city operator code

cityoperator.dart

import 'dart:convert';
import 'package:dropdownfield/dropdownfield.dart';
import 'package:fl_chart/fl_chart.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:searchable_dropdown/searchable_dropdown.dart';
import 'package:transit/Login.dart';
import 'package:http/http.dart' as http;
import 'package:shared_preferences/shared_preferences.dart';
import 'package:transit/Performance/mainpage.dart';
import 'package:transit/Performance/pichartCityOperator.dart';
import 'package:toast/toast.dart';

import '../global.dart';

class CityOperator extends StatefulWidget {
  @override
  CityOperatorState createState() => CityOperatorState();
}

class CityOperatorState extends State<CityOperator> {
  var jsondata;
  String _city;
  String _cityOperator;
  String to;
  String from;
  var graphsresult;
  String token;
  TextEditingController _textEditingControllerFromDate =
      new TextEditingController();
  TextEditingController _textEditingControllerToDate =
      new TextEditingController();
  String endDay;
  //List dataforcities = List();
  // List dataforOperators = List();
  String cityid;
  String operatorid;
  String id;
  bool isvisible1forchart = false;
  bool isvisibleforselect = true;
  bool isvisiblefornoresults = true;
  bool isvisibleforexpanded = false;



  List dataforOperators = List();
  List<DropdownMenuItem> dataforOperatorsitems = [];
  String selectedOperator;


 // String selectedCity;
  List dataforcities = List();
  List<DropdownMenuItem> items = [];
  String selectedCity;

//  String selectedJournry;

  var onTime;
  var late;
  var early;


  bool isLoading = false;
  bool isResetOperatorDropDown = false;

  List<PieChartSectionData> _section = List<PieChartSectionData>();
  Future<String> getdataforcity() async {
    setState(() {
      isLoading = true;
    });

    SharedPreferences sharedPrefrences = await SharedPreferences.getInstance();
    token = sharedPrefrences.getString('token');
    print("object");
    Map<String, String> headers = {
      'Content-Type': 'application/json',
      "Authorization": "Bearer $token",
    };
    Uri APIURL = Uri.parse("https://portal.mytransitguru.com/api/cities");
    Map mapdata = {};
    print("json Data :$mapdata");

    http.Response response = await http.get(
      APIURL,
      headers: headers,
    );


    var jsondata = null;
    print(response.statusCode);
    if (response.statusCode == 200) {
      jsondata = json.decode(response.body);
      setState(() {
        isLoading = false;
      });
      // id = jsondata[0]['id'];
      print(jsondata.length);
      if(jsondata.length == 0){
        Toast.show("No data found", context,
            duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
      }else{
        print("nothings");
      }


      // items.add(DropdownMenuItem(
      //   child: Text("abc"),
      //   value: "cds",
      // ));
      setState(() {
        dataforcities = jsondata;
      });
      print(jsondata);
      print("${dataforcities.map((e) => e).toString()}");
      var aa = dataforcities.map((e) => e).toList();

      for (var item in aa){
        print(item);
        items.add(DropdownMenuItem(
          child: Text("${item['name'].toString()}."),
          value: "${item['name'].toString()}",
        ));
      }
      print('yes good');
    } else if (response.statusCode == 203) {
      setState(() {
        isLoading = false;
      });
      Toast.show("StatusCode is ${response.statusCode} Something Missing in Request", context,
          duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
    } else {
      setState(() {
        isLoading = false;
      });
      Toast.show("StatusCode is ${response.statusCode} Something Missing in Request", context,
          duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
      print('no no no ');
    }
  }

  @override
  void initState() {
    super.initState();
    generateData(null, null, null);

    getdataforcity();
  }

  Future<String> getDataForOperators() async {
    print("object");
    setState(() {
      isResetOperatorDropDown = true;
      isLoading = true;
    });
    Map<String, String> headers = {
      'Content-Type': 'application/json',
      "Authorization": "Bearer $token",
    };
    print(cityid);
    Uri APIURL =
        Uri.parse("https://portal.mytransitguru.com/api/cities/$cityid/operators");
    Map mapdata = {};
    print("json Data :$mapdata");

    http.Response response = await http.get(
      APIURL,
      headers: headers,
    );

