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fix(stats): review fuzzy AniList duplicates before merging

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- Preserve merged title aliases for future episodes
- Fail closed when queued writes cannot drain
This commit is contained in:
Kyle Yasuda
2026-08-11 23:11:39 -07:00
parent 874fb22dc3
commit 528cc798ec
28 changed files with 1625 additions and 43 deletions
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src/core/services/immersion-tracker/anime-merge.ts
+25 -1
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@@ -23,6 +23,7 @@ export interface VideoMoveSummary {
}
interface AnimeMetadataRow {
normalized_title_key: string;
anilist_id: number | null;
title_romaji: string | null;
title_english: string | null;
@@ -51,7 +52,7 @@ function readAnimeMetadata(db: DatabaseSync, animeId: number): AnimeMetadataRow
return (db
.prepare(
`
SELECT anilist_id, title_romaji, title_english, title_native, episodes_total, description
SELECT normalized_title_key, anilist_id, title_romaji, title_english, title_native, episodes_total, description
FROM imm_anime
WHERE anime_id = ?
`,
@@ -177,6 +178,19 @@ export function mergeAnimeRecordsInTransaction(
'UPDATE imm_subtitle_lines SET anime_id = ?, LAST_UPDATE_DATE = ? WHERE video_id = ?',
);
const dropLifetimeStmt = db.prepare('DELETE FROM imm_lifetime_anime WHERE anime_id = ?');
const sourceAliasesStmt = db.prepare(
'SELECT normalized_title_key AS normalizedTitleKey FROM imm_anime_title_aliases WHERE anime_id = ?',
);
const upsertAliasStmt = db.prepare(
`INSERT INTO imm_anime_title_aliases(normalized_title_key, anime_id, CREATED_DATE, LAST_UPDATE_DATE)
VALUES (?, ?, ?, ?)
ON CONFLICT(normalized_title_key) DO UPDATE SET
anime_id = excluded.anime_id,
LAST_UPDATE_DATE = excluded.LAST_UPDATE_DATE`,
);
const dropSourceAliasesStmt = db.prepare(
'DELETE FROM imm_anime_title_aliases WHERE anime_id = ?',
);
const dropAnimeStmt = db.prepare('DELETE FROM imm_anime WHERE anime_id = ?');
for (const sourceAnimeId of new Set(sourceAnimeIds)) {
@@ -185,6 +199,9 @@ export function mergeAnimeRecordsInTransaction(
}
const sourceMetadata = readAnimeMetadata(db, sourceAnimeId);
const sourceAliases = sourceAliasesStmt.all(sourceAnimeId) as Array<{
normalizedTitleKey: string;
}>;
const sourceVideoIds = (sourceVideosStmt.all(sourceAnimeId) as Array<{ videoId: number }>).map(
(row) => row.videoId,
);
@@ -194,6 +211,13 @@ export function mergeAnimeRecordsInTransaction(
for (const videoId of sourceVideoIds) {
moveLinesStmt.run(targetAnimeId, updatedAt, videoId);
}
dropSourceAliasesStmt.run(sourceAnimeId);
for (const alias of [
...(sourceMetadata ? [sourceMetadata.normalized_title_key] : []),
...sourceAliases.map((row) => row.normalizedTitleKey),
]) {
upsertAliasStmt.run(alias, targetAnimeId, updatedAt, updatedAt);
}
dropLifetimeStmt.run(sourceAnimeId);
dropAnimeStmt.run(sourceAnimeId);
absorbAnimeMetadata(db, targetAnimeId, sourceMetadata, updatedAt);