Files
yellowjacket/backend/library/query.go
T

122 lines
2.9 KiB
Go

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