func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) error {
if fh.r == nil {
if fh.f.name == ".description" {
glog.Infof("Entered Release: .description file\n")
return nil
}
if fh.f.name[0] == '.' {
return fuse.EPERM
}
}
if fh.r == nil {
glog.Info("Release: There is no file handler.\n")
return fuse.EIO
}
glog.Infof("Releasing the file: %s\n", fh.r.Name())
if fh.f != nil && fh.f.artist == "drop" {
glog.Infof("Entered Release dropping the song: %s\n", fh.f.name)
ret_val := fh.r.Close()
PushFileItem(*fh.f, DelayedHandleDrop)
return ret_val
}
if fh.f != nil && fh.f.artist == "playlists" {
glog.Infof("Entered Release with playlist song: %s\n", fh.f.name)
ret_val := fh.r.Close()
PushFileItem(*fh.f, DelayedHandlePlaylistSong)
return ret_val
}
// This is not an music file or this is a strange situation.
if fh.f == nil || len(fh.f.artist) < 1 || len(fh.f.album) < 1 {
glog.Info("Entered Release: Artist or Album not set.\n")
return fh.r.Close()
}
glog.Infof("Entered Release: Artist: %s, Album: %s, Song: %s\n", fh.f.artist, fh.f.album, fh.f.name)
ret_val := fh.r.Close()
extension := filepath.Ext(fh.f.name)
songPath, err := store.GetFilePath(fh.f.artist, fh.f.album, fh.f.name)
if err != nil {
return err
}
if extension == ".mp3" {
//TODO: Use the correct artist and album
musicmgr.SetMp3Tags(fh.f.artist, fh.f.album, fh.f.song, songPath)
}
return ret_val
}
func (f *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
glog.Infof("Entered Open with file name: %s.\n", f.name)
if f.name == ".description" {
return &FileHandle{r: nil, f: f}, nil
}
if f.name[0] == '.' {
return nil, fuse.EPERM
}
if runtime.GOOS == "darwin" {
resp.Flags |= fuse.OpenDirectIO
}
if req.Flags.IsReadOnly() {
glog.Info("Open: File requested is read only.\n")
}
if req.Flags.IsReadWrite() {
glog.Info("Open: File requested is read write.\n")
}
if req.Flags.IsWriteOnly() {
glog.Info("Open: File requested is write only.\n")
}
var err error
var songPath string
if f.artist == "drop" {
songPath, err = store.GetDropFilePath(f.name, f.mPoint)
PushFileItem(*f, DelayedVoid)
} else if f.artist == "playlists" {
songPath, err = store.GetPlaylistFilePath(f.album, f.name, f.mPoint)
PushFileItem(*f, DelayedVoid)
} else {
songPath, err = store.GetFilePath(f.artist, f.album, f.name)
}
if err != nil {
glog.Error(err)
return nil, err
}
r, err := os.OpenFile(songPath, int(req.Flags), 0666)
if err != nil {
return nil, err
}
return &FileHandle{r: r, f: f}, nil
}
func (f *File) Attr(ctx context.Context, a *fuse.Attr) error {
glog.Infof("Entering file Attr with name: %s, Artist: %s and Album: %s.\n", f.name, f.artist, f.album)
if f.name[0] == '.' {
if f.name == ".description" {
descriptionJson, err := store.GetDescription(f.artist, f.album, f.name)
if err != nil {
return err
}
a.Size = uint64(len(descriptionJson))
a.Mode = 0444
if config_params.uid != 0 {
a.Uid = uint32(config_params.uid)
}
if config_params.gid != 0 {
a.Gid = uint32(config_params.gid)
}
} else {
return fuse.EPERM
}
} else {
var songPath string
var err error
if f.artist == "drop" {
songPath, err = store.GetDropFilePath(f.name, f.mPoint)
PushFileItem(*f, nil)
} else if f.artist == "playlists" {
songPath, err = store.GetPlaylistFilePath(f.album, f.name, f.mPoint)
PushFileItem(*f, nil)
} else {
songPath, err = store.GetFilePath(f.artist, f.album, f.name)
}
if err != nil {
glog.Infof("Error getting song path: %s\n", err)
return err
}
r, err := os.Open(songPath)
if err != nil {
glog.Infof("Error opening file: %s\n", err)
return err
}
defer r.Close()
fi, err := r.Stat()
if err != nil {
glog.Infof("Error getting file status: %s\n", err)
return err
}
a.Size = uint64(fi.Size())
a.Mode = 0777
if config_params.uid != 0 {
a.Uid = uint32(config_params.uid)
}
if config_params.gid != 0 {
a.Gid = uint32(config_params.gid)
}
}
return nil
}
// DelayedHandlePlaylistSong handles a dropped file
// inside a playlist and is called by the background
// dispatcher after some time has passed.
func DelayedHandlePlaylistSong(f File) error {
rootPoint := f.mPoint
if rootPoint[len(rootPoint)-1] != '/' {
rootPoint = rootPoint + "/"
}
path := rootPoint + "playlists/" + f.album + "/" + f.name
extension := filepath.Ext(f.name)
if extension != ".mp3" {
os.Remove(path)
return errors.New("File is not an mp3.")
