The Subsonic API spec defines songCount and created as required attributes on AlbumID3, but they were tagged with omitempty in our response struct, allowing them to be silently dropped from responses (e.g. when songCount was 0). Created was also a *time.Time, which compounded the omitempty behavior. Remove omitempty from both fields and change Created from *time.Time to time.Time so they are always serialized, matching the spec contract that clients rely on. The buildAlbumID3 helper and its tests are updated for the non-pointer Created, and the AlbumWithSongsID3 snapshots are regenerated to include the now-always-present fields.
574 lines
17 KiB
Go
574 lines
17 KiB
Go
package subsonic
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import (
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"cmp"
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"context"
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"errors"
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"fmt"
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"mime"
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"net/http"
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"slices"
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"sort"
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"strings"
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"time"
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"github.com/navidrome/navidrome/conf"
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"github.com/navidrome/navidrome/consts"
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"github.com/navidrome/navidrome/core/publicurl"
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"github.com/navidrome/navidrome/model"
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"github.com/navidrome/navidrome/model/request"
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"github.com/navidrome/navidrome/server/subsonic/responses"
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"github.com/navidrome/navidrome/utils/number"
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"github.com/navidrome/navidrome/utils/req"
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"github.com/navidrome/navidrome/utils/slice"
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)
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func newResponse() *responses.Subsonic {
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return &responses.Subsonic{
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Status: responses.StatusOK,
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Version: Version,
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Type: consts.AppName,
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ServerVersion: consts.Version,
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OpenSubsonic: true,
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}
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}
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type subError struct {
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code int32
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messages []any
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}
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func newError(code int32, message ...any) error {
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return subError{
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code: code,
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messages: message,
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}
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}
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// errSubsonic and Unwrap are used to allow `errors.Is(err, errSubsonic)` to work
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var errSubsonic = errors.New("subsonic API error")
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func (e subError) Unwrap() error {
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return fmt.Errorf("%w: %d", errSubsonic, e.code)
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}
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func (e subError) Error() string {
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var msg string
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if len(e.messages) == 0 {
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msg = responses.ErrorMsg(e.code)
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} else {
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msg = fmt.Sprintf(e.messages[0].(string), e.messages[1:]...)
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}
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return msg
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}
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func getUser(ctx context.Context) model.User {
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user, ok := request.UserFrom(ctx)
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if ok {
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return user
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}
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return model.User{}
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}
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func sortName(sortName, orderName string) string {
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if conf.Server.PreferSortTags {
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return cmp.Or(
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sortName,
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orderName,
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)
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}
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return orderName
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}
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func getArtistAlbumCount(a *model.Artist) int32 {
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// If ArtistParticipations are set, then `getArtist` will return albums
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// where the artist is an album artist OR artist. Use the custom stat
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// main credit for this calculation.
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// Otherwise, return just the roles as album artist (precise)
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if conf.Server.Subsonic.ArtistParticipations {
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mainCreditStats := a.Stats[model.RoleMainCredit]
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return int32(mainCreditStats.AlbumCount)
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} else {
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albumStats := a.Stats[model.RoleAlbumArtist]
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return int32(albumStats.AlbumCount)
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}
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}
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func toArtist(r *http.Request, a model.Artist) responses.Artist {
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artist := responses.Artist{
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Id: a.ID,
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Name: a.Name,
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UserRating: int32(a.Rating),
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CoverArt: a.CoverArtID().String(),
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ArtistImageUrl: publicurl.ImageURL(r, a.CoverArtID(), 600),
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}
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if conf.Server.Subsonic.EnableAverageRating {
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artist.AverageRating = a.AverageRating
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}
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if a.Starred {
