58c5e424d9
reKeyMediaItem was called with item_key values (e.g. "lib1:movie:Inception") but media_tags stores keys in the shorter UI format (e.g. "lib1:Inception"), so the UPDATE never matched any rows. Add itemKeyToMediaKey() to extract the terminal segment of an item_key and reconstruct the media_key format the UI uses: lib1:movie:Inception%20(2010) → lib1:Inception%20(2010) lib1:tv_episode:Show:Season1:ep.mkv → lib1:ep.mkv lib1:mixed_file:dir%2Ffile.mp4 → lib1:dir%2Ffile.mp4 Also skip the UPDATE when old and new media_keys are identical (e.g. a TV episode moved between seasons keeps the same filename-based media_key). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
602 lines
21 KiB
TypeScript
602 lines
21 KiB
TypeScript
import path from 'path'
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import type Database from 'better-sqlite3'
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import type { Library, Movie, TvSeries, TvSeason, TvEpisode, Game, GameSeries } from '@/types'
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import { getDb } from './db'
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import { getLibraries, resolveLibraryRoot } from './libraries'
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import { setScanLastRan } from './app-settings'
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import { scanMoviesLibrary } from './movies'
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import { scanTvLibrary, scanTvSeasons, scanTvEpisodes } from './tv'
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import { scanGamesLibrary } from './games'
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import { getThumbnailPath } from './thumbnails'
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import { computeFingerprint } from './fingerprint'
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import { reKeyMediaItem } from './tags'
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import { VIDEO_EXTENSIONS } from './media-utils'
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const IMAGE_EXTENSIONS = new Set(['.jpg', '.jpeg', '.png', '.gif', '.webp', '.bmp'])
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let scanRunning = false
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export function isScanRunning(): boolean {
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return scanRunning
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}
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export async function runFullScan(): Promise<void> {
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if (scanRunning) return
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scanRunning = true
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console.log('[scanner] Starting full library scan')
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try {
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const libraries = getLibraries()
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for (const library of libraries) {
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try {
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await runLibraryScan(library)
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} catch (err) {
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console.error(`[scanner] Error scanning library "${library.name}":`, err)
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}
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}
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const now = Date.now()
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setScanLastRan(now)
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console.log('[scanner] Full scan complete')
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} finally {
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scanRunning = false
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}
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}
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export async function runLibraryScan(library: Library): Promise<void> {
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const libraryRoot = resolveLibraryRoot(library)
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console.log(`[scanner] Scanning library "${library.name}" (${library.type}) at ${libraryRoot}`)
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switch (library.type) {
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case 'movies':
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await scanMovies(library, libraryRoot)
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break
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case 'tv':
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await scanTv(library, libraryRoot)
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break
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case 'games':
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await scanGames(library, libraryRoot)
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break
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case 'mixed':
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await scanMixed(library, libraryRoot)
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break
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}
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}
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// ---------------------------------------------------------------------------
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// Movies
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// ---------------------------------------------------------------------------
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async function scanMovies(library: Library, libraryRoot: string): Promise<void> {
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const movies = scanMoviesLibrary(libraryRoot, library.id)
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const db = getDb()
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const now = Date.now()
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// Build new items map: item_key → { fingerprint, movie }
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type MovieEntry = { fingerprint: string | null; movie: Movie }
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const newItems = new Map<string, MovieEntry>()
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for (const movie of movies) {
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const itemKey = `${library.id}:movie:${movie.id}`
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const fingerprint = movie.videoPath
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? computeFingerprint(path.join(libraryRoot, movie.videoPath))
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: null
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newItems.set(itemKey, { fingerprint, movie })
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}
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// Detect moves using fingerprints
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const moves = detectMoves(db, library.id, newItems)
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// Apply renames + prune stale rows
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reconcileAndPrune(db, library.id, new Set(newItems.keys()), moves)
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const upsert = db.prepare(`
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INSERT INTO media_items (library_id, item_key, item_type, title, year, plot, genres, metadata, file_path, fingerprint, scanned_at)
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VALUES (@library_id, @item_key, @item_type, @title, @year, @plot, @genres, @metadata, @file_path, @fingerprint, @scanned_at)
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ON CONFLICT(item_key) DO UPDATE SET
