yonlu
38f3abbd3e
library scan creates thumbnails, cover grid component defaults to thumbnail if available.
131 lines
3.2 KiB
Go
131 lines
3.2 KiB
Go
package library
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import (
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"errors"
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"fmt"
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"path/filepath"
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"strconv"
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)
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// Sentinel errors for library queries.
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var (
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errNoTracksInLibrary = errors.New("no tracks in library")
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errNoTracksForAlbum = errors.New("no tracks found for album")
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)
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// Track represents a playable audio file in the library.
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type Track struct {
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TrackName string
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ArtistName string
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TrackLength string
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FilePath string
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}
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// Album represents an album for the cover grid display.
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type Album struct {
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ID int64
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Name string
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ArtistName string
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CoverArtPath string
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CoverArtThumbnailPath string
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Year int64
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}
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// GetAllTracks returns an array of track structs of every file in the library.
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func (l *Library) GetAllTracks() ([]Track, error) {
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audioFiles, err := l.db.Queries.GetAllAudioFilesWithArtist(l.ctx)
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if err != nil {
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l.logger.Error("could not retrieve audio files", "error", err)
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return nil, err
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}
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l.logger.Info("audio file list", "count", len(audioFiles))
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if len(audioFiles) == 0 {
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l.logger.Error("no tracks in library")
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return nil, errNoTracksInLibrary
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}
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var formattedTracks []Track
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for _, file := range audioFiles {
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track := Track{
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TrackName: file.Title,
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ArtistName: file.ArtistName,
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TrackLength: strconv.FormatInt(file.LengthMilliseconds, 10),
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FilePath: file.FilePath,
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}
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formattedTracks = append(formattedTracks, track)
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}
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l.logger.Info("formatted tracks", "count", len(formattedTracks))
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return formattedTracks, nil
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}
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// GetAlbumTracks returns all tracks for a given album (release group), ordered by disc and track number.
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func (l *Library) GetAlbumTracks(albumID int64) ([]Track, error) {
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rows, err := l.db.Queries.GetAudioFilesByReleaseGroup(l.ctx, albumID)
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if err != nil {
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l.logger.Error("could not retrieve album tracks", "albumID", albumID, "error", err)
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return nil, fmt.Errorf("could not get album tracks: %w", err)
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}
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if len(rows) == 0 {
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return nil, fmt.Errorf("%w %d", errNoTracksForAlbum, albumID)
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}
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tracks := make([]Track, 0, len(rows))
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for _, row := range rows {
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tracks = append(tracks, Track{
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TrackName: row.Title,
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ArtistName: row.ArtistName,
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TrackLength: strconv.FormatInt(row.LengthMilliseconds, 10),
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FilePath: row.FilePath,
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})
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}
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return tracks, nil
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}
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// GetAllAlbums returns all albums with cover art and artist info for the cover grid.
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func (l *Library) GetAllAlbums() ([]Album, error) {
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rows, err := l.db.Queries.GetAllAlbumsWithDetails(l.ctx)
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if err != nil {
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l.logger.Error("could not retrieve albums", "error", err)
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return nil, fmt.Errorf("could not get albums: %w", err)
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}
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l.logger.Info("album list", "count", len(rows))
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albums := make([]Album, 0, len(rows))
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for _, row := range rows {
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album := Album{
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ID: row.ID,
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Name: row.Name,
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ArtistName: row.ArtistName,
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}
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if row.Year.Valid {
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album.Year = row.Year.Int64
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}
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// Convert filesystem path to URL path for the asset handler
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if row.CoverArtPath != "" {
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base := filepath.Base(row.CoverArtPath)
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album.CoverArtPath = "/covers/" + base
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album.CoverArtThumbnailPath = "/covers/" + ThumbnailFilename(base)
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}
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albums = append(albums, album)
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}
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return albums, nil
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}
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