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105 lines
3.1 KiB
105 lines
3.1 KiB
import 'dart:io';
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import 'package:path_provider/path_provider.dart';
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class Message {
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final String sessionid; // 会话ID
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final bool isUser; //标识信息是否来自用户还是AI
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final String text; //信息文本内容
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final DateTime timestamp; // 消息时间戳
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final bool isRecognizing; // 是否为语音识别中的临时消息
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final bool hasImage; // 是否包含图片
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final String? imagePath; // 图片路径
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final Map? meta; //卡片数据
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final Map<String, Map<String, dynamic>>? functionCalls; // 函数调用
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bool isToolCallsExpanded; // 工具调用是否展开
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Message({
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// 构造函数
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required this.sessionid, // 会话ID
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required this.isUser,
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required this.text,
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DateTime? timestamp,
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this.isRecognizing = false,
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this.hasImage = false,
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this.imagePath,
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this.meta,
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this.functionCalls,
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this.isToolCallsExpanded = false, // 默认不展开
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}) : this.timestamp = timestamp ?? DateTime.now();
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// 从JSON构造函数
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factory Message.fromJson(Map<String, dynamic> json) {
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return Message(
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sessionid: json['sessionid'] as String, // 会话ID
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isUser: json['isUser'] as bool,
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text: json['text'] as String,
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timestamp: DateTime.parse(json['timestamp'] as String).toLocal(),
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isRecognizing: json['isRecognizing'] as bool? ?? false,
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hasImage: json['hasImage'] as bool? ?? false,
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imagePath: json['imagePath'] as String?,
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meta: json['meta'] as Map?,
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functionCalls:
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json['functionCalls'] as Map<String, Map<String, dynamic>>?,
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isToolCallsExpanded: json['isToolCallsExpanded'] as bool? ?? false,
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);
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}
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// 转换为JSON
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Map<String, dynamic> toJson() {
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return {
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'isUser': isUser,
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'text': text,
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'timestamp': timestamp.toIso8601String(),
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'isRecognizing': isRecognizing,
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'hasImage': hasImage,
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'imagePath': imagePath,
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'meta': meta,
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'functionCalls': functionCalls,
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'isToolCallsExpanded': isToolCallsExpanded,
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};
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}
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// 创建一个加载中的消息
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factory Message.loading() {
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return Message(
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sessionid: '', // 会话ID
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isUser: false,
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text: '',
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timestamp: DateTime.now(),
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isRecognizing: true,
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);
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}
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// 复制并修改
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Message copyWith({
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required String sessionid, // 会话ID
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bool? isUser,
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String? text,
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DateTime? timestamp,
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bool? isRecognizing,
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bool? hasImage,
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String? imagePath,
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Map? meta,
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Map<String, Map<String, dynamic>>? functionCalls,
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bool? isToolCallsExpanded,
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}) {
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return Message(
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sessionid: sessionid, // 会话ID
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isUser: isUser ?? this.isUser,
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text: text ?? this.text,
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timestamp: timestamp ?? this.timestamp,
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isRecognizing: isRecognizing ?? this.isRecognizing,
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hasImage: hasImage ?? this.hasImage,
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imagePath: imagePath ?? this.imagePath,
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meta: meta ?? this.meta,
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functionCalls: functionCalls ?? this.functionCalls,
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isToolCallsExpanded: isToolCallsExpanded ?? this.isToolCallsExpanded,
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);
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}
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// 切换工具调用展开状态
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void toggleToolCallsExpanded() {
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isToolCallsExpanded = !isToolCallsExpanded;
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}
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}
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