103 lines
3.0 KiB
Dart
103 lines
3.0 KiB
Dart
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import 'version_source_card.dart';
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class VersionSourceGroup {
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final List<VersionSourceCardData> members;
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VersionSourceGroup(List<VersionSourceCardData> members)
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: assert(members.isNotEmpty),
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members = List.unmodifiable(members);
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VersionSourceCardData get representative => members.first;
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VersionSourceCardData? get activeMember {
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for (final member in members) {
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if (member.isCurrent || member.selected) return member;
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}
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return null;
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}
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bool get hasActiveMember => activeMember != null;
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bool get hasCurrentMember => members.any((member) => member.isCurrent);
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List<String> get serverNames =>
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List.unmodifiable([for (final member in members) member.serverName]);
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VersionSourceCardData get displayData {
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final visibleMember = activeMember ?? representative;
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final names = serverNames;
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final hasCurrent = hasCurrentMember;
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final hasSelected = !hasCurrent && members.any((member) => member.selected);
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final serverList = names.join('、');
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return VersionSourceCardData(
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topLabel: visibleMember.topLabel,
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sizeBytes: visibleMember.sizeBytes,
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bitrate: visibleMember.bitrate,
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serverName: visibleMember.serverName,
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serverKey: visibleMember.serverKey,
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isCurrent: hasCurrent,
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selected: hasSelected,
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onTap: visibleMember.onTap,
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tooltip: names.length > 1 ? '可用服务器：$serverList' : visibleMember.tooltip,
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resolutionLabel: visibleMember.resolutionLabel,
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sourceKey: visibleMember.sourceKey,
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mergedServerNames: names,
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);
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}
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}
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String? versionGroupKeyOf({
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required int? sizeBytes,
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required String resolutionLabel,
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}) {
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if (sizeBytes == null || sizeBytes <= 0) return null;
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return '$sizeBytes|${resolutionLabel.trim().toUpperCase()}';
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}
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List<VersionSourceGroup> groupVersionEntries(
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List<VersionSourceCardData> entries,
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) {
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final groupedMembers = <String, List<List<VersionSourceCardData>>>{};
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final orderedMemberLists = <List<VersionSourceCardData>>[];
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for (final entry in entries) {
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final groupKey = versionGroupKeyOf(
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sizeBytes: entry.sizeBytes,
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resolutionLabel: entry.resolutionLabel,
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);
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if (groupKey == null) {
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orderedMemberLists.add([entry]);
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continue;
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}
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final candidateGroups = groupedMembers[groupKey] ?? const [];
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List<VersionSourceCardData>? matchingGroup;
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for (final candidateGroup in candidateGroups) {
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final alreadyContainsServer = candidateGroup.any(
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(member) => member.serverKey == entry.serverKey,
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);
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if (!alreadyContainsServer) {
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matchingGroup = candidateGroup;
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break;
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}
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}
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if (matchingGroup != null && entry.serverKey.isNotEmpty) {
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matchingGroup.add(entry);
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continue;
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}
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final newMembers = <VersionSourceCardData>[entry];
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groupedMembers.putIfAbsent(groupKey, () => []).add(newMembers);
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orderedMemberLists.add(newMembers);
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}
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return [
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for (final members in orderedMemberLists) VersionSourceGroup(members),
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];
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}
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