✨ Handle more chat server events

lib/widgets/chat/maintainer.dart

@@ -6,33 +6,65 @@ import 'package:solian/models/message.dart';
 import 'package:solian/models/packet.dart';
 import 'package:solian/providers/auth.dart';
 import 'package:solian/providers/chat.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 class ChatMaintainer extends StatefulWidget {
   final Widget child;
-  final Function(Message val) onNewMessage;
+  final Function(Message val) onInsertMessage;
+  final Function(Message val) onUpdateMessage;
+  final Function(Message val) onDeleteMessage;
 
-  const ChatMaintainer({super.key, required this.child, required this.onNewMessage});
+  const ChatMaintainer({
+    super.key,
+    required this.child,
+    required this.onInsertMessage,
+    required this.onUpdateMessage,
+    required this.onDeleteMessage,
+  });
 
   @override
   State<ChatMaintainer> createState() => _ChatMaintainerState();
 }
 
 class _ChatMaintainerState extends State<ChatMaintainer> {
-  @override
-  void initState() {
-    Future.delayed(Duration.zero, () {
-      final auth = context.read<AuthProvider>();
-      final chat = context.read<ChatProvider>();
+  void connect() {
+    final notify = ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(AppLocalizations.of(context)!.connectingServer),
+        duration: const Duration(days: 1),
+      ),
+    );
 
-      chat.connect(auth).then((snapshot) {
-        snapshot!.stream.listen((event) {
+    final auth = context.read<AuthProvider>();
+    final chat = context.read<ChatProvider>();
+
+    chat.connect(auth).then((snapshot) {
+      snapshot!.stream.listen(
+        (event) {
           final result = NetworkPackage.fromJson(jsonDecode(event));
           switch (result.method) {
             case 'messages.new':
-              widget.onNewMessage(Message.fromJson(result.payload!));
+              widget.onInsertMessage(Message.fromJson(result.payload!));
+              break;
+            case 'messages.update':
+              widget.onUpdateMessage(Message.fromJson(result.payload!));
+              break;
+            case 'messages.burnt':
+              widget.onDeleteMessage(Message.fromJson(result.payload!));
+              break;
           }
-        });
-      });
+        },
+        onError: (_, __) => connect(),
+      );
+
+      notify.close();
+    });
+  }
+
+  @override
+  void initState() {
+    Future.delayed(Duration.zero, () {
+      connect();
     });
 
     super.initState();