155 lines
4.0 KiB
Dart
155 lines
4.0 KiB
Dart
enum MessageType {
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user,
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ai,
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system;
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}
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enum ConversationStatus {
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active,
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paused,
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completed,
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cancelled;
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String get displayName {
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switch (this) {
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case ConversationStatus.active:
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return '进行中';
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case ConversationStatus.paused:
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return '已暂停';
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case ConversationStatus.completed:
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return '已完成';
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case ConversationStatus.cancelled:
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return '已取消';
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}
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}
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}
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class ConversationMessage {
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final String id;
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final String content;
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final MessageType type;
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final DateTime timestamp;
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final String? audioUrl;
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final double? confidence; // 语音识别置信度
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final Map<String, dynamic>? metadata;
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const ConversationMessage({
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required this.id,
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required this.content,
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required this.type,
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required this.timestamp,
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this.audioUrl,
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this.confidence,
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this.metadata,
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});
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factory ConversationMessage.fromJson(Map<String, dynamic> json) {
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return ConversationMessage(
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id: json['id'] as String,
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content: json['content'] as String,
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type: MessageType.values.firstWhere(
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(e) => e.name == json['type'],
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orElse: () => MessageType.user,
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),
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timestamp: DateTime.parse(json['timestamp'] as String),
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audioUrl: json['audioUrl'] as String?,
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confidence: json['confidence'] as double?,
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metadata: json['metadata'] as Map<String, dynamic>?,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'content': content,
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'type': type.name,
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'timestamp': timestamp.toIso8601String(),
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'audioUrl': audioUrl,
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'confidence': confidence,
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'metadata': metadata,
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};
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}
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}
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class Conversation {
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final String id;
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final String taskId;
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final String userId;
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final List<ConversationMessage> messages;
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final ConversationStatus status;
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final DateTime startTime;
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final DateTime? endTime;
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final int totalDuration; // 总时长（秒）
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final Map<String, dynamic>? settings;
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const Conversation({
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required this.id,
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required this.taskId,
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required this.userId,
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required this.messages,
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required this.status,
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required this.startTime,
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this.endTime,
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required this.totalDuration,
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this.settings,
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});
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factory Conversation.fromJson(Map<String, dynamic> json) {
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return Conversation(
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id: json['id'] as String,
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taskId: json['taskId'] as String,
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userId: json['userId'] as String,
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messages: (json['messages'] as List<dynamic>)
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.map((e) => ConversationMessage.fromJson(e as Map<String, dynamic>))
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.toList(),
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status: ConversationStatus.values.firstWhere(
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(e) => e.name == json['status'],
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orElse: () => ConversationStatus.active,
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),
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startTime: DateTime.parse(json['startTime'] as String),
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endTime: json['endTime'] != null
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? DateTime.parse(json['endTime'] as String)
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: null,
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totalDuration: json['totalDuration'] as int,
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settings: json['settings'] as Map<String, dynamic>?,
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);
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'taskId': taskId,
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'userId': userId,
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'messages': messages.map((e) => e.toJson()).toList(),
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'status': status.name,
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'startTime': startTime.toIso8601String(),
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'endTime': endTime?.toIso8601String(),
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'totalDuration': totalDuration,
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'settings': settings,
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};
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}
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Conversation copyWith({
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String? id,
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String? taskId,
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String? userId,
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List<ConversationMessage>? messages,
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ConversationStatus? status,
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DateTime? startTime,
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DateTime? endTime,
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int? totalDuration,
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Map<String, dynamic>? settings,
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}) {
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return Conversation(
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id: id ?? this.id,
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taskId: taskId ?? this.taskId,
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userId: userId ?? this.userId,
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messages: messages ?? this.messages,
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status: status ?? this.status,
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startTime: startTime ?? this.startTime,
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endTime: endTime ?? this.endTime,
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totalDuration: totalDuration ?? this.totalDuration,
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settings: settings ?? this.settings,
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);
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}
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} |