491 lines
14 KiB
Dart
491 lines
14 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter_spinkit/flutter_spinkit.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:messaging_app/components/messaging_provider.dart';
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import 'package:messaging_app/models/chats.dart';
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import 'package:messaging_app/models/messages.dart';
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import 'package:messaging_app/service/media_service.dart';
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import 'package:messaging_app/service/snackbar_service.dart';
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import 'package:provider/provider.dart';
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import 'package:timeago/timeago.dart' as timeago;
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// ignore: must_be_immutable
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class ConversationsPage extends StatefulWidget {
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ConversationsPage({
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super.key,
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required this.chatId,
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this.userId,
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required this.userName,
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required this.userImage,
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this.userEmail,
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// this.chatMessage,
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});
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String chatId;
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String? userId;
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String userName;
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String userImage;
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String? userEmail;
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// Map? chatMessage;
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@override
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State<StatefulWidget> createState() {
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return _ConversationsPageState();
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}
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}
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class _ConversationsPageState extends State<ConversationsPage> {
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//
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MessagingProviders _auth = MessagingProviders.instance;
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final ScrollController _scrollController = ScrollController();
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final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
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late double _deviceHeight;
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late double _deviceWidth;
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List<List<Messages>> _messagesArray;
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List<Messages> _messages;
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List<String> _members;
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int _memberPosition;
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String _messageText;
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_ConversationsPageState()
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: _messageText = '',
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_messagesArray = [],
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_messages = [],
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_members = [],
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_memberPosition = 0;
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@override
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Widget build(BuildContext context) {
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//
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_deviceHeight = MediaQuery.of(context).size.height;
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_deviceWidth = MediaQuery.of(context).size.width;
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return Scaffold(
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appBar: AppBar(
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actions: [
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IconButton(
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onPressed: () {
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showDialog(
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context: context,
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builder: (context) => Dialog(
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child: SizedBox(
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height: _deviceHeight * 0.25,
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width: _deviceHeight * 0.25,
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child: Column(
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children: [
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Container(
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// padding: EdgeInsets.all(20),
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height: _deviceHeight * 0.20,
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width: _deviceHeight * 0.20,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(10),
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image: DecorationImage(
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image: NetworkImage(widget.userImage),
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fit: BoxFit.cover,
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),
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),
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),
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Text(widget.userName),
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Text(widget.userEmail!)
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],
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),
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),
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),
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);
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},
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icon: Icon(Icons.info_outline),
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)
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],
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backgroundColor: Theme.of(context).scaffoldBackgroundColor,
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title: Text(widget.userName),
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titleTextStyle: TextStyle(fontSize: 16),
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),
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body: ChangeNotifierProvider<MessagingProviders>.value(
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value: _auth,
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child: _conversationPageUI(),
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),
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);
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}
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Widget _conversationPageUI() {
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return Builder(
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builder: (_context) {
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_auth = Provider.of<MessagingProviders>(_context);
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SnackBarService.instance.buildContext = _context;
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return Stack(
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clipBehavior: Clip.none,
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children: [
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_messageListView(),
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_messageInputField(_context),
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],
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);
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},
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);
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}
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Widget _messageListView() {
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return SizedBox(
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height: _deviceHeight * 0.80,
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width: _deviceWidth,
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child: StreamBuilder<Chats>(
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stream: _auth.getMessage(widget.chatId),
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builder: (_context, _snapshot) {
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if (_snapshot.hasData) {
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_members = _snapshot.data!.members;
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_memberPosition = _members.indexOf(_auth.user!.$id);
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_messages = _snapshot.data!.messages![_memberPosition];
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_messagesArray = _snapshot.data!.messages!;
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}
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if (_snapshot.hasData) {
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if (_messages.isEmpty) {
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return Align(
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child: Text("No Chat"),
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);
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} else {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (_scrollController.hasClients) {
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_scrollController.animateTo(
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_scrollController.position.maxScrollExtent,
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duration: const Duration(microseconds: 500),
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curve: Curves.fastOutSlowIn);
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}
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});
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return ListView.builder(
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controller: _scrollController,