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title = excluded.title,
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year = excluded.year,
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plot = excluded.plot,
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genres = excluded.genres,
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metadata = excluded.metadata,
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file_path = excluded.file_path,
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fingerprint = excluded.fingerprint,
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scanned_at = excluded.scanned_at
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`)
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for (const [itemKey, { fingerprint, movie }] of newItems) {
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upsert.run({
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library_id: library.id,
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item_key: itemKey,
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item_type: 'movie',
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title: movie.title,
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year: movie.year ?? null,
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plot: movie.plot ?? null,
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genres: JSON.stringify(movie.genres),
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metadata: JSON.stringify({
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rating: movie.rating,
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runtime: movie.runtime,
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posterUrl: movie.posterUrl,
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backdropUrl: movie.backdropUrl,
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}),
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file_path: movie.videoPath,
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fingerprint,
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scanned_at: now,
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})
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if (movie.posterUrl) {
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await prewarmThumbnailFromUrl(movie.posterUrl, library.id, libraryRoot, 'image')
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}
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}
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console.log(`[scanner] movies: indexed ${movies.length} items`)
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}
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// ---------------------------------------------------------------------------
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// TV
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// ---------------------------------------------------------------------------
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async function scanTv(library: Library, libraryRoot: string): Promise<void> {
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const db = getDb()
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const now = Date.now()
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// Single filesystem pass — collect everything before touching the DB
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type SeasonRow = { season: TvSeason; seasonKey: string; episodes: EpisodeRow[] }
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type EpisodeRow = { episode: TvEpisode; episodeKey: string; fingerprint: string | null }
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type SeriesRow = { show: TvSeries; seriesKey: string; seasons: SeasonRow[] }
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const allSeries: SeriesRow[] = []
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const newKeys = new Set<string>()
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const newEpisodes = new Map<string, { fingerprint: string | null }>()
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for (const show of scanTvLibrary(libraryRoot, library.id)) {
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const seriesKey = `${library.id}:tv_series:${show.id}`
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newKeys.add(seriesKey)
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const seasonRows: SeasonRow[] = []
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for (const season of scanTvSeasons(libraryRoot, library.id, show.id)) {
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const seasonKey = `${library.id}:tv_season:${show.id}:${season.id}`
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newKeys.add(seasonKey)
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const episodeRows: EpisodeRow[] = []
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for (const episode of scanTvEpisodes(libraryRoot, library.id, show.id, season.id)) {
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const episodeKey = `${library.id}:tv_episode:${show.id}:${season.id}:${episode.id}`
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newKeys.add(episodeKey)
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const fingerprint = episode.videoPath
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? computeFingerprint(path.join(libraryRoot, episode.videoPath))
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: null
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episodeRows.push({ episode, episodeKey, fingerprint })
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newEpisodes.set(episodeKey, { fingerprint })
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}
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seasonRows.push({ season, seasonKey, episodes: episodeRows })
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}
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allSeries.push({ show, seriesKey, seasons: seasonRows })
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}
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// Detect moves among episodes (only episodes have fingerprints)
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const moves = detectMoves(db, library.id, newEpisodes)
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// Apply renames + prune stale rows (series, seasons, and episodes)
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reconcileAndPrune(db, library.id, newKeys, moves)
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const upsertSeries = db.prepare(`
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INSERT INTO media_items (library_id, item_key, item_type, title, year, plot, genres, metadata, file_path, fingerprint, scanned_at)
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VALUES (@library_id, @item_key, @item_type, @title, @year, @plot, @genres, @metadata, @file_path, @fingerprint, @scanned_at)
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ON CONFLICT(item_key) DO UPDATE SET
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title = excluded.title,
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year = excluded.year,
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plot = excluded.plot,
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genres = excluded.genres,
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metadata = excluded.metadata,
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file_path = excluded.file_path,
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fingerprint = excluded.fingerprint,
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scanned_at = excluded.scanned_at
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`)
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const upsertChild = db.prepare(`
