Files
prosappco/lib/src/screens/chat.dart
T

262 lines
9.7 KiB
Dart

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:prosappco/src/authentication/authentication_repository.dart';
import 'package:prosappco/src/components/photo_view.dart';
import 'package:prosappco/src/components/pop_appbar.dart';
import 'package:prosappco/src/models/chat_model.dart';
import 'package:prosappco/src/models/event_model.dart';
import 'package:prosappco/src/models/user_model.dart';
class ChatScreen extends StatefulWidget {
final String? eventoId;
const ChatScreen({super.key, this.eventoId});
@override
State<ChatScreen> createState() => _ChatScreenState();
}
class _ChatScreenState extends State<ChatScreen> {
final _textController = TextEditingController();
final uid = AuthenticationRepository.instance.getCurrentUserUid();
UserModel? user;
@override
void initState() {
super.initState();
Event.getEventById(widget.eventoId!).then((event) {
if (user == null) {
if (uid != event.userId) {
UserModel.getUser(event.userId).then(
(UserModel s) => setState(() => user = s),
);
} else {
UserModel.getUser(event.professionalId).then(
(UserModel s) => setState(() => user = s),
);
}
}
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: PopAppbar(
onPressed: () {
Navigator.pop(context);
},
label: 'Chat'),
body: Column(
children: [
Container(
decoration: BoxDecoration(
boxShadow: [
BoxShadow(
color: Colors.grey.withOpacity(0.3),
spreadRadius: 2,
blurRadius: 3,
offset: const Offset(0, 2),
),
],
),
child: Container(
padding: const EdgeInsets.symmetric(vertical: 8),
color: const Color(0xFFD6F4FF),
alignment: Alignment.topCenter,
child: ListTile(
leading: Padding(
padding: const EdgeInsets.symmetric(horizontal: 10),
child: ReferencePhoto(
ref: user?.photo,
size: 55,
sizeCircle: 60,
),
),
title: Text(
'${user?.name}',
style: const TextStyle(
color: Colors.black, fontWeight: FontWeight.w600),
),
subtitle: Text(user?.profession ?? ''),
trailing: const Icon(Icons.keyboard_arrow_right),
),
),
),
Expanded(
child: SingleChildScrollView(
padding: const EdgeInsets.only(top: 10),
reverse: true,
child: streamB(uid!),
),
),
Container(
alignment: Alignment.bottomCenter,
width: MediaQuery.of(context).size.width,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 18),
width: MediaQuery.of(context).size.width,
child: Row(
children: [
Expanded(
child: TextFormField(
controller: _textController,
style: const TextStyle(color: Colors.black),
decoration: InputDecoration(
hintText: 'Mensaje',
hintStyle:
TextStyle(color: Colors.grey[600], fontSize: 16),
border: OutlineInputBorder(
borderSide: const BorderSide(
color: Colors.grey, width: 1.0),
borderRadius: BorderRadius.circular(50)),
focusedBorder: OutlineInputBorder(
borderSide: const BorderSide(
color: Colors.grey, width: 1.0),
borderRadius: BorderRadius.circular(50)),
contentPadding: const EdgeInsets.symmetric(
horizontal: 20, vertical: 15),
filled: true,
fillColor: Colors.grey[200],
),
),
),
const SizedBox(width: 12),
GestureDetector(
onTap: () async {
final nuevoMensaje = MessageModel(
user: uid!,
content: _textController.text,
timestamp: DateTime.now());
final nuevoMensajeMap = {
'user': nuevoMensaje.user,
'content': nuevoMensaje.content,
'timestamp': nuevoMensaje.timestamp,
};
FirebaseFirestore.instance
.collection('chats')
.doc(widget.eventoId)
.update({
'message': FieldValue.arrayUnion([nuevoMensajeMap])
});
_textController.clear();
},
child: Container(
height: 50,
width: 50,
decoration: BoxDecoration(
color: Theme.of(context).primaryColor,
borderRadius: BorderRadius.circular(30),
),
child: const Center(
child: Icon(
Icons.send,
color: Colors.white,
),
),
),
)
],
),
),
),
],
),
);
}
StreamBuilder<DocumentSnapshot<Map<String, dynamic>>> streamB(String uid) {
return StreamBuilder(
stream: FirebaseFirestore.instance
.collection('chats')
.doc(widget.eventoId)
.snapshots(),
builder: (context, snapshot) {
if (!snapshot.hasData) {
return const Center(child: CircularProgressIndicator());
}
final data = snapshot.data!;
final chat = ChatModel.fromDocumentSnapshot(data);
return Column(children: [
...chat.messages.map(
(e) => uid != e.user
? ListTile(
title: Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
margin: const EdgeInsets.only(right: 60),
padding: const EdgeInsets.symmetric(
vertical: 10, horizontal: 16),
decoration: BoxDecoration(
color: Colors.grey.shade200,
borderRadius: const BorderRadius.only(
topRight: Radius.circular(20),
bottomLeft: Radius.circular(20),
bottomRight: Radius.circular(20),
),
),
child: Text(
e.content,
style: const TextStyle(fontSize: 16),
),
),
const SizedBox(width: 5),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 10),
child: Text(
DateFormat('h:mm a').format(e.timestamp),
style: const TextStyle(
color: Colors.grey, fontSize: 12),
),
),
],
),
)
: ListTile(
title: Column(
mainAxisAlignment: MainAxisAlignment.end,
crossAxisAlignment: CrossAxisAlignment.end,
children: [
Container(
margin: const EdgeInsets.only(left: 60),
padding: const EdgeInsets.symmetric(
vertical: 10, horizontal: 16),
decoration: const BoxDecoration(
color: Color(0xFFD5EFFF),
borderRadius: BorderRadius.only(
topLeft: Radius.circular(20),
bottomLeft: Radius.circular(20),
bottomRight: Radius.circular(20),
),
),
child: Text(
e.content,
style: const TextStyle(fontSize: 16),
),
),
const SizedBox(width: 5),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 10),
child: Text(
DateFormat('h:mm a').format(e.timestamp),
style: const TextStyle(
color: Colors.grey, fontSize: 12),
),
),
],
),
),
)
]);
},
);
}
}