flutter-sport/lib/bean/step_realtime_entity.dart

import 'dart:convert';
import 'package:sport/generated/json/base/json_field.dart';
import 'package:sport/generated/json/step_realtime_entity.g.dart';

@JsonSerializable()
class StepRealtimeEntity {

	late int id;
	@JSONField(name: "user_id")
	late int userId;
	late int start;
	late int end;
	late int step;
	late int motion;
	late int type;
	late int target;
	late int year = 0;
	late String data;
  
  StepRealtimeEntity();

  factory StepRealtimeEntity.fromJson(Map<String, dynamic> json) => $StepRealtimeEntityFromJson(json);

  Map<String, dynamic> toJson() => $StepRealtimeEntityToJson(this);

  @override
  String toString() {
    return jsonEncode(this);
  }

	List<List<int>> get motionData {
		List<List<int>> data = [];
		List<dynamic> v = json.decode(this.data);
		v.forEach((element) {
			List<int> value = [];
			element.forEach((vv) {
				value.add(vv as int);
			});
			data.add(value);
		});
		return data;
	}
}