马良AI写作初始化仓库

AINoval/lib/blocs/chat/chat_state.dart

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+import 'package:equatable/equatable.dart';
+import '../../models/chat_models.dart';
+import '../../models/user_ai_model_config_model.dart';
+import '../../models/ai_request_models.dart';
+
+abstract class ChatState extends Equatable {
+  const ChatState();
+
+  @override
+  List<Object?> get props => [];
+}
+
+// 初始状态
+class ChatInitial extends ChatState {}
+
+// 加载会话列表中
+class ChatSessionsLoading extends ChatState {}
+
+// 会话列表加载完成
+class ChatSessionsLoaded extends ChatState {
+  const ChatSessionsLoaded({
+    required this.sessions,
+    this.error,
+  });
+
+  final List<ChatSession> sessions;
+  final String? error;
+
+  @override
+  List<Object?> get props => [sessions, error];
+
+  ChatSessionsLoaded copyWith({
+    List<ChatSession>? sessions,
+    String? error,
+    bool clearError = false,
+  }) {
+    return ChatSessionsLoaded(
+      sessions: sessions ?? this.sessions,
+      error: clearError ? null : error ?? this.error,
+    );
+  }
+}
+
+// 加载单个会话中
+class ChatSessionLoading extends ChatState {}
+
+// 会话激活状态
+class ChatSessionActive extends ChatState {
+  const ChatSessionActive({
+    required this.session,
+    required this.context,
+    this.messages = const [],
+    this.selectedModel,
+
+    this.isGenerating = false,
+    this.isLoadingHistory = false,
+    this.error,
+    this.cachedSettings = const [],
+    this.cachedSettingGroups = const [],
+    this.cachedSnippets = const [],
+    this.isLoadingContextData = false,
+    this.configUpdateTimestamp,
+  });
+
+  final ChatSession session;
+  final ChatContext context;
+  final List<ChatMessage> messages;
+  final UserAIModelConfigModel? selectedModel;
+
+  final bool isGenerating;
+  final bool isLoadingHistory;
+  final String? error;
+  
+  // 缓存的上下文数据
+  final List<dynamic> cachedSettings;      // NovelSettingItem列表
+  final List<dynamic> cachedSettingGroups; // SettingGroup列表
+  final List<dynamic> cachedSnippets;      // NovelSnippet列表
+  final bool isLoadingContextData;
+  final DateTime? configUpdateTimestamp;   // 配置更新时间戳，用于触发UI重建
+
+  @override
+  List<Object?> get props => [
+        session,
+        context,
+        messages,
+        selectedModel,
+        isGenerating,
+        isLoadingHistory,
+        error,
+        cachedSettings,
+        cachedSettingGroups,
+        cachedSnippets,
+        isLoadingContextData,
+        configUpdateTimestamp,
+      ];
+
+  ChatSessionActive copyWith({
+    ChatSession? session,
+    ChatContext? context,
+    List<ChatMessage>? messages,
+    Object? selectedModel = const Object(),
+
+    bool? isGenerating,
+    bool? isLoadingHistory,
+    String? error,
+    bool clearError = false,
+    List<dynamic>? cachedSettings,
+    List<dynamic>? cachedSettingGroups,
+    List<dynamic>? cachedSnippets,
+    bool? isLoadingContextData,
+    DateTime? configUpdateTimestamp,
+  }) {
+    UserAIModelConfigModel? updatedSelectedModel;
+    if (selectedModel is UserAIModelConfigModel?){
+        updatedSelectedModel = selectedModel;
+    } else {
+        updatedSelectedModel = this.selectedModel;
+    }
+
+    return ChatSessionActive(
+      session: session ?? this.session,
+      context: context ?? this.context,
+      messages: messages ?? this.messages,
+      selectedModel: updatedSelectedModel,
+
+      isGenerating: isGenerating ?? this.isGenerating,
+      isLoadingHistory: isLoadingHistory ?? this.isLoadingHistory,
+      error: clearError ? null : error ?? this.error,
+      cachedSettings: cachedSettings ?? this.cachedSettings,
+      cachedSettingGroups: cachedSettingGroups ?? this.cachedSettingGroups,
+      cachedSnippets: cachedSnippets ?? this.cachedSnippets,
+      isLoadingContextData: isLoadingContextData ?? this.isLoadingContextData,
+      configUpdateTimestamp: configUpdateTimestamp ?? this.configUpdateTimestamp,
+    );
+  }
+}
+
+// 错误状态
+class ChatError extends ChatState {
+  const ChatError({required this.message});
+
+  final String message;
+
+  @override
+  List<Object?> get props => [message];
+}