healthcare-frontend/lib/models/bmi_history_model.dart

import 'package:flutter/material.dart';
import 'package:intl/intl.dart';


class BmiHistoryModel {
  String bmiValue = '';
  String height= '';
  String weight= '';
  String date= '';
  String displayDate='';
  DateTime dateForFilter=new DateTime.now();

  var number1;
  var number2;

  BmiHistoryModel();

  factory BmiHistoryModel.fromJson(Map<String, dynamic> json){
    BmiHistoryModel rtvm = new BmiHistoryModel();
    /*"heightUnit": "feet",
    "weightUnit": "kg",
    "_id": "6493fe48eca67b71b8444e24",
    "bmiinfoid": "BMI1687420488845468",
    "customerId": "AHSUSNE2",
    "height": "164.592",
    "weight": "50",
    "age": 27,
    "bmivalue": 18.46,
    "createdAt": "2023-06-22T07:54:48.847Z",
    "updatedAt": "2023-06-22T07:54:48.847Z",*/

    rtvm.bmiValue = json['bmivalue'].toString() ?? '';
    rtvm.height = json['height'].toString() ?? '';
    rtvm.weight = json['weight'].toString() ?? '';
    rtvm.number1 = double.parse( rtvm.bmiValue);
    rtvm.number2 = double.parse( rtvm.bmiValue);
    rtvm.date = json['createdAt'].toString() ?? '';

    //DateTime tempDate = new DateFormat("yyyy-MM-dd hh:mm:ss").parse(rtvm.date);
    DateTime parseDate = new DateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").parse(rtvm.date);
    var outputFormat = DateFormat('MM/dd/yyyy hh:mm a');
    rtvm.dateForFilter=parseDate;
    var outputDate = outputFormat.format(parseDate);
    rtvm.displayDate=outputDate;


    return rtvm;
  }

}