135 lines
3.7 KiB
Dart
135 lines
3.7 KiB
Dart
// hey
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class Message {
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final String id;
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final String text;
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final int time;
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final int senderId;
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final String? status; // EDITED, DELETED, etc.
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final int? updateTime; // Время последнего редактирования
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final List<Map<String, dynamic>> attaches;
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final int? cid; // клиентский id (timestamp)
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final Map<String, dynamic>? reactionInfo; // Информация о реакциях
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final Map<String, dynamic>? link; // Информация об ответе на сообщение
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final List<Map<String, dynamic>> elements; // Форматирование текста
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Message({
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required this.id,
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required this.text,
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required this.time,
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required this.senderId,
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this.status,
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this.updateTime,
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this.attaches = const [],
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this.cid,
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this.reactionInfo,
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this.link,
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this.elements = const [],
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});
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factory Message.fromJson(Map<String, dynamic> json) {
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int senderId;
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if (json['sender'] is int) {
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senderId = json['sender'];
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} else {
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senderId = 0;
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}
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int time;
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if (json['time'] is int) {
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time = json['time'];
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} else {
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time = 0;
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}
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return Message(
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id:
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json['id']?.toString() ??
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'local_${DateTime.now().millisecondsSinceEpoch}',
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text: json['text'] ?? '',
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time: time,
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senderId: senderId, // Use the new safe logic
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status: json['status'],
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updateTime: json['updateTime'],
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attaches:
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(json['attaches'] as List?)
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?.map((e) => (e as Map).cast<String, dynamic>())
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.toList() ??
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const [],
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cid: json['cid'],
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reactionInfo: json['reactionInfo'],
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link: json['link'],
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elements:
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(json['elements'] as List?)
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?.map((e) => (e as Map).cast<String, dynamic>())
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.toList() ??
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const [],
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);
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}
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Message copyWith({
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String? id,
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String? text,
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int? time,
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int? senderId,
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String? status,
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int? updateTime,
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List<Map<String, dynamic>>? attaches,
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int? cid,
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Map<String, dynamic>? reactionInfo,
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Map<String, dynamic>? link,
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List<Map<String, dynamic>>? elements,
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}) {
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return Message(
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id: id ?? this.id,
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text: text ?? this.text,
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time: time ?? this.time,
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senderId: senderId ?? this.senderId,
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status: status ?? this.status,
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updateTime: updateTime ?? this.updateTime,
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attaches: attaches ?? this.attaches,
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cid: cid ?? this.cid,
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reactionInfo: reactionInfo ?? this.reactionInfo,
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link: link ?? this.link,
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elements: elements ?? this.elements,
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);
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}
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bool get isEdited => status == 'EDITED';
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bool get isDeleted => status == 'DELETED';
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bool get isReply => link != null && link!['type'] == 'REPLY';
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bool get isForwarded => link != null && link!['type'] == 'FORWARD';
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bool get hasFileAttach =>
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attaches.any((a) => (a['_type'] ?? a['type']) == 'FILE');
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bool canEdit(int currentUserId) {
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if (isDeleted) return false;
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if (senderId != currentUserId) return false;
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if (attaches.isNotEmpty) {
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return false; // Нельзя редактировать сообщения с вложениями
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}
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final now = DateTime.now().millisecondsSinceEpoch;
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final messageTime = time;
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final hoursSinceCreation = (now - messageTime) / (1000 * 60 * 60);
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return hoursSinceCreation <= 24;
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}
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'text': text,
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'time': time,
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'sender': senderId,
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'status': status,
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'updateTime': updateTime,
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'cid': cid,
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'attaches': attaches,
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'link': link,
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'reactionInfo': reactionInfo,
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'elements': elements,
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};
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}
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}
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