Заготовка

client-mobile/chats/presentation/chat_list/ChatListViewModel.kt

@@ -51,10 +51,51 @@ class ChatListViewModel @Inject constructor(
             signalrClient.connect(baseUrl.removeSuffix("/api/"), token)
         }
         
-        loadChats()
+        // Single Source of Truth - подписываемся на Flow из Room
+        observeChatsFromLocal()
+        
+        // Запускаем периодическую синхронизацию
+        viewModelScope.launch {
+            repository.schedulePeriodicSync()
+        }
+        
         observeSignalREvents()
     }
 
+    /**
+     * Подписка на локальные чаты из Room (Single Source of Truth)
+     */
+    private fun observeChatsFromLocal() {
+        repository.getChatsFlow()
+            .onEach { chats ->
+                _state.update { currentState ->
+                    currentState.copy(
+                        chats = sortChats(chats),
+                        isLoading = false
+                    )
+                }
+            }
+            .catch { e ->
+                android.util.Log.e("ChatListVM", "Error observing chats", e)
+                _state.update { it.copy(isLoading = false, error = e.message) }
+            }
+            .launchIn(viewModelScope)
+    }
+
+    /**
+     * Принудительная синхронизация чатов с сервером
+     */
+    fun loadChats() {
+        viewModelScope.launch {
+            _state.update { it.copy(isLoading = true) }
+            try {
+                repository.syncChats()
+            } catch (e: Exception) {
+                _state.update { it.copy(isLoading = false, error = e.message) }
+            }
+        }
+    }
+
     private fun updatePushToken() {
         com.google.firebase.messaging.FirebaseMessaging.getInstance().token.addOnCompleteListener { task ->
             if (task.isSuccessful) {
@@ -70,21 +111,8 @@ class ChatListViewModel @Inject constructor(
         }
     }
 
-
     private fun getCurrentUserId(): String = tokenManager.getUserId() ?: ""
 
-    fun loadChats() {
-        viewModelScope.launch {
-            _state.update { it.copy(isLoading = true) }
-            try {
-                val chats = repository.getChats()
-                _state.update { it.copy(chats = sortChats(chats), isLoading = false) }
-            } catch (e: Exception) {
-                _state.update { it.copy(isLoading = false, error = e.message) }
-            }
-        }
-    }
-
     private fun sortChats(chats: List<Chat>): List<Chat> {
         return chats.sortedWith(compareByDescending<Chat> { 
             it.name.equals("Избранное", ignoreCase = true) || it.name.equals("Saved Messages", ignoreCase = true)
@@ -121,7 +149,6 @@ class ChatListViewModel @Inject constructor(
             .launchIn(viewModelScope)
     }
 
-
     private fun updateChatsWithNewMessage(event: ChatEvent.NewMessage) {
         val baseUrl = serverConfig.getBaseUrl().removeSuffix("/api/")
         val currentUserId = getCurrentUserId()