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INSERT INTO media_items (library_id, item_key, item_type, parent_key, title, year, plot, genres, metadata, file_path, fingerprint, scanned_at)
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VALUES (@library_id, @item_key, @item_type, @parent_key, @title, @year, @plot, @genres, @metadata, @file_path, @fingerprint, @scanned_at)
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ON CONFLICT(item_key) DO UPDATE SET
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parent_key = excluded.parent_key,
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title = excluded.title,
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year = excluded.year,
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plot = excluded.plot,
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genres = excluded.genres,
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metadata = excluded.metadata,
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file_path = excluded.file_path,
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fingerprint = excluded.fingerprint,
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scanned_at = excluded.scanned_at
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`)
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let episodeCount = 0
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for (const { show, seriesKey, seasons } of allSeries) {
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upsertSeries.run({
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library_id: library.id,
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item_key: seriesKey,
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item_type: 'tv_series',
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title: show.title,
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year: show.year ?? null,
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plot: show.plot ?? null,
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genres: JSON.stringify(show.genres),
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metadata: JSON.stringify({
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status: show.status,
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seasonCount: show.seasonCount,
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posterUrl: show.posterUrl,
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backdropUrl: show.backdropUrl,
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}),
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file_path: null,
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fingerprint: null,
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scanned_at: now,
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})
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if (show.posterUrl) {
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await prewarmThumbnailFromUrl(show.posterUrl, library.id, libraryRoot, 'image')
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}
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for (const { season, seasonKey, episodes } of seasons) {
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upsertChild.run({
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library_id: library.id,
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item_key: seasonKey,
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item_type: 'tv_season',
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parent_key: seriesKey,
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title: season.title,
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year: null,
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plot: null,
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genres: JSON.stringify([]),
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metadata: JSON.stringify({
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seasonNumber: season.seasonNumber,
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episodeCount: season.episodeCount,
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posterUrl: season.posterUrl,
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}),
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file_path: null,
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fingerprint: null,
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scanned_at: now,
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})
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if (season.posterUrl) {
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await prewarmThumbnailFromUrl(season.posterUrl, library.id, libraryRoot, 'image')
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}
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for (const { episode, episodeKey, fingerprint } of episodes) {
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upsertChild.run({
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library_id: library.id,
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item_key: episodeKey,
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item_type: 'tv_episode',
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parent_key: seasonKey,
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title: episode.title,
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year: null,
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plot: episode.plot ?? null,
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genres: JSON.stringify([]),
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metadata: JSON.stringify({
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episodeNumber: episode.episodeNumber,
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seasonNumber: episode.seasonNumber,
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aired: episode.aired,
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rating: episode.rating,
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thumbnailUrl: episode.thumbnailUrl,
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}),
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file_path: episode.videoPath,
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fingerprint,
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scanned_at: now,
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})
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const videoAbsPath = path.join(libraryRoot, episode.videoPath)
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try {
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await getThumbnailPath(videoAbsPath, library.id, 'video')
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} catch (err) {
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console.warn(`[scanner] Could not generate thumbnail for ${episode.videoPath}:`, err instanceof Error ? err.message : err)
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}
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episodeCount++
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}
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}
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}
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console.log(`[scanner] tv: indexed ${allSeries.length} series, ${episodeCount} episodes`)
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}
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// ---------------------------------------------------------------------------
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// Games (v1: no fingerprinting — clear+upsert pattern retained)
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// ---------------------------------------------------------------------------
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async function scanGames(library: Library, libraryRoot: string): Promise<void> {
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const items = scanGamesLibrary(libraryRoot, library.id)
