业务更新User所需(企业成员、聊天室群组成员)
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66
apps/im_app/lib/domain/entities/group_member.dart
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66
apps/im_app/lib/domain/entities/group_member.dart
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import 'package:im_app/domain/entities/user.dart';
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/// 群组成员的部分 [User] 表示,数据来源于群组成员接口。
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///
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/// 群组 API 返回的用户信息不完整,仅保证身份和在线状态字段有效。
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/// 构造函数中未列出的 [User] 字段均为 null,不应依赖这些字段。
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///
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/// ## 何时使用 [GroupMember] vs [User]
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/// - 渲染群组成员列表、成员头像等场景使用 [GroupMember]
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/// - 需要联系方式、音效设置、好友关系等完整信息时,
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/// 请通过用户详情接口获取完整的 [User]
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///
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/// ## 数据流
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/// ```
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/// 群组 API 响应
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/// → GroupMember.fromJson() ← 群组专用字段(user_id、icon…)
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/// → ★ GroupMember ★
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/// → 仍是合法的 [User],可在任何需要 [User] 的地方使用
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/// ```
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class GroupMember extends User {
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const GroupMember({
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required super.uid,
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super.nickname,
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super.profilePic,
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super.profilePicGaussian,
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super.lastOnline,
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super.deletedAt,
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super.role,
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super.requireUpsert = true,
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});
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/// 从群组成员 JSON 数据创建 [GroupMember]。
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///
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/// 注意群组 API 使用了与用户接口不同的字段名:
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/// - `user_id` → [uid] (非 `uid`)
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/// - `user_name` → [nickname] (非 `nickname`)
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/// - `icon` → [profilePic] (非 `profile_pic`)
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/// - `icon_gaussian` → [profilePicGaussian]
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/// - `delete_time` → [deletedAt] (非 `deleted_at`)
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factory GroupMember.fromJson(Map<String, dynamic> json) => GroupMember(
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uid: json['user_id'] as int,
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nickname: json['user_name'],
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profilePic: json['icon'],
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profilePicGaussian: json['icon_gaussian'],
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lastOnline: json['last_online'],
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deletedAt: json['delete_time'],
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role: json['role'],
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);
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/// 序列化为群组成员 JSON 格式。
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///
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/// 字段名与 [fromJson] 保持对称。
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/// `id`/`user_id`、`nickname`/`user_name`、`icon`/`profile_pic`
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/// 同时输出两种命名,兼容不同约定的下游消费方。
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Map<String, dynamic> toJson() => {
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'id': uid,
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'user_id': uid,
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'user_name': nickname,
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'nickname': nickname, // 兼容旧命名
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'icon': profilePic,
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'profile_pic': profilePic, // 兼容旧命名
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'icon_gaussian': profilePicGaussian,
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'last_online': lastOnline,
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'delete_time': deletedAt,
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};
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}
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