    var jsondata = null;
    print(response.statusCode);
    if (response.statusCode == 200) {
      jsondata = json.decode(response.body);
      print(jsondata);
      // setState(() {
      //   isLoading = false;
      // });
      print(jsondata.length);


      setState(() {
        selectedOperator = "";
        dataforOperatorsitems = [];
        dataforOperators = jsondata;
      });

      if(dataforOperators.length == 0){
        Toast.show("No data found", context,
            duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
      }else{
        var aa = dataforOperators.map((e) => e).toList();
        for (var item in aa){
          print(item);
          dataforOperatorsitems.add(DropdownMenuItem(
            child: Text("${item['name'].toString()}."),
            value: "${item['name'].toString()}",
          ));
        }
      }
      setState(() {
        isLoading = false;
      });
      print("this " + dataforOperators.toString());
      print('yes good');
    } else if (response.statusCode == 203) {
      setState(() {
        isLoading = false;
       // isOperatorDataLoad = false;
      });
      Toast.show("StatusCode is ${response.statusCode} Something Missing in Request", context,
          duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
    } else {
      setState(() {
        isLoading = false;
      });
      Toast.show("StatusCode is ${response.statusCode} Something Missing in Request", context,
          duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
      print('no no no ');
    }
    setState(() {
      isResetOperatorDropDown = false;
    });
  }
  // List<DropdownMenuItem> items = [];

  @override
  Widget build(BuildContext context) {
    MediaQueryData _mediaQueryData;
    _mediaQueryData = MediaQuery.of(context);
    double width = _mediaQueryData.size.width;
    double height = _mediaQueryData.size.height;
    return SafeArea(
      child: Scaffold(
        backgroundColor: Color(0xFFFDFDFD),
        body: Stack(
          children: [
            SingleChildScrollView(
              child: Column(children: [
                Container(
                  decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(10),
                      border: Border.all(color: Colors.white30),
                      color: Colors.white,
                      boxShadow: [
                        BoxShadow(
                          color: Colors.grey.withOpacity(0.1),
                          spreadRadius: 0,
                          blurRadius: 7,
                          offset: Offset(0, .01), // changes position of shadow
                        ),
                      ]),
                  width: width,
                  height: height / 8,
                  child: Column(
                    children: [
                      SizedBox(
                        height: 30,
                      ),
                      Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: [
                          Padding(
                            padding: const EdgeInsets.only(left: 15.0),
                            child: Text(
                              "PEROFORMANCE",
                              style: TextStyle(
                                  fontSize: 12,
                                  letterSpacing: 1.5,
                                  color: Color(0xFFFC6011),

                                  fontWeight: FontWeight.w600),
                            ),
                          ),
                          Padding(
                            padding: const EdgeInsets.only(right: 15.0),
                            child: GestureDetector(
                              onTap: () {
                                Navigator.of(context).push(MaterialPageRoute(
                                    builder: (context) => Mainpage(currentPage : 1)));
                              },
                              child: Text(
                                "Back",
                                style: TextStyle(
                                    fontSize: 12,
                                    color: Colors.black,
                                    fontWeight: FontWeight.normal),
                              ),
                            ),
                          ),
                        ],
                      ),
                      SizedBox(
                        height: 5,
                    ),
                      Align(
                        alignment: Alignment.centerLeft,
                        child: Padding(
                          padding: const EdgeInsets.only(left: 15.0),
                          child: Text(
                            "City Operator",
                            style: TextStyle(
                                fontSize: 27, fontWeight: FontWeight.bold),
                          ),
                        ),
                      ),
                    ],
                  ),
                ),
                SizedBox(
                  height: height / 25,
                ),
                Container(
                  child: Column(
                    children: [
                      Visibility(
                        visible: isvisibleforselect,
                        child: Center(
                          child: Container(
                            decoration: BoxDecoration(
                                borderRadius: BorderRadius.circular(10),
                                border: Border.all(color: Colors.white30),
                                color: Colors.white,
                                boxShadow: [
                                  BoxShadow(
                                    color: Colors.grey.withOpacity(0.1),
                                    spreadRadius: 0,
                                    blurRadius: 7,
                                    offset: Offset(
                                        0, .01), // changes position of shadow
                                  ),
                                ]),
                            width: width * .9,
                            child: Column(
                              children: [
                                Center(
                                  child: Container(
                                    width: width * 1,
                                    child: Padding(
                                      padding: const EdgeInsets.only(left: 0.0),
                                      child: InkWell(

