78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
package specidpaths
|
|
|
|
import (
|
|
"errors"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"go.senan.xyz/gonic/db"
|
|
"go.senan.xyz/gonic/server/ctrlsubsonic/specid"
|
|
)
|
|
|
|
var ErrNotAbs = errors.New("not abs")
|
|
var ErrNotFound = errors.New("not found")
|
|
|
|
type Result interface {
|
|
SID() *specid.ID
|
|
AbsPath() string
|
|
}
|
|
|
|
// Locate maps a specid to its location on the filesystem
|
|
func Locate(dbc *db.DB, podcastsPath string, id specid.ID) (Result, error) {
|
|
switch id.Type {
|
|
case specid.Track:
|
|
var track db.Track
|
|
if err := dbc.Preload("Album").Where("id=?", id.Value).Find(&track).Error; err == nil {
|
|
return &track, nil
|
|
}
|
|
case specid.PodcastEpisode:
|
|
var pe db.PodcastEpisode
|
|
if err := dbc.Where("id=?", id.Value).Find(&pe).Error; err == nil {
|
|
pe.AbsP = filepath.Join(podcastsPath, pe.Path)
|
|
return &pe, err
|
|
}
|
|
}
|
|
return nil, ErrNotFound
|
|
}
|
|
|
|
// Locate maps a location on the filesystem to a specid
|
|
func Lookup(dbc *db.DB, musicPaths []string, podcastsPath string, path string) (Result, error) {
|
|
if !filepath.IsAbs(path) {
|
|
return nil, ErrNotAbs
|
|
}
|
|
|
|
if strings.HasPrefix(path, podcastsPath) {
|
|
path, _ = filepath.Rel(podcastsPath, path)
|
|
var pe db.PodcastEpisode
|
|
if err := dbc.Where(`path=?`, path).First(&pe).Error; err == nil {
|
|
return &pe, nil
|
|
}
|
|
return nil, ErrNotFound
|
|
}
|
|
|
|
var musicPath string
|
|
for _, mp := range musicPaths {
|
|
if strings.HasPrefix(path, mp) {
|
|
musicPath = mp
|
|
}
|
|
}
|
|
if musicPath == "" {
|
|
return nil, ErrNotFound
|
|
}
|
|
|
|
relPath, _ := filepath.Rel(musicPath, path)
|
|
relDir, filename := filepath.Split(relPath)
|
|
leftPath, rightPath := filepath.Split(filepath.Clean(relDir))
|
|
|
|
q := dbc.
|
|
Where(`albums.root_dir=? AND albums.left_path=? AND albums.right_path=? AND tracks.filename=?`, musicPath, leftPath, rightPath, filename).
|
|
