timothy 6f4497e1ce fix(484): guard the nested TV season and episode sweeps against projection failures
Review finding 1 (blocking). ScanSeasons' FlagFileNotFoundSeasons and ScanEpisodes'
FlagFileNotFoundEpisodes had no guard at all — neither #477's nor #484's — so ProjectToSeason /
ProjectToEpisode returning Failed() was computed and discarded.

#477 scoped those out because "the blast radius is one show's seasons / one season's episodes",
which holds for a per-parent EMPTY fetch but not for a projection failure: that is systematic by
construction. One bad code path fires on every parent, so every season enumerates zero episodes,
existing.Except([]) is the whole episode library, and EmptyTrashHandler deletes it permanently.

Threads the counter into GetSeasonLibraryItems / GetEpisodeLibraryItems(WithoutPeople) for
Jellyfin and Emby using the same optional-trailing-param shape, and guards both sweeps with
MediaServerReconciliationGuard.ShouldFlagMissingDescendants — the same class and the same private
failure predicate as ShouldFlagMissing, deliberately WITHOUT #477's empty-fetch branch so
per-parent empty behaviour (and #476's cascade, which depends on it) is unchanged.

Also from the review:
- finding 3: tests now pin the same-instance JOIN at every level (movie, show, season, episode,
  music video) by driving the real ScanLibrary entry point and recording the failure from inside
  the enumeration, so a refactor handing the api client a fresh counter goes red.
- finding 4: the missing-library Failed() branch is documented as defensive and unreachable.
- finding 2: the mass-Skip residual (Emby's response-shape-dependent MediaSources guard, Plex's
  pre-projection filter) is stated as a known limitation in the decision record.
- finding 5: the log-contract change (only the #484 message when both refusals apply) is noted.

fixes #484
2026-07-25 16:36:35 +02:00
2022-04-28 06:56:01 -05:00
2025-11-11 06:12:46 -06:00
2021-02-08 21:13:53 -06:00
2023-08-13 09:33:33 -05:00
2025-11-26 10:49:01 -06:00
2026-02-24 15:27:51 -06:00

ErsatzTV

ErsatzTV lets you transform your media library into a personalized, live TV experience - complete with EPG, channel scheduling, and seamless streaming to all your devices. Rediscover your content, your way.

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How It Works

  1. Install ErsatzTV: Download and set up the server on your system.
  2. Add Your Media: Connect your media libraries and collections.
  3. Create Channels: Design and schedule your own live channels.
  4. Stream Anywhere: Watch on any device with IPTV and EPG support.

Key Features

  • Custom channels: Create and schedule your own live TV channels.
  • IPTV & EPG: Stream with IPTV and Electronic Program Guide support.
  • Hardware Transcoding: High-performance streaming with hardware acceleration (NVENC, QSV, VAAPI, AMF, VideoToolbox)
  • Media Server Integration: Connect Plex, Jellyfin, Emby and more.
  • Music & Subtitles: Mix music videos and enjoy subtitle support.
  • Open Source: Free, open, and community-driven project.

Documentation

Documentation is available at ersatztv.org.

License

This project is inspired by pseudotv-plex and the dizquetv fork and is released under the zlib license.

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