PatientApp-KKUMC/lib/pages/MyAppointments/MyAppointments.dart

import 'package:diplomaticquarterapp/models/Appointments/AppoimentAllHistoryResultList.dart';
import 'package:diplomaticquarterapp/pages/MyAppointments/models/AppointmentType.dart';
import 'package:diplomaticquarterapp/pages/MyAppointments/widgets/AppointmentCardView.dart';
import 'package:diplomaticquarterapp/services/appointment_services/GetDoctorsList.dart';
import 'package:diplomaticquarterapp/uitl/app_toast.dart';
import 'package:diplomaticquarterapp/uitl/translations_delegate_base.dart';
import 'package:diplomaticquarterapp/widgets/others/app_expandable_notifier.dart';
import 'package:diplomaticquarterapp/widgets/others/app_scaffold_widget.dart';
import 'package:flutter/material.dart';
import 'package:smart_progress_bar/smart_progress_bar.dart';

class MyAppointments extends StatefulWidget {
  List<AppoitmentAllHistoryResultList> appoList = [];

  List<AppoitmentAllHistoryResultList> bookedAppoList = [];
  List<AppoitmentAllHistoryResultList> confirmedAppoList = [];
  List<AppoitmentAllHistoryResultList> arrivedAppoList = [];

  List<PatientAppointmentList> _patientBookedAppointmentListHospital = List();

  List<PatientAppointmentList> _patientConfirmedAppointmentListHospital =
      List();

  List<PatientAppointmentList> _patientArrivedAppointmentListHospital = List();

  @override
  _MyAppointmentsState createState() => _MyAppointmentsState();
}

class _MyAppointmentsState extends State<MyAppointments>
    with SingleTickerProviderStateMixin {
  TabController _tabController;

  bool isDataLoaded = false;

  @override
  void initState() {
    _tabController = new TabController(length: 3, vsync: this);
    WidgetsBinding.instance
        .addPostFrameCallback((_) => getPatientAppointmentHistory());
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return AppScaffold(
      appBarTitle: TranslationBase.of(context).myAppointments,
      isShowAppBar: true,
      body: Container(
        child: Column(children: [
          TabBar(
            tabs: [
              Tab(text: TranslationBase.of(context).booked),
              Tab(text: TranslationBase.of(context).confirmed),
              Tab(text: TranslationBase.of(context).arrived),
            ],
            controller: _tabController,
          ),
          Divider(
            color: Colors.grey[600],
            thickness: 0.5,
          ),
          Expanded(
            child: new TabBarView(
              physics: NeverScrollableScrollPhysics(),
              children: [
                isDataLoaded ? getBookedAppointments() : Container(),
                isDataLoaded ? getConfirmedAppointments() : Container(),
                isDataLoaded ? getArrivedAppointments() : Container()
              ],
              controller: _tabController,
            ),
          ),
        ]),
      ),
    );
  }

  getPatientAppointmentHistory() {
    DoctorsListService service = new DoctorsListService();
    widget.appoList.clear();
    widget.bookedAppoList.clear();
    widget.confirmedAppoList.clear();
    widget.arrivedAppoList.clear();
    service.getPatientAppointmentHistory(false, context).then((res) {
      print(res['AppoimentAllHistoryResultList'].length);
      if (res['MessageStatus'] == 1) {
        setState(() {
          if (res['AppoimentAllHistoryResultList'].length != 0) {
            res['AppoimentAllHistoryResultList'].forEach((v) {
              widget.appoList
                  .add(new AppoitmentAllHistoryResultList.fromJson(v));
            });
            sortAppointmentList();
            openAppointmentsTab();
            isDataLoaded = true;
          } else {}
        });
      } else {
        AppToast.showErrorToast(message: res['ErrorEndUserMessage']);
      }
    }).catchError((err) {
      print(err);
    }).showProgressBar(
        text: "Loading", backgroundColor: Colors.blue.withOpacity(0.6));
  }

  bool isConfirmed(AppoitmentAllHistoryResultList appo) {
    return AppointmentType.isConfirmed(appo);
  }