}
src, err := os.Stat(path)
if err != nil || src.IsDir() {
return errors.New("File not found.")
}
err, tags := musicmgr.GetMp3Tags(path)
if err != nil {
os.Remove(path)
return err
}
artist := store.GetCompatibleString(tags.Artist)
album := store.GetCompatibleString(tags.Album)
title := tags.Title
if strings.HasSuffix(title, ".mp3") {
title = title[:len(title)-len(".mp3")]
}
title = store.GetCompatibleString(title) + ".mp3"
newPath, err := store.GetFilePath(artist, album, title)
if err == nil {
var playlistFile playlistmgr.PlaylistFile
playlistFile.Title = title
playlistFile.Artist = artist
playlistFile.Album = album
playlistFile.Path = newPath
err = store.AddFileToPlaylist(playlistFile, f.album)
} else {
err = store.HandleDrop(path, rootPoint)
if err == nil {
newPath, err = store.GetFilePath(artist, album, title)
if err == nil {
var playlistFile playlistmgr.PlaylistFile
playlistFile.Title = title
playlistFile.Artist = artist
playlistFile.Album = album
playlistFile.Path = newPath
err = store.AddFileToPlaylist(playlistFile, f.album)
}
}
}
os.Remove(path)
if err == nil {
err = store.RegeneratePlaylistFile(f.album, rootPoint)
}
return err
}
func (d *Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
glog.Infof("Entering Lookup with artist: %s, album: %s and name: %s.\n", d.artist, d.album, name)
if name == ".description" {
return &File{artist: d.artist, album: d.album, song: name, name: name, mPoint: d.mPoint}, nil
}
if name[0] == '.' {
return nil, fuse.EIO
}
if len(d.artist) < 1 {
if name == "drop" {
return &Dir{fs: d.fs, artist: "drop", album: "", mPoint: d.mPoint}, nil
}
if name == "playlists" {
return &Dir{fs: d.fs, artist: "playlists", album: "", mPoint: d.mPoint}, nil
}
_, err := store.GetArtistPath(name)
if err != nil {
glog.Info(err)
return nil, err
}
return &Dir{fs: d.fs, artist: name, album: "", mPoint: d.mPoint}, nil
}
if len(d.album) < 1 && d.artist != "drop" && d.artist != "playlists" {
_, err := store.GetAlbumPath(d.artist, name)
if err != nil {
glog.Info(err)
return nil, err
}
return &Dir{fs: d.fs, artist: d.artist, album: name, mPoint: d.mPoint}, nil
}
var err error
if d.artist == "drop" {
_, err = store.GetDropFilePath(name, d.mPoint)
if err != nil {
glog.Info(err)
return nil, fuse.ENOENT
}
} else if d.artist == "playlists" {
if len(d.album) < 1 {
_, err = store.GetPlaylistPath(name)
if err != nil {
glog.Info(err)
return nil, fuse.ENOENT
}
return &Dir{fs: d.fs, artist: d.artist, album: name, mPoint: d.mPoint}, nil
} else {
_, err = store.GetPlaylistFilePath(d.album, name, d.mPoint)
if err != nil {
glog.Info(err)
return nil, fuse.ENOENT
}
}
} else {
_, err = store.GetFilePath(d.artist, d.album, name)
if err != nil {
glog.Info(err)
return nil, err
}
}
extension := filepath.Ext(name)
songName := name[:len(name)-len(extension)]
return &File{artist: d.artist, album: d.album, song: songName, name: name, mPoint: d.mPoint}, nil
}
func (d *Dir) Remove(ctx context.Context, req *fuse.RemoveRequest) error {
//TODO: Correct this function to work with drop folder.
name := req.Name
glog.Infof("Entered Remove function with Artist: %s, Album: %s and Name: %s.\n", d.artist, d.album, name)
if name == ".description" {
return nil
}
if name[0] == '.' {
return fuse.EIO
}
if req.Dir {
if len(name) < 1 {
return fuse.EIO
}
if len(d.artist) < 1 {
if name == "drop" {
return fuse.EIO
}
if name == "playlists" {
return fuse.EIO
}
err := store.DeleteArtist(name, d.mPoint)
if err != nil {
return fuse.EIO
}
return nil
}
if d.artist == "playlists" {
store.DeletePlaylist(name, d.mPoint)
return nil
}
err := store.DeleteAlbum(d.artist, name, d.mPoint)
if err != nil {
return fuse.EIO
}
return nil
} else {
if len(d.artist) < 1 || len(d.album) < 1 {
return fuse.EIO
}
fullPath, err := store.GetFilePath(d.artist, d.album, name)
if err != nil {
return fuse.EIO
}
if d.artist == "playlists" {
err := store.DeletePlaylistSong(d.album, name, false)
if err != nil {
return fuse.EIO
}
}
err = store.DeleteSong(d.artist, d.album, name, d.mPoint)
if err != nil {
return fuse.EIO
}
//TODO: Check if there are no more files in the folder
// and delete the folder.
err = os.Remove(fullPath)
if err != nil {
return err
}
return nil
}
}