mobile-app/lib/custom_model/Supply.dart

class Supply {
  int id;
  num quantity;
  String unit;
  int tbWarehouseId;
  String tbWarehouseName;
  String tbSuppliesName;
  int tbSuppliesId;
  bool isSelected;

  Supply(
      {this.id,
      this.quantity,
      this.unit,
      this.tbWarehouseId,
      this.tbWarehouseName,
      this.tbSuppliesName,
      this.tbSuppliesId,
      this.isSelected});

  Supply.fromJson(Map<String, dynamic> json) {
    id = json['id'];
    quantity = json['quantity'];
    unit = json['unit'];
    tbWarehouseId = json['tbWarehouseId'];
    tbWarehouseName = json['tbWarehouseName'];
    tbSuppliesName = json['tbSuppliesName'];
    tbSuppliesId = json['tbSuppliesId'];
    isSelected = false;
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['id'] = this.id;
    data['quantity'] = this.quantity;
    data['unit'] = this.unit;
    data['tbWarehouseId'] = this.tbWarehouseId;
    data['tbWarehouseName'] = this.tbWarehouseName;
    data['tbSuppliesName'] = this.tbSuppliesName;
    data['tbSuppliesId'] = this.tbSuppliesId;
    return data;
  }
}