recent-dms: Exclude DM conversations with muted users

The conversations are excluded where all the recipients are muted.

Author: sm-sayedi

lib/model/recent_dm_conversations.dart

@@ -8,6 +8,7 @@ import '../api/model/model.dart';
 import '../api/model/events.dart';
 import 'narrow.dart';
 import 'store.dart';
+import 'user.dart';
 
 /// A view-model for the recent-DM-conversations UI.
 ///
@@ -17,6 +18,7 @@ class RecentDmConversationsView extends PerAccountStoreBase with ChangeNotifier
   factory RecentDmConversationsView({
     required CorePerAccountStore core,
     required List<RecentDmConversation> initial,
+    required UserStore userStore,
   }) {
     final entries = initial.map((conversation) => MapEntry(
         DmNarrow.ofRecentDmConversation(conversation, selfUserId: core.selfUserId),
@@ -35,6 +37,7 @@ class RecentDmConversationsView extends PerAccountStoreBase with ChangeNotifier
 
     return RecentDmConversationsView._(
       core: core,
+      userStore: userStore,
       map: Map.fromEntries(entries),
       sorted: QueueList.from(entries.map((e) => e.key)),
       latestMessagesByRecipient: latestMessagesByRecipient,
@@ -43,11 +46,14 @@ class RecentDmConversationsView extends PerAccountStoreBase with ChangeNotifier
 
   RecentDmConversationsView._({
     required super.core,
+    required this.userStore,
     required this.map,
     required this.sorted,
     required this.latestMessagesByRecipient,
   });
 
+  final UserStore userStore;
+
   /// The latest message ID in each conversation.
   final Map<DmNarrow, int> map;
 
@@ -63,6 +69,11 @@ class RecentDmConversationsView extends PerAccountStoreBase with ChangeNotifier
   /// it might have been sent by anyone in its conversation.)
   final Map<int, int> latestMessagesByRecipient;
 
+  /// Same as [sorted] but excluding conversations where all the recipients are
+  /// muted.
+  QueueList<DmNarrow> get sortedFiltered => QueueList.from(
+    sorted.whereNot((narrow) => userStore.allRecipientsMuted(narrow)));
+
   /// Insert the key at the proper place in [sorted].
   ///
   /// Optimized, taking O(1) time, for the case where that place is the start,

lib/model/store.dart

@@ -471,6 +471,7 @@ class PerAccountStore extends PerAccountStoreBase with ChangeNotifier, EmojiStor
       accountId: accountId,
       selfUserId: account.userId,
     );
+    final users = UserStoreImpl(core: core, initialSnapshot: initialSnapshot);
     final channels = ChannelStoreImpl(initialSnapshot: initialSnapshot);
     return PerAccountStore._(
       core: core,
@@ -496,7 +497,7 @@ class PerAccountStore extends PerAccountStoreBase with ChangeNotifier, EmojiStor
         typingStartedWaitPeriod: Duration(
           milliseconds: initialSnapshot.serverTypingStartedWaitPeriodMilliseconds),
       ),
-      users: UserStoreImpl(core: core, initialSnapshot: initialSnapshot),
+      users: users,
       typingStatus: TypingStatus(core: core,
         typingStartedExpiryPeriod: Duration(milliseconds: initialSnapshot.serverTypingStartedExpiryPeriodMilliseconds),
       ),
@@ -507,8 +508,11 @@ class PerAccountStore extends PerAccountStoreBase with ChangeNotifier, EmojiStor
         core: core,
         channelStore: channels,
       ),
-      recentDmConversationsView: RecentDmConversationsView(core: core,
-        initial: initialSnapshot.recentPrivateConversations),
+      recentDmConversationsView: RecentDmConversationsView(
+        initial: initialSnapshot.recentPrivateConversations,
+        core: core,
+        userStore: users,
+      ),
       recentSenders: RecentSenders(),
     );
   }

lib/widgets/recent_dm_conversations.dart

@@ -49,7 +49,7 @@ class _RecentDmConversationsPageBodyState extends State<RecentDmConversationsPag
 
   @override
   Widget build(BuildContext context) {
-    final sorted = model!.sorted;
+    final sorted = model!.sortedFiltered;
     return SafeArea(
       // Don't pad the bottom here; we want the list content to do that.
       bottom: false,