Data rules kosong');
}
return data['data'];
} else {
throw Exception('Gagal mengambil data rules: ${response.statusCode}');
}
}
// Update Rule penyakit
static Future<http.Response> updateRulePenyakit({
required int id,
required int idGejala,
int? idPenyakit,
required double nilaiPakar,
}) async {
final response = await http.put(
Uri.parse('$rulesPenyakitUrl/$id'),
headers: {'Content-Type': 'application/json'},
body: jsonEncode({
'id_gejala': idGejala,
'id_penyakit': idPenyakit,
'nilai_pakar': nilaiPakar,
}),
);
return response;
}
// Delete Rule penyakit
static Future<http.Response> deleteRulePenyakit(int id) async {
final response = await http.delete(Uri.parse('$rulesPenyakitUrl/$id'));
return response;
}
// Create Rule Hama
static Future<http.Response> createRuleHama({
required int idGejala,
int? idHama,
required double nilaiPakar,
}) async {
try {
// Mencetak URL untuk debugging
print("URL API: $rulesHamaUrl");
// Kirim request POST ke server
final response = await http.post(
Uri.parse('$rulesHamaUrl'),
headers: {'Content-Type': 'application/json'},
body: jsonEncode({
'id_gejala': idGejala,
'id_hama': idHama,
'nilai_pakar': nilaiPakar,
}),
);
// Pengecekan status response
if (response.statusCode == 200 || response.statusCode == 201) {
// Jika berhasil, kembalikan response
return response;
} else {
// Jika gagal, cetak error dan lempar exception
print("Gagal: ${response.statusCode} - ${response.body}");
throw Exception('Gagal menyimpan rule hama. ${response.body}');
}
} catch (e) {
print('Error: $e');
rethrow; // Rethrow exception agar bisa ditangani di tempat lain
}
}
//get all rules hama
Future<List<dynamic>> getRulesHama() async {
final response = await http.get(Uri.parse(rulesHamaUrl));
if (response.statusCode == 200) {
final data = jsonDecode(response.body);
if (data['data'] == null) {
throw Exception('Data rules kosong');
}
return data['data'];
} else {
throw Exception('Gagal mengambil data rules: ${response.statusCode}');
}
}
// Update Rule hama
static Future<http.Response> updateRuleHama({
required int id,
required int idGejala,
int? idHama,
required double nilaiPakar,
}) async {
final response = await http.put(
Uri.parse('$rulesHamaUrl/$id'),
headers: {'Content-Type': 'application/json'},
body: jsonEncode({
'id_gejala': idGejala,
'id_hama': idHama,
'nilai_pakar': nilaiPakar,
}),
);
return response;
}
// Delete Rule hama
static Future<http.Response> deleteRuleHama(int id) async {
final response = await http.delete(Uri.parse('$rulesHamaUrl/$id'));
return response;
}
//get users
Future<List<Map<String, dynamic>>> getUsers({String? role}) async {
try {
String url = ApiService.userUrl;
if (role != null) {
url += '?role=$role';
}
final response = await http.get(Uri.parse(url));
if (response.statusCode == 200) {
final List<dynamic> responseData = jsonDecode(response.body);
// Filter berdasarkan role jika perlu
if (role != null) {
// Mengambil user dengan role yang sesuai
final filteredData = responseData.where((user) => user['role'] == role).toList();
return List<Map<String, dynamic>>.from(filteredData);
}
// Jika tidak ada filter role, kembalikan semua data
return List<Map<String, dynamic>>.from(responseData);
} else {
throw Exception("Gagal mengambil data user: ${response.statusCode}");
}
} catch (e) {
print("Error getUsers: $e");
throw Exception("Gagal mengambil data user");
}
}
Future<Map<String, dynamic>> updateUser({
required int id,
String? name,
String? email,
String? alamat,
String? nomorTelepon,
String? password,
}) async {
try {
final response = await http.put(
Uri.parse('$userUrl/$id'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
if (name != null) 'name': name,
if (email != null) 'email': email,
if (alamat != null) 'alamat': alamat,
if (nomorTelepon != null) 'nomorTelepon': nomorTelepon,
if (password != null) 'password': password,
}),
);
if (response.statusCode == 200) {
final responseData = jsonDecode(response.body);
return responseData['user'];
} else {
throw Exception(
jsonDecode(response.body)['message'] ?? 'Gagal mengupdate user'
);
}
} catch (e) {
print('Error updating user: $e');
throw Exception('Gagal mengupdate user: $e');
}
}
Future<void> deleteUser(int id) async {
try {
final response = await http.delete(
Uri.parse('$userUrl/$id'),
headers: {"Content-Type": "application/json"},
);
if (response.statusCode == 200) {
// Successful deletion
print('User deleted successfully');
} else {
// Handle error response
final errorMessage = jsonDecode(response.body)['message'] ?? 'Gagal menghapus user';
throw Exception(errorMessage);
}
} catch (e) {
print('Error deleting user: $e');
throw Exception('Gagal menghapus user: $e');
}
}
// Tambahkan fungsi untuk mendapatkan data user berdasarkan ID
Future<Map<String, dynamic>?> getUserById(String userId) async {
try {
final response = await http.get(
Uri.parse('$userUrl/$userId'), // Use userUrl instead of baseUrl
headers: {
"Content-Type": "application/json",
},
);
if (response.statusCode == 200) {
return jsonDecode(response.body); // Direct return as backend sends user object
} else {
print("Error fetching user data: ${response.statusCode}");
return null;
}
} catch (e) {
print("Exception in getUserById: $e");
return null;
}
}
}