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artist.Starred = a.StarredAt
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}
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return artist
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}
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func toArtistID3(r *http.Request, a model.Artist) responses.ArtistID3 {
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artist := responses.ArtistID3{
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Id: a.ID,
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Name: a.Name,
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AlbumCount: getArtistAlbumCount(&a),
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CoverArt: a.CoverArtID().String(),
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ArtistImageUrl: publicurl.ImageURL(r, a.CoverArtID(), 600),
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UserRating: int32(a.Rating),
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}
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if conf.Server.Subsonic.EnableAverageRating {
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artist.AverageRating = a.AverageRating
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}
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if a.Starred {
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artist.Starred = a.StarredAt
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}
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artist.OpenSubsonicArtistID3 = toOSArtistID3(r.Context(), a)
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return artist
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}
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func toOSArtistID3(ctx context.Context, a model.Artist) *responses.OpenSubsonicArtistID3 {
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player, _ := request.PlayerFrom(ctx)
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if strings.Contains(conf.Server.Subsonic.LegacyClients, player.Client) {
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return nil
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}
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artist := responses.OpenSubsonicArtistID3{
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MusicBrainzId: a.MbzArtistID,
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SortName: sortName(a.SortArtistName, a.OrderArtistName),
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}
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artist.Roles = slice.Map(a.Roles(), func(r model.Role) string { return r.String() })
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return &artist
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}
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func toGenres(genres model.Genres) *responses.Genres {
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response := make([]responses.Genre, len(genres))
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for i, g := range genres {
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response[i] = responses.Genre{
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Name: g.Name,
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SongCount: int32(g.SongCount),
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AlbumCount: int32(g.AlbumCount),
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}
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}
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return &responses.Genres{Genre: response}
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}
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func toItemGenres(genres model.Genres) []responses.ItemGenre {
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itemGenres := make([]responses.ItemGenre, len(genres))
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for i, g := range genres {
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itemGenres[i] = responses.ItemGenre{Name: g.Name}
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}
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return itemGenres
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}
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func getTranscoding(ctx context.Context) (format string, bitRate int) {
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if trc, ok := request.TranscodingFrom(ctx); ok {
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format = trc.TargetFormat
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}
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if plr, ok := request.PlayerFrom(ctx); ok {
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bitRate = plr.MaxBitRate
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}
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return
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}
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func isClientInList(clientList, client string) bool {
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if clientList == "" || client == "" {
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return false
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}
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clients := strings.SplitSeq(clientList, ",")
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for c := range clients {
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if strings.TrimSpace(c) == client {
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return true
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}
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}
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return false
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}
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func childFromMediaFile(ctx context.Context, mf model.MediaFile) responses.Child {
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child := responses.Child{}
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child.Id = mf.ID
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child.Title = mf.FullTitle()
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child.IsDir = false
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player, ok := request.PlayerFrom(ctx)
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if ok && isClientInList(conf.Server.Subsonic.MinimalClients, player.Client) {
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return child
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}
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child.Parent = mf.AlbumID
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child.Album = mf.FullAlbumName()
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child.Year = int32(mf.Year)
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child.Artist = mf.Artist
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child.Genre = mf.Genre
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child.Track = int32(mf.TrackNumber)
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child.Duration = int32(mf.Duration)
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child.Size = mf.Size
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child.Suffix = mf.Suffix
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child.BitRate = int32(mf.BitRate)
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child.CoverArt = mf.CoverArtID().String()
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child.ContentType = mf.ContentType()
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if ok && player.ReportRealPath {
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child.Path = mf.AbsolutePath()
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} else {
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child.Path = fakePath(mf)
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}
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child.DiscNumber = int32(mf.DiscNumber)
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child.Created = new(mf.BirthTime)