                                        onTap: () async {
                                       // DropdownMenuItem(value: ,)
                                        },
                                        child: Container(
                                          //height: 70,
                                         // width: Responsive.width(100, context),
                                          color: Colors.white,
                                          child : SearchableDropdown.single(
                                            items: items,
                                            value: selectedCity,
                                            hint: Padding(
                                              padding: const EdgeInsets.only(top:15.0, bottom: 15.0),
                                              child: Text("Select City"),
                                            ),
                                            searchHint: "Select City",
                                            onChanged: (value) {
                                              setState(() {
                                                cityid = dataforcities.where((i) => i['name'].toString() == value).first['id'];
                                                print(value);
                                                print(cityid);
                                                selectedCity = value;
                                              });
                                              getDataForOperators();
                                            },
                                            isExpanded: true,
                                          ),
                                        ),
                                      ),
                                    ),
                                  ),
                                ),
                                 
                                Center(
                                  child: Container(
                                    width: width * 1,


                                        child: isResetOperatorDropDown ? defaultDropdwon("Operator") :  Container(
                                          //height: 70,
                                          // width: Responsive.width(100, context),
                                          color: Colors.white,
                                          child : SearchableDropdown.single(
                                            items: dataforOperatorsitems,
                                            value: selectedOperator,
                                            hint: Padding(
                                              padding: const EdgeInsets.only(top:15.0, bottom: 15.0,),
                                              child: Text("Select Operator"),
                                            ),
                                            searchHint: "Select Operator",
                                            onChanged: (value) {
                                              setState(() {
                                                operatorid = dataforOperators.where((i) => i['name'].toString() == value).first['id'];
                                                print(value);
                                                print(operatorid);
                                                selectedOperator = value;
                                              });
                                            },
                                            isExpanded: true,
                                          ),
                                        ),
                                      ),
                                    ),

                                Padding(
                                  padding: const EdgeInsets.only(left: 8.0,top: 8),
                                  child: TextFormField(
                                    controller: _textEditingControllerFromDate,
                                    readOnly: true,

                                    decoration: InputDecoration(
                                      hintText: " From",
                                      suffixIcon: IconButton(
                                        onPressed: () => print(DatepickerFrom(
                                            context,
                                            _textEditingControllerFromDate)),
                                        icon:  new Image.asset("images/CalenderIcon.png"),
                                      ),
                                    ),
                                  ),
                                ),
                                Padding(
                                  padding: const EdgeInsets.only(left: 8.0,top: 8),
                                  child: TextFormField(
                                    controller: _textEditingControllerToDate,
                                    readOnly: true,
                                    decoration: InputDecoration(
                                      hintText: " To",
                                      suffixIcon: IconButton(
                                        onPressed: () => print(DatepickerTo(
                                            context, _textEditingControllerToDate)),
                                        icon:  new Image.asset("images/CalenderIcon.png"),
                                      ),
                                    ),
                                  ),
                                ),
                                SizedBox(
                                  height: height / 55,
                                ),
                                Align(
                                  alignment: Alignment.centerRight,
                                  child: Padding(
                                    padding: const EdgeInsets.only(right: 8.0),
                                    child: TextButton(
                                      child: Padding(
                                        padding: const EdgeInsets.fromLTRB(
                                            15.0, 0, 15, 0),
                                        child: Text("Generate",
                                          style: TextStyle(color: Colors.white, fontSize: 18),
                                        ),
                                      ),
                                      onPressed: () async {
                                        chartCityOperator();
                                        // Navigator.push(
                                        //     context,
                                        //     MaterialPageRoute(
                                        //         builder: (context) =>
                                        //             ChartforCityOperator(
                                        //               jsondata: graphsresult,
                                        //             )));
                                        setState(() {
                                          isvisible1forchart = true;
                                          isvisibleforselect = false;
                                          isvisiblefornoresults = false;
                                          isvisibleforexpanded = true;
                                        });
                                      },

                                      style: ButtonStyle(

                                        backgroundColor:
                                            MaterialStateProperty.all<Color>(
                                                Colors.deepOrangeAccent),
                                        foregroundColor:
                                            MaterialStateProperty.all<Color>(
                                                Colors.white),
                                      ),

