RSGDoctorApp/lib/screens/medicine/pharmacies_list_screen.dart

import 'package:doctor_app_flutter/config/size_config.dart';
import 'package:doctor_app_flutter/models/pharmacies_List_request_model.dart';
import 'package:doctor_app_flutter/providers/medicine_provider.dart';
import 'package:doctor_app_flutter/util/dr_app_shared_pref.dart';
import 'package:doctor_app_flutter/util/helpers.dart';
import 'package:doctor_app_flutter/widgets/medicine/medicine_item_widget.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/rounded_container_widget.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

DrAppSharedPreferances sharedPref = DrAppSharedPreferances();

class PharmaciesListScreen extends StatefulWidget {
  final int itemID;

  // In the constructor, require a item id.
  PharmaciesListScreen({Key key, @required this.itemID}) : super(key: key);

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

class _PharmaciesListState extends State<PharmaciesListScreen> {
  var data;
  Helpers helpers = new Helpers();

  var _pharmaciesModel = PharmaciesListRequestModel(
      IsLoginForDoctorApp: true,
      PatientOutSA: false,
      PatientTypeID: 1,
      LanguageID: 2,
      IPAdress: "11.11.11.11",
      VersionID: 1.2,
      TokenID: "2Fi7HoIHB0eDyekVa6tCJg==",
      stamp: "2020-04-23T21:01:21.492Z",
      Channel: 9,
      SessionID: "e29zoooEJ4");

  @override
  Widget build(BuildContext context) {
    return ChangeNotifierProvider(
        create: (context) => MedicineProvider(), 
        //change builder to create
        child: Consumer<MedicineProvider>(
            builder: (context, provider, child) => AppScaffold(
                appBarTitle: "Pharmacies List",
                body: Column(
                  children: <Widget>[
                    RoundedContainer(
                        child: Column(
                      mainAxisAlignment: MainAxisAlignment.start,
                      crossAxisAlignment: CrossAxisAlignment.stretch,
                      children: <Widget>[
                        AppText(
                          "Description",
                          margin: 10,
                          fontWeight: FontWeight.bold,
                        ),
                        AppText(
                          "ItemDescription",
                          marginLeft: 10,
                          marginTop: 0,
                          marginRight: 10,
                          marginBottom: 10,
                        ),
                        AppText(
                          "Price",
                          margin: 10,
                          fontWeight: FontWeight.bold,
                        ),
                        AppText("SellingPrice",
                          marginLeft: 10,
                          marginTop: 0,
                          marginRight: 10,
                          marginBottom: 10,
                        ),
                      ],
                    )),
                    Container(
                        margin: EdgeInsets.all(SizeConfig.widthMultiplier * 5),
                        child: Align(
                            alignment: Alignment.centerLeft,
                            child: AppText(
                              "You can Find it in",
                              fontWeight: FontWeight.bold,
                              fontSize: SizeConfig.textMultiplier * 3,
                            ))),
                    Expanded(
                      child: Container(
                        width: SizeConfig.screenWidth * 0.80,
                        child: ListView.builder(
                          scrollDirection: Axis.vertical,
                          shrinkWrap: true,
                          itemCount: data == null ? 0 : data.length,
                          itemBuilder: (BuildContext context, int index) {
                            return InkWell(
                              child: MedicineItemWidget(
                                label: data[index]["ItemDescription"],
                              ),
                              onTap: () {
                                //Navigator.of(context).pushNamed(PHARMACIES_LIST);
                                Navigator.push(
                                  context,
                                  MaterialPageRoute(
                                    builder: (context) => PharmaciesListScreen(
                                        itemID: data[index]["ItemID"]),
                                  ),
                                );
                              },
                            );
                          },
                        ),
                      ),
                    ),
                  ],
                )
                // RaisedButton(
                //   onPressed: () {
                //     
                //   },
                // )
                )));
  }

  pharmaciesList(context) {
    _pharmaciesModel.ItemID = widget.itemID;
    MedicineProvider medicineProvider =
                        Provider.of<MedicineProvider>(context);
    medicineProvider.getPharmaciesList(_pharmaciesModel).then((res) {
      print(res.toString());
      if (res['MessageStatus'] == 1) {
        print("ListPharmcy " + res['PharmList'].toString());
        this.setState(() {
          data = res['PharmList'];
        });

        //Navigator.of(context).pushNamed();
      } else {
        // handel error
        // widget.showCenterShortLoadingToast("watting");
        //helpers.showErrorToast(res['ErrorEndUserMessage']);
        print(res['MessageStatus'].toString());
      }
      // Navigator.of(context).pushNamed(HOME);
    }).catchError((err) {
      print('$err');
      //helpers.showErrorToast();
    });
  }
}