How to get certain user data when clicking to one specific item in List View Flutter from Firebase Realtime Database? - flutter

Question

Currently, I am working on a Flutter project which is a tricycle booking system. I am developing two mobile apps in flutter, one for the passenger, and another for the driver. The functionality that I'm having a problem is that a passenger should ask or request a driver for his/her booking. On the driver's side, the driver will be able to see the list of active passengers (these are those who requested a ride). All these rides are stored in a list called pList. When a modal popup displays all the items (passengers that request a ride) in the pList, and then the driver chose one, the passenger data that is being fetched is only the passenger who FIRST requested a ride or the first item being listed in the list, and not the one who the driver has chosen. Do you have any idea why and how will I fix this problem?
What I want to happen is when the driver clicked on passenger C, passenger C data will be fetched and not passenger A (first to request). Any help will be much appreciated.
Here is my code:
readUserInformation(BuildContext context) async
{
Object? empty = "";
var passengerListKeys = Provider.of<AppInfo>(context, listen: false).activePassengerList;
for(String eachPassengerKey in passengerListKeys)
{
FirebaseDatabase.instance.ref()
.child("All Ride Requests")
.child(eachPassengerKey)
.once()
.then((snapData)
{
if(snapData.snapshot.value != null)
{
var passengerRequestInfo = snapData.snapshot.value;
if (passengerRequestInfo.toString() == empty.toString())
{
print("Same lang");
return null;
}
else
{
empty = passengerRequestInfo;
setState(() {
pList.add(passengerRequestInfo);
});
print("pList: " + pList.toString());
}
double originLat = double.parse((snapData.snapshot.value! as Map)["origin"]["latitude"]);
double originLng = double.parse((snapData.snapshot.value! as Map)["origin"]["longitude"]);
String originAddress = (snapData.snapshot.value! as Map)["originAddress"];
double destinationLat = double.parse((snapData.snapshot.value! as Map)["destination"]["latitude"]);
double destinationLng = double.parse((snapData.snapshot.value! as Map)["destination"]["longitude"]);
String destinationAddress = (snapData.snapshot.value! as Map)["destinationAddress"];
String userName = (snapData.snapshot.value! as Map)["username"];
String userId = (snapData.snapshot.value! as Map)["id"];
// String userPhone = (snapData.snapshot.value! as Map)["phone"];
String? rideRequestId = snapData.snapshot.key;
UserRideRequestInformation userRideRequestDetails = UserRideRequestInformation();
userRideRequestDetails.originLatLng = LatLng(originLat, originLng);
userRideRequestDetails.originAddress = originAddress;
userRideRequestDetails.destinationLatLng = LatLng(destinationLat, destinationLng);
userRideRequestDetails.destinationAddress = destinationAddress;
userRideRequestDetails.userName = userName;
userRideRequestDetails.userId = userId;
// userRideRequestDetails.userPhone = userPhone;
userRideRequestDetails.rideRequestId = rideRequestId;
showDialog(
context: context,
builder: (BuildContext context) => ConfirmDialogBox(
userRideRequestDetails: userRideRequestDetails,
),
);
}
else
{
Fluttertoast.showToast(msg: "This Ride Request Id do not exist.");
}
});
}
}
This is the UI for the modal popup:
import 'package:ehatid_driver_app/new_trip_screen.dart';
import 'package:ehatid_driver_app/user_ride_request_information.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:firebase_database/firebase_database.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:responsive_sizer/responsive_sizer.dart';
import 'global.dart';
class ConfirmDialogBox extends StatefulWidget
{
UserRideRequestInformation? userRideRequestDetails;
ConfirmDialogBox({this.userRideRequestDetails});
#override
State<ConfirmDialogBox> createState() => _ConfirmDialogBoxState();
}
class _ConfirmDialogBoxState extends State<ConfirmDialogBox>
{
final currentFirebaseUser = FirebaseAuth.instance.currentUser!;
#override
Widget build(BuildContext context)
{
return Dialog(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(24),
),
backgroundColor: Colors.transparent,
elevation: 2,
child: Container(
margin: const EdgeInsets.all(8),
width: double.infinity,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(10),
color: Colors.white,
),
child: ListView.builder(
itemCount: pList.length,
itemBuilder: (BuildContext context, int index)
{
return GestureDetector(
onTap: ()
{
setState(() {
chosenPassengerId = pList[index]["id"].toString();
print("Passenger Id: " + chosenPassengerId.toString());
FirebaseDatabase.instance.ref()
.child("passengers")
.child(chosenPassengerId!)
