patch msg

yobble/Resources/Localizable.xcstrings

@@ -280,6 +280,9 @@
     "Блокировка контакта \"%1$@\" появится позже." : {
       "comment" : "Contacts block placeholder message"
     },
+    "Больше сообщений нет" : {
+      "comment" : "Chat history top reached"
+    },
     "Бот" : {
       "comment" : "Тип сессии — бот"
     },

yobble/ViewModels/PrivateChatViewModel.swift

@@ -7,13 +7,13 @@ final class PrivateChatViewModel: ObservableObject {
     @Published private(set) var isLoadingMore: Bool = false
     @Published var errorMessage: String?
     @Published private(set) var isSending: Bool = false
+    @Published private(set) var hasMore: Bool = true
 
     private let chatService: ChatService
     private let chatId: String
     private let currentUserId: String?
     private let pageSize: Int
     private let maxMessageLength: Int = 4096
-    private var hasMore: Bool = true
     private var didLoadInitially: Bool = false
     private var messageObserver: NSObjectProtocol?
 
@@ -127,11 +127,21 @@ final class PrivateChatViewModel: ObservableObject {
 
     func loadMoreIfNeeded(for message: MessageItem) {
         guard didLoadInitially, !isInitialLoading, hasMore, !isLoadingMore else { return }
-        guard let first = messages.first, first.id == message.id else { return }
+
+        guard let messageIndex = messages.firstIndex(where: { $0.id == message.id }) else {
+            return
+        }
+
+        let threshold = 10
+        guard messageIndex < threshold else {
+            return
+        }
+
+        guard let oldestMessage = messages.first else { return }
 
         isLoadingMore = true
 
-        chatService.fetchPrivateChatHistory(chatId: chatId, beforeMessageId: message.id, limit: pageSize) { [weak self] result in
+        chatService.fetchPrivateChatHistory(chatId: chatId, beforeMessageId: oldestMessage.id, limit: pageSize) { [weak self] result in
             guard let self else { return }
 
             switch result {

yobble/Views/Chat/PrivateChatView.swift

@@ -153,6 +153,9 @@ struct PrivateChatView: View {
                 if viewModel.isLoadingMore {
                     loadingMoreView
                         .scaleEffect(x: 1, y: -1, anchor: .center)
+                } else if !viewModel.hasMore && !viewModel.messages.isEmpty {
+                    noMoreMessagesView
+                        .scaleEffect(x: 1, y: -1, anchor: .center)
                 } else if viewModel.messages.isEmpty {
                     emptyState
                         .scaleEffect(x: 1, y: -1, anchor: .center)
@@ -187,6 +190,14 @@ struct PrivateChatView: View {
         .padding(.vertical, 8)
     }
 
+    private var noMoreMessagesView: some View {
+        Text(NSLocalizedString("Больше сообщений нет", comment: "Chat history top reached"))
+            .font(.caption)
+            .foregroundColor(.secondary)
+            .padding(.vertical, 16)
+            .frame(maxWidth: .infinity)
+    }
+
     private func errorView(message: String) -> some View {
         VStack(spacing: 12) {
             Text(message)