MessagingApp/lib/pages/recent_converstations_page.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_spinkit/flutter_spinkit.dart';
import 'package:messaging_app/components/messaging_provider.dart';
import 'package:messaging_app/models/conversations.dart';
import 'package:messaging_app/pages/conversations_page.dart';
import 'package:messaging_app/service/navigation_service.dart';
import 'package:messaging_app/service/snackbar_service.dart';
import 'package:provider/provider.dart';
import 'package:timeago/timeago.dart' as timeago;

// ignore: must_be_immutable
class RecentConverstationsPage extends StatefulWidget {
  //
  final double _deviceHeight;
  final double _deviceWidth;

  const RecentConverstationsPage(this._deviceHeight, this._deviceWidth,
      {super.key});

  @override
  State<RecentConverstationsPage> createState() =>
      _RecentConverstationsPageState();
}

class _RecentConverstationsPageState extends State<RecentConverstationsPage> {
  late MessagingProviders _auth;
  List<Conversations> streamData = [];

// To listen to the conversations stream
  @override
  void dispose() {
    super.dispose();
    loadStream();
  }

  loadStream() async {
    streamData =
        await MessagingProviders.instance.getUserConversations(_auth.user!.$id);
  }

  subscribe() {
    MessagingProviders.instance.subscription!.stream.listen((data) {
      final event = data.events.first;
      if (event.endsWith('.create')) {
        streamData.add(data.payload['']);
      } else if (event.endsWith('.update')) {}
    });
  }

  @override
  void initState() {
    super.initState();
    MessagingProviders.instance.subscription!.stream.listen((data) {
      final event = data.events.first;
      ;
    });
  }

  @override
  Widget build(BuildContext context) {
    return SizedBox(
      height: widget._deviceHeight,
      width: widget._deviceWidth,
      child: ChangeNotifierProvider<MessagingProviders>.value(
        value: MessagingProviders.instance,
        child: _conversationView(context),
      ),
    );
  }

  Widget _conversationView(BuildContext _context) {
    return Builder(builder: (BuildContext _context) {
      SnackBarService.instance.buildContext = _context;
      _auth = Provider.of<MessagingProviders>(_context);
      return SizedBox(
        height: widget._deviceHeight,
        width: widget._deviceWidth,
        child: StreamBuilder<List<Conversations>>(
            stream: MessagingProviders.instance
                .getUserConversation(_auth.user!.$id),
            builder: (_context, _snapshot) {
              if (_snapshot.hasData) {
                return ListView.builder(
                  itemCount: _snapshot.data!.length,
                  itemBuilder: (_context, _index) {
                    var _details = _snapshot.data![_index].details;
                    var _chatId = _snapshot.data![_index].chatId;
                    return ListTile(
                      onTap: () {
                        //
                        NavigationService.instance.navigateToRoute(
                          MaterialPageRoute(
                            builder: (BuildContext _context) {
                              return ConversationsPage(
                                chatId: _chatId,
                                chatName: _details.name,
                                chatImage: _details.image,
                              );
                            },
                          ),
                        );
                      },
                      title: Text(_details.name),
                      subtitle: Text(
                        _details.type == 'text'
                            ? _details.lastMessage!
                            : 'attachment: image',
                      ),
                      leading: Container(
                        width: 50,
                        height: 50,
                        decoration: BoxDecoration(
                          borderRadius: BorderRadius.circular(100),
                          image: DecorationImage(
                            fit: BoxFit.cover,
                            image: NetworkImage(_details.image),
                          ),
                        ),
                      ),
                      trailing: _listTrailingWidget(_details.timeStamp),
                    );
                  },
                );
              } else if (_snapshot.hasError) {
                return Align(
                  child: Text(
                    "no active conversation",
                    style: TextStyle(
                      fontWeight: FontWeight.bold,
                      fontSize: 20,
                    ),
                  ),
                );
              } else {
                return SpinKitWanderingCubes(
                  color: Colors.blue,
                  size: 50.0,
                );
              }
            }),
      );
    });
  }

  Widget _listTrailingWidget(DateTime? _date) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
      mainAxisSize: MainAxisSize.max,
      crossAxisAlignment: CrossAxisAlignment.end,
      children: [
        Text(
          "last message",
          style: TextStyle(fontSize: 15),
        ),
        Text(
          timeago.format(_date!),
          style: TextStyle(fontSize: 15),
        )
      ],
    );
  }
}