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const db = getDb()
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const now = Date.now()
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clearLibraryItems(db, library.id)
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const upsertGame = db.prepare(`
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INSERT INTO media_items (library_id, item_key, item_type, title, metadata, file_path, fingerprint, scanned_at)
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VALUES (@library_id, @item_key, @item_type, @title, @metadata, @file_path, @fingerprint, @scanned_at)
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ON CONFLICT(item_key) DO UPDATE SET
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title = excluded.title,
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metadata = excluded.metadata,
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file_path = excluded.file_path,
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fingerprint = excluded.fingerprint,
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scanned_at = excluded.scanned_at
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`)
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const upsertChildGame = db.prepare(`
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INSERT INTO media_items (library_id, item_key, item_type, parent_key, title, metadata, file_path, fingerprint, scanned_at)
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VALUES (@library_id, @item_key, @item_type, @parent_key, @title, @metadata, @file_path, @fingerprint, @scanned_at)
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ON CONFLICT(item_key) DO UPDATE SET
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parent_key = excluded.parent_key,
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title = excluded.title,
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metadata = excluded.metadata,
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file_path = excluded.file_path,
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fingerprint = excluded.fingerprint,
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scanned_at = excluded.scanned_at
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`)
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let gameCount = 0
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for (const item of items) {
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if ('games' in item) {
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const series = item as GameSeries
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const seriesKey = `${library.id}:game_series:${series.id}`
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upsertGame.run({
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library_id: library.id,
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item_key: seriesKey,
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item_type: 'game_series',
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title: series.title,
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metadata: JSON.stringify({
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gameCount: series.games.length,
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coverUrl: series.coverUrl,
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wideCoverUrl: series.wideCoverUrl,
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}),
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file_path: null,
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fingerprint: null,
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scanned_at: now,
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})
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if (series.coverUrl) {
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await prewarmThumbnailFromUrl(series.coverUrl, library.id, libraryRoot, 'image')
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}
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for (const game of series.games) {
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const gameKey = `${library.id}:game:${game.id}`
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upsertChildGame.run({
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library_id: library.id,
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item_key: gameKey,
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item_type: 'game',
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parent_key: seriesKey,
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title: game.title,
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metadata: JSON.stringify({
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zipFiles: game.zipFiles,
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coverUrl: game.coverUrl,
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wideCoverUrl: game.wideCoverUrl,
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}),
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file_path: null,
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fingerprint: null,
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scanned_at: now,
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})
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if (game.coverUrl) {
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await prewarmThumbnailFromUrl(game.coverUrl, library.id, libraryRoot, 'image')
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}
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gameCount++
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}
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} else {
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const game = item as Game
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const gameKey = `${library.id}:game:${game.id}`
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upsertGame.run({
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library_id: library.id,
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item_key: gameKey,
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item_type: 'game',
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title: game.title,
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metadata: JSON.stringify({
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zipFiles: game.zipFiles,
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coverUrl: game.coverUrl,
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wideCoverUrl: game.wideCoverUrl,
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}),
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file_path: null,
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fingerprint: null,
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scanned_at: now,
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})
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if (game.coverUrl) {
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await prewarmThumbnailFromUrl(game.coverUrl, library.id, libraryRoot, 'image')
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}
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gameCount++
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}
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}
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console.log(`[scanner] games: indexed ${gameCount} games`)
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}
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// ---------------------------------------------------------------------------
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// Mixed
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// ---------------------------------------------------------------------------
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async function scanMixed(library: Library, libraryRoot: string): Promise<void> {