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padding: EdgeInsets.symmetric(
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horizontal: 10,
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vertical: 10,
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),
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itemCount: _messages.length,
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itemBuilder: (BuildContext _context, int _index) {
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_messages[_index];
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return _messageView(_messages, _index);
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},
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);
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}
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} else if (_snapshot.hasError) {
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return Align(
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child: Text("No Chat"),
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);
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} else {
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return SpinKitWanderingCubes(
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color: Colors.blue,
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size: 50.0,
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);
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}
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},
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),
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);
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}
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Widget _messageView(List<Messages> _messages, int _index) {
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bool _isOwnMessage = false;
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if (_messages[_index].senderId == _auth.user!.$id) {
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_isOwnMessage = true;
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}
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return Padding(
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padding: const EdgeInsets.only(bottom: 10),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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mainAxisAlignment:
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_isOwnMessage ? MainAxisAlignment.end : MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.max,
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children: [
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deleteButton(_isOwnMessage, _messages, _index),
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_isOwnMessage ? Container() : _imageViewBubble(),
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SizedBox(
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width: _deviceWidth * 0.01,
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),
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_messages[_index].type == "text"
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? _textMessageBubble(_isOwnMessage, _messages[_index])
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: _imageMessageBubble(_isOwnMessage, _messages[_index]),
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deleteButton(!_isOwnMessage, _messages, _index),
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],
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),
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);
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}
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Widget _textMessageBubble(bool _isOwnMessage, Messages _message) {
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List<Color> _colorScheme = _isOwnMessage
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? [Colors.blue, Color.fromRGBO(42, 117, 188, 1)]
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: [Color.fromRGBO(49, 69, 69, 1), Color.fromRGBO(43, 43, 43, 1)];
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return Container(
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// height: _deviceHeight * 0.10,
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width: _deviceWidth * 0.60,
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padding: EdgeInsets.symmetric(horizontal: 5, vertical: 5),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(15),
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gradient: LinearGradient(
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colors: _colorScheme,
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stops: [0.25, 0.85],
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begin: Alignment.bottomLeft,
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end: Alignment.bottomRight),
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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mainAxisSize: MainAxisSize.max,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(_message.message),
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SizedBox(
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height: 10,
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),
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Text(
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timeago.format(DateTime.parse(_message.timeStamp)),
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// "${DateTime.parse(_message.timeStamp).}",
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style: TextStyle(color: Colors.white70, fontSize: 10),
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),
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],
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),
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);
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}
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Widget _imageMessageBubble(bool _isOwnMessage, Messages _message) {
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List<Color> _colorScheme = _isOwnMessage
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? [Colors.blue, Color.fromRGBO(42, 117, 188, 1)]
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: [Color.fromRGBO(49, 69, 69, 1), Color.fromRGBO(43, 43, 43, 1)];
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return Container(
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// height: _deviceHeight * 0.10,
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// width: _deviceWidth * 0.75,
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padding: EdgeInsets.symmetric(horizontal: 10, vertical: 10),
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(15),
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gradient: LinearGradient(
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colors: _colorScheme,
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stops: [0.25, 0.85],
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begin: Alignment.bottomLeft,
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end: Alignment.bottomRight),
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.spaceAround,
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mainAxisSize: MainAxisSize.max,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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height: _deviceHeight * 0.30,
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width: _deviceWidth * 0.40,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(10),
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image: DecorationImage(
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image: NetworkImage(_message.message),
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fit: BoxFit.cover,
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),
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),
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),
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SizedBox(
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height: 10,
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),
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Text(
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timeago.format(DateTime.parse(_message.timeStamp)),
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style: TextStyle(color: Colors.white70, fontSize: 10),
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),
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],
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),
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);
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}
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Widget _imageViewBubble() {
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return Container(
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height: _deviceHeight * 0.05,
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width: _deviceHeight * 0.05,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(500),
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image: DecorationImage(
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fit: BoxFit.cover,
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image: NetworkImage(
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widget.userImage,
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),
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),
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),
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);
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}
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Widget _messageInputField(BuildContext _context) {
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return Align(
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alignment: Alignment.bottomCenter,
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child: Form(
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key: _formKey,
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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mainAxisAlignment: MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.max,
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children: [
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_messageInput(),
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_sendImage(),
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_sendText(_context),
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],
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),
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),
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);
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}
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Widget _messageInput() {
