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feat(message): 实现会话列表功能- 新增 ConversationController 管理会话数据
feat(message): 实现会话列表功能- 新增 ConversationController 管理会话数据
-从 IMManager 获取真实会话列表替代模拟数据 - 支持会话列表加载状态与错误处理 - 实现会话项 UI 展示包括头像、昵称、最后消息等 - 添加未读消息数与消息时间格式化显示 - 集成 GetX 状态管理与响应式更新 - 优化会话列表空状态与加载失败重试机制ios
Jolie
4 months ago
4 changed files with 258 additions and 151 deletions
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113lib/controller/message/conversation_controller.dart
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12lib/im/im_manager.dart
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280lib/pages/message/conversation_tab.dart
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4lib/pages/message/message_page.dart
@ -0,0 +1,113 @@ |
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import 'package:get/get.dart'; |
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import 'package:get_storage/get_storage.dart'; |
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import 'package:im_flutter_sdk/im_flutter_sdk.dart'; |
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import '../../im/im_manager.dart'; |
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class ConversationController extends GetxController { |
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// 会话列表数据 |
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final conversations = <EMConversation>[].obs; |
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// 加载状态 |
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final isLoading = false.obs; |
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// 错误消息 |
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final errorMessage = ''.obs; |
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@override |
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void onInit() { |
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super.onInit(); |
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// 初始化时加载会话列表 |
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loadConversations(); |
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} |
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|
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/// 加载会话列表 |
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Future<void> loadConversations() async { |
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if (isLoading.value) return; |
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try { |
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isLoading.value = true; |
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errorMessage.value = ''; |
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|
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// 从IMManager获取会话列表 |
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final List<EMConversation> convList = await IMManager.instance.getConversations(); |
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// 更新会话列表 |
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conversations.value = convList; |
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|
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// 使用GetX日志系统 |
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if (Get.isLogEnable) { |
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Get.log('Loaded ${convList.length} conversations'); |
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} |
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} catch (e) { |
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// 使用GetX日志系统 |
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if (Get.isLogEnable) { |
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Get.log('Failed to load conversations: $e'); |
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} |
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errorMessage.value = '加载会话列表失败，请稍后重试'; |
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} finally { |
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isLoading.value = false; |
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} |
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} |
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/// 刷新会话列表 |
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Future<void> refreshConversations() async { |
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await loadConversations(); |
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} |
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/// 获取会话的最新消息 |
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String getLastMessageContent(EMMessage? message) { |
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if(message?.body.type == MessageType.TXT){ |
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} |
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return '暂无消息'; |
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} |
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/// 获取会话的未读消息数量 |
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Future<int> getUnreadCount(EMConversation conversation) async { |
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try { |
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// 简化实现，返回0 |
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return await conversation.unreadCount(); |
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} catch (e) { |
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if (Get.isLogEnable) { |
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Get.log('Error getting unread count: $e'); |
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} |
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return 0; |
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} |
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} |
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|
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/// 获取会话最后消息的时间 |
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String getConversationLastMessageTime(EMConversation conversation) { |
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try { |
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// 返回默认时间 |
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return '刚刚'; |
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} catch (e) { |
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if (Get.isLogEnable) { |
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Get.log('Error getting last message time: $e'); |
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} |
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return ''; |
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} |
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} |
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|
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/// 格式化消息时间 |
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String formatMessageTime(int timestamp) { |
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DateTime messageTime = DateTime.fromMillisecondsSinceEpoch(timestamp); |
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DateTime now = DateTime.now(); |
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Duration difference = now.difference(messageTime); |
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|
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if (difference.inDays > 0) { |
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return '${difference.inDays}天前'; |
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} else if (difference.inHours > 0) { |
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return '${difference.inHours}小时前'; |
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} else if (difference.inMinutes > 0) { |
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return '${difference.inMinutes}分钟前'; |
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} else { |
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return '刚刚'; |
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} |
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} |
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Future<EMUserInfo> loadContact(String userId) async{ |
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var data = await IMManager.instance.getContacts(userId); |
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return data[userId]!; |
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} |
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Future<EMMessage?> lastMessage(EMConversation conversation) async{ |
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return await conversation.latestMessage(); |
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} |
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} |
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