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const fsSync = await import('fs') as typeof import('fs')
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const db = getDb()
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const now = Date.now()
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// Collect all new items with fingerprints
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type MixedEntry = { fingerprint: string | null; relPath: string; title: string }
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const newItems = new Map<string, MixedEntry>()
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function walk(absDir: string, relDir: string): void {
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let dirents: import('fs').Dirent[]
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try {
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dirents = fsSync.readdirSync(absDir, { withFileTypes: true, encoding: 'utf-8' }) as import('fs').Dirent[]
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} catch {
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return
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}
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for (const d of dirents) {
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const name = d.name as string
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if (name.startsWith('.')) continue
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const relPath = relDir ? path.join(relDir, name) : name
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if (d.isDirectory()) {
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walk(path.join(absDir, name), relPath)
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} else {
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const itemKey = `${library.id}:mixed_file:${encodeURIComponent(relPath)}`
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const absPath = path.join(absDir, name)
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const fingerprint = computeFingerprint(absPath)
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newItems.set(itemKey, {
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fingerprint,
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relPath,
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title: path.basename(name, path.extname(name)),
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})
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}
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}
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}
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walk(libraryRoot, '')
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// Detect moves + reconcile
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const moves = detectMoves(db, library.id, newItems)
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reconcileAndPrune(db, library.id, new Set(newItems.keys()), moves)
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const upsert = db.prepare(`
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INSERT INTO media_items (library_id, item_key, item_type, title, file_path, fingerprint, scanned_at)
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VALUES (@library_id, @item_key, @item_type, @title, @file_path, @fingerprint, @scanned_at)
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ON CONFLICT(item_key) DO UPDATE SET
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title = excluded.title,
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file_path = excluded.file_path,
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fingerprint = excluded.fingerprint,
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scanned_at = excluded.scanned_at
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`)
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for (const [itemKey, { fingerprint, relPath, title }] of newItems) {
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upsert.run({
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library_id: library.id,
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item_key: itemKey,
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item_type: 'mixed_file',
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title,
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file_path: relPath,
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fingerprint,
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scanned_at: now,
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})
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const ext = path.extname(relPath).toLowerCase()
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let mediaType: 'image' | 'video' | null = null
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if (IMAGE_EXTENSIONS.has(ext)) mediaType = 'image'
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else if (VIDEO_EXTENSIONS.has(ext)) mediaType = 'video'
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if (mediaType) {
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const absPath = path.join(libraryRoot, relPath)
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getThumbnailPath(absPath, library.id, mediaType).catch((err) => {
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console.warn(`[scanner] Could not generate thumbnail for ${relPath}:`, err instanceof Error ? err.message : err)
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})
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}
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}
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console.log(`[scanner] mixed: indexed ${newItems.size} files, pre-generating thumbnails`)
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}
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// ---------------------------------------------------------------------------
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// Helpers
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// ---------------------------------------------------------------------------
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|
function clearLibraryItems(db: Database.Database, libraryId: string): void {
|
|
db.prepare('DELETE FROM media_items WHERE library_id = ?').run(libraryId)
|
|
}
|
|
|
|
/**
|
|
* Given a map of new items (item_key → { fingerprint }), compare against
|
|
* existing DB rows for this library to find items that moved (same fingerprint,
|
|
* different item_key). Returns an array of { oldKey, newKey } pairs.
|
|
*
|
|
* Only items that have a non-null fingerprint and whose old key is NOT already
|
|
* present in the new scan (i.e. the file truly moved, not a hash collision)
|
|
* are treated as moves.
|
|
*/
|
|
function detectMoves(
|
|
db: Database.Database,
|
|
libraryId: string,
|
|
newItems: Map<string, { fingerprint: string | null }>
|
|
): Array<{ oldKey: string; newKey: string }> {
|
|
const existing = db
|
|
.prepare('SELECT item_key, fingerprint FROM media_items WHERE library_id = ? AND fingerprint IS NOT NULL')
|
|
.all(libraryId) as Array<{ item_key: string; fingerprint: string }>
|
|
|
|
const fingerprintToOldKey = new Map<string, string>()
|
|
for (const row of existing) {
|
|
fingerprintToOldKey.set(row.fingerprint, row.item_key)
|
|
}
|
|
|
|
const moves: Array<{ oldKey: string; newKey: string }> = []
|
|
for (const [newKey, { fingerprint }] of newItems) {
|
|
if (!fingerprint) continue
|
|
const oldKey = fingerprintToOldKey.get(fingerprint)
|
|
if (oldKey && oldKey !== newKey && !newItems.has(oldKey)) {
|
|
// File moved: same fingerprint, different key, old key is no longer present
|
|
moves.push({ oldKey, newKey })
|
|
}
|
|
}
|
|
return moves
|
|
}
|
|
|
|
/**
|
|
* Applies detected moves to the DB (renames item_key and updates media_tags),
|
|
* then deletes any rows for this library whose item_key is not in newKeys.
