pharmacy/lib/getmedicines.dart

import 'dart:convert';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'package:healthcare_pharmacy/models/medicineview_model.dart';
import 'package:healthcare_pharmacy/settings.dart';
import 'package:flutter/services.dart';
import 'package:url_launcher/url_launcher.dart';
import 'package:cloudinary_public/cloudinary_public.dart';

class WaterSuppliers extends StatefulWidget {
  const WaterSuppliers({Key? key}) : super(key: key);

  @override
  State<WaterSuppliers> createState() => _WaterSuppliersState();
}

class _WaterSuppliersState extends State<WaterSuppliers> with TickerProviderStateMixin {
  bool isMedecineDataLoading=false;
  bool isSereverIssue = false;
  List<GetMedecineDetailsModel> medecineList = [];
  List<GetMedecineDetailsModel> FilteredList = [];

  TextEditingController searchController = TextEditingController();
  String dropdownArea = '2';
  //String dropdownType = 'Tank';

  Future<void> getSuppliersDataByMedecineName(var MedecineName) async {
    FilteredList=[];
    isMedecineDataLoading = true;


    try {
      var medecineResponse = await AppSettings.getAllMedecines(MedecineName);

      setState(() {
        medecineList =
            ((jsonDecode(medecineResponse)['medicine']) as List).map((dynamic model) {
              return GetMedecineDetailsModel(distance).fromJson(model);
            }).toList();

        FilteredList= medecineList.where(
                (x) => x.name.toLowerCase().contains(MedecineName)
        ).toList();

        //FilteredList=suppliersList.where((product) => product.supplier_phone_number.toString()==phnNum).toList();

      });

      //FilteredList=suppliersList.where((product) => product.address.toString().toUpperCase()=='SUMP').toList();


      isMedecineDataLoading = false;


    } catch (e) {
      setState(() {
        isMedecineDataLoading = false;
        isSereverIssue = true;
      });
    }
  }



  Future<void> getAllMedecineData(var distance) async {
    FilteredList=[];
    isMedecineDataLoading = true;


    try {
      var medecineResponse = await AppSettings.getAllMedecines();
      setState(() {
        medecineList =
            ((jsonDecode(medecineResponse)['medicine']) as List).map((dynamic model) {
              return GetMedecineDetailsModel.fromJson(model);
            }).toList();
        FilteredList=[];
        medecineList.forEach((element) async{
          var distanceInM;
          if(distance=='2'){
            distanceInM=2000;
          }
          else if(distance=='5'){
            distanceInM=5000;
          }
          else if(distance=='10'){
            distanceInM=10000;
          }
          else if(distance=='25'){
            distanceInM=25000;
          }
          else if(distance=='50'){
            distanceInM=50000;
          }
          else if(distance=='100'){
            distanceInM=100000;
          }
         /* double distanceInMeters =  await Geolocator.distanceBetween(element.lat,element.lng,lat,lng);
          if(distanceInMeters<=distanceInM){
            FilteredList.add(element);
          }*/
        });

        //FilteredList=suppliersList.where((product) => product.address.toString().toUpperCase()=='SUMP').toList();


        isMedecineDataLoading = false;
      });


    } catch (e) {
      setState(() {
        isMedecineDataLoading = false;
        isSereverIssue = true;
      });
    }
  }

  @override
  void initState() {
    // TODO: implement initState
    //getAllSuppliers();
    getAllMedecineData(dropdownArea);
    super.initState();
  }


  Widget _tanker() {
    if (FilteredList.length != 0) {
      return ListView.builder(
          padding: EdgeInsets.all(0),
          itemCount: FilteredList.length,
          itemBuilder: (BuildContext context, int index) {
            return GestureDetector(
              onTap: () {
               // modelBottomSheet(FilteredList[index]);
              },
              child: Card(
                child: Padding(
                  padding: EdgeInsets.fromLTRB(0,8,0,0),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.start,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Container(
                        width: MediaQuery.of(context).size.width * .18,
                        height:
                        MediaQuery.of(context).size.height * .10,
                        decoration: BoxDecoration(
                            shape: BoxShape.circle,
                            image: DecorationImage(
                                image: FilteredList[index].picture==''
                                    ?AssetImage("images/logo.png")
                                    : NetworkImage(FilteredList[index].picture) as ImageProvider, // picked file
                                fit: BoxFit.contain)),
                      ),
                      /*Container(
                        width: MediaQuery.of(context).size.width * .15,
                        height: MediaQuery.of(context).size.height * .10,
                        child: CircleAvatar(
                          child:(FilteredList[index].picture)==''
                              ? Image(image: AssetImage("images/logo.png"))
                              :  Image.network('https://storage.googleapis.com/arminta_profile_pictures/photo.jpeg'),
                        )
                      ),*/
                      SizedBox(width: 5,),
                      Expanded(
                        child: Container(
                            width: MediaQuery.of(context).size.width * .70,
                            child: Column(
                              mainAxisAlignment:
                              MainAxisAlignment.spaceBetween,
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                    FilteredList[index]
                                        .name
                                        .toUpperCase(),
                                    style: wrapTextStyleBlack()),
                                SizedBox(height: 10,),
                                Text(
                                    FilteredList[index]
                                        .manufacturers
                                        .toUpperCase(),
                                    style: wrapTextStyleBlack()),
                                Visibility(
                                  visible: FilteredList[index].name!='',
                                  child: Text(
                                      FilteredList[index]
                                          .salt_composition
                                          .toUpperCase(),
                                      style: wrapTextStyleBlack()),),
                                SizedBox(height: 10,),
                                Text(
                                    FilteredList[index]
                                        .mrp
                                        .toUpperCase(),
                                    style: wrapTextStyleBlack()),
                                Visibility(
                                  visible: FilteredList[index].primary_use!='',
                                  child: SizedBox(height: 10,),),
                                Visibility(
                                  visible: FilteredList[index].primary_use!='',
                                  child: Text(
                                      FilteredList[index]
                                          .primary_use
                                          .toUpperCase(),
                                      style: wrapTextStyleBlack()),),
                                SizedBox(height: 10,),

                              ],
                            )
                        ),
                      ),


                    ],
                  ),
                ),
              ),
            );
          });
    }
    else {
      return Center(
          child: Padding(
            padding: EdgeInsets.fromLTRB(0, 40, 0, 0),
            child: isSereverIssue
                ? Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Image(
                  image: AssetImage('images/serverissue.png'),
                  //  height: MediaQuery.of(context).size.height * .10,
                ),
                SizedBox(
                  height: 20,
                ),
                Text(
                  'There is an issue at server please try after some time',style:serverIssueTextStyle() ,),
              ],
            )
                :  userAddress==''?Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                /*Image(
                  image: AssetImage('images/resourceblue.pngs'),
                  //  height: MediaQuery.of(context).size.height * .10,
                ),*/
                Icon(Icons.location_on_outlined,color: primaryColor,size: 40,),
                SizedBox(
                  height: 20,
                ),
                Text(
                  'Please select location to see near by tankers',style:TextStyle(
                  color: primaryColor,
                  fontWeight: FontWeight.bold,
                ),),
              ],
            ):
            Column(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Image(
                  image: AssetImage('images/no_data.png'),
                  //  height: MediaQuery.of(context).size.height * .10,
                ),
                SizedBox(
                  height: 20,
                ),
                Text(
                  'No Tankers',style:serverIssueTextStyle() ,),
              ],
            ),
          ));
    }
  }




  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Medecine Details'),
        backgroundColor: primaryColor,),
      /* body: */
      body: TabBarView(controller: _controller, children: [
        Container(
          //color: Colors.purpleAccent,
          child:Column(
            children: [
              Padding(padding:EdgeInsets.all(10) ,
                child: Container(
                    height: MediaQuery.of(context).size.height * .07,
                    padding:  EdgeInsets.all(5),
                    child: Center(child: TextField(

                      cursorColor: greyColor,
                      controller: searchController,
                      keyboardType: TextInputType.number,
                      onChanged: (string) {
                        if(string.length>=1){
                          getSuppliersDataByPhnNumber(string);
                        }
                        else{
                          getAllMedecineData(dropdownArea);
                        }
                      },
                      decoration:  InputDecoration(
                        prefixIcon: Icon(
                          Icons.search,
                          color: greyColor,
                        ),
                        /*suffixIcon: Icon(
                              Icons.clear,
                              color: greyColor,
                            ),*/
                        suffixIcon: IconButton(
                          icon:  Icon(
                            Icons.clear,
                            color: greyColor,
                          ),
                          onPressed: () {
                            setState(() {
                              searchController.text='';
                            });
                            getAllMedecineData(dropdownArea);
                          },
                        ),
                        border: OutlineInputBorder(
                          borderSide: BorderSide(color: greyColor),
                          borderRadius: BorderRadius.circular(30),
                        ),
                        focusedBorder: OutlineInputBorder(
                          borderSide: BorderSide(color: greyColor),
                          borderRadius: BorderRadius.circular(30),
                        ),
                        enabledBorder: OutlineInputBorder(
                          borderSide: BorderSide(color: greyColor),
                          borderRadius: BorderRadius.circular(30),
                        ),
                        //labelText: 'Search by phone number',
                        hintText: 'Search phone number',
                        labelStyle: TextStyle(
                          color: greyColor, //<-- SEE HERE
                        ),
                      ),
                    ),)
                ),),



              Expanded(child: Container(
                child:isMedecineDataLoading
                    ? Center(
                  child: CircularProgressIndicator(
                    color: primaryColor,
                    strokeWidth: 5.0,
                  ),
                )
                    : _tanker() ,
              ))
            ],
          ),
        ),

      ]),
    );
  }

}