  bool isArrived(AppoitmentAllHistoryResultList appo) {
    return AppointmentType.isArrived(appo);
  }

  bool isBooked(AppoitmentAllHistoryResultList appo) {
    return AppointmentType.isBooked(appo);
  }

  sortAppointmentList() {
    widget.appoList.forEach((v) {
      if (isBooked(v)) {
        widget.bookedAppoList.add(v);
      }

      if (isConfirmed(v)) {
        widget.confirmedAppoList.add(v);
      }

      if (isArrived(v)) {
        widget.arrivedAppoList.add(v);
      }
    });

    widget.bookedAppoList.forEach((element) {
      List<PatientAppointmentList> doctorByHospital =
          widget._patientBookedAppointmentListHospital
              .where(
                (elementClinic) =>
                    elementClinic.filterName == element.clinicName,
              )
              .toList();

      if (doctorByHospital.length != 0) {
        widget
            ._patientBookedAppointmentListHospital[widget
                ._patientBookedAppointmentListHospital
                .indexOf(doctorByHospital[0])]
            .patientDoctorAppointmentList
            .add(element);
      } else {
        widget._patientBookedAppointmentListHospital.add(PatientAppointmentList(
            filterName: element.clinicName, patientDoctorAppointment: element));
      }
    });

    widget.confirmedAppoList.forEach((element) {
      List<PatientAppointmentList> doctorByHospital =
          widget._patientConfirmedAppointmentListHospital
              .where(
                (elementClinic) =>
                    elementClinic.filterName == element.clinicName,
              )
              .toList();

      if (doctorByHospital.length != 0) {
        widget
            ._patientConfirmedAppointmentListHospital[widget
                ._patientConfirmedAppointmentListHospital
                .indexOf(doctorByHospital[0])]
            .patientDoctorAppointmentList
            .add(element);
      } else {
        widget._patientConfirmedAppointmentListHospital.add(
            PatientAppointmentList(
                filterName: element.clinicName,
                patientDoctorAppointment: element));
      }
    });

    widget.arrivedAppoList.forEach((element) {
      List<PatientAppointmentList> doctorByHospital =
          widget._patientArrivedAppointmentListHospital
              .where(
                (elementClinic) =>
                    elementClinic.filterName == element.clinicName,
              )
              .toList();

      if (doctorByHospital.length != 0) {
        widget
            ._patientArrivedAppointmentListHospital[widget
                ._patientArrivedAppointmentListHospital
                .indexOf(doctorByHospital[0])]
            .patientDoctorAppointmentList
            .add(element);
      } else {
        widget._patientArrivedAppointmentListHospital.add(
            PatientAppointmentList(
                filterName: element.clinicName,
                patientDoctorAppointment: element));
      }
    });
  }

  openAppointmentsTab() {
    if (widget.bookedAppoList.length != 0) {
      _tabController.index = 0;
    } else if (widget.confirmedAppoList.length != 0) {
      _tabController.index = 1;
    } else if (widget.arrivedAppoList.length != 0) {
      _tabController.index = 2;
      return;
    }
  }

