init

client/lib/features/speaking/models/conversation.dart

@@ -0,0 +1,155 @@
+enum MessageType {
+  user,
+  ai,
+  system;
+}
+
+enum ConversationStatus {
+  active,
+  paused,
+  completed,
+  cancelled;
+
+  String get displayName {
+    switch (this) {
+      case ConversationStatus.active:
+        return '进行中';
+      case ConversationStatus.paused:
+        return '已暂停';
+      case ConversationStatus.completed:
+        return '已完成';
+      case ConversationStatus.cancelled:
+        return '已取消';
+    }
+  }
+}
+
+class ConversationMessage {
+  final String id;
+  final String content;
+  final MessageType type;
+  final DateTime timestamp;
+  final String? audioUrl;
+  final double? confidence; // 语音识别置信度
+  final Map<String, dynamic>? metadata;
+
+  const ConversationMessage({
+    required this.id,
+    required this.content,
+    required this.type,
+    required this.timestamp,
+    this.audioUrl,
+    this.confidence,
+    this.metadata,
+  });
+
+  factory ConversationMessage.fromJson(Map<String, dynamic> json) {
+    return ConversationMessage(
+      id: json['id'] as String,
+      content: json['content'] as String,
+      type: MessageType.values.firstWhere(
+        (e) => e.name == json['type'],
+        orElse: () => MessageType.user,
+      ),
+      timestamp: DateTime.parse(json['timestamp'] as String),
+      audioUrl: json['audioUrl'] as String?,
+      confidence: json['confidence'] as double?,
+      metadata: json['metadata'] as Map<String, dynamic>?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'content': content,
+      'type': type.name,
+      'timestamp': timestamp.toIso8601String(),
+      'audioUrl': audioUrl,
+      'confidence': confidence,
+      'metadata': metadata,
+    };
+  }
+}
+
+class Conversation {
+  final String id;
+  final String taskId;
+  final String userId;
+  final List<ConversationMessage> messages;
+  final ConversationStatus status;
+  final DateTime startTime;
+  final DateTime? endTime;
+  final int totalDuration; // 总时长（秒）
+  final Map<String, dynamic>? settings;
+
+  const Conversation({
+    required this.id,
+    required this.taskId,
+    required this.userId,
+    required this.messages,
+    required this.status,
+    required this.startTime,
+    this.endTime,
+    required this.totalDuration,
+    this.settings,
+  });
+
+  factory Conversation.fromJson(Map<String, dynamic> json) {
+    return Conversation(
+      id: json['id'] as String,
+      taskId: json['taskId'] as String,
+      userId: json['userId'] as String,
+      messages: (json['messages'] as List<dynamic>)
+          .map((e) => ConversationMessage.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      status: ConversationStatus.values.firstWhere(
+        (e) => e.name == json['status'],
+        orElse: () => ConversationStatus.active,
+      ),
+      startTime: DateTime.parse(json['startTime'] as String),
+      endTime: json['endTime'] != null
+          ? DateTime.parse(json['endTime'] as String)
+          : null,
+      totalDuration: json['totalDuration'] as int,
+      settings: json['settings'] as Map<String, dynamic>?,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'taskId': taskId,
+      'userId': userId,
+      'messages': messages.map((e) => e.toJson()).toList(),
+      'status': status.name,
+      'startTime': startTime.toIso8601String(),
+      'endTime': endTime?.toIso8601String(),
+      'totalDuration': totalDuration,
+      'settings': settings,
+    };
+  }
+
+  Conversation copyWith({
+    String? id,
+    String? taskId,
+    String? userId,
+    List<ConversationMessage>? messages,
+    ConversationStatus? status,
+    DateTime? startTime,
+    DateTime? endTime,
+    int? totalDuration,
+    Map<String, dynamic>? settings,
+  }) {
+    return Conversation(
+      id: id ?? this.id,
+      taskId: taskId ?? this.taskId,
+      userId: userId ?? this.userId,
+      messages: messages ?? this.messages,
+      status: status ?? this.status,
+      startTime: startTime ?? this.startTime,
+      endTime: endTime ?? this.endTime,
+      totalDuration: totalDuration ?? this.totalDuration,
+      settings: settings ?? this.settings,
+    );
+  }
+}