131 lines
2.7 KiB
Go
131 lines
2.7 KiB
Go
package reveil
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import (
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"crypto/sha512"
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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"git.nemunai.re/nemunaire/reveil/config"
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)
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const CURRENT_GONG = "_current_gong"
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type Gong struct {
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Id Identifier `json:"id"`
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Name string `json:"name"`
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Path string `json:"path"`
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Enabled bool `json:"enabled"`
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}
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func CurrentGongPath(cfg *config.Config) string {
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return filepath.Join(cfg.GongsDir, CURRENT_GONG)
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}
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func LoadGong(cfg *config.Config, path string, d fs.FileInfo) (gong *Gong, err error) {
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// Retrieve the path of the current gong
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current_gong, err := os.Readlink(CurrentGongPath(cfg))
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if err == nil {
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current_gong, _ = filepath.Abs(filepath.Join(cfg.GongsDir, current_gong))
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}
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hash := sha512.Sum512([]byte(path))
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pabs, _ := filepath.Abs(path)
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return &Gong{
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Id: hash[:],
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Name: strings.TrimSuffix(d.Name(), filepath.Ext(d.Name())),
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Path: path,
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Enabled: current_gong == pabs,
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}, nil
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}
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func LoadGongs(cfg *config.Config) (gongs []*Gong, err error) {
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// Retrieve the path of the current gong
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current_gong, err := os.Readlink(CurrentGongPath(cfg))
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if err == nil {
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current_gong, _ = filepath.Abs(filepath.Join(cfg.GongsDir, current_gong))
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}
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// Retrieve the list
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err = filepath.Walk(cfg.GongsDir, func(path string, d fs.FileInfo, err error) error {
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if d.Mode().IsRegular() {
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hash := sha512.Sum512([]byte(path))
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pabs, _ := filepath.Abs(path)
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gongs = append(gongs, &Gong{
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Id: hash[:],
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Name: strings.TrimSuffix(d.Name(), filepath.Ext(d.Name())),
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Path: path,
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Enabled: current_gong == pabs,
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})
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}
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return nil
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})
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return
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}
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func (g *Gong) Open() (*os.File, error) {
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return os.Open(g.Path)
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}
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func (g *Gong) Size() (int64, error) {
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if st, err := os.Stat(g.Path); err != nil {
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return 0, err
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} else {
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return st.Size(), err
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}
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}
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func (g *Gong) ContentType() string {
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switch filepath.Ext(g.Path) {
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case ".flac":
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return "audio/flac"
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case ".mp3":
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return "audio/mpeg"
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case ".ogg":
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return "audio/ogg"
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case ".wav":
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return "audio/vnd.wav"
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}
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return "application/octet-stream"
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}
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func (g *Gong) Rename(newName string) error {
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newPath := filepath.Join(filepath.Dir(g.Path), newName+filepath.Ext(g.Path))
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err := os.Rename(
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g.Path,
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newPath,
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)
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if err != nil {
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return err
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}
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g.Path = newPath
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return nil
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}
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func (g *Gong) SetDefault(cfg *config.Config) error {
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linkpath := CurrentGongPath(cfg)
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os.Remove(linkpath)
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pabs, err := filepath.Abs(g.Path)
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if err != nil {
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pabs = g.Path
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}
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gdirabs, err := filepath.Abs(cfg.GongsDir)
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if err != nil {
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gdirabs = cfg.GongsDir
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}
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return os.Symlink(strings.TrimPrefix(strings.TrimPrefix(pabs, gdirabs), "/"), linkpath)
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}
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func (g *Gong) Remove() error {
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return os.Remove(g.Path)
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}
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