5e6c6fdd62
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
113 lines
3.3 KiB
Dart
113 lines
3.3 KiB
Dart
// 班级数据模型 — 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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/// 班级 — 老师创建，学生通过班级码加入
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///
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/// 班级码安全规则：
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/// - 6 位字母数字混合（62^6 约 568 亿种组合）
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/// - 有效期控制（学期结束自动失效）
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/// - 连续 5 次错误锁定 30 分钟
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class SchoolClass {
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final String id;
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final String name;
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final String schoolName;
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final String teacherId;
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final String classCode;
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final int memberCount;
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final bool isActive;
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final DateTime? expiresAt;
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final DateTime createdAt;
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final DateTime updatedAt;
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const SchoolClass({
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required this.id,
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required this.name,
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required this.schoolName,
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required this.teacherId,
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required this.classCode,
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this.memberCount = 0,
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this.isActive = true,
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this.expiresAt,
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required this.createdAt,
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required this.updatedAt,
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});
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SchoolClass copyWith({
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String? id,
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String? name,
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String? schoolName,
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String? teacherId,
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String? classCode,
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int? memberCount,
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bool? isActive,
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DateTime? expiresAt,
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bool clearExpiresAt = false,
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DateTime? createdAt,
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DateTime? updatedAt,
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}) =>
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SchoolClass(
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id: id ?? this.id,
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name: name ?? this.name,
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schoolName: schoolName ?? this.schoolName,
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teacherId: teacherId ?? this.teacherId,
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classCode: classCode ?? this.classCode,
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memberCount: memberCount ?? this.memberCount,
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isActive: isActive ?? this.isActive,
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expiresAt: clearExpiresAt ? null : (expiresAt ?? this.expiresAt),
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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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'name': name,
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'school_name': schoolName,
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'teacher_id': teacherId,
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'class_code': classCode,
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'member_count': memberCount,
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'is_active': isActive,
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'expires_at': expiresAt?.toIso8601String(),
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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 SchoolClass.fromJson(Map<String, dynamic> json) => SchoolClass(
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id: json['id'] as String,
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name: json['name'] as String,
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schoolName: json['school_name'] as String,
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teacherId: json['teacher_id'] as String,
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classCode: json['class_code'] as String,
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memberCount: (json['member_count'] as int?) ?? 0,
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isActive: (json['is_active'] as bool?) ?? true,
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expiresAt: json['expires_at'] != null
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? DateTime.parse(json['expires_at'] as String)
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: null,
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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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/// 创建新班级的工厂方法 — 自动生成 id 和时间戳
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factory SchoolClass.create({
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required String name,
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required String schoolName,
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required String teacherId,
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required String classCode,
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DateTime? expiresAt,
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}) {
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final now = DateTime.now();
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return SchoolClass(
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id: const Uuid().v4(),
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name: name,
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schoolName: schoolName,
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teacherId: teacherId,
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classCode: classCode,
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memberCount: 0,
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isActive: true,
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expiresAt: expiresAt,
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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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