Initial commit

2026-07-14 11:11:36 +08:00
commit 656499cf94
604 changed files with 119518 additions and 0 deletions
@@ -0,0 +1,102 @@
+import 'version_source_card.dart';
+
+
+class VersionSourceGroup {
+  final List<VersionSourceCardData> members;
+
+  VersionSourceGroup(List<VersionSourceCardData> members)
+    : assert(members.isNotEmpty),
+      members = List.unmodifiable(members);
+
+  VersionSourceCardData get representative => members.first;
+
+  VersionSourceCardData? get activeMember {
+    for (final member in members) {
+      if (member.isCurrent || member.selected) return member;
+    }
+    return null;
+  }
+
+  bool get hasActiveMember => activeMember != null;
+
+  bool get hasCurrentMember => members.any((member) => member.isCurrent);
+
+  List<String> get serverNames =>
+      List.unmodifiable([for (final member in members) member.serverName]);
+
+
+  VersionSourceCardData get displayData {
+    final visibleMember = activeMember ?? representative;
+    final names = serverNames;
+    final hasCurrent = hasCurrentMember;
+    final hasSelected = !hasCurrent && members.any((member) => member.selected);
+    final serverList = names.join('、');
+
+    return VersionSourceCardData(
+      topLabel: visibleMember.topLabel,
+      sizeBytes: visibleMember.sizeBytes,
+      bitrate: visibleMember.bitrate,
+      serverName: visibleMember.serverName,
+      serverKey: visibleMember.serverKey,
+      isCurrent: hasCurrent,
+      selected: hasSelected,
+      onTap: visibleMember.onTap,
+      tooltip: names.length > 1 ? '可用服务器：$serverList' : visibleMember.tooltip,
+      resolutionLabel: visibleMember.resolutionLabel,
+      sourceKey: visibleMember.sourceKey,
+      mergedServerNames: names,
+    );
+  }
+}
+
+
+String? versionGroupKeyOf({
+  required int? sizeBytes,
+  required String resolutionLabel,
+}) {
+  if (sizeBytes == null || sizeBytes <= 0) return null;
+  return '$sizeBytes|${resolutionLabel.trim().toUpperCase()}';
+}
+
+
+List<VersionSourceGroup> groupVersionEntries(
+  List<VersionSourceCardData> entries,
+) {
+  final groupedMembers = <String, List<List<VersionSourceCardData>>>{};
+  final orderedMemberLists = <List<VersionSourceCardData>>[];
+
+  for (final entry in entries) {
+    final groupKey = versionGroupKeyOf(
+      sizeBytes: entry.sizeBytes,
+      resolutionLabel: entry.resolutionLabel,
+    );
+    if (groupKey == null) {
+      orderedMemberLists.add([entry]);
+      continue;
+    }
+
+    final candidateGroups = groupedMembers[groupKey] ?? const [];
+    List<VersionSourceCardData>? matchingGroup;
+    for (final candidateGroup in candidateGroups) {
+      final alreadyContainsServer = candidateGroup.any(
+        (member) => member.serverKey == entry.serverKey,
+      );
+      if (!alreadyContainsServer) {
+        matchingGroup = candidateGroup;
+        break;
+      }
+    }
+    if (matchingGroup != null && entry.serverKey.isNotEmpty) {
+      matchingGroup.add(entry);
+      continue;
+    }
+
+    final newMembers = <VersionSourceCardData>[entry];
+    groupedMembers.putIfAbsent(groupKey, () => []).add(newMembers);
+    orderedMemberLists.add(newMembers);
+  }
+
+  return [
+    for (final members in orderedMemberLists) VersionSourceGroup(members),
+  ];
+}