|
|
* Tags on deleted items are intentionally left as orphans — harmless and
|
|
* recoverable if the file reappears.
|
|
*/
|
|
/**
|
|
* Converts an item_key (used in media_items) to the media_key format used in
|
|
* media_tags. The UI constructs media_keys as `${libraryId}:${shortId}` where
|
|
* shortId is only the terminal path segment — e.g.:
|
|
* "lib1:movie:Inception%20(2010)" → "lib1:Inception%20(2010)"
|
|
* "lib1:tv_episode:Show:S1:ep.mkv" → "lib1:ep.mkv"
|
|
* "lib1:mixed_file:dir%2Ffile.mp4" → "lib1:dir%2Ffile.mp4"
|
|
*/
|
|
function itemKeyToMediaKey(itemKey: string): string {
|
|
const firstColon = itemKey.indexOf(':')
|
|
const lastColon = itemKey.lastIndexOf(':')
|
|
const libraryId = itemKey.slice(0, firstColon)
|
|
const shortId = itemKey.slice(lastColon + 1)
|
|
return `${libraryId}:${shortId}`
|
|
}
|
|
|
|
function reconcileAndPrune(
|
|
db: Database.Database,
|
|
libraryId: string,
|
|
newKeys: Set<string>,
|
|
moves: Array<{ oldKey: string; newKey: string }>
|
|
): void {
|
|
const renameItem = db.prepare('UPDATE media_items SET item_key = ? WHERE item_key = ?')
|
|
|
|
for (const { oldKey, newKey } of moves) {
|
|
renameItem.run(newKey, oldKey)
|
|
// Convert item_keys to the media_key format actually used in media_tags
|
|
const oldMediaKey = itemKeyToMediaKey(oldKey)
|
|
const newMediaKey = itemKeyToMediaKey(newKey)
|
|
if (oldMediaKey !== newMediaKey) {
|
|
reKeyMediaItem(oldMediaKey, newMediaKey)
|
|
}
|
|
console.log(`[scanner] fingerprint match: renamed "${oldKey}" → "${newKey}"`)
|
|
}
|
|
|
|
const existing = db
|
|
.prepare('SELECT item_key FROM media_items WHERE library_id = ?')
|
|
.all(libraryId) as Array<{ item_key: string }>
|
|
|
|
const deleteItem = db.prepare('DELETE FROM media_items WHERE item_key = ?')
|
|
for (const { item_key } of existing) {
|
|
if (!newKeys.has(item_key)) {
|
|
deleteItem.run(item_key)
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Extract the `path` query param from an /api/thumbnail URL and pre-warm
|
|
* the thumbnail cache for that file.
|
|
*/
|
|
async function prewarmThumbnailFromUrl(
|
|
apiUrl: string,
|
|
libraryId: string,
|
|
libraryRoot: string,
|
|
mediaType: 'image' | 'video'
|
|
): Promise<void> {
|
|
try {
|
|
const relPath = decodeURIComponent(
|
|
new URL(apiUrl, 'http://localhost').searchParams.get('path') ?? ''
|
|
)
|
|
if (!relPath) return
|
|
const absPath = path.join(libraryRoot, relPath)
|
|
await getThumbnailPath(absPath, libraryId, mediaType)
|
|
} catch (err) {
|
|
console.warn(`[scanner] Could not prewarm thumbnail for ${apiUrl}:`, err instanceof Error ? err.message : err)
|
|
}
|
|
}
|