healthcare-frontend/lib/BMI/bmi_history.dart

import 'dart:convert';
import 'package:healthcare_user/chart/bmi_chart.dart';
import 'package:intl/intl.dart';
import 'package:flutter/material.dart';
import 'package:healthcare_user/models/bmi_history_model.dart';
import 'package:healthcare_user/common/settings.dart';

import '../chart/bpchart.dart';

class BMIHistory extends StatefulWidget {
  const BMIHistory({Key? key}) : super(key: key);

  @override
  State<BMIHistory> createState() => _BMIHistoryState();
}

class _BMIHistoryState extends State<BMIHistory> {
  bool isLoading = false;
  List<BmiHistoryModel> bmiHistoryList = [];
  List<BmiHistoryModel> FilteredList = [];
  var dateItems = [
    'last 7 days',
    'last one month',
    'last one year',
  ];
  var dateItemsVariable = 'last 7 days';

  Future<void> getBmiHistoryDetails(var selectedRange) async {
    isLoading = true;
    var response1 = await AppSettings.getBmiHistory();
    print(response1);
    setState(() {
      bmiHistoryList = ((jsonDecode(response1)) as List).map((dynamic model) {
        return BmiHistoryModel.fromJson(model);
      }).toList();

      var now = new DateTime.now();
      var now_1w = now.subtract(Duration(days: 7));
      var now_1m = new DateTime(now.year, now.month - 1, now.day);
      var now_1y = new DateTime(now.year - 1, now.month, now.day);

      if (selectedRange.toString().toUpperCase() == 'LAST 7 DAYS') {
        FilteredList = bmiHistoryList.where((product) {
          final date = product.dateForFilter;
          return now_1w.isBefore(date);
        }).toList();
      } else if (selectedRange.toString().toUpperCase() == 'LAST ONE MONTH') {
        FilteredList = bmiHistoryList.where((product) {
          final date = product.dateForFilter;
          return now_1m.isBefore(date);
        }).toList();
      } else if (selectedRange.toString().toUpperCase() == 'LAST ONE YEAR') {
        FilteredList = bmiHistoryList.where((product) {
          final date = product.dateForFilter;
          return now_1y.isBefore(date);
        }).toList();
      } else {
        FilteredList = bmiHistoryList;
      }

      isLoading = false;
    });
  }

  @override
  void initState() {
    getBmiHistoryDetails(dateItemsVariable);
    super.initState();
  }

  Widget renderzUi() {
    if (bmiHistoryList.length != 0) {
      return Column(crossAxisAlignment: CrossAxisAlignment.end, children: [
        Padding(
          padding: EdgeInsets.fromLTRB(10, 10, 10, 10),
          child: DropdownButtonFormField(
            // Initial Value
            value: dateItemsVariable,
            isExpanded: true,
            decoration: const InputDecoration(
              prefixIcon: Icon(
                Icons.calendar_month,
                color: primaryColor,
              ),
              border: OutlineInputBorder(
                  borderSide: BorderSide(color: primaryColor)),
              focusedBorder: OutlineInputBorder(
                borderSide: BorderSide(color: primaryColor),
              ),
              enabledBorder: OutlineInputBorder(
                borderSide: BorderSide(color: primaryColor),
              ),
              labelText: 'Units',
              labelStyle: TextStyle(
                color: greyColor, //<-- SEE HERE
              ),
            ),

            hint: Text('Units'),
            // Down Arrow Icon
            //icon: const Icon(Icons.keyboard_arrow_down),