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child.AlbumId = mf.AlbumID
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child.ArtistId = mf.ArtistID
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child.Type = "music"
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child.PlayCount = mf.PlayCount
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if mf.Starred {
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child.Starred = mf.StarredAt
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}
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child.UserRating = int32(mf.Rating)
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if conf.Server.Subsonic.EnableAverageRating {
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child.AverageRating = mf.AverageRating
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}
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format, _ := getTranscoding(ctx)
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if mf.Suffix != "" && format != "" && mf.Suffix != format {
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child.TranscodedSuffix = format
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child.TranscodedContentType = mime.TypeByExtension("." + format)
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}
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child.BookmarkPosition = mf.BookmarkPosition
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child.OpenSubsonicChild = osChildFromMediaFile(ctx, mf)
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return child
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}
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func osChildFromMediaFile(ctx context.Context, mf model.MediaFile) *responses.OpenSubsonicChild {
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player, ok := request.PlayerFrom(ctx)
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if ok && isClientInList(conf.Server.Subsonic.LegacyClients, player.Client) {
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return nil
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}
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child := responses.OpenSubsonicChild{}
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if mf.PlayCount > 0 {
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child.Played = mf.PlayDate
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}
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child.Comment = mf.Comment
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child.SortName = sortName(mf.SortTitle, mf.OrderTitle)
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child.BPM = int32(mf.BPM)
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child.MediaType = responses.MediaTypeSong
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child.MusicBrainzId = mf.MbzRecordingID
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child.Isrc = mf.Tags.Values(model.TagISRC)
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child.ReplayGain = responses.ReplayGain{
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TrackGain: mf.RGTrackGain,
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AlbumGain: mf.RGAlbumGain,
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TrackPeak: mf.RGTrackPeak,
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AlbumPeak: mf.RGAlbumPeak,
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}
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child.ChannelCount = int32(mf.Channels)
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child.SamplingRate = int32(mf.SampleRate)
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child.BitDepth = int32(mf.BitDepth)
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child.Genres = toItemGenres(mf.Genres)
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child.Moods = mf.Tags.Values(model.TagMood)
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child.Groupings = mf.Tags.Values(model.TagGrouping)
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child.DisplayArtist = mf.Artist
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child.Artists = artistRefs(mf.Participants[model.RoleArtist])
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child.DisplayAlbumArtist = mf.AlbumArtist
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child.AlbumArtists = artistRefs(mf.Participants[model.RoleAlbumArtist])
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var contributors []responses.Contributor
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child.DisplayComposer = mf.Participants[model.RoleComposer].Join(consts.ArtistJoiner)
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for role, participants := range mf.Participants {
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if role == model.RoleArtist || role == model.RoleAlbumArtist {
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continue
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}
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for _, participant := range participants {
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contributors = append(contributors, responses.Contributor{
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Role: role.String(),
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SubRole: participant.SubRole,
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Artist: responses.ArtistID3Ref{
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Id: participant.ID,
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Name: participant.Name,
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},
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})
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}
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}
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child.Contributors = contributors
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child.ExplicitStatus = mapExplicitStatus(mf.ExplicitStatus)
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return &child
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}
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func artistRefs(participants model.ParticipantList) []responses.ArtistID3Ref {
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return slice.Map(participants, func(p model.Participant) responses.ArtistID3Ref {
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return responses.ArtistID3Ref{
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Id: p.ID,
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Name: p.Name,
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}
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})
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}
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func fakePath(mf model.MediaFile) string {
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builder := strings.Builder{}
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builder.WriteString(fmt.Sprintf("%s/%s/", sanitizeSlashes(mf.AlbumArtist), sanitizeSlashes(mf.FullAlbumName())))
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if mf.DiscNumber != 0 {
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builder.WriteString(fmt.Sprintf("%02d-", mf.DiscNumber))
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}
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if mf.TrackNumber != 0 {
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builder.WriteString(fmt.Sprintf("%02d - ", mf.TrackNumber))
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}
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builder.WriteString(fmt.Sprintf("%s.%s", sanitizeSlashes(mf.FullTitle()), mf.Suffix))
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return builder.String()
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}
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func sanitizeSlashes(target string) string {
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return strings.ReplaceAll(target, "/", "_")
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}
