doctor_app_flutter/lib/screens/QR_reader_screen.dart

import 'package:barcode_scan/platform_wrapper.dart';
import 'package:doctor_app_flutter/config/shared_pref_kay.dart';
import 'package:doctor_app_flutter/config/size_config.dart';
import 'package:doctor_app_flutter/core/viewModel/patient_view_model.dart';
import 'package:doctor_app_flutter/models/patient/patiant_info_model.dart';
import 'package:doctor_app_flutter/models/patient/patient_model.dart';
import 'package:doctor_app_flutter/models/patient/topten_users_res_model.dart';
import 'package:doctor_app_flutter/util/dr_app_shared_pref.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> {
  DrAppSharedPreferances sharedPref = new DrAppSharedPreferances();

  bool isLoading = false;
  bool isError = false;
  PatientModel patient = PatientModel(
      ProjectID: 15,
      ClinicID: 0,
      DoctorID: 1485,
      FirstName: "0",
      MiddleName: "0",
      LastName: "0",
      PatientMobileNumber: "0",
      PatientIdentificationID: "0",
      PatientID: 0,
      From: "0",
      To: "0",
      LanguageID: 2,
      stamp: "2020-03-02T13:56:39.170Z",
      IPAdress: "11.11.11.11",
      VersionID: 1.2,
      Channel: 9,
      TokenID: "@dm!n",
      SessionID: "5G0yXn0Jnq",
      IsLoginForDoctorApp: true,
      PatientOutSA: false);
  List<PatiantInformtion> patientList = [];
  String error = '';

  @override
  Widget build(BuildContext context) {
    return BaseView<PatientViewModel>(
      onModelReady: (model) => model.getClinicsList(),
      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);
                    },
                    loading: isLoading,
                    icon: Image.asset('assets/images/qr_code_white.png'),
                  ),
                  isError
                      ? Container(
                          margin: EdgeInsets.only(top: 8),
                          decoration: BoxDecoration(
                            borderRadius: BorderRadius.circular(6.0),
                            color:
                                Theme.of(context).errorColor.withOpacity(0.06),
                          ),
                          padding: EdgeInsets.symmetric(
                              vertical: 8.0, horizontal: 12.0),
                          child: Row(
                            children: <Widget>[
                              Expanded(
                                  child: AppText(
                                      error ??
                                          TranslationBase.of(context)
                                              .errorMessage,
                                      color: Theme.of(context).errorColor)),
                            ],
                          ),
                        )
                      : Container(),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }

  _scanQrAndGetPatient(BuildContext context, PatientViewModel 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.rawContent != "") {
      List<String> listOfParams = result.rawContent.split(',');
      String patientType = "1";
      setState(() {
        isLoading = true;
        isError = false;
        patientList = [];
      });
      String token = await sharedPref.getString(TOKEN);
//    Map profile = await sharedPref.getObj(DOCTOR_PROFILE);
//    DoctorProfileModel doctorProfile = new DoctorProfileModel.fromJson(profile);
//    patient.PatientID = 8808;
//    patient.TokenID = token;
//    patient.setDoctorID = doctorProfile.projectID;
//    patient.setClinicID = doctorProfile.clinicID;
//    patient.setProjectID = doctorProfile.projectID;
//    Provider.of<PatientsProvider>(context, listen: false);
      patient.PatientID = 8808;
      patient.TokenID = token;
      model.getPatientList(patient, "1", isBusyLocal: true).then((response) {
        if (response['MessageStatus'] == 1) {
          switch (patientType) {
            case "0":
              if (response['List_MyOutPatient'] != null) {
                setState(() {
                  patientList =
                      ModelResponse.fromJson(response['List_MyOutPatient'])
                          .list;
                  isLoading = false;
                });
                Navigator.of(context).pushNamed(PATIENTS_PROFILE, arguments: {
                  "patient": patientList[0],
                });
              } else {
                setState(() {
                  isError = true;
                  isLoading = false;
                });
                DrAppToastMsg.showErrorToast('No patient');
              }
              break;
            case "1":
              if (response['List_MyInPatient'] != null) {
                setState(() {
                  patientList =
                      ModelResponse.fromJson(response['List_MyInPatient']).list;
                  isLoading = false;
                  error = "";
                });
                Navigator.of(context).pushNamed(PATIENTS_PROFILE, arguments: {
                  "patient": patientList[0],
                });
              } else {
                setState(() {
                  isError = true;
                  isLoading = false;
                });
                DrAppToastMsg.showErrorToast('No patient');
                break;
              }
          }
        } else {
          setState(() {
            isLoading = false;
            isError = true;
          });
          DrAppToastMsg.showErrorToast(
              response['ErrorEndUserMessage'] ?? response['ErrorMessage']);
        }
      }).catchError((error) {
        setState(() {
          isLoading = false;
        });
        helpers.showErrorToast(error.message);
        //DrAppToastMsg.showErrorToast(error);
      });
    }
  }
}