disable notification while chat is opened

yobble/Services/IncomingMessageCenter.swift

@@ -5,6 +5,7 @@ final class IncomingMessageCenter: ObservableObject {
     @Published private(set) var banner: IncomingMessageBanner?
     @Published var presentedChat: PrivateChatListItem?
     var currentUserId: String?
+    var activeChatId: String?
 
     private var dismissWorkItem: DispatchWorkItem?
     private var cancellables = Set<AnyCancellable>()
@@ -29,6 +30,7 @@ final class IncomingMessageCenter: ObservableObject {
 
     func openCurrentChat() {
         guard let banner else { return }
+        activeChatId = banner.message.chatId
         presentedChat = makeChatItem(from: banner.message)
         dismissBanner()
     }
@@ -38,6 +40,14 @@ final class IncomingMessageCenter: ObservableObject {
             return
         }
 
+        if let activeChatId, activeChatId == message.chatId {
+            return
+        }
+
+        if let presentedChat, presentedChat.chatId == message.chatId {
+            return
+        }
+
         banner = buildBanner(from: message)
         scheduleDismiss()
     }

yobble/Views/Chat/PrivateChatView.swift

@@ -8,6 +8,7 @@ struct PrivateChatView: View {
     @State private var hasPositionedToBottom: Bool = false
     @State private var draftText: String = ""
     @FocusState private var isComposerFocused: Bool
+    @EnvironmentObject private var messageCenter: IncomingMessageCenter
 
     init(chat: PrivateChatListItem, currentUserId: String?) {
         self.chat = chat
@@ -34,6 +35,9 @@ struct PrivateChatView: View {
         .task {
             viewModel.loadInitialHistory()
         }
+        .onAppear {
+            messageCenter.activeChatId = chat.chatId
+        }
         .onChange(of: viewModel.isInitialLoading) { isLoading in
             if isLoading {
                 hasPositionedToBottom = false
@@ -42,6 +46,11 @@ struct PrivateChatView: View {
         .safeAreaInset(edge: .bottom) {
             composer
         }
+        .onDisappear {
+            if messageCenter.activeChatId == chat.chatId {
+                messageCenter.activeChatId = nil
+            }
+        }
     }
 
     @ViewBuilder