.once()
.then((snap)
{
print("Snap: " + snap.toString());
if(snap.snapshot.value != null)
{
//send notification to that specific driver
// sendNotificationToDriverNow(chosenPassengerId!);
//Display Waiting Response from a Driver UI
// showWaitingResponseFromPassengerUI();
print("Waiting for Response");
//Response from the driver
FirebaseDatabase.instance.ref()
.child("passengers")
.child(chosenPassengerId!)
.child("newRideStatus")
.set("accepted");
FirebaseDatabase.instance.ref()
.child("passengers")
.child(chosenPassengerId!)
.child("newRideStatus")
.onValue.listen((eventSnapshot)
{
//accept the ride request push notification
//(newRideStatus = accepted)
if(eventSnapshot.snapshot.value == "accepted")
{
//design and display ui for displaying driver information
rideRequest(context);
print("accepted");
}
});
}
else
{
Fluttertoast.showToast(msg: "This passenger do not exist. Try again.");
}
});
});
// Navigator.pop(context, "passengerChoosed");
},
child: Card(
color: Colors.white54,
elevation: 3,
shadowColor: Colors.green,
margin: EdgeInsets.all(8.0),
child: ListTile(
title: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Row(
children: [
Padding(
padding: const EdgeInsets.only(left: 6.0),
child: Text(
pList[index]["username"],
style: const TextStyle(
fontFamily: 'Montserrat',
fontSize: 16,
color: Color(0xFF272727),
fontWeight: FontWeight.bold,
),
),
),
Icon(
Icons.verified_rounded,
color: Color(0xFF0CBC8B),
),
],
),
SizedBox(height: 1.h,),
//icon + pickup
Row(
children: [
Image.asset(
"assets/images/origin.png",
height: 26,
width: 26,
),
const SizedBox(width: 12,),
Expanded(
child: Container(
child: Text(
pList[index]["originAddress"],
style: const TextStyle(
fontFamily: 'Montserrat',
fontSize: 14,
color: Color(0xFF272727),
),
),
),
),
],
),
SizedBox(height: 1.h,),
Row(
children: [
Image.asset(
"assets/images/destination.png",
height: 26,
width: 26,
),
const SizedBox(width: 12,),
Expanded(
child: Container(
child: Text(
pList[index]["destinationAddress"],
style: const TextStyle(
fontFamily: 'Montserrat',
fontSize: 14,
color: Color(0xFF272727),
),
),
),
),
],
),
],
),
),
),
);
},
),
),
);
}
rideRequest(BuildContext context)
{
String getRideRequestId="";
FirebaseDatabase.instance.ref()
.child("drivers")
.child(currentFirebaseUser.uid)
.child("newRideStatus")
.set(widget.userRideRequestDetails!.rideRequestId);
FirebaseDatabase.instance.ref()
.child("drivers")
.child(currentFirebaseUser.uid)
.child("newRideStatus")
.once()
.then((snap)
{
if(snap.snapshot.value != null)
{
getRideRequestId = snap.snapshot.value.toString();
}
else
{
Fluttertoast.showToast(msg: "This ride request do not exists.");
}
if(getRideRequestId == widget.userRideRequestDetails!.rideRequestId)
{
FirebaseDatabase.instance.ref()
.child("drivers")
.child(currentFirebaseUser.uid)
.child("newRideStatus")
.set("accepted");
Fluttertoast.showToast(msg: "Accepted Successfully.");
//trip started now - send driver to new tripScreen
Navigator.push(context, MaterialPageRoute(builder: (c)=> NewTripScreen(
userRideRequestDetails: widget.userRideRequestDetails,
)));
}
else
{
Fluttertoast.showToast(msg: "This Ride Request do not exists.");
}
});
}
}