  Widget getBookedAppointments() {
    return Container(
      child: widget.bookedAppoList.length != 0
          ? new ListView.builder(
              itemCount: widget.bookedAppoList.length,
              itemBuilder: (context, i) {
                return AppointmentCard(
                  appo: widget.bookedAppoList[i],
                  onReloadAppointmentHistory: getPatientAppointmentHistory,
                );
              },
            )
          : Container(
              child: Center(
                child: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  crossAxisAlignment: CrossAxisAlignment.center,
                  children: <Widget>[
                    Image.asset(
                        "assets/images/new-design/noAppointmentIcon.png"),
                    Container(
                      margin: EdgeInsets.only(top: 10.0),
                      child: Text(TranslationBase.of(context).noBookedAppointments,
                          style: TextStyle(
                            fontSize: 16.0,
                          )),
                    ),
                  ],
      margin: EdgeInsets.only(top: 10.0),
      child: Container(
        child: widget.bookedAppoList.length != 0
            ? SingleChildScrollView(
                physics: BouncingScrollPhysics(),
                child: Column(
                  children: <Widget>[
                    ...List.generate(
                      widget._patientBookedAppointmentListHospital.length,
                      (index) => AppExpandableNotifier(
                          title: widget
                              ._patientBookedAppointmentListHospital[index]
                              .filterName,
                          bodyWidget: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                            children: widget
                                ._patientBookedAppointmentListHospital[index]
                                .patientDoctorAppointmentList
                                .map((doctor) {
                              return AppointmentCard(
                                appo: doctor,
                                onReloadAppointmentHistory:
                                    getPatientAppointmentHistory,
                              );
                            }).toList(),
                          )),
                    )
                  ],
                ),
              )
            : Container(
                child: Center(
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: <Widget>[
                      Image.asset(
                          "assets/images/new-design/noAppointmentIcon.png"),
                      Container(
                        margin: EdgeInsets.only(top: 10.0),
                        child: Text("No Booked Appointments",
                            style: TextStyle(
                              fontSize: 16.0,
                            )),
                      ),
                    ],
                  ),
                ),
              ),
      ),
    );
  }

  Widget getConfirmedAppointments() {
    return widget.confirmedAppoList.length != 0
        ? Container(
            margin: EdgeInsets.only(top: 10.0),
            child: SingleChildScrollView(
              physics: BouncingScrollPhysics(),
              child: Column(
                children: <Widget>[
                  ...List.generate(
                    widget._patientConfirmedAppointmentListHospital.length,
                    (index) => AppExpandableNotifier(
                        title: widget
                            ._patientConfirmedAppointmentListHospital[index]
                            .filterName,
                        bodyWidget: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: widget
                              ._patientConfirmedAppointmentListHospital[index]
                              .patientDoctorAppointmentList
                              .map((doctor) {
                            return AppointmentCard(
                              appo: doctor,
                              onReloadAppointmentHistory:
                                  getPatientAppointmentHistory,
                            );
                          }).toList(),
                        )),
                  )
                ],
              ),
            ),
          )
        : Container(
            child: Center(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: <Widget>[
                  Image.asset("assets/images/new-design/noAppointmentIcon.png"),
                  Container(
                    margin: EdgeInsets.only(top: 10.0),
                    child: Text(TranslationBase.of(context).noConfirmedAppointments ,
                        style: TextStyle(
                          fontSize: 16.0,
                        )),
                  ),
                ],
              ),
            ),
          );
  }

  Widget getArrivedAppointments() {
    return widget.arrivedAppoList.length != 0
        ? Container(
            margin: EdgeInsets.only(top: 10.0),
            child: SingleChildScrollView(
              physics: BouncingScrollPhysics(),
              child: Column(
                children: <Widget>[
                  ...List.generate(
                    widget._patientArrivedAppointmentListHospital.length,
                    (index) => AppExpandableNotifier(
                        title: widget
                            ._patientArrivedAppointmentListHospital[index]
                            .filterName,
                        bodyWidget: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: widget
                              ._patientArrivedAppointmentListHospital[index]
                              .patientDoctorAppointmentList
                              .map((doctor) {
                            return AppointmentCard(
                              appo: doctor,
                              onReloadAppointmentHistory:
                                  getPatientAppointmentHistory,
                            );
                          }).toList(),
                        )),
                  )
                ],
              ),
            ),
          )
//    Container(
//            child: new ListView.builder(
//              itemCount: widget.arrivedAppoList.length,
//              itemBuilder: (context, i) {
//                return AppointmentCard(
//                  appo: widget.arrivedAppoList[i],
//                  onReloadAppointmentHistory: getPatientAppointmentHistory,
//                );
//              },
//            ),
//          )
        : Container(
            child: Center(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: <Widget>[
                  Image.asset("assets/images/new-design/noAppointmentIcon.png"),
                  Container(
                    margin: EdgeInsets.only(top: 10.0),
                    child: Text(TranslationBase.of(context).noArrivedAppointments,
                        style: TextStyle(
                          fontSize: 16.0,
                        )),
                  ),
                ],
              ),
            ),
          );
  }
}