Barang latihan

import 'dart:convert';


class Barang{
  String id;
  String nama_barang;
  String jenis_barang;
  String harga;
  String stock;

  Barang({this.id = "0", this.nama_barang, this.jenis_barang, this.harga, this.stock});

  factory Barang.fromJson(Map<String, dynamic> map){
    return Barang(
      id: map["id"],
      nama_barang: map["nama_barang"],
      jenis_barang: map["jenis_barang"],
      harga: map["harga"],
      stock: map["stock"]
    );
  }
  Map<String, dynamic> toJson(){
    return {"id" : id, "nama_barang" : nama_barang, "jenis_barang" : jenis_barang, "harga" : harga, "stock" : stock};

  }

  @override
  String toString() {
    // TODO: implement toString
    return 'Barang{id: $id, nama_barang: $nama_barang, jenis_barang: $jenis_barang, harga: $harga, stock : $stock}';

  }
}

  List<Barang>barangFromJson(String jsonData){
    final data = jsonDecode(jsonData);
    return List<Barang>.from(data.map((item) => Barang.fromJson(item)));
  }

  String barangToJson(Barang data){
    final jsonData = data.toJson();
    return json.encode(jsonData);
  }