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// albumCreatedAt returns a best-effort timestamp for the album's `created`
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// field, which is required by the OpenSubsonic spec but may be zero on legacy
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// DB rows. Falls back to UpdatedAt → ImportedAt; can still return zero if all
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// three are unset.
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func albumCreatedAt(al model.Album) time.Time {
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if !al.CreatedAt.IsZero() {
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return al.CreatedAt
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}
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if !al.UpdatedAt.IsZero() {
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return al.UpdatedAt
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}
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return al.ImportedAt
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}
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func childFromAlbum(ctx context.Context, al model.Album) responses.Child {
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child := responses.Child{}
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child.Id = al.ID
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child.IsDir = true
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fullName := al.FullName()
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child.Title = fullName
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child.Name = fullName
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child.Album = fullName
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child.Artist = al.AlbumArtist
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child.Year = int32(cmp.Or(al.MaxOriginalYear, al.MaxYear))
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child.Genre = al.Genre
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child.CoverArt = al.CoverArtID().String()
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child.Created = new(albumCreatedAt(al))
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child.Parent = al.AlbumArtistID
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child.ArtistId = al.AlbumArtistID
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child.Duration = int32(al.Duration)
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child.SongCount = int32(al.SongCount)
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if al.Starred {
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child.Starred = al.StarredAt
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}
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child.PlayCount = al.PlayCount
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child.UserRating = int32(al.Rating)
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if conf.Server.Subsonic.EnableAverageRating {
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child.AverageRating = al.AverageRating
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}
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child.OpenSubsonicChild = osChildFromAlbum(ctx, al)
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return child
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}
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func osChildFromAlbum(ctx context.Context, al model.Album) *responses.OpenSubsonicChild {
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player, _ := request.PlayerFrom(ctx)
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if strings.Contains(conf.Server.Subsonic.LegacyClients, player.Client) {
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return nil
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}
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child := responses.OpenSubsonicChild{}
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if al.PlayCount > 0 {
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child.Played = al.PlayDate
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}
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child.MediaType = responses.MediaTypeAlbum
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child.MusicBrainzId = al.MbzAlbumID
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child.Genres = toItemGenres(al.Genres)
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child.Moods = al.Tags.Values(model.TagMood)
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child.Groupings = al.Tags.Values(model.TagGrouping)
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child.DisplayArtist = al.AlbumArtist
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child.Artists = artistRefs(al.Participants[model.RoleAlbumArtist])
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child.DisplayAlbumArtist = al.AlbumArtist
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child.AlbumArtists = artistRefs(al.Participants[model.RoleAlbumArtist])
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child.ExplicitStatus = mapExplicitStatus(al.ExplicitStatus)
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child.SortName = sortName(al.SortAlbumName, al.OrderAlbumName)
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return &child
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}
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// toItemDate converts a string date in the formats 'YYYY-MM-DD', 'YYYY-MM' or 'YYYY' to an OS ItemDate
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func toItemDate(date string) responses.ItemDate {
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itemDate := responses.ItemDate{}
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if date == "" {
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return itemDate
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}
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parts := strings.Split(date, "-")
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if len(parts) > 2 {
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itemDate.Day = number.ParseInt[int32](parts[2])
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}
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if len(parts) > 1 {
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itemDate.Month = number.ParseInt[int32](parts[1])
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}
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itemDate.Year = number.ParseInt[int32](parts[0])
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return itemDate
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}
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func buildDiscSubtitles(a model.Album) []responses.DiscTitle {
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if len(a.Discs) == 0 {
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return nil
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}
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var discTitles []responses.DiscTitle
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// Hoist UpdatedAt to a single stack-local so &updatedAt doesn't force the
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// whole model.Album parameter onto the heap.
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updatedAt := a.UpdatedAt
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for num, title := range a.Discs {
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artID := model.NewArtworkID(model.KindDiscArtwork,
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model.DiscArtworkID(a.ID, num), &updatedAt)
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discTitles = append(discTitles, responses.DiscTitle{
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Disc: int32(num),
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Title: title,
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CoverArt: artID.String(),
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})
