261 lines
7.8 KiB
Dart
261 lines
7.8 KiB
Dart
// ============================================================
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// 闲言APP — 会话模型
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// 创建时间: 2026-05-01
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// 更新时间: 2026-06-01
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// 作用: 发现页面会话列表数据模型，支持置顶/隐藏/备注/已读/免打扰
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// 上次更新: 添加ChatSessionL10n扩展，支持会话名称/描述实时多语言解析
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// ============================================================
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import 'package:xianyan/l10n/types/t_discover_base.dart';
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enum ChatSessionType {
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chat('chat', '会话流'),
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discover('discover', '发现'),
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footprint('footprint', '足迹'),
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custom('custom', '自定义'),
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readlater('readlater', '稍后读');
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const ChatSessionType(this.id, this.label);
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final String id;
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final String label;
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}
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class ChatSession {
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const ChatSession({
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required this.id,
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required this.type,
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required this.emoji,
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required this.name,
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required this.lastMessage,
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required this.lastTime,
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this.remark,
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this.isPinned = false,
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this.isHidden = false,
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this.unreadCount = 0,
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this.isMuted = false,
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this.route,
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this.tag,
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this.subtitle,
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});
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final String id;
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final ChatSessionType type;
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final String emoji;
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final String name;
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final String lastMessage;
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final DateTime lastTime;
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final String? remark;
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final bool isPinned;
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final bool isHidden;
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final int unreadCount;
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final bool isMuted;
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final String? route;
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final String? tag;
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final String? subtitle;
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String get displayName => remark ?? name;
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String get displayTime {
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final now = DateTime.now();
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final today = DateTime(now.year, now.month, now.day);
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final yesterday = today.subtract(const Duration(days: 1));
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final msgDate = DateTime(lastTime.year, lastTime.month, lastTime.day);
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if (msgDate == today) {
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return '${lastTime.hour.toString().padLeft(2, '0')}:${lastTime.minute.toString().padLeft(2, '0')}';
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} else if (msgDate == yesterday) {
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return '昨天';
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} else if (lastTime.year == now.year) {
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return '${lastTime.month.toString().padLeft(2, '0')}/${lastTime.day.toString().padLeft(2, '0')}';
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} else {
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return '${lastTime.year}/${lastTime.month.toString().padLeft(2, '0')}/${lastTime.day.toString().padLeft(2, '0')}';
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}
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}
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ChatSession copyWith({
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String? id,
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ChatSessionType? type,
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String? emoji,
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String? name,
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String? lastMessage,
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DateTime? lastTime,
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String? remark,
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bool? isPinned,
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bool? isHidden,
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int? unreadCount,
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bool? isMuted,
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String? route,
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String? tag,
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String? subtitle,
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}) {
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return ChatSession(
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id: id ?? this.id,
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type: type ?? this.type,
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emoji: emoji ?? this.emoji,
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name: name ?? this.name,
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lastMessage: lastMessage ?? this.lastMessage,
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lastTime: lastTime ?? this.lastTime,
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remark: remark ?? this.remark,
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isPinned: isPinned ?? this.isPinned,
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isHidden: isHidden ?? this.isHidden,
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unreadCount: unreadCount ?? this.unreadCount,
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isMuted: isMuted ?? this.isMuted,
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route: route ?? this.route,
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tag: tag ?? this.tag,
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subtitle: subtitle ?? this.subtitle,
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);
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}
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}
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/// 系统会话ID常量（唯一权威定义，Provider层引用此处）
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class SystemSessionIds {
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static const readlater = 'readlater';
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static const discover = 'discover';
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static const footprint = 'footprint';
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static const dailyCard = 'daily_card';
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static const template = 'template';
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static const readingReport = 'reading_report';
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static const weather = 'weather';
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static const poetry = 'poetry';
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static const countdown = 'countdown';
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static const dailyFortune = 'daily_fortune';
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static const solarTerm = 'solar_term';
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static const knowledgeGraph = 'knowledge_graph';
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static const studyPlan = 'study_plan';
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static const progress = 'progress';
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static const fileTransfer = 'file_transfer';
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static const rssFeed = 'rss_feed';
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static const translate = 'translate';
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static const leisure = 'leisure';
