data_classes.dart

import 'dart:core';
import 'package:latlong2/latlong.dart';
import 'package:flutter/material.dart';

class Measurement {
  int measurementID;
  DateTime timeMeasured;
  Sensor sensor;
  String bodyOfWater;
  LatLng center;
  List <SubDiv> subDivs;

  Measurement({
    required this.measurementID,
    required this.timeMeasured,
    required this.sensor,
    required this.bodyOfWater,
    required this.center,
    required this.subDivs,
  });

  factory Measurement.fromJson(Map<String, dynamic> json) {
    try {
      return Measurement(
        measurementID: json['MeasurementID'] ?? 0,
        timeMeasured: json['TimeMeasured'] != null
            ? DateTime.parse(json['TimeMeasured'])
            : DateTime(0),
        sensor:json['Sensor'] != null
            ? Sensor.fromJson(json['Sensor'])
            : Sensor.empty(),
        bodyOfWater: json['BodyOfWater'] != null ? json['BodyOfWater'].toString() : 'nil',
        center: LatLng(
          json['CenterLat'] != null ? json['CenterLat'].toDouble() : 0.0,
          json['CenterLon'] != null ? json['CenterLon'].toDouble() : 0.0,
        ),
        subDivs: (json['Subdivisions'] as List<dynamic>).map((data) => SubDiv.fromJson(data)).toList(),
      );
    } catch (e) {
      throw FormatException('Error parsing Measurement: $e');
    }
  }

}

class SubDiv {
  String sub_div_id;
  int groupID;
  double minThickness;
  double avgThickness;
  LatLng center;
  int accuracy;
  int color;
  List<IceStats> iceStats;

  SubDiv({
    required this.sub_div_id,
    required this.groupID,
    required this.minThickness,
    required this.avgThickness,
    required this.center,
    required this.accuracy,
    required this.color,
    required this.iceStats,
  });

  factory SubDiv.fromJson(Map<String, dynamic> json) {
    try {
      return SubDiv(
        sub_div_id: json['SubdivID'].toString(),