allow hiding client stickies

Fixes #105

lib/controllers/room_chat.dart

@@ -97,6 +97,25 @@ class RoomChatController(final ChatParams info)
         ),
       );
 
+  void hideClientSticky(int eventRowId) => ref
+      .read(RoomsController.provider.notifier)
+      .update(
+        .new({
+          info.roomId: Room(
+            resetClientSticky: true,
+            clientSticky:
+                ref
+                    .read(
+                      RoomsController.provider.select(
+                        (rooms) => rooms[info.roomId]?.clientSticky,
+                      ),
+                    )
+                    ?.remove(eventRowId) ??
+                .new(),
+          ),
+        }),
+      );
+
   Future<void> paginate(Direction direction) async {
     if (state.isLoading) return;
 

lib/controllers/rooms.dart

@@ -46,13 +46,16 @@ class RoomsController extends Notifier<IMap<String, Room>> {
         roomId,
         existing?.copyWith(
               hasMore: incoming.hasMore,
-              clientSticky:
-                  (incoming.clientSticky.isEmpty == true
-                          ? existing.clientSticky
-                          : existing.clientSticky.addAll(incoming.clientSticky))
-                      .removeWhere(
-                        (rowId) => incoming.timeline.values.contains(rowId),
-                      ),
+              clientSticky: incoming.resetClientSticky
+                  ? incoming.clientSticky
+                  : (incoming.clientSticky.isEmpty == true
+                            ? existing.clientSticky
+                            : existing.clientSticky.addAll(
+                                incoming.clientSticky,
+                              ))
+                        .removeWhere(
+                          (rowId) => incoming.timeline.values.contains(rowId),
+                        ),
               metadata: incoming.metadata ?? existing.metadata,
               events: incoming.events.isEmpty
                   ? existing.events
@@ -64,6 +67,7 @@ class RoomsController extends Notifier<IMap<String, Room>> {
                   (previousValue[event.key] ?? .new()).addAll(event.value),
                 ),
               ),
+              resetClientSticky: false,
               reset: false,
               hasFetchedMembers:
                   incoming.hasFetchedMembers || existing.hasFetchedMembers,

lib/helpers/extensions/build_event_options.dart

@@ -225,10 +225,11 @@ extension BuildEventOptions on Event {
         ),
 
       if (ref.watch(
-        PowerLevelController.provider(
-          .redaction(targetUser: sender, roomId: roomId),
-        ),
-      ))
+            PowerLevelController.provider(
+              .redaction(targetUser: sender, roomId: roomId),
+            ),
+          ) &&
+          !eventId.startsWith("~"))
         PopupMenuItem(
           onTap: () => showReasonDialog(
             title: "Delete Message",
@@ -245,6 +246,15 @@ extension BuildEventOptions on Event {
           ),
         ),
 
+      if (eventId.startsWith("~"))
+        PopupMenuItem(
+          onTap: () => ref.watch(notifier).hideClientSticky(rowId),
+          child: ListTile(
+            leading: Icon(Icons.delete, color: danger),
+            title: Text("Hide", style: .new(color: danger)),
+          ),
+        ),
+
       PopupMenuItem(
         onTap: () => showReasonDialog(
           title: "Report",

lib/models/room.dart

@@ -25,6 +25,8 @@ class const Room({
   final IMap<int, Event> events = const IMap.empty(),
 
   final bool reset = false,
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  final bool resetClientSticky = false,
 
   @JsonKey(includeFromJson: false, includeToJson: false)
   final bool hasFetchedState = false,

lib/widgets/composer/composer.dart

@@ -134,7 +134,7 @@ class const Composer(
                   child: Row(
                     mainAxisAlignment: .center,
                     children:
-                        ref.watch(
+                        !ref.watch(
                           PowerLevelController.provider(
                             .new(eventType: .message, roomId: roomId),
                           ),

lib/widgets/renderers/event.dart

@@ -4,6 +4,7 @@ import "package:material_ui/material_ui.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:nexus/controllers/event.dart";
+import "package:nexus/controllers/room_chat.dart";
 import "package:nexus/controllers/rooms.dart";
 import "package:nexus/helpers/extensions/show_context_menu.dart";
 import "package:nexus/helpers/hooks/chat_scroll.dart";
@@ -270,11 +271,34 @@ class const EventRenderer(
               if (event.sendError != null && event.sendError != "not sent")
                 Padding(
                   padding: .only(bottom: 4),
-                  child: Text(
-                    event.sendError!,
-                    style: theme.textTheme.labelSmall?.copyWith(
-                      color: theme.colorScheme.error,
-                    ),
+                  child: Row(
+                    spacing: 4,
+                    children: [
+                      Text(
+                        event.sendError!,
+                        style: theme.textTheme.labelSmall?.copyWith(
+                          color: theme.colorScheme.error,
+                        ),
+                      ),
+                      InkWell(
+                        child: Text(
+                          "Hide",
+                          style: theme.textTheme.labelSmall?.copyWith(
+                            color: theme.colorScheme.primary,
+                            decoration: .underline,
+                            decorationColor: theme.colorScheme.primary,
+                          ),
+                        ),
+                        onTap: () => ref
+                            .read(
+                              RoomChatController.provider((
+                                roomId: roomId,
+                                contextualEvent: null,
+                              )).notifier,
+                            )
+                            .hideClientSticky(event.rowId),
+                      ),
+                    ],
                   ),
                 ),
             ].map((child) => Padding(padding: .only(left: 4), child: child)),