fix: Archive does not update its state

lib/pages/archive/archive.dart

@@ -16,17 +16,29 @@ class Archive extends StatefulWidget {
 }
 
 class ArchiveController extends State<Archive> {
-  List<Room>? archive;
+  List<Room> archive = [];
 
   Future<List<Room>> getArchive(BuildContext context) async {
-    final archive = this.archive;
+    if (archive.isNotEmpty) return archive;
-    if (archive != null) return archive;
+    return archive = await Matrix.of(context).client.loadArchive();
-    return this.archive = await Matrix.of(context).client.loadArchive();
+  }
+
+  void forgetRoomAction(int i) async {
+    await showFutureLoadingDialog(
+      context: context,
+      future: () async {
+        Logs().v('Forget room ${archive.last.getLocalizedDisplayname()}');
+        await archive[i].forget();
+        archive.removeAt(i);
+      },
+    );
+    setState(() {});
   }
 
   void forgetAllAction() async {
     final archive = this.archive;
-    if (archive == null) return;
+    final client = Matrix.of(context).client;
+    if (archive.isEmpty) return;
     if (await showOkCancelAlertDialog(
           useRootNavigator: false,
           context: context,
@@ -48,6 +60,7 @@ class ArchiveController extends State<Archive> {
         }
       },
     );
+    client.clearArchivesFromCache();
     setState(() {});
   }
 

lib/pages/archive/archive_view.dart

@@ -14,7 +14,6 @@ class ArchiveView extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    var archive = controller.archive;
     return FutureBuilder<List<Room>>(
       future: controller.getArchive(context),
       builder: (BuildContext context, snapshot) => Scaffold(
@@ -50,16 +49,16 @@ class ArchiveView extends StatelessWidget {
                   child: CircularProgressIndicator.adaptive(strokeWidth: 2),
                 );
               } else {
-                archive = snapshot.data;
+                if (controller.archive.isEmpty) {
-                if (archive == null || archive!.isEmpty) {
                   return const Center(
                     child: Icon(Icons.archive_outlined, size: 80),
                   );
                 }
                 return ListView.builder(
-                  itemCount: archive!.length,
+                  itemCount: controller.archive.length,
                   itemBuilder: (BuildContext context, int i) => ChatListItem(
-                    archive![i],
+                    controller.archive[i],
+                    onForget: () => controller.forgetRoomAction(i),
                   ),
                 );
               }

lib/pages/chat/chat.dart

@@ -949,15 +949,6 @@ class ChatController extends State<ChatPageWithRoom> {
     return sendEmojiAction(emoji.emoji);
   }
 
-  void forgetRoom() async {
-    final result = await showFutureLoadingDialog(
-      context: context,
-      future: room.forget,
-    );
-    if (result.error != null) return;
-    context.go('/rooms/archive');
-  }
-
   void typeEmoji(Emoji? emoji) {
     if (emoji == null) return;
     final text = sendController.text;

lib/pages/chat/chat_view.dart

@@ -108,21 +108,7 @@ class ChatView extends StatelessWidget {
             ],
           ),
       ];
-    } else if (controller.isArchived) {
+    } else if (!controller.room.isArchived) {
-      return [
-        Padding(
-          padding: const EdgeInsets.all(8.0),
-          child: TextButton.icon(
-            onPressed: controller.forgetRoom,
-            style: TextButton.styleFrom(
-              foregroundColor: Theme.of(context).colorScheme.error,
-            ),
-            icon: const Icon(Icons.delete_forever_outlined),
-            label: Text(L10n.of(context)!.delete),
-          ),
-        ),
-      ];
-    } else {
       return [
         if (Matrix.of(context).voipPlugin != null &&
             controller.room.isDirectChat)
@@ -135,6 +121,7 @@ class ChatView extends StatelessWidget {
         ChatSettingsPopupMenu(controller.room, true),
       ];
     }
+    return [];
   }
 
   @override

lib/pages/chat_list/chat_list_item.dart

@@ -23,6 +23,7 @@ class ChatListItem extends StatelessWidget {
   final bool selected;
   final void Function()? onTap;
   final void Function()? onLongPress;
+  final void Function()? onForget;
 
   const ChatListItem(
     this.room, {
@@ -30,6 +31,7 @@ class ChatListItem extends StatelessWidget {
     this.selected = false,
     this.onTap,
     this.onLongPress,
+    this.onForget,
     super.key,
   });
 
@@ -362,6 +364,12 @@ class ChatListItem extends StatelessWidget {
             ],
           ),
           onTap: () => clickAction(context),
+          trailing: onForget == null
+              ? null
+              : IconButton(
+                  icon: const Icon(Icons.delete_outlined),
+                  onPressed: onForget,
+                ),
         ),
       ),
     );