Кэш чатов

client-mobile/chats/presentation/chat_detail/ChatDetailViewModel.kt

@@ -18,9 +18,10 @@ import java.io.File
 import javax.inject.Inject
 import core.utils.copyUriToFile
 import core.utils.ImageUtils
-
 import chats.data.remote.api.KlipyGifDto
 
+private const val TAG = "ChatDetailViewModel"
+
 data class ChatDetailState(
     val messages: List<Message> = emptyList(),
     val chatName: String? = null,
@@ -134,8 +135,26 @@ class ChatDetailViewModel @Inject constructor(
 
     fun refreshMessages(chatId: String) {
         viewModelScope.launch {
-            val messages = repository.getMessages(chatId)
-            updateMessages(messages)
+            try {
+                // Сначала пытаемся загрузить из сети
+                val messages = repository.getMessages(chatId)
+                if (messages.isNotEmpty()) {
+                    updateMessages(messages)
+                    return@launch
+                }
+            } catch (e: Exception) {
+                android.util.Log.d(TAG, "Network load failed, trying cache")
+            }
+            
+            // Если сеть не доступна или пуста - загружаем из Room
+            try {
+                val cachedMessages = repository.getMessagesFlow(chatId).first()
+                android.util.Log.d(TAG, "Loaded ${cachedMessages.size} messages from cache")
+                updateMessages(cachedMessages)
+            } catch (e: Exception) {
+                android.util.Log.e(TAG, "Cache load failed", e)
+                _state.update { it.copy(isLoading = false, messages = emptyList()) }
+            }
         }
     }
 
@@ -167,14 +186,29 @@ class ChatDetailViewModel @Inject constructor(
 
     private fun loadChatInfo(chatId: String) {
         viewModelScope.launch {
+            // Пробуем загрузить из API
             try {
                 val chats = repository.getChats()
                 val chat = chats.find { it.id == chatId }
                 chat?.let { c ->
                     _state.update { it.copy(chatName = c.name, chatAvatar = c.avatar) }
+                    android.util.Log.d(TAG, "Loaded chat info from API: ${c.name}")
+                    return@launch
                 }
             } catch (e: Exception) {
-                // Ignore info load error
+                android.util.Log.d(TAG, "API load failed, will use messages for title")
+            }
+            
+            // Если API недоступно - берём имя из сообщений (для личных чатов)
+            try {
+                val cachedMessages = repository.getMessagesFlow(chatId).first()
+                val otherUserMessage = cachedMessages.firstOrNull { it.senderId != getCurrentUserId() }
+                otherUserMessage?.let { msg ->
+                    _state.update { it.copy(chatName = msg.senderName, chatAvatar = msg.senderAvatar) }
+                    android.util.Log.d(TAG, "Loaded chat title from messages: ${msg.senderName}")
+                }
+            } catch (e: Exception) {
+                android.util.Log.e(TAG, "Failed to load chat title from messages", e)
             }
         }
     }
@@ -191,7 +225,7 @@ class ChatDetailViewModel @Inject constructor(
             s.copy(messages = updatedMessages)
         }
     }
-    
+
     // For handling reaction removed event
     private fun removeMessageReaction(messageId: String, userId: String, emoji: String) {
         _state.update { s ->
@@ -377,7 +411,7 @@ class ChatDetailViewModel @Inject constructor(
             }
         }
     }
-
+                
     fun onForward(message: Message) {
         _state.update { it.copy(forwardingMessages = listOf(message)) }
         loadChatsForForwarding()