jawaban_q3_umkm

yudiwibisono

May 13th, 2023

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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:http/http.dart' as http;
import 'dart:convert';
//screen kedua
class ScreenDetil extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Detil'),
),
body: BlocBuilder<DetilUmkmCubit, DetilUmkmModel>(
builder: (context, detilUmkm) {
return Column(children: [
Text("Nama: ${detilUmkm.nama}"),
Text("Detil: ${detilUmkm.jenis}"),
Text("Member Sejak: ${detilUmkm.memberSejak}"),
Text("Omzet per bulan: ${detilUmkm.omzet}"),
Text("Lama usaha: ${detilUmkm.lamaUsaha}"),
Text("Jumlah pinjaman sukses: ${detilUmkm.jumPinjamanSukses}"),
]);
}));
}
}
class DetilUmkmModel {
String id;
String jenis;
String nama;
String omzet;
String lamaUsaha;
String memberSejak;
String jumPinjamanSukses;
//lama_usaha":"1","member_sejak":"01-01-2019","jumlah_pinjaman_sukses":3}
DetilUmkmModel(
{required this.id,
required this.nama,
required this.jenis,
required this.omzet,
required this.jumPinjamanSukses,
required this.lamaUsaha,
required this.memberSejak}); //constructor
}
class Umkm {
String id;
String jenis;
String nama;
Umkm({required this.id, required this.nama, required this.jenis});
}
class UmkmModel {
List<Umkm> dataUmkm;
UmkmModel({required this.dataUmkm}); //constructor
}
class DetilUmkmCubit extends Cubit<DetilUmkmModel> {
//String urlDetil = "http://127.0.0.1:8000/detil_umkm/";
String urlDetil = "http://178.128.17.76:8000/detil_umkm/";
DetilUmkmCubit()
: super(DetilUmkmModel(
id: '',
jenis: '',
nama: '',
omzet: '',
jumPinjamanSukses: '',
lamaUsaha: '',
memberSejak: ''));
void setFromJson(Map<String, dynamic> json) {
emit(DetilUmkmModel(
id: json["id"],
nama: json["nama"],
jenis: json["jenis"],
omzet: json["omzet_bulan"],
jumPinjamanSukses: json["jumlah_pinjaman_sukses"],
lamaUsaha: json["lama_usaha"],
memberSejak: json["member_sejak"]));
}
void fetchDataDetil(String id) async {
String urldet = "$urlDetil$id";
final response = await http.get(Uri.parse(urldet));
if (response.statusCode == 200) {
setFromJson(jsonDecode(response.body));
} else {
throw Exception('Gagal load');
}
}
}
class UmkmCubit extends Cubit<UmkmModel> {
//String url = "http://127.0.0.1:8000/daftar_umkm";
String url = "http://178.128.17.76:8000/daftar_umkm";
UmkmCubit() : super(UmkmModel(dataUmkm: []));
//map dari json ke atribut
void setFromJson(Map<String, dynamic> json) {
var arrData = json["data"];
List<Umkm> arrOut = [];
for (var el in arrData) {
String id = el['id'];
String jenis = el['jenis'];
String nama = el['nama'];
arrOut.add(Umkm(id: id, nama: nama, jenis: jenis));
}
emit(UmkmModel(dataUmkm: arrOut));
}
void setFromJsonDetil(Map<String, dynamic> json) {}
void fetchData() async {
final response = await http.get(Uri.parse(url));
if (response.statusCode == 200) {
setFromJson(jsonDecode(response.body));
} else {
throw Exception('Gagal load');
}
}
}
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
home: MultiBlocProvider(
providers: [
BlocProvider<UmkmCubit>(
create: (BuildContext context) => UmkmCubit(),
),
BlocProvider<DetilUmkmCubit>(
create: (BuildContext context) => DetilUmkmCubit(),
),
],
child: const HalamanUtama(),
));
}
}
class HalamanUtama extends StatelessWidget {
const HalamanUtama({Key? key}) : super(key: key);
@override
Widget build(Object context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text(' My App'),
),
body: Center(
child: BlocBuilder<UmkmCubit, UmkmModel>(
builder: (context, listUmkm) {
return Center(
child: Column(
//mainAxisAlignment: MainAxisAlignment.start,
children: [
Container(
padding: const EdgeInsets.all(10), child: const Text("""
nim1,nama1; nim2,nama2; Saya berjanji tidak akan berbuat curang data atau membantu orang lain berbuat curang""")),
Container(
padding: const EdgeInsets.all(20),
child: ElevatedButton(
onPressed: () {
context.read<UmkmCubit>().fetchData();
},
child: const Text("Reload Daftar UMKM"),
),
),
//Text(listUmkm.dataUmkm[0].nama),
Expanded(child: BlocBuilder<DetilUmkmCubit, DetilUmkmModel>(
builder: (context, detilUmkm) {
return ListView.builder(
itemCount: listUmkm.dataUmkm.length, //jumlah baris
itemBuilder: (context, index) {
return ListTile(
onTap: () {
context.read<DetilUmkmCubit>().fetchDataDetil(
listUmkm.dataUmkm[index].id);
Navigator.of(context)
.push(MaterialPageRoute(builder: (context) {
return ScreenDetil();
}));
},
leading: Image.network(
'https://flutter.github.io/assets-for-api-docs/assets/widgets/owl-2.jpg'),
trailing: const Icon(Icons.more_vert),
title: Text(listUmkm.dataUmkm[index].nama),
subtitle: Text(listUmkm.dataUmkm[index].jenis),
tileColor: Colors.white70);
});
}))
]));
},
),
),
));
}
}

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