✨ Leave & delete channel

lib/widgets/chat/channel_action.dart

@@ -13,12 +13,18 @@ class ChannelAction extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return IconButton(
-      onPressed: () {
-        router.pushNamed(
+      onPressed: () async {
+        final result = await router.pushNamed(
           'chat.channel.manage',
           extra: channel,
           pathParameters: {'channel': channel.alias},
         );
+        switch(result) {
+          case 'disposed':
+            if(router.canPop()) router.pop('refresh');
+          case 'refresh':
+            onUpdate();
+        }
       },
       focusNode: _focusNode,
       style: TextButton.styleFrom(shape: const CircleBorder()),

lib/widgets/chat/channel_deletion.dart

@@ -0,0 +1,100 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:solian/models/channel.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+import 'package:solian/providers/auth.dart';
+import 'package:solian/utils/service_url.dart';
+
+class ChannelDeletion extends StatefulWidget {
+  final Channel channel;
+  final bool isOwned;
+
+  const ChannelDeletion({super.key, required this.channel, required this.isOwned});
+
+  @override
+  State<ChannelDeletion> createState() => _ChannelDeletionState();
+}
+
+class _ChannelDeletionState extends State<ChannelDeletion> {
+  bool _isSubmitting = false;
+
+  Future<void> deleteChannel() async {
+    setState(() => _isSubmitting = true);
+
+    final auth = context.read<AuthProvider>();
+    if (!await auth.isAuthorized()) {
+      setState(() => _isSubmitting = false);
+      return;
+    }
+
+    var res = await auth.client!.delete(
+      getRequestUri('messaging', '/api/channels/${widget.channel.id}'),
+    );
+    if (res.statusCode != 200) {
+      var message = utf8.decode(res.bodyBytes);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text("Something went wrong... $message")),
+      );
+    } else if (Navigator.canPop(context)) {
+      Navigator.pop(context, true);
+    }
+
+    setState(() => _isSubmitting = false);
+  }
+
+  Future<void> leaveChannel() async {
+    setState(() => _isSubmitting = true);
+
+    final auth = context.read<AuthProvider>();
+    if (!await auth.isAuthorized()) {
+      setState(() => _isSubmitting = false);
+      return;
+    }
+
+    var res = await auth.client!.post(
+      getRequestUri('messaging', '/api/channels/${widget.channel.alias}/leave'),
+    );
+    if (res.statusCode != 200) {
+      var message = utf8.decode(res.bodyBytes);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text("Something went wrong... $message")),
+      );
+    } else if (Navigator.canPop(context)) {
+      Navigator.pop(context, true);
+    }
+
+    setState(() => _isSubmitting = false);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final content = widget.isOwned
+        ? AppLocalizations.of(context)!.chatChannelDeleteConfirm
+        : AppLocalizations.of(context)!.chatChannelLeaveConfirm;
+
+    return AlertDialog(
+      title: Text(AppLocalizations.of(context)!.confirmation),
+      content: Text(content),
+      actions: <Widget>[
+        TextButton(
+          onPressed: _isSubmitting ? null : () => Navigator.pop(context),
+          child: Text(AppLocalizations.of(context)!.confirmCancel),
+        ),
+        TextButton(
+          onPressed: _isSubmitting
+              ? null
+              : () {
+                  if (widget.isOwned) {
+                    deleteChannel();
+                  } else {
+                    leaveChannel();
+                  }
+                },
+          child: Text(AppLocalizations.of(context)!.confirmOkay),
+        ),
+      ],
+    );
+  }
+}

lib/widgets/chat/maintainer.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:solian/models/channel.dart';
 import 'package:solian/models/message.dart';
 import 'package:solian/models/packet.dart';
 import 'package:solian/providers/auth.dart';
@@ -10,6 +11,7 @@ import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 class ChatMaintainer extends StatefulWidget {
   final Widget child;
+  final Channel channel;
   final Function(Message val) onInsertMessage;
   final Function(Message val) onUpdateMessage;
   final Function(Message val) onDeleteMessage;
@@ -17,6 +19,7 @@ class ChatMaintainer extends StatefulWidget {
   const ChatMaintainer({
     super.key,
     required this.child,
+    required this.channel,
     required this.onInsertMessage,
     required this.onUpdateMessage,
     required this.onDeleteMessage,
@@ -46,13 +49,16 @@ class _ChatMaintainerState extends State<ChatMaintainer> {
           final result = NetworkPackage.fromJson(jsonDecode(event));
           switch (result.method) {
             case 'messages.new':
-              widget.onInsertMessage(Message.fromJson(result.payload!));
+              final payload = Message.fromJson(result.payload!);
+              if (payload.channelId == widget.channel.id) widget.onInsertMessage(payload);
               break;
             case 'messages.update':
-              widget.onUpdateMessage(Message.fromJson(result.payload!));
+              final payload = Message.fromJson(result.payload!);
+              if (payload.channelId == widget.channel.id) widget.onUpdateMessage(payload);
               break;
             case 'messages.burnt':
-              widget.onDeleteMessage(Message.fromJson(result.payload!));
+              final payload = Message.fromJson(result.payload!);
+              if (payload.channelId == widget.channel.id) widget.onDeleteMessage(payload);
               break;
           }
         },