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Fix: Remove episodes from missing list on download/rescan

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- Update _update_series_in_db to sync missing episodes bidirectionally
- Add delete_by_series_and_episode method to EpisodeService
- Remove downloaded episodes from DB after successful download
- Clear anime service cache when episodes are removed
- Fix tests to use 'message' instead of 'detail' in API responses
- Mock DB operations in rescan tests
This commit is contained in:
Lukas
2025-12-15 16:17:34 +01:00
parent bf332f27e0
commit 4c9bf6b982
8 changed files with 182 additions and 33 deletions
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73
src/server/services/anime_service.py
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@@ -397,32 +397,65 @@ class AnimeService:
)
async def _update_series_in_db(self, serie, existing, db) -> None:
"""Update an existing series in the database."""
"""Update an existing series in the database.
Syncs the database episodes with the current missing episodes from scan.
- Adds new missing episodes that are not in the database
- Removes episodes from database that are no longer missing
(i.e., the file has been added to the filesystem)
"""
from src.server.database.service import AnimeSeriesService, EpisodeService
# Get existing episodes
# Get existing episodes from database
existing_episodes = await EpisodeService.get_by_series(db, existing.id)
existing_dict: dict[int, list[int]] = {}
# Build dict of existing episodes: {season: {ep_num: episode_id}}
existing_dict: dict[int, dict[int, int]] = {}
for ep in existing_episodes:
if ep.season not in existing_dict:
existing_dict[ep.season] = []
existing_dict[ep.season].append(ep.episode_number)
for season in existing_dict:
existing_dict[season].sort()
existing_dict[ep.season] = {}
existing_dict[ep.season][ep.episode_number] = ep.id
# Update episodes if changed
if existing_dict != serie.episodeDict:
new_dict = serie.episodeDict or {}
for season, episode_numbers in new_dict.items():
existing_eps = set(existing_dict.get(season, []))
for ep_num in episode_numbers:
if ep_num not in existing_eps:
await EpisodeService.create(
db=db,
series_id=existing.id,
season=season,
episode_number=ep_num,
)
# Get new missing episodes from scan
new_dict = serie.episodeDict or {}
# Build set of new missing episodes for quick lookup
new_missing_set: set[tuple[int, int]] = set()
for season, episode_numbers in new_dict.items():
for ep_num in episode_numbers:
new_missing_set.add((season, ep_num))
# Add new missing episodes that are not in the database
for season, episode_numbers in new_dict.items():
existing_season_eps = existing_dict.get(season, {})
for ep_num in episode_numbers:
if ep_num not in existing_season_eps:
await EpisodeService.create(
db=db,
series_id=existing.id,
season=season,
episode_number=ep_num,
)
logger.debug(
"Added missing episode to database: %s S%02dE%02d",
serie.key,
season,
ep_num
)
# Remove episodes from database that are no longer missing
# (i.e., the episode file now exists on the filesystem)
for season, eps_dict in existing_dict.items():
for ep_num, episode_id in eps_dict.items():
if (season, ep_num) not in new_missing_set:
await EpisodeService.delete(db, episode_id)
logger.info(
"Removed episode from database (no longer missing): "
"%s S%02dE%02d",
serie.key,
season,
ep_num
)
# Update folder if changed
if existing.folder != serie.folder: