RSGDoctorApp/lib/screens/qr_reader/QR_reader_screen.dart

import 'package:barcode_scan_fix/barcode_scan.dart';
import 'package:doctor_app_flutter/config/size_config.dart';
import 'package:doctor_app_flutter/core/enum/viewstate.dart';
import 'package:doctor_app_flutter/core/model/patient_muse/PatientSearchRequestModel.dart';
import 'package:doctor_app_flutter/core/viewModel/patient_view_model.dart';
import 'package:doctor_app_flutter/core/viewModel/scan_qr_view_model.dart';
import 'package:doctor_app_flutter/util/dr_app_toast_msg.dart';
import 'package:doctor_app_flutter/util/helpers.dart';
import 'package:doctor_app_flutter/util/translations_delegate_base.dart';
import 'package:doctor_app_flutter/widgets/shared/app_scaffold_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/app_texts_widget.dart';
import 'package:doctor_app_flutter/widgets/shared/buttons/app_buttons_widget.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

import '../../routes.dart';
import '../base/base_view.dart';

Helpers helpers = Helpers();

class QrReaderScreen extends StatefulWidget {
  @override
  _QrReaderScreenState createState() => _QrReaderScreenState();
}

class _QrReaderScreenState extends State<QrReaderScreen> {
  @override
  Widget build(BuildContext context) {
    return BaseView<ScanQrViewModel>(
      builder: (_, model, w) => AppScaffold(
        baseViewModel: model,
        isShowAppBar: false,
        appBarTitle: TranslationBase.of(context).qr! + TranslationBase.of(context).reader!,
        body: Center(
          child: Container(
            margin: EdgeInsets.only(top: SizeConfig.realScreenHeight / 7),
            child: FractionallySizedBox(
              widthFactor: 0.9,
              child: ListView(
                children: [
                  AppText(
                    TranslationBase.of(context).startScanning,
                    fontSize: 18,
                    fontWeight: FontWeight.bold,
                    textAlign: TextAlign.center,
                  ),
                  SizedBox(
                    height: 7,
                  ),
                  AppText(TranslationBase.of(context).scanQrCode,
                      fontSize: 14, fontWeight: FontWeight.w400, textAlign: TextAlign.center),
                  SizedBox(
                    height: 15,
                  ),
                  Container(
                    height: 150,
                    child: Image.asset('assets/images/qr_code.png'),
                  ),
                  SizedBox(
                    height: 35,
                  ),
                  AppButton(
                    title: TranslationBase.of(context).scanQr,
                    onPressed: () {
                      _scanQrAndGetPatient(context, model);
                    },
                    icon: Image.asset('assets/images/qr_code_white.png'),
                  ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }

  _scanQrAndGetPatient(BuildContext context, ScanQrViewModel model) async {
    /// When give qr we will change this method to get data
    /// var result = await BarcodeScanner.scan();
    /// int patientID = get from qr result
    var result = await BarcodeScanner.scan();
    if (result != "") {
      List<String> listOfParams = result.split(',');
      int patientID = 0;
      if (listOfParams[1].length != 0) patientID = int.parse(listOfParams[1]);
      PatientSearchRequestModel patientSearchRequestModel = PatientSearchRequestModel(
        patientID: patientID,
      );

      await model.getInPatientList(patientSearchRequestModel, isMyInpatient: true).then((d) {
        if (model.state != ViewState.ErrorLocal) {
          if (model.inPatientList.isEmpty)
            DrAppToastMsg.showErrorToast('No patient');
          else
            Navigator.of(context).pushNamed(PATIENTS_PROFILE, arguments: {
              "patient": model.inPatientList[0],
            });
        } else {

          DrAppToastMsg.showErrorToast(model.error);
        }
      }).catchError((error) {
        Helpers.showErrorToast(error.message);
      });
    }
  }
}