doctor_app_flutter/lib/providers/patients_provider.dart

import 'dart:convert';

import 'package:doctor_app_flutter/models/patient/lab_orders_res_model.dart';
import 'package:doctor_app_flutter/models/patient/patiant_info_model.dart';
import 'package:doctor_app_flutter/models/patient/prescription_req_model.dart';
import 'package:doctor_app_flutter/models/patient/prescription_res_model.dart';
import 'package:doctor_app_flutter/models/patient/radiology_res_model.dart';
import 'package:flutter/cupertino.dart';
import 'package:http/http.dart';
import 'package:http_interceptor/http_client_with_interceptor.dart';

import '../config/config.dart';
import '../interceptor/http_interceptor.dart';
import '../models/patient/patient_model.dart';
import '../models/patient/vital_sign_res_model.dart';

import '../util/helpers.dart';

const GET_PATIENT_VITAL_SIGN =
    BASE_URL + 'Doctors.svc/REST/Doctor_GetPatientVitalSign';
const GET_PATIENT_LAB_OREDERS =
    BASE_URL + 'DoctorApplication.svc/REST/GetPatientLabOreders';
const GET_PRESCRIPTION = BASE_URL + 'Patients.svc/REST/GetPrescriptionApptList';
const GET_RADIOLOGY =
    BASE_URL + 'DoctorApplication.svc/REST/GetPatientRadResult';

class PatientsProvider with ChangeNotifier {
  bool isLoading = false;
  bool isError = false;
  String error = '';
  List<VitalSignResModel> patientVitalSignList = [];
  List<LabOrdersResModel> patientLabResultOrdersList = [];
  List<PrescriptionResModel> patientPrescriptionsList = [];
  List<RadiologyResModel> patientRadiologyList = [];

  Client client =
      HttpClientWithInterceptor.build(interceptors: [HttpInterceptor()]);

  PatiantInformtion _selectedPatient;

  Future<Map> getPatientList(PatientModel patient, patientType) async {
    /* const url =
        BASE_URL+'DoctorApplication.svc/REST/GetMyInPatient';*/
    // var srvicePatiant = ["GetMyOutPatient", "GetMyInPatient", "GtMyDischargePatient","GtMyReferredPatient","GtMyDischargeReferralPatient","GtMyTomorrowPatient","GtMyReferralPatient"];
    // print("a=SERVICES_PATIANT[patientType]========='=======a");
    int val = int.parse(patientType);
    final url =BASE_URL+"DoctorApplication.svc/REST/"+ SERVICES_PATIANT[val];///"https://uat.hmgwebservices.com/Services/Doctors.svc/REST/";
        //BASE_URL + 'DoctorApplication.svc/REST/' + SERVICES_PATIANT[val];
    //  print("a===========$url=======a");

    try {
      final response = await client.post(url,
          body: json.encode({
            "ProjectID": patient.ProjectID,
            "ClinicID": patient.ClinicID,
            "DoctorID": patient.DoctorID,
            "FirstName": patient.FirstName,
            "MiddleName": patient.MiddleName,
            "LastName": patient.LastName,
            "PatientMobileNumber": patient.PatientMobileNumber,
            "PatientIdentificationID": patient.PatientIdentificationID,
            "PatientID": patient.PatientID,
            "From": patient.From,
            "To": patient.To,
            "LanguageID": patient.LanguageID,
            "stamp": patient.stamp,
            "IPAdress": patient.IPAdress,
            "VersionID": patient.VersionID,
            "Channel": patient.Channel,
            "TokenID": patient.TokenID,
            "SessionID": patient.SessionID,
            "IsLoginForDoctorApp": patient.IsLoginForDoctorApp,
            "PatientOutSA": patient.PatientOutSA
          }));
//**********************
//***********************

      return Future.value(json.decode(response.body));
    } catch (error) {
      throw error;
    }
  }

  setBasicData() {
    isLoading = true;
    isError = false;
    error = '';
    notifyListeners();
  }

/* 
 *@author: Elham Rababah 
 *@Date:27/4/2020  
 *@param: patient
 *@return:
 *@desc:   getPatientVitalSign
 */
  getPatientVitalSign(patient) async {
    setBasicData();

    try {
      if (await Helpers.checkConnection()) {
        final response = await client.post(GET_PATIENT_VITAL_SIGN,
            body: json.encode(patient));
        final int statusCode = response.statusCode;
        isLoading = false;

        if (statusCode < 200 || statusCode >= 400 || json == null) {
          isError = true;
          error = 'Error While Fetching data';
        } else {
          var res = json.decode(response.body);
          print('$res');
          if (res['MessageStatus'] == 1) {
            patientVitalSignList = [];
            res['List_DoctorPatientVitalSign'].forEach((v) {
              patientVitalSignList.add(new VitalSignResModel.fromJson(v));
            });
            // patientVitalSignList = res['List_DoctorPatientVitalSign'];
          } else {
            isError = true;
            error = res['ErrorMessage'] ?? res['ErrorEndUserMessage'];
          }
        }
      } else {
        isLoading = false;
        isError = true;
        error = 'Please Check The Internet Connection';
      }
      notifyListeners();
    } catch (error) {
      throw error;
    }
  }