                                      //    style,: RoundedRectangleBorder(
                                      //      borderRadius: new BorderRadius.circular(10.0)
                                      // )
                                    ),
                                  ),
                                )
                              ],
                            ),
                          ),
                        ),
                      ),
                      SizedBox(height: height / 100),
                      Visibility(
                        visible: isvisiblefornoresults,
                        child: Center(
                          child: Container(
                            decoration: BoxDecoration(
                                borderRadius: BorderRadius.circular(10),
                                border: Border.all(color: Colors.white30),
                                color: Colors.white,
                                boxShadow: [
                                  BoxShadow(
                                    color: Colors.grey.withOpacity(0.1),
                                    spreadRadius: 0,
                                    blurRadius: 7,
                                    offset: Offset(
                                        0, .01), // changes position of shadow
                                  ),
                                ]),
                            child: Align(
                              alignment: Alignment.center,
                              child: Text(
                                "No Results Found",
                                style: TextStyle(color: Colors.grey, fontSize: 22),
                              ),
                            ),
                            width: width * .9,
                            height: height / 2,
                          ),
                        ),
                      ),
                      Visibility(
                        visible: isvisibleforexpanded,
                        child: Container(
                          child: Container(
                            decoration: BoxDecoration(
                                borderRadius: BorderRadius.circular(10),
                                border: Border.all(color: Colors.white30),
                                color: Colors.white,
                                boxShadow: [
                                  BoxShadow(
                                    color: Colors.grey.withOpacity(0.5),
                                    spreadRadius: 2,
                                    blurRadius: 7,
                                    offset:
                                        Offset(0, 3), // changes position of shadow
                                  ),
                                ]),
                            width: width * .9,
                            height: height / 12,
                            child: Row(
                              mainAxisAlignment: MainAxisAlignment.spaceBetween,
                              children: [
                                Padding(
                                  padding: const EdgeInsets.only(left: 15.0),
                                  child: Text(
                                    "City Operator Form",
                                    style: TextStyle(fontSize: 17),
                                  ),
                                ),
                                Padding(
                                  padding: const EdgeInsets.only(right: 15.0),
                                  child: InkWell(
                                    child: Image.asset(
                                      'images/expanded.png',
                                    ),
                                    onTap: () {
                                      setState(() {
                                        isvisible1forchart = true;
                                        isvisibleforselect = true;
                                        isvisiblefornoresults = false;
                                        isvisibleforexpanded = false;
                                      });
                                    },
                                  ),
                                ),
                              ],
                            ),
                          ),
                        ),
                      ),
                      SizedBox(
                        height: 10,
                      ),
                      Visibility(
                        visible: isvisible1forchart,
                        child: Column(
                          children: [
                            //till here

                            Container(
                                child: AspectRatio(
                              aspectRatio: 1,
                              child: FlChart(
                                chart: PieChart(PieChartData(
                                    // pieTouchData: PieTouchData(touchCallback: (pieTouchResponse) {
                                    //   setState(() {
                                    //     final desiredTouch = pieTouchResponse.touchInput is! PointerExitEvent &&
                                    //         pieTouchResponse.touchInput is! PointerUpEvent;
                                    //     if (desiredTouch && pieTouchResponse.touchedSection != null) {
                                    //       touchedIndex = pieTouchResponse.touchedSection.touchedSectionIndex;
                                    //     } else {
                                    //       touchedIndex = -1;
                                    //     }
                                    //   });
                                    // }),
                                    startDegreeOffset: 180,
                                    borderData: FlBorderData(
                                      show: false,
                                    ),
                                    sectionsSpace: 8,
                                    centerSpaceRadius: 0,


