Заготовка
This commit is contained in:
Халимов Рустам
@@ -2,6 +2,7 @@ package chats.presentation.chat_detail
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
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import android.util.Log
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import chats.data.remote.signalr.ChatEvent
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import chats.data.remote.signalr.ChatHubClient
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import chats.data.repository.toDomain
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@@ -20,6 +21,7 @@ import core.utils.copyUriToFile
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import core.utils.ImageUtils
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import chats.data.remote.api.KlipyGifDto
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import chats.domain.model.MessageStatus
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data class ChatDetailState(
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val messages: List<Message> = emptyList(),
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@@ -47,7 +49,8 @@ data class ChatDetailState(
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val forwardingMessages: List<Message> = emptyList(),
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val availableChatsToForward: List<chats.domain.model.Chat> = emptyList(),
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val selectedMessageIds: Set<String> = emptySet(),
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val pinnedMessages: List<Message> = emptyList()
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val pinnedMessages: List<Message> = emptyList(),
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val isOffline: Boolean = false
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)
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@HiltViewModel
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@@ -93,6 +96,8 @@ class ChatDetailViewModel @Inject constructor(
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return tokenManager.getUserId() ?: ""
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}
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private var messagesFlowJob: Job? = null
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fun setChatId(chatId: String) {
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if (currentChatId == chatId) return
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currentChatId = chatId
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@@ -115,30 +120,43 @@ class ChatDetailViewModel @Inject constructor(
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loadChatInfo(chatId)
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observeSignalREvents(chatId)
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// Initial sync from network
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refreshMessages(chatId)
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// Подписываемся на Flow из Room (Single Source of Truth)
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observeMessagesFromLocal(chatId)
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// Запускаем синхронизацию с сервером
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viewModelScope.launch {
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repository.syncMessagesForChat(chatId)
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}
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}
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private fun updateMessages(messages: List<Message>) {
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val sortedMessages = messages.sortedByDescending { it.sequenceId }
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_state.update { it.copy(
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messages = sortedMessages,
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isLoading = false,
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initialScrollIndex = 0 // In reverse layout, 0 is the bottom
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) }
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/**
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* Подписка на локальные сообщения из Room (Single Source of Truth)
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*/
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private fun observeMessagesFromLocal(chatId: String) {
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messagesFlowJob?.cancel()
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messagesFlowJob = viewModelScope.launch {
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repository.getMessagesFlow(chatId)
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.catch { e ->
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Log.e("ChatDetailVM", "Error observing messages", e)
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_state.update { it.copy(isLoading = false, error = e.message) }
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}
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.collect { messages ->
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val sortedMessages = messages.sortedByDescending { it.sequenceId }
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_state.update { currentState ->
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currentState.copy(
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messages = sortedMessages,
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isLoading = false,
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initialScrollIndex = if (currentState.initialScrollIndex == null) 0 else currentState.initialScrollIndex
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)
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}
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}
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}
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}
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fun onInitialScrollDone() {
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_state.update { it.copy(initialScrollIndex = -1) }
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}
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fun refreshMessages(chatId: String) {
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viewModelScope.launch {
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val messages = repository.getMessages(chatId)
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updateMessages(messages)
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}
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}
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fun loadMoreMessages() {
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val chatId = currentChatId ?: return
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if (_state.value.isLoading || _state.value.isLoadingMore) return
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@@ -488,45 +506,24 @@ class ChatDetailViewModel @Inject constructor(
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return
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}
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// Clear input immediately to avoid double clicks and ensure UI experience
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_state.update { it.copy(inputText = "", replyingMessage = null) }
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// Clear input immediately для отзывчивого UI
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_state.update { it.copy(inputText = "", replyingMessage = null, pendingAttachments = emptyList()) }
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val tempId = "temp_${System.currentTimeMillis()}"
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val userId = getCurrentUserId()
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// Determine mediaType based on attachments
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// Определяем тип медиа
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val mediaType = when {
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pending.isEmpty() -> chats.domain.model.MediaType.TEXT
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pending.any { it.extension.lowercase() in listOf("jpg", "jpeg", "png", "webp", "gif") } -> chats.domain.model.MediaType.IMAGE
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pending.any { it.extension.lowercase() in listOf("mp4", "mov", "webm") } -> chats.domain.model.MediaType.VIDEO
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else -> chats.domain.model.MediaType.TEXT
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}
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val tempMessage = Message(
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id = tempId,
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chatId = chatId,
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senderId = userId,
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content = if (text.isBlank()) null else text,
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createdAt = java.util.Date().toString(),
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mediaType = mediaType,
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media = emptyList(),
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senderName = "Вы",
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senderAvatar = null,
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reactions = emptyMap(),
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isRead = false,
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sequenceId = 0
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)
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viewModelScope.launch {
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repository.saveMessage(tempMessage)
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pending.isEmpty() -> "text"
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pending.any { it.extension.lowercase() in listOf("jpg", "jpeg", "png", "webp", "gif") } -> "image"
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pending.any { it.extension.lowercase() in listOf("mp4", "mov", "webm") } -> "video"
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pending.any { it.extension.lowercase() in listOf("mp3", "m4a", "wav") } -> "audio"
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else -> "text"
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}
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viewModelScope.launch {
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try {
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// Upload attachments if any
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val attachmentRequests = if (_state.value.pendingAttachments.isNotEmpty()) {
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// Upload attachments если есть
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val attachmentRequests = if (pending.isNotEmpty()) {
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_state.update { it.copy(isUploading = true) }
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val requests = _state.value.pendingAttachments.map { file ->
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val requests = pending.map { file ->
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val url = repository.uploadMedia(file)
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chats.data.remote.api.AttachmentRequest(
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type = when {
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@@ -540,31 +537,46 @@ class ChatDetailViewModel @Inject constructor(
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fileSize = file.length()
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)
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}
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_state.update { it.copy(isUploading = false, pendingAttachments = emptyList()) }
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_state.update { it.copy(isUploading = false) }
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requests
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} else {
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null
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}
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val sentMessage = repository.sendMessage(
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// Отправляем сообщение - теперь оно создается локально и ставится в очередь
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repository.sendMessage(
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chatId = chatId,
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content = if (text.isBlank()) null else text,
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type = if (attachmentRequests != null) "media" else "text",
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type = mediaType,
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attachments = attachmentRequests,
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replyToId = replyToId
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)
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repository.deleteLocalMessage(tempId)
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repository.saveMessage(sentMessage)
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// Clear attachments on success
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_state.update { it.copy(pendingAttachments = emptyList()) }
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// Сообщение автоматически появится в UI через Flow из Room
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} catch (e: Exception) {
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repository.deleteLocalMessage(tempId)
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_state.update { it.copy(error = e.localizedMessage, isUploading = false) }
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onFail(text)
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}
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}
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}
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/**
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* Повторная отправка неудачного сообщения
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*/
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fun retryMessage(messageId: String) {
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viewModelScope.launch {
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repository.retryFailedMessage(messageId)
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}
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}
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/**
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* Удаление локального сообщения (отмена отправки)
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*/
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fun cancelMessage(messageId: String) {
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viewModelScope.launch {
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repository.deleteLocalMessage(messageId)
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}
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}
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fun addReaction(messageId: String, emoji: String) {
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val chatId = currentChatId ?: return
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@@ -581,7 +593,7 @@ class ChatDetailViewModel @Inject constructor(
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}
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val replyToId = _state.value.replyingMessage?.id
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_state.update { it.copy(replyingMessage = null) }
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val tempId = "temp_voice_${System.currentTimeMillis()}"
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val userId = getCurrentUserId()
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