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}
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if len(discTitles) == 1 && discTitles[0].Title == "" {
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return nil
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}
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sort.Slice(discTitles, func(i, j int) bool {
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return discTitles[i].Disc < discTitles[j].Disc
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})
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return discTitles
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}
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func buildAlbumID3(ctx context.Context, album model.Album) responses.AlbumID3 {
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dir := responses.AlbumID3{}
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dir.Id = album.ID
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dir.Name = album.FullName()
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dir.Artist = album.AlbumArtist
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dir.ArtistId = album.AlbumArtistID
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dir.CoverArt = album.CoverArtID().String()
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dir.SongCount = int32(album.SongCount)
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dir.Duration = int32(album.Duration)
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dir.PlayCount = album.PlayCount
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dir.Year = int32(cmp.Or(album.MaxOriginalYear, album.MaxYear))
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dir.Genre = album.Genre
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dir.Created = albumCreatedAt(album)
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if album.Starred {
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dir.Starred = album.StarredAt
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}
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dir.OpenSubsonicAlbumID3 = buildOSAlbumID3(ctx, album)
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return dir
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}
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func buildOSAlbumID3(ctx context.Context, album model.Album) *responses.OpenSubsonicAlbumID3 {
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player, _ := request.PlayerFrom(ctx)
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if strings.Contains(conf.Server.Subsonic.LegacyClients, player.Client) {
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return nil
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}
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dir := responses.OpenSubsonicAlbumID3{}
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if album.PlayCount > 0 {
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dir.Played = album.PlayDate
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}
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dir.UserRating = int32(album.Rating)
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if conf.Server.Subsonic.EnableAverageRating {
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dir.AverageRating = album.AverageRating
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}
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dir.RecordLabels = slice.Map(album.Tags.Values(model.TagRecordLabel), func(s string) responses.RecordLabel {
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return responses.RecordLabel{Name: s}
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})
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dir.MusicBrainzId = album.MbzAlbumID
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dir.Genres = toItemGenres(album.Genres)
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dir.Artists = artistRefs(album.Participants[model.RoleAlbumArtist])
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dir.DisplayArtist = album.AlbumArtist
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dir.ReleaseTypes = album.Tags.Values(model.TagReleaseType)
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dir.Moods = album.Tags.Values(model.TagMood)
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dir.SortName = sortName(album.SortAlbumName, album.OrderAlbumName)
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dir.OriginalReleaseDate = toItemDate(album.OriginalDate)
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dir.ReleaseDate = toItemDate(album.ReleaseDate)
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dir.IsCompilation = album.Compilation
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dir.DiscTitles = buildDiscSubtitles(album)
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dir.ExplicitStatus = mapExplicitStatus(album.ExplicitStatus)
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if len(album.Tags.Values(model.TagAlbumVersion)) > 0 {
|
|
dir.Version = album.Tags.Values(model.TagAlbumVersion)[0]
|
|
}
|
|
|
|
return &dir
|
|
}
|
|
|
|
func mapExplicitStatus(explicitStatus string) string {
|
|
switch explicitStatus {
|
|
case "c":
|
|
return "clean"
|
|
case "e":
|
|
return "explicit"
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func buildStructuredLyric(mf *model.MediaFile, lyrics model.Lyrics) responses.StructuredLyric {
|
|
lines := make([]responses.Line, len(lyrics.Line))
|
|
|
|
for i, line := range lyrics.Line {
|
|
lines[i] = responses.Line{
|
|
Start: line.Start,
|
|
Value: line.Value,
|
|
}
|
|
}
|
|
|
|
structured := responses.StructuredLyric{
|
|
DisplayArtist: lyrics.DisplayArtist,
|
|
DisplayTitle: lyrics.DisplayTitle,
|
|
Lang: lyrics.Lang,
|
|
Line: lines,
|
|
Offset: lyrics.Offset,
|
|
Synced: lyrics.Synced,
|
|
}
|
|
|
|
if structured.DisplayArtist == "" {
|
|
structured.DisplayArtist = mf.Artist
|
|
}
|
|
if structured.DisplayTitle == "" {
|
|
structured.DisplayTitle = mf.Title
|
|
}
|
|
|
|
return structured
|
|
}
|
|
|
|
func buildLyricsList(mf *model.MediaFile, lyricsList model.LyricList) *responses.LyricsList {
|
|
lyricList := make(responses.StructuredLyrics, len(lyricsList))
|
|
|
|
for i, lyrics := range lyricsList {
|
|
lyricList[i] = buildStructuredLyric(mf, lyrics)
|
|
}
|
|
|
|
res := &responses.LyricsList{
|
|
StructuredLyrics: lyricList,
|
|
}
|
|
return res
|
|
}
|
|
|
|
// getUserAccessibleLibraries returns the list of libraries the current user has access to.
|
|
func getUserAccessibleLibraries(ctx context.Context) []model.Library {
|
|
user := getUser(ctx)
|
|
return user.Libraries
|
|
}
|
|
|
|
// selectedMusicFolderIds retrieves the music folder IDs from the request parameters.
|
|
// If no IDs are provided, it returns all libraries the user has access to (based on the user found in the context).
|
|
// If the parameter is required and not present, it returns an error.
|
|
// If any of the provided library IDs are invalid (don't exist or user doesn't have access), returns ErrorDataNotFound.
|
|
func selectedMusicFolderIds(r *http.Request, required bool) ([]int, error) {
|
|
p := req.Params(r)
|
|
musicFolderIds, err := p.Ints("musicFolderId")
|
|
|
|
// If the parameter is not present, it returns an error if it is required.
|
|
if errors.Is(err, req.ErrMissingParam) && required {
|
|
return nil, err
|
|
}
|
|
|
|
// Get user's accessible libraries for validation
|
|
libraries := getUserAccessibleLibraries(r.Context())
|
|
accessibleLibraryIds := slice.Map(libraries, func(lib model.Library) int { return lib.ID })
|
|
|
|
if len(musicFolderIds) > 0 {
|
|
// Validate all provided library IDs - if any are invalid, return an error
|
|
for _, id := range musicFolderIds {
|
|
if !slices.Contains(accessibleLibraryIds, id) {
|
|
return nil, newError(responses.ErrorDataNotFound, "Library %d not found or not accessible", id)
|
|
}
|
|
}
|
|
return musicFolderIds, nil
|
|
}
|
|
|
|
// If no musicFolderId is provided, return all libraries the user has access to.
|
|
return accessibleLibraryIds, nil
|
|
}
|