feat: 添加日历事件订阅者功能及权限重构

apps/lib/features/calendar/data/models/schedule_item_model.dart

@@ -2,11 +2,53 @@ enum ScheduleSourceType { manual, imported, agentGenerated }
 
 enum ScheduleStatus { active, archived }
 
+class Subscriber {
+  final String userId;
+  final String? username;
+  final String? avatarUrl;
+  final String? phone;
+  final int permission;
+  final String status;
+  final DateTime subscribedAt;
+
+  static const int permissionView = 1;
+  static const int permissionInvite = 2;
+  static const int permissionEdit = 4;
+  static const int permissionDelete = 8;
+  static const int permissionOwner = 15;
+
+  bool get canEdit => (permission & permissionEdit) != 0;
+  bool get canInvite => (permission & permissionInvite) != 0;
+  bool get canDelete => (permission & permissionDelete) != 0;
+  bool get canView => (permission & permissionView) != 0;
+
+  Subscriber({
+    required this.userId,
+    this.username,
+    this.avatarUrl,
+    this.phone,
+    required this.permission,
+    required this.status,
+    required this.subscribedAt,
+  });
+
+  factory Subscriber.fromJson(Map<String, dynamic> json) {
+    return Subscriber(
+      userId: json['user_id'] as String,
+      username: json['username'] as String?,
+      avatarUrl: json['avatar_url'] as String?,
+      phone: json['phone'] as String?,
+      permission: json['permission'] as int,
+      status: json['status'] as String,
+      subscribedAt: DateTime.parse(json['subscribed_at'] as String).toLocal(),
+    );
+  }
+}
+
 class ScheduleItemModel {
   final String id;
   final String ownerId;
   final int permission;
-  final bool isOwner;
   final String title;
   final String? description;
   final DateTime startAt;
@@ -17,20 +59,23 @@ class ScheduleItemModel {
   final ScheduleStatus status;
   final DateTime createdAt;
   final DateTime updatedAt;
+  final List<Subscriber> subscribers;
 
   static const int permissionView = 1;
   static const int permissionInvite = 2;
   static const int permissionEdit = 4;
+  static const int permissionDelete = 8;
+  static const int permissionOwner = 15;
 
-  bool get canEdit => isOwner || (permission & permissionEdit) != 0;
-  bool get canInvite => isOwner || (permission & permissionInvite) != 0;
-  bool get canDelete => isOwner;
+  bool get canEdit => (permission & permissionEdit) != 0;
+  bool get canInvite => (permission & permissionInvite) != 0;
+  bool get canDelete => (permission & permissionDelete) != 0;
+  bool get isOwner => (permission & permissionOwner) != 0;
 
   ScheduleItemModel({
     required this.id,
     required this.ownerId,
     this.permission = 1,
-    this.isOwner = false,
     required this.title,
     this.description,
     required this.startAt,
@@ -41,6 +86,7 @@ class ScheduleItemModel {
     this.status = ScheduleStatus.active,
     DateTime? createdAt,
     DateTime? updatedAt,
+    this.subscribers = const [],
   }) : createdAt = createdAt ?? DateTime.now(),
        updatedAt = updatedAt ?? DateTime.now();
 
@@ -48,7 +94,6 @@ class ScheduleItemModel {
     String? id,
     String? ownerId,
     int? permission,
-    bool? isOwner,
     String? title,
     String? description,
     DateTime? startAt,
@@ -59,12 +104,12 @@ class ScheduleItemModel {
     ScheduleStatus? status,
     DateTime? createdAt,
     DateTime? updatedAt,
+    List<Subscriber>? subscribers,
   }) {
     return ScheduleItemModel(
       id: id ?? this.id,
       ownerId: ownerId ?? this.ownerId,
       permission: permission ?? this.permission,
-      isOwner: isOwner ?? this.isOwner,
       title: title ?? this.title,
       description: description ?? this.description,
       startAt: startAt ?? this.startAt,
@@ -75,15 +120,21 @@ class ScheduleItemModel {
       status: status ?? this.status,
       createdAt: createdAt ?? this.createdAt,
       updatedAt: updatedAt ?? this.updatedAt,
+      subscribers: subscribers ?? this.subscribers,
     );
   }
 
   factory ScheduleItemModel.fromJson(Map<String, dynamic> json) {
+    final subscribersList = json['subscribers'] as List<dynamic>?;
+    final subscribers =
+        subscribersList
+            ?.map((s) => Subscriber.fromJson(s as Map<String, dynamic>))
+            .toList() ??
+        [];
     return ScheduleItemModel(
       id: json['id'] as String,
       ownerId: json['owner_id'] as String,
       permission: json['permission'] as int,
-      isOwner: json['is_owner'] as bool,
       title: json['title'] as String,
       description: json['description'] as String?,
       startAt: DateTime.parse(json['start_at'] as String).toLocal(),
@@ -98,6 +149,7 @@ class ScheduleItemModel {
       status: _statusFromApi(json['status'] as String),
       createdAt: DateTime.parse(json['created_at'] as String).toLocal(),
       updatedAt: DateTime.parse(json['updated_at'] as String).toLocal(),
+      subscribers: subscribers,
     );
   }
 

apps/lib/features/calendar/data/repositories/calendar_repository.dart

@@ -138,7 +138,6 @@ class CalendarRepository extends CachedRepository<List<ScheduleItemModel>> {
       'id': item.id,
       'owner_id': item.ownerId,
       'permission': item.permission,
-      'is_owner': item.isOwner,
       'title': item.title,
       'description': item.description,
       'start_at': item.startAt.toIso8601String(),