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return Container(
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padding: EdgeInsets.only(left: 10, right: 10),
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decoration: BoxDecoration(
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color: Color.fromRGBO(43, 43, 43, 1),
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borderRadius: BorderRadius.circular(30)),
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margin: EdgeInsets.symmetric(
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horizontal: _deviceWidth * 0.04,
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vertical: _deviceHeight * 0.02,
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),
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width: _deviceWidth * 0.70,
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child: TextFormField(
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maxLines: null,
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validator: (_input) {
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if (_input!.isEmpty) {
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SnackBarService.instance
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.showSnackBarError("please enter a message");
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}
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return null;
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},
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onChanged: (_input) {
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_formKey.currentState?.save();
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},
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onSaved: (_input) {
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setState(() {
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_messageText = _input!;
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});
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},
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cursorColor: Colors.white,
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decoration: InputDecoration(
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border: InputBorder.none,
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hintText: "type a message",
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),
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autocorrect: false,
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),
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);
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}
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Widget _sendText(BuildContext _context) {
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return SizedBox(
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height: _deviceHeight * 0.045,
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width: _deviceHeight * 0.045,
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child: IconButton(
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onPressed: () async {
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if (_formKey.currentState!.validate()) {
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if (_messageText.isNotEmpty) {
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//
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await sendMessage('text', _messageText);
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_formKey.currentState?.reset();
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FocusScope.of(_context).unfocus();
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}
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}
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},
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icon: Icon(
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Icons.send,
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color: Colors.white,
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),
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),
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);
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}
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Widget _sendImage() {
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return SizedBox(
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height: _deviceHeight * 0.045,
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width: _deviceHeight * 0.045,
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child: FloatingActionButton(
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onPressed: () async {
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XFile? _imageFile = await MediaService.instance.getImageFromLibrary();
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if (_imageFile != null) {
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var _url = await _auth.uploadUserImage(_imageFile, '_uid');
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await sendMessage('image', _url);
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}
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},
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backgroundColor: Colors.blue,
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child: Icon(
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Icons.camera_enhance,
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),
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),
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);
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}
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Widget deleteButton(
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bool _isOwnMessage, List<Messages> _messages, int _index) {
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return !_isOwnMessage
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? SizedBox()
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: Row(
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children: [
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IconButton(
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icon: const Icon(
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Icons.delete,
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size: 15,
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),
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onPressed: () async {
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List outMessages = [];
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_messages.removeAt(_index);
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_messagesArray[_memberPosition] = _messages;
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for (var i = 0; i < _messagesArray.length; i++) {
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outMessages.add(
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json.encode(
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{_members[i]: _messagesArray[i]},
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),
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);
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}
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await _auth.sendMessage(
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widget.chatId, {"messages": outMessages}, 'update');
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},
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),
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],
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);
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}
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Future<void> sendMessage(var type, var _message) async {
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List _outMessages = [];
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if (_members.isEmpty) {
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_members = [_auth.user!.$id, widget.userId!];
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List<String> messagesTemp = [];
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messagesTemp = [
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json.encode({
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_auth.user!.$id: [],
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}),
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json.encode({
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widget.userId: [],
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})
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];
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Map<String, dynamic> _chat = {
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"ownerId": _auth.user!.$id,
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"members": _members,
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"messages": messagesTemp
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};
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await _auth.sendMessage(widget.chatId, _chat, 'new');
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await Future.delayed(Duration(seconds: 1));
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}
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for (var i = 0; i < _members.length; i++) {
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_messagesArray[i].add(
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Messages(
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message: _message,
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senderId: _auth.user!.$id,
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type: type,
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timeStamp: DateTime.now().toUtc().toString(),
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),
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);
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_outMessages.add(
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json.encode(
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{_members[i]: _messagesArray[i]},
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),
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);
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}
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await _auth.sendMessage(
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widget.chatId,
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{"messages": _outMessages},
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'update',
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);
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}
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}
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