doctor_app_flutter/lib/providers/schedule_provider.dart

import 'dart:convert';

import 'package:doctor_app_flutter/config/config.dart';
import 'package:doctor_app_flutter/util/helpers.dart';
import 'package:flutter/cupertino.dart';
import 'package:http/http.dart';
import 'package:http_interceptor/http_client_with_interceptor.dart';

import '../interceptor/http_interceptor.dart';
import '../models/list_doctor_working_hours_table_model.dart';
import '../models/ScheduleRequest.dart';

class ScheduleProvider with ChangeNotifier {
  Client client =
      HttpClientWithInterceptor.build(interceptors: [HttpInterceptor()]);

  List<ListDoctorWorkingHoursTable> listDoctorWorkingHoursTable = [];
  bool isLoading = true;
  bool isError = false;
  String error = '';
  ScheduleRequest scheduleRequest = ScheduleRequest(
      15,
      1,
      70907,
      7,
      2,
      '2020-04-22T11:25:57.640Z',
      '11.11.11.11',
      1.2,
      9,
      '2lMDFT8U+Uy5jxRzCO8n2w==',
      'vV6tg9yyVJ222',
      true,
      false,
      1);

  ScheduleProvider() {
    geDoctorSchedule();
  }

  geDoctorSchedule() async {
    const url = BASE_URL + 'Doctors.svc/REST/GetDoctorWorkingHoursTable';
    try {
      if (await Helpers.checkConnection()) {
        final response = await client.post(url, body: json.encode(scheduleRequest.toJson()));
        final int statusCode = response.statusCode;
        if (statusCode < 200 || statusCode >= 400 || json == null) {
          isLoading = false;
          isError = true;
          error = 'Error While Fetching data';
        } else {
          var parsed = json.decode(response.body.toString());
          parsed['List_DoctorWorkingHoursTable'].forEach((v) {
            listDoctorWorkingHoursTable
                .add(new ListDoctorWorkingHoursTable.fromJson(v));
          });
          isError = false;
          isLoading = false;
        }
      } else {
        isLoading = false;
        isError = true;
        error = 'Please Check The Internet Connection';
      }
      notifyListeners();
    } catch (error) {
      throw error;
    }
  }
}