  PatiantInformtion getSelectedPatient() {
    return _selectedPatient;
  }

  setSelectedPatient(PatiantInformtion patient) {
    // return _selectedPatient;
    _selectedPatient = patient;
  }

/*@author: Elham Rababah 
 *@Date:27/4/2020  
 *@param: patient
 *@return:
 *@desc:   getLabResult Orders
 */
  getLabResultOrders(patient) async {
    // isLoading = true;
    // notifyListeners();
    setBasicData();

    try {
      if (await Helpers.checkConnection()) {
        final response = await client.post(GET_PATIENT_LAB_OREDERS,
            body: json.encode(patient));
        final int statusCode = response.statusCode;
        isLoading = false;

        if (statusCode < 200 || statusCode >= 400 || json == null) {
          isError = true;
          error = 'Error While Fetching data';
        } else {
          var res = json.decode(response.body);
          print('$res');
          if (res['MessageStatus'] == 1) {
            patientLabResultOrdersList = [];
            print("res['List_GetLabOreders']");
            res['List_GetLabOreders'].forEach((v) {
              patientLabResultOrdersList.add(new LabOrdersResModel.fromJson(v));
            });
          } else {
            isError = true;
            error = res['ErrorMessage'] ?? res['ErrorEndUserMessage'];
          }
        }
      } else {
        isLoading = false;
        isError = true;
        error = 'Please Check The Internet Connection';
      }
      notifyListeners();
    } catch (error) {
      throw error;
    }
  }

/*@author: Elham Rababah 
 *@Date:3/5/2020  
 *@param: patient
 *@return:
 *@desc:   getPatientPrescriptions
 */
  getPatientPrescriptions(patient) async {
    // isLoading = true;
    // notifyListeners();
    setBasicData();

    try {
      if (await Helpers.checkConnection()) {
        final response =
            await client.post(GET_PRESCRIPTION, body: json.encode(patient));
        final int statusCode = response.statusCode;
        isLoading = false;

        if (statusCode < 200 || statusCode >= 400 || json == null) {
          isError = true;
          error = 'Error While Fetching data';
        } else {
          var res = json.decode(response.body);
          print('$res');
          if (res['MessageStatus'] == 1) {
            patientPrescriptionsList = [];
            print("res['PatientPrescriptionList']");
            res['PatientPrescriptionList'].forEach((v) {
              patientPrescriptionsList
                  .add(new PrescriptionResModel.fromJson(v));
            });
          } else {
            isError = true;
            error = res['ErrorMessage'] ?? res['ErrorEndUserMessage'];
          }
        }
      } else {
        isLoading = false;
        isError = true;
        error = 'Please Check The Internet Connection';
      }
      notifyListeners();
    } catch (error) {
      throw error;
    }
  }

/*@author: Elham Rababah 
 *@Date:3/5/2020  
 *@param: patient
 *@return:
 *@desc:   getPatientRadiology
 */
  getPatientRadiology(patient) async {
    // isLoading = true;
    // notifyListeners();
    setBasicData();
    try {
      if (await Helpers.checkConnection()) {
        final response =
            await client.post(GET_RADIOLOGY, body: json.encode(patient));
        final int statusCode = response.statusCode;
        isLoading = false;

        if (statusCode < 200 || statusCode >= 400 || json == null) {
          isError = true;
          error = 'Error While Fetching data';
        } else {
          var res = json.decode(response.body);
          print('$res');
          if (res['MessageStatus'] == 1) {
            patientRadiologyList = [];
            print("res['List_GetRadOreders']");
            res['List_GetRadOreders'].forEach((v) {
              patientRadiologyList.add(new RadiologyResModel.fromJson(v));
            });
          } else {
            isError = true;
            error = res['ErrorMessage'] ?? res['ErrorEndUserMessage'];
          }
        }
      } else {
        isLoading = false;
        isError = true;
        error = 'Please Check The Internet Connection';
      }
      notifyListeners();
    } catch (error) {
      throw error;
    }
  }
}