                                    sections: _section)),
                              ),
                            ),
                            width: 400,
                              height: 400,
                            ),
                            Divider(
                              color: Colors.black12,
                              height: 0.5,
                              endIndent: 16,
                              indent: 16,
                            ),
                            SizedBox(
                              height: 8,
                            ),
                            Center(
                              child: Padding(
                                padding: const EdgeInsets.fromLTRB(15, 15, 30, 0),
                                child: Row(
                                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                  children: [
                                    Text("Early"),
                                    Text("On-time"),
                                    Text("Late"),
                                  ],
                                ),
                              ),
                            ),
                            Padding(
                              padding: const EdgeInsets.fromLTRB(15, 15, 15, 0),
                              child: Row(
                                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                                children: [
                                  RichText(
                                      text: TextSpan(
                                          text:jsondata!=null?  0.0.k_m_b_generator(jsondata['early']) ?? "Loading" : "Loading",
                                          style: TextStyle(
                                              color: Colors.black,
                                              fontSize: 22,
                                              fontWeight: FontWeight.bold),
                                          children: <TextSpan>[
                                            TextSpan(
                                                text:early!=null? double.parse(early.toString()).isNaN ? "${early.toString() == "NaN" ? " " +"0%" :" " +"${early.toString()}"}" : " "+" ${early.toString()}%": " "+ "0%",
                                                style: TextStyle(
                                                    color: Colors.deepOrangeAccent,
                                                    fontSize: 16))
                                          ])),
                                  RichText(
                                      text: TextSpan(
                                          text:jsondata!=null?  0.0.k_m_b_generator(jsondata['onTime']) ?? "Loading": "Loading",
                                          style: TextStyle(
                                              color: Colors.black,
                                              fontSize: 22,
                                              fontWeight: FontWeight.bold),
                                          children: <TextSpan>[
                                            TextSpan(
                                                text:onTime!=null? double.parse(onTime.toString()).isNaN ? "${onTime.toString() == "NaN" ? " " +"0%" :" " +"${onTime.toString()}"}" : " "+" ${onTime.toString()}%": " "+ "0%",
                                                style: TextStyle(
                                                    color: Colors.deepOrangeAccent,
                                                    fontSize: 16))
                                          ])),
                                  RichText(
                                      text: TextSpan(
                                          text: jsondata!=null? 0.0.k_m_b_generator(jsondata['late'])?? "Loading": "Loading",
                                          style: TextStyle(
                                              color: Colors.black,
                                              fontSize: 22,
                                              fontWeight: FontWeight.bold),
                                          children: <TextSpan>[
                                            TextSpan(
                                                text:late!=null? double.parse(late.toString()).isNaN ? "${late.toString() == "NaN" ? " " +"0%" :" " +"${late.toString()}"}" : " "+" ${late.toString()}%": " "+ "0%",
                                                style: TextStyle(
                                                    color: Colors.deepOrangeAccent,
                                                    fontSize: 16))
                                          ])),
                                ],
                              ),
                            ),
                            SizedBox(
                              height: 15,
                            ),
                            Padding(
                              padding: const EdgeInsets.fromLTRB(15, 15, 30, 0),
                              child: Row(
                                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                                children: [
                                  Text("Avg Early (Mm:Ss) "),
                                  Text("Avg Late (Mm:Ss) "),
                                ],
                              ),
                            ),
                            Padding(
                              padding: const EdgeInsets.fromLTRB(15, 15, 30, 30),
                              child: Row(
                                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                                children: [
                                  Text(
                                    jsondata == null
                                        ? "Loading"
                                        :  jsondata['avgEarlyTime'].toString(),
                                    style: TextStyle(
                                        fontSize: 20, fontWeight: FontWeight.bold),
                                  ),

                                  Text(
                                      jsondata == null
                                          ? "Loading"
                                          : jsondata['avgLateTime'].toString(),
                                      style: TextStyle(
                                          fontSize: 20,
                                          fontWeight: FontWeight.bold)),
                                ],
                              ),
                            ),
                           
                          ],
                        ),
                      ),
                    ],
                  ),
                ),
              ]),
            ),
            isLoading ? Positioned(
                top: MediaQuery.of(context).size.height/2-100,
                left: MediaQuery.of(context).size.width/2-20,
                child: spinkit):Container()
          ],
        ),
      ),
    );
  }

  generatePieChartWidgets(){

  }

  Future chartCityOperator() async {
    setState(() {
      isLoading = true;
    });
    Uri APIURL = Uri.parse(
        "https://portal.mytransitguru.com/api/performance/city-operator");

    final mapdata = {
      "cityId": cityid,
      "operatorId": operatorid,
      "startDate": from,
      "endDate": to
    };
    Map<String, String> headers = {
      'Content-Type': 'application/json',
      "Authorization": "Bearer $token",
    };
    print("json Data :$mapdata");
    http.Response response =
        await http.post(APIURL, headers: headers, body: jsonEncode(mapdata));

