51 lines
1.5 KiB
Dart
51 lines
1.5 KiB
Dart
class ChatInfo {
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final Map<String, dynamic> raw;
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final List<int> participantIds;
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final Set<int> adminIds;
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final int? owner;
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const ChatInfo({
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required this.raw,
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required this.participantIds,
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required this.adminIds,
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required this.owner,
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});
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factory ChatInfo.fromMap(Map<String, dynamic> map) {
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return ChatInfo(
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raw: map,
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participantIds: _idKeys(map['participants']),
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adminIds: _idKeys(map['adminParticipants']).toSet(),
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owner: map['owner'] as int?,
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);
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}
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bool isAdmin(int id) => adminIds.contains(id);
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bool isOwner(int id) => owner != null && id == owner;
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String? adminAlias(int id) {
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final source = raw['adminParticipants'];
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if (source is! Map) return null;
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final entry = source[id.toString()] ?? source[id];
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if (entry is! Map) return null;
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final alias = entry['alias'];
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if (alias is String && alias.trim().isNotEmpty) return alias.trim();
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return null;
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}
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int? get participantsCount => raw['participantsCount'] as int?;
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int? get blockedParticipantsCount => raw['blockedParticipantsCount'] as int?;
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String? get link => raw['link'] as String?;
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String? get description => raw['description'] as String?;
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static List<int> _idKeys(Object? source) {
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if (source is! Map) return const [];
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final out = <int>[];
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for (final key in source.keys) {
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final id = key is int ? key : int.tryParse(key.toString());
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if (id != null) out.add(id);
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}
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return out;
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}
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}
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