Files
plezy/lib/utils/episode_collection.dart
T

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3.1 KiB
Dart

import '../media/media_item.dart';
import '../media/media_kind.dart';
import '../media/media_server_client.dart';
/// Collect every episode of a show into [out] using the backend's one-shot
/// recursive-leaves call ([MediaServerClient.fetchPlayableDescendants] —
/// Plex's `/library/metadata/{id}/allLeaves`, Jellyfin's
/// `/Items?Recursive=true&IncludeItemTypes=Movie,Episode`). Avoids walking
/// show → seasons → episodes client-side, so large series come back in one
/// trip and aren't capped by any per-page Limit.
///
/// A failure of the underlying call propagates to the caller — both
/// [DownloadProvider.queueDownload] and the sync rule executor wrap their
/// invocations so the user-facing error surfaces / the rule run is rolled
/// back.
Future<void> collectEpisodesForShow(
MediaServerClient client,
String showRatingKey, {
required bool unwatchedOnly,
required List<MediaItem> out,
MediaItem? fallback,
}) {
return _collectPlayable(client, showRatingKey, unwatchedOnly: unwatchedOnly, out: out, fallback: fallback);
}
/// Collect every episode of a single season into [out] via the same
/// one-shot endpoint. On a season the leaves *are* the episodes, so the
/// shape matches the show case.
Future<void> collectEpisodesForSeason(
MediaServerClient client,
String seasonRatingKey, {
required bool unwatchedOnly,
required List<MediaItem> out,
MediaItem? fallback,
}) {
return _collectPlayable(client, seasonRatingKey, unwatchedOnly: unwatchedOnly, out: out, fallback: fallback);
}
Future<void> _collectPlayable(
MediaServerClient client,
String parentId, {
required bool unwatchedOnly,
required List<MediaItem> out,
MediaItem? fallback,
}) async {
final leaves = await client.fetchPlayableDescendants(parentId);
for (final ep in leaves) {
if (ep.kind != MediaKind.episode) continue;
if (unwatchedOnly && ep.isWatched && !ep.hasActiveProgress) continue;
out.add(_withFallbackLibrary(ep, fallback));
}
}
MediaItem _withFallbackLibrary(MediaItem item, MediaItem? fallback) {
if (fallback == null) return item;
final fallbackIsSeason = fallback.kind == MediaKind.season;
final fallbackIsShow = fallback.kind == MediaKind.show;
return item.copyWith(
serverId: item.serverId ?? fallback.serverId,
serverName: item.serverName ?? fallback.serverName,
libraryId: item.libraryId ?? fallback.libraryId,
libraryTitle: item.libraryTitle ?? fallback.libraryTitle,
parentId: item.parentId ?? (fallbackIsSeason ? fallback.id : null),
parentTitle: item.parentTitle ?? (fallbackIsSeason ? fallback.title : null),
grandparentId: item.grandparentId ?? _fallbackGrandparentId(fallback, isShow: fallbackIsShow),
grandparentTitle: item.grandparentTitle ?? _fallbackGrandparentTitle(fallback, isShow: fallbackIsShow),
);
}
String? _fallbackGrandparentId(MediaItem fallback, {required bool isShow}) {
if (isShow) return fallback.id;
return fallback.grandparentId ?? fallback.parentId;
}
String? _fallbackGrandparentTitle(MediaItem fallback, {required bool isShow}) {
if (isShow) return fallback.title;
return fallback.grandparentTitle ?? fallback.parentTitle;
}