feat(diary): 数据层 + 班级系统 (Phase F1 + B3)
Flutter 数据层 (Phase F1): - journal_entry.dart: 日记数据模型 (Mood/Weather/tags/version) - journal_element.dart: 元素模型 (text/image/sticker/handwriting_ref/tape) - school_class.dart: 班级模型 - user_settings.dart: 用户设置 (主题/画笔/字号) - isar_database.dart: Isar 初始化 - api_client.dart: Dio + JWT注入 + 离线感知 + 401处理 - journal_repository.dart: 抽象接口 + InMemory实现 (乐观锁) - sync_engine.dart: WiFi同步 + 操作队列 + 重试(5次) + 快照持久化 Rust 班级系统 (Phase B3): - class_service.rs: 创建班级(6位码) + 加入班级 + 成员管理 - topic_service.rs: 老师布置主题 + 主题列表 - comment_service.rs: 老师点评 + 评语列表 - class_handler.rs: 5个API端点 + 权限守卫 - topic_handler.rs: 2个API端点 - comment_handler.rs: 2个API端点 - dto.rs: 新增5个DTO (ClassMemberResp/CreateTopicReq/TopicResp/CreateCommentReq/CommentResp) - 6条新路由注册 验证: cargo check 通过, 433测试全绿, flutter analyze 1 warning
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iven
172
app/lib/data/models/journal_entry.dart
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172
app/lib/data/models/journal_entry.dart
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// 日记条目数据模型 — 手写不可变类（避免 build_runner 依赖）
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import 'package:uuid/uuid.dart';
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/// 心情枚举 — 对应日记心情选择器
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enum Mood {
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happy('happy'),
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calm('calm'),
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sad('sad'),
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angry('angry'),
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thinking('thinking');
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const Mood(this.value);
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final String value;
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}
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/// 天气枚举 — 对应日记天气标签
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enum Weather {
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sunny('sunny'),
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cloudy('cloudy'),
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rainy('rainy'),
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snowy('snowy'),
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windy('windy');
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const Weather(this.value);
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final String value;
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}
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/// 日记条目 — 核心数据模型
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///
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/// 每篇日记包含标题、日期、心情、天气、标签等元信息。
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/// 日记的具体内容（文字/图片/手写/贴纸）通过 [JournalElement] 管理。
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class JournalEntry {
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final String id;
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final String authorId;
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final String? classId;
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final String title;
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final DateTime date;
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final Mood mood;
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final Weather weather;
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final List<String> tags;
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final bool isPrivate;
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final bool sharedToClass;
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final String? assignedTopicId;
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final int version;
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final DateTime createdAt;
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final DateTime updatedAt;
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const JournalEntry({
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required this.id,
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required this.authorId,
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this.classId,
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required this.title,
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required this.date,
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this.mood = Mood.calm,
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this.weather = Weather.sunny,
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this.tags = const [],
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this.isPrivate = true,
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this.sharedToClass = false,
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this.assignedTopicId,
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this.version = 1,
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required this.createdAt,
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required this.updatedAt,
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});
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JournalEntry copyWith({
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String? id,
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String? authorId,
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String? classId,
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bool clearClassId = false,
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String? title,
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DateTime? date,
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Mood? mood,
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Weather? weather,
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List<String>? tags,
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bool? isPrivate,
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bool? sharedToClass,
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String? assignedTopicId,
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bool clearAssignedTopicId = false,
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int? version,
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DateTime? createdAt,
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DateTime? updatedAt,
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}) =>
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JournalEntry(
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id: id ?? this.id,
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authorId: authorId ?? this.authorId,
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classId: clearClassId ? null : (classId ?? this.classId),
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title: title ?? this.title,
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date: date ?? this.date,
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mood: mood ?? this.mood,
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weather: weather ?? this.weather,
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tags: tags ?? this.tags,
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isPrivate: isPrivate ?? this.isPrivate,
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sharedToClass: sharedToClass ?? this.sharedToClass,
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assignedTopicId:
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clearAssignedTopicId ? null : (assignedTopicId ?? this.assignedTopicId),
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version: version ?? this.version,
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createdAt: createdAt ?? this.createdAt,
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updatedAt: updatedAt ?? this.updatedAt,
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);
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Map<String, dynamic> toJson() => {
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'id': id,
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'author_id': authorId,
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'class_id': classId,
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'title': title,
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'date': date.toIso8601String(),
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'mood': mood.value,
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'weather': weather.value,
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'tags': tags,
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'is_private': isPrivate,
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'shared_to_class': sharedToClass,
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'assigned_topic_id': assignedTopicId,
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'version': version,
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'created_at': createdAt.toIso8601String(),
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'updated_at': updatedAt.toIso8601String(),
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};
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factory JournalEntry.fromJson(Map<String, dynamic> json) => JournalEntry(
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id: json['id'] as String,
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authorId: json['author_id'] as String,
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classId: json['class_id'] as String?,
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title: json['title'] as String,
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date: DateTime.parse(json['date'] as String),
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mood: Mood.values.firstWhere(
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(m) => m.value == json['mood'],
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orElse: () => Mood.calm,
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),
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weather: Weather.values.firstWhere(
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(w) => w.value == json['weather'],
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orElse: () => Weather.sunny,
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),
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tags: List<String>.from(json['tags'] as List? ?? []),
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isPrivate: (json['is_private'] as bool?) ?? true,
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sharedToClass: (json['shared_to_class'] as bool?) ?? false,
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assignedTopicId: json['assigned_topic_id'] as String?,
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version: (json['version'] as int?) ?? 1,
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createdAt: DateTime.parse(json['created_at'] as String),
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updatedAt: DateTime.parse(json['updated_at'] as String),
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);
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/// 创建新日记的工厂方法 — 自动生成 id 和时间戳
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factory JournalEntry.create({
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required String authorId,
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required String title,
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required DateTime date,
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String? classId,
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Mood mood = Mood.calm,
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Weather weather = Weather.sunny,
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List<String> tags = const [],
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bool isPrivate = true,
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String? assignedTopicId,
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}) {
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final now = DateTime.now();
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return JournalEntry(
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id: const Uuid().v4(),
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authorId: authorId,
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classId: classId,
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title: title,
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date: date,
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mood: mood,
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weather: weather,
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tags: tags,
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isPrivate: isPrivate,
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sharedToClass: false,
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assignedTopicId: assignedTopicId,
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version: 1,
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createdAt: now,
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updatedAt: now,
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);
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}
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}
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