    // var data = jsonDecode(response.body);
    // print("Data :$data");

    if (response.statusCode == 200) {
      jsondata = json.decode(response.body);

      early =double.parse( (jsondata['early']/(jsondata['early']+jsondata['onTime']+jsondata['late'])*100).toStringAsFixed(2));
      onTime = double.parse( (jsondata['onTime']/(jsondata['early']+jsondata['onTime']+jsondata['late'])*100).toStringAsFixed(2));
      late = double.parse( (jsondata['late']/(jsondata['early']+jsondata['onTime']+jsondata['late'])*100).toStringAsFixed(2));


      generateData( jsondata['early'].toDouble(), jsondata['late'].toDouble(),jsondata['onTime'].toDouble());

      print('yes good');
      print(jsondata);
      graphsresult = jsondata;
      print("this" + graphsresult.toString());
      if(graphsresult == []){
        Toast.show("No data found", context,
            duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
      }else{

      }
      setState(() {
        isLoading = false;

      });

    } else if (response.statusCode == 406) {
      setState(() {
        isLoading = false;
      });
      Toast.show("StatusCode is ${response.statusCode} Something Missing in Request", context,
          duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
      print("Issue");
    } else {
      print('no no no ');
      Toast.show("StatusCode is ${response.statusCode} Something Missing in Request", context,
          duration: Toast.LENGTH_LONG, gravity: Toast.BOTTOM);
      setState(() {
        isLoading = false;
      });
    }
  }

  generateData(early,late,onTime){
    print(early is int);
    print(late is int);
    print(onTime is int);
    PieChartSectionData _item1 = PieChartSectionData(
        color: Colors.red,
        title:  "Late",
        value: late??30,
        radius: 120,
        titleStyle: TextStyle(color: Colors.white, fontSize: 15));
    PieChartSectionData _item2 = PieChartSectionData(
        color: Colors.blue,
        title: "Early",
        value: early?? 40,
        radius: 120,
        titleStyle: TextStyle(color: Colors.white, fontSize: 15));
    PieChartSectionData _item3 = PieChartSectionData(
        color: Colors.green,
        title: "On-time",
        value:onTime?? 30,
        radius: 120,
        titleStyle: TextStyle(color: Colors.white, fontSize: 15));
    _section = [_item1, _item2, _item3];
  }

  Future<void> DatepickerTo(context, TextEditingController controller) async {
    DateTime selectedDate = DateTime.now();
    final DateTime picked = await showDatePicker(
        context: context,
        initialDate: selectedDate,
        firstDate: DateTime(2015, 8),
        lastDate: DateTime(2101));
    if (picked != null && picked != selectedDate)
      setState(() {
        selectedDate = picked;
        to = selectedDate.toString();
      });

    controller.text = "${selectedDate.toLocal()}".split(' ')[0];
    print(selectedDate);
  }

  Future<void> DatepickerFrom(context, TextEditingController controller) async {
    DateTime selectedDate = DateTime.now();
    final DateTime picked = await showDatePicker(
        context: context,
        initialDate: selectedDate,
        firstDate: DateTime(2015, 8),
        lastDate: DateTime(2101));
    if (picked != null && picked != selectedDate)
      setState(() {
        selectedDate = picked;
        from = selectedDate.toString();
      });

    controller.text = "${selectedDate.toLocal()}".split(' ')[0];
    print(selectedDate);
  }
}


extension ExtendedDouble on double {
  String get toPercentString{
    " "+ this.toString()+"%";
  }
  String k_m_b_generator(num) {
    if (num > 999 && num < 99999) {
      return "${(num / 1000).toStringAsFixed(1)}K";
    } else if (num > 99999 && num < 999999) {
      return "${(num / 1000).toStringAsFixed(0)}K";
    } else if (num > 999999 && num < 999999999) {
      return "${(num / 1000000).toStringAsFixed(1)}M";
    } else if (num > 999999999) {
      return "${(num / 1000000000).toStringAsFixed(1)}B";
    } else {
      return num.toString();
    }
}
}