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

507 lines
14 KiB
Dart

import 'dart:convert';
import 'package:http/http.dart' as http;
import 'package:shared_preferences/shared_preferences.dart';
class ApiService {
static const String baseUrl = 'http://localhost:5000/api/auth';
static const String gejalaUrl = 'http://localhost:5000/api/gejala';
static const String hamaUrl = 'http://localhost:5000/api/hama';
static const String penyakitUrl = 'http://localhost:5000/api/penyakit';
static const String rulesPenyakitUrl ='http://localhost:5000/api/rules_penyakit';
static const String rulesHamaUrl = 'http://localhost:5000/api/rules_hama';
// 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) {
return jsonDecode(response.body);
} 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(ApiService.hamaUrl));
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 hama");
}
} catch (e) {
print("Error getHama: $e");
throw Exception("Gagal mengambil data hama");
}
}
// Tambah hama baru (kode otomatis)
Future<Map<String, dynamic>> createHama(
String nama,
String deskripsi,
String penanganan,
) async {
try {
final response = await http.post(
Uri.parse(hamaUrl),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
"nama": nama,
"deskripsi": deskripsi,
"penanganan": penanganan,
}),
);
if (response.statusCode == 201) {
return jsonDecode(response.body);
} else {
throw Exception('Gagal menambahkan hama');
}
} catch (e) {
print('Error createHama: $e');
throw Exception('Gagal menambahkan hama');
}
}
// Update hama berdasarkan ID
Future<Map<String, dynamic>> updateHama(
int id,
String nama,
String deskripsi,
String penanganan,
) async {
try {
final response = await http.put(
Uri.parse('$hamaUrl/$id'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
"nama": nama,
"deskripsi": deskripsi,
"penanganan": penanganan,
}),
);
if (response.statusCode == 200) {
return jsonDecode(response.body);
} else {
throw Exception('Gagal mengupdate hama');
}
} catch (e) {
print('Error updateHama: $e');
throw Exception('Gagal mengupdate hama');
}
}
// Hapus hama berdasarkan ID
Future<void> deleteHama(int id) async {
try {
final response = await http.delete(Uri.parse('$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");
}
}
// Tambah penyakit baru (kode otomatis)
Future<Map<String, dynamic>> createPenyakit(
String nama,
String deskripsi,
String penanganan,
) async {
try {
final response = await http.post(
Uri.parse(penyakitUrl),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
"nama": nama,
"deskripsi": deskripsi,
"penanganan": penanganan,
}),
);
if (response.statusCode == 201) {
return jsonDecode(response.body);
} else {
throw Exception('Gagal menambahkan penyakit');
}
} catch (e) {
print('Error createPenyakit: $e');
throw Exception('Gagal menambahkan penyakit');
}
}
// Update penyakit berdasarkan ID
Future<Map<String, dynamic>> updatePenyakit(
int id,
String nama,
String deskripsi,
String penanganan,
) async {
try {
final response = await http.put(
Uri.parse('$penyakitUrl/$id'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
"nama": nama,
"deskripsi": deskripsi,
"penanganan": penanganan,
}),
);
if (response.statusCode == 200) {
return jsonDecode(response.body);
} else {
throw Exception('Gagal mengupdate penyakit');
}
} catch (e) {
print('Error updatePenyakit: $e');
throw Exception('Gagal mengupdate penyakit');
}
}
// Hapus penyakit berdasarkan ID
Future<void> deletePenyakit(int id) async {
try {
final response = await http.delete(Uri.parse('$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 lupa password
Future<void> forgotPassword({
required String email,
required String newPassword,
}) async {
final response = await http.post(
Uri.parse('$baseUrl/forgot-password'),
headers: {"Content-Type": "application/json"},
body: jsonEncode({
'email': email,
'password': newPassword, // Kirim password baru
}),
);
if (response.statusCode != 200) {
throw Exception(
jsonDecode(response.body)['message'] ?? 'Gagal memperbarui password',
);
}
}
// Create Rule penyakit
static Future<http.Response> createRulePenyakit({
required int idGejala,
int? idPenyakit,
required double nilaiPakar,
}) async {
final response = await http.post(
Uri.parse('$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;
}
}