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static const all = {
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readlater,
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discover,
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footprint,
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dailyCard,
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template,
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readingReport,
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weather,
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poetry,
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countdown,
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dailyFortune,
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solarTerm,
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knowledgeGraph,
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studyPlan,
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progress,
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fileTransfer,
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rssFeed,
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translate,
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leisure,
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};
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static bool isSystem(String id) => all.contains(id);
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}
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/// 会话多语言扩展 — 在UI层实时解析翻译，切换语言时自动响应
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extension ChatSessionL10n on ChatSession {
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/// 获取本地化的显示名称（优先使用备注，其次使用翻译名）
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String localizedName(TDiscoverBase t) {
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if (remark != null && remark!.isNotEmpty) return remark!;
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final translated = _resolveName(t);
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return translated ?? name;
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}
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/// 获取本地化的描述/最后消息
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String localizedLastMessage(TDiscoverBase t) {
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final translated = _resolveDesc(t);
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return translated ?? lastMessage;
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}
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/// 获取本地化的副标题
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String localizedSubtitle(TDiscoverBase t) {
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final translated = _resolveDesc(t);
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return translated ?? subtitle ?? lastMessage;
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}
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/// 是否为系统会话（需要翻译）
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bool get isSystemSession => SystemSessionIds.isSystem(id);
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String? _resolveName(TDiscoverBase t) {
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switch (id) {
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case SystemSessionIds.readlater:
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return t.sessionReadLater;
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case SystemSessionIds.discover:
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return t.sessionInspiration;
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case SystemSessionIds.footprint:
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return t.sessionFootprint;
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case SystemSessionIds.dailyCard:
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return t.sessionDailyCard;
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case SystemSessionIds.template:
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return t.sessionTemplate;
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case SystemSessionIds.readingReport:
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return t.sessionReadingReport;
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case SystemSessionIds.weather:
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return t.sessionWeather;
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case SystemSessionIds.poetry:
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return t.sessionPoetry;
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case SystemSessionIds.dailyFortune:
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return t.sessionDailyFortune;
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case SystemSessionIds.solarTerm:
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return t.sessionSolarTerm;
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case SystemSessionIds.knowledgeGraph:
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return t.sessionKnowledgeGraph;
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case SystemSessionIds.studyPlan:
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return t.sessionStudyPlan;
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case SystemSessionIds.progress:
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return t.sessionProgress;
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case SystemSessionIds.fileTransfer:
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return t.sessionFileTransfer;
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case SystemSessionIds.rssFeed:
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return t.sessionRssFeed;
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case SystemSessionIds.translate:
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return t.sessionTranslate;
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case SystemSessionIds.leisure:
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return t.sessionLeisure;
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default:
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return null;
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}
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}
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String? _resolveDesc(TDiscoverBase t) {
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switch (id) {
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case SystemSessionIds.readlater:
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return t.sessionReadLaterDesc;
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case SystemSessionIds.discover:
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return t.sessionInspirationDesc;
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case SystemSessionIds.footprint:
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return t.sessionFootprintDesc;
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case SystemSessionIds.dailyCard:
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return t.sessionDailyCardDesc;
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case SystemSessionIds.template:
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return t.sessionTemplateDesc;
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case SystemSessionIds.readingReport:
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return t.sessionReadingReportDesc;
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case SystemSessionIds.weather:
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return t.sessionWeatherDesc;
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case SystemSessionIds.poetry:
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return t.sessionPoetryDesc;
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case SystemSessionIds.dailyFortune:
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return t.sessionDailyFortuneDesc;
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case SystemSessionIds.solarTerm:
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return t.sessionSolarTermDesc;
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case SystemSessionIds.knowledgeGraph:
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return t.sessionKnowledgeGraphDesc;
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case SystemSessionIds.studyPlan:
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return t.sessionStudyPlanDesc;
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case SystemSessionIds.progress:
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return t.sessionProgressDesc;
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case SystemSessionIds.fileTransfer:
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return t.sessionFileTransferDesc;
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case SystemSessionIds.rssFeed:
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return t.sessionRssFeedDesc;
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case SystemSessionIds.translate:
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return t.sessionTranslateDesc;
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case SystemSessionIds.leisure:
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return t.sessionLeisureDesc;
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default:
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return null;
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}
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}
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}
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