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mapping.go
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mapping.go
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package scanner
import (
"crypto/md5"
"fmt"
"os"
"path/filepath"
"strings"
"time"
"github.com/kennygrant/sanitize"
"github.com/navidrome/navidrome/conf"
"github.com/navidrome/navidrome/consts"
"github.com/navidrome/navidrome/model"
"github.com/navidrome/navidrome/scanner/metadata"
"github.com/navidrome/navidrome/utils"
)
type mediaFileMapper struct {
rootFolder string
genres model.GenreRepository
}
func newMediaFileMapper(rootFolder string, genres model.GenreRepository) *mediaFileMapper {
return &mediaFileMapper{
rootFolder: rootFolder,
genres: genres,
}
}
// TODO Move most of these mapping functions to setters in the model.MediaFile
func (s mediaFileMapper) toMediaFile(md metadata.Tags) model.MediaFile {
mf := &model.MediaFile{}
mf.ID = s.trackID(md)
mf.Title = s.mapTrackTitle(md)
mf.Album = md.Album()
mf.AlbumID = s.albumID(md)
mf.Album = s.mapAlbumName(md)
mf.ArtistID = s.artistID(md)
mf.Artist = s.mapArtistName(md)
mf.AlbumArtistID = s.albumArtistID(md)
mf.AlbumArtist = s.mapAlbumArtistName(md)
mf.Genre, mf.Genres = s.mapGenres(md.Genres())
mf.Compilation = md.Compilation()
mf.Year = md.Year()
mf.TrackNumber, _ = md.TrackNumber()
mf.DiscNumber, _ = md.DiscNumber()
mf.DiscSubtitle = md.DiscSubtitle()
mf.Duration = md.Duration()
mf.BitRate = md.BitRate()
mf.Channels = md.Channels()
mf.Path = md.FilePath()
mf.Suffix = md.Suffix()
mf.Size = md.Size()
mf.HasCoverArt = md.HasPicture()
mf.SortTitle = md.SortTitle()
mf.SortAlbumName = md.SortAlbum()
mf.SortArtistName = md.SortArtist()
mf.SortAlbumArtistName = md.SortAlbumArtist()
mf.OrderTitle = strings.TrimSpace(sanitize.Accents(mf.Title))
mf.OrderAlbumName = sanitizeFieldForSorting(mf.Album)
mf.OrderArtistName = sanitizeFieldForSorting(mf.Artist)
mf.OrderAlbumArtistName = sanitizeFieldForSorting(mf.AlbumArtist)
mf.CatalogNum = md.CatalogNum()
mf.MbzTrackID = md.MbzTrackID()
mf.MbzReleaseTrackID = md.MbzReleaseTrackID()
mf.MbzAlbumID = md.MbzAlbumID()
mf.MbzArtistID = md.MbzArtistID()
mf.MbzAlbumArtistID = md.MbzAlbumArtistID()
mf.MbzAlbumType = md.MbzAlbumType()
mf.MbzAlbumComment = md.MbzAlbumComment()
mf.Comment = utils.SanitizeText(md.Comment())
mf.Lyrics = utils.SanitizeText(md.Lyrics())
mf.Bpm = md.Bpm()
mf.CreatedAt = time.Now()
mf.UpdatedAt = md.ModificationTime()
return *mf
}
func sanitizeFieldForSorting(originalValue string) string {
v := strings.TrimSpace(sanitize.Accents(originalValue))
return utils.NoArticle(v)
}
func (s mediaFileMapper) mapTrackTitle(md metadata.Tags) string {
if md.Title() == "" {
s := strings.TrimPrefix(md.FilePath(), s.rootFolder+string(os.PathSeparator))
e := filepath.Ext(s)
return strings.TrimSuffix(s, e)
}
return md.Title()
}
func (s mediaFileMapper) mapAlbumArtistName(md metadata.Tags) string {
switch {
case md.AlbumArtist() != "":
return md.AlbumArtist()
case md.Compilation():
return consts.VariousArtists
case md.Artist() != "":
return md.Artist()
default:
return consts.UnknownArtist
}
}
func (s mediaFileMapper) mapArtistName(md metadata.Tags) string {
if md.Artist() != "" {
return md.Artist()
}
return consts.UnknownArtist
}
func (s mediaFileMapper) mapAlbumName(md metadata.Tags) string {
name := md.Album()
if name == "" {
return "[Unknown Album]"
}
return name
}
func (s mediaFileMapper) trackID(md metadata.Tags) string {
return fmt.Sprintf("%x", md5.Sum([]byte(md.FilePath())))
}
func (s mediaFileMapper) albumID(md metadata.Tags) string {
albumPath := strings.ToLower(fmt.Sprintf("%s\\%s", s.mapAlbumArtistName(md), s.mapAlbumName(md)))
return fmt.Sprintf("%x", md5.Sum([]byte(albumPath)))
}
func (s mediaFileMapper) artistID(md metadata.Tags) string {
return fmt.Sprintf("%x", md5.Sum([]byte(strings.ToLower(s.mapArtistName(md)))))
}
func (s mediaFileMapper) albumArtistID(md metadata.Tags) string {
return fmt.Sprintf("%x", md5.Sum([]byte(strings.ToLower(s.mapAlbumArtistName(md)))))
}
func (s mediaFileMapper) mapGenres(genres []string) (string, model.Genres) {
var result model.Genres
unique := map[string]struct{}{}
var all []string
for i := range genres {
gs := strings.FieldsFunc(genres[i], func(r rune) bool {
return strings.ContainsRune(conf.Server.Scanner.GenreSeparators, r)
})
for j := range gs {
g := strings.TrimSpace(gs[j])
key := strings.ToLower(g)
if _, ok := unique[key]; ok {
continue
}
all = append(all, g)
unique[key] = struct{}{}
}
}
for _, g := range all {
genre := model.Genre{Name: g}
_ = s.genres.Put(&genre)
result = append(result, genre)
}
if len(result) == 0 {
return "", nil
}
return result[0].Name, result
}