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Eliminar creche_app/lib/features/chat/chat_list_screen.dart

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Alberto 2026-03-11 19:24:10 +00:00
parent 30a5dfdd2f
commit 3c72735fd8
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creche_app/lib/features/chat/chat_list_screen.dart
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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:go_router/go_router.dart';
import 'package:supabase_flutter/supabase_flutter.dart';
import '/core/auth_provider.dart';
import '/models/profile.dart';
const _bg = Color(0xFF0D1117);
const _card = Color(0xFF161B22);
const _blue = Color(0xFF4FC3F7);
String _roleLabel(String r) {
switch (r) {
case 'principal': return 'Diretora';
case 'admin': return 'Administrador';
case 'teacher': return 'Educadora';
case 'staff': return 'Auxiliar';
case 'parent': return 'Encarregado';
default: return r;
}
}
class ChatListScreen extends ConsumerWidget {
const ChatListScreen({super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final sb = Supabase.instance.client;
final profileAsync = ref.watch(currentProfileProvider);
return profileAsync.when(
data: (myProfile) {
if (myProfile == null) {
return const Scaffold(
backgroundColor: _bg,
body: Center(child: Text('Perfil não encontrado', style: TextStyle(color: Colors.white))),
);
}
return Scaffold(
backgroundColor: _bg,
appBar: AppBar(
backgroundColor: _card,
title: const Text('Mensagens', style: TextStyle(color: _blue, fontWeight: FontWeight.bold)),
elevation: 0,
),
body: StreamBuilder<List<Map<String, dynamic>>>(
stream: sb.from('profiles').stream(primaryKey: ['id']),
builder: (context, snapshot) {
if (!snapshot.hasData) {
return const Center(child: CircularProgressIndicator(color: _blue));
}
final profiles = snapshot.data!
.map(Profile.fromMap)
.where((p) => p.id != myProfile.id)
.toList()
..sort((a, b) => a.fullName.compareTo(b.fullName));
if (profiles.isEmpty) {
return Center(child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
Icon(Icons.chat_bubble_outline, size: 64, color: Colors.white.withOpacity(0.07)),
const SizedBox(height: 12),
const Text('Sem utilizadores para contactar',
style: TextStyle(color: Color(0xFF888888))),
]));
}
return ListView.separated(
padding: const EdgeInsets.symmetric(vertical: 8),
itemCount: profiles.length,
separatorBuilder: (_, __) => Divider(
height: 1, indent: 72,
color: Colors.white.withOpacity(0.05),
),
itemBuilder: (context, i) {
final profile = profiles[i];
return _ChatTile(
profile: profile,
myProfileId: myProfile.id,
onTap: () => context.go('/chat/${profile.id}'),
);
},
);
},
),
);
},
loading: () => const Scaffold(
backgroundColor: _bg,
body: Center(child: CircularProgressIndicator(color: _blue)),
),
error: (e, _) => Scaffold(
backgroundColor: _bg,
body: Center(child: Text('Erro: $e', style: const TextStyle(color: Colors.red))),
),
);
}
}
class _ChatTile extends StatelessWidget {
final Profile profile;
final String myProfileId;
final VoidCallback onTap;
const _ChatTile({required this.profile, required this.myProfileId, required this.onTap});
@override
Widget build(BuildContext context) {
final sb = Supabase.instance.client;
return FutureBuilder<Map<String, dynamic>?>(
future: _getLastMessage(sb),
builder: (context, snap) {
final lastMsg = snap.data?['content'] as String? ?? '';
final unread = snap.data?['unread'] as int? ?? 0;
final hasUnread = unread > 0;
return Material(
color: Colors.transparent,
child: InkWell(
onTap: onTap,
splashColor: _blue.withOpacity(0.08),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
child: Row(children: [
// Avatar
CircleAvatar(
radius: 26,
backgroundColor: _blue.withOpacity(0.12),
backgroundImage: profile.avatarUrl != null
? NetworkImage(profile.avatarUrl!) : null,
child: profile.avatarUrl == null
? Text(profile.fullName.isNotEmpty ? profile.fullName[0].toUpperCase() : '?',
style: const TextStyle(color: _blue, fontWeight: FontWeight.bold, fontSize: 18))
: null,
),
const SizedBox(width: 14),
// Info
Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
Text(profile.fullName,
style: TextStyle(
color: Colors.white,
fontWeight: hasUnread ? FontWeight.bold : FontWeight.w500,
fontSize: 14,
)),
const SizedBox(height: 2),
Text(lastMsg.isNotEmpty ? lastMsg : _roleLabel(profile.role),
maxLines: 1, overflow: TextOverflow.ellipsis,
style: TextStyle(
color: hasUnread ? _blue : const Color(0xFF888888),
fontSize: 12,
fontWeight: hasUnread ? FontWeight.w600 : FontWeight.normal,
)),
])),
// Unread badge
if (hasUnread)
Container(
padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 3),
decoration: BoxDecoration(
color: _blue, borderRadius: BorderRadius.circular(12),
),
child: Text('$unread',
style: const TextStyle(color: Colors.white, fontSize: 11, fontWeight: FontWeight.bold)),
)
else
const Icon(Icons.chevron_right, color: Color(0xFF444466), size: 20),
]),
),
),
);
},
);
}
Future<Map<String, dynamic>?> _getLastMessage(SupabaseClient sb) async {
try {
final msgs = await sb
.from('messages')
.select('content, from_user, is_read')
.or(
'and(from_user.eq.$myProfileId,to_user.eq.${profile.id}),'
'and(from_user.eq.${profile.id},to_user.eq.$myProfileId)'
)
.order('created_at', ascending: false)
.limit(1);
if (msgs.isEmpty) return null;
final last = msgs.first;
final unreadMsgs = await sb
.from('messages')
.select('id')
.eq('from_user', profile.id)
.eq('to_user', myProfileId)
.eq('is_read', false);
return {
'content': last['content'] as String,
'unread': unreadMsgs.length,
};
} catch (_) {
return null;
}
}
}