            // Array list of items
            items: dateItems.map((String items) {
              return DropdownMenuItem(
                  value: items,
                  child: Text(
                    items,
                    style: TextStyle(
                      fontSize: 16,
                    ),
                    textAlign: TextAlign.center,
                  ));
            }).toList(),
            // After selecting the desired option,it will
            // change button value to selected value
            onChanged: (String? newValue) {
              setState(() {
                dateItemsVariable = newValue!;
              });
              getBmiHistoryDetails(dateItemsVariable);
            },
          ),
        ),
        IconButton(
          onPressed: () {
            /*Navigator.push(
                  context,
                  MaterialPageRoute(
                      builder: (context) =>  BmiChart()),
                );*/
            Navigator.push(
                context,
                new MaterialPageRoute(
                    builder: (__) => new BmiChart(myObject: FilteredList)));
            // showBMIAdddialog();
          },
          icon: Icon(
            Icons.auto_graph,
            color: primaryColor,
          ),
        ),
        Expanded(
            child: ListView.builder(
                padding: EdgeInsets.all(0),
                itemCount: FilteredList.length,
                itemBuilder: (BuildContext context, int index) {
                  return Card(
                    color: Colors.white,
                    child: Padding(
                      padding: EdgeInsets.all(8),
                      child: Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        crossAxisAlignment: CrossAxisAlignment.center,
                        children: [
                          Container(
                            width: MediaQuery.of(context).size.width * .55,
                            child: Column(
                              mainAxisAlignment: MainAxisAlignment.start,
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Row(
                                  mainAxisAlignment: MainAxisAlignment.start,
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    Image(
                                        image: const AssetImage(
                                            'images/height.png'),
                                        height: 25,
                                        width: 25,
                                        fit: BoxFit.fill),
                                    Padding(
                                      padding: EdgeInsets.all(5),
                                      child: Text(
                                          FilteredList[index]
                                                  .height
                                                  .toString()
                                                  .toUpperCase() +
                                              '  ft',
                                          style: valuesTextStyle()),
                                    )
                                  ],
                                ),
                                Row(
                                  mainAxisAlignment: MainAxisAlignment.start,
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    Image(
                                        image: const AssetImage(
                                            'images/weight.png'),
                                        height: 25,
                                        width: 25,
                                        fit: BoxFit.fill),
                                    Padding(
                                      padding: EdgeInsets.all(5),
                                      child: Text(
                                          FilteredList[index]
                                                  .weight
                                                  .toString()
                                                  .toUpperCase() +
                                              '  Kgs',
                                          style: valuesTextStyle()),
                                    )
                                  ],
                                ),
                                Row(
                                  mainAxisAlignment: MainAxisAlignment.start,
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    Image(
                                        image:
                                            const AssetImage('images/date.png'),
                                        height: 25,
                                        width: 25,
                                        fit: BoxFit.fill),
                                    Padding(
                                      padding: EdgeInsets.all(5),
                                      child: Text(
                                          FilteredList[index]
                                              .displayDate
                                              .toString()
                                              .toUpperCase(),
                                          style: valuesTextStyle()),
                                    )
                                  ],
                                ),
                                Row(
                                  mainAxisAlignment: MainAxisAlignment.start,
                                  crossAxisAlignment: CrossAxisAlignment.start,
                                  children: [
                                    Image(
                                        image: const AssetImage(
                                            'images/weight.png'),
                                        height: 25,
                                        width: 25,
                                        fit: BoxFit.fill),
                                    Padding(
                                      padding: EdgeInsets.all(5),
                                      child: Text(
                                          FilteredList[index]
                                              .bmiValue
                                              .toString()
                                              .toUpperCase(),
                                          style: valuesTextStyle()),
                                    )
                                  ],
                                ),
                              ],
                            ),
                          ),
                        ],
                      ),
                    ),
                  );
                })),
      ]);
    } else {
      return Center(
          child: Padding(
        padding: EdgeInsets.fromLTRB(0, 40, 0, 0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            SizedBox(
              height: MediaQuery.of(context).size.height * .25,
            ),
            Text('No Data'),
            SizedBox(
              height: 20,
            ),
            CircleAvatar(
              backgroundColor: primaryColor,
              radius: 40,
              child: IconButton(
                iconSize: 40,
                icon: const Icon(
                  Icons.info,
                  color: Colors.white,
                ),
                onPressed: () async {},
              ),
            )
          ],
        ),
      ));
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppSettings.appBar('Body Mass Index'),
      body: isLoading
          ? Center(
              child: CircularProgressIndicator(
                color: primaryColor,
                strokeWidth: 5.0,
              ),
            )
          : renderzUi(),
    );
  }
}