edde746
eb3ed45af1
Deduplicates the hand-rolled coalescing/caching maps, the Plex client cast, the missing-serverId event guard and the progress-failure backoff, and drops the MusicPlaybackService availability gate, which could never fail in production.
49 lines
1.9 KiB
Dart
49 lines
1.9 KiB
Dart
import '../media/ids.dart';
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import '../media/media_item.dart';
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import 'app_logger.dart';
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import 'global_key_utils.dart';
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/// Builds the id filter for a screen showing [items].
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///
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/// Each item contributes itself plus its parent and grandparent, because an
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/// event on a season or show also changes how its episodes render.
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Set<String> hierarchicalEventIds(Iterable<MediaItem> items) {
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final keys = <String>{};
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for (final item in items) {
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keys.add(item.id);
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if (item.parentId != null) keys.add(item.parentId!);
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if (item.grandparentId != null) keys.add(item.grandparentId!);
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}
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return keys;
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}
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/// The [hierarchicalEventIds] filter expressed as `serverId:ratingKey` keys.
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///
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/// Items without a server id fall back to [fallbackServerId]; if that is also
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/// missing the whole filter collapses to `null`, which callers use to fall back
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/// to id-only matching rather than silently under-matching.
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Set<String>? hierarchicalEventGlobalKeys(Iterable<MediaItem> items, {String? fallbackServerId}) {
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final keys = <String>{};
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for (final item in items) {
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final rawServerId = item.serverId ?? fallbackServerId;
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if (rawServerId == null) return null;
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final serverId = ServerId(rawServerId);
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keys.add(buildGlobalKey(serverId, item.id));
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if (item.parentId != null) keys.add(buildGlobalKey(serverId, item.parentId!));
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if (item.grandparentId != null) keys.add(buildGlobalKey(serverId, item.grandparentId!));
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}
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return keys;
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}
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/// The [ServerId] an event emitted for [item] should carry, or `null` — after
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/// warning as `<notifier>: … skipping <event> event` — when the item carries
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/// none, since an event without a server id cannot be routed to subscribers.
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ServerId? serverIdForEvent(MediaItem item, {required String notifier, required String event}) {
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final serverId = serverIdOrNull(item.serverId);
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if (serverId == null) {
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appLogger.w('$notifier: missing serverId for ${item.id}, skipping $event event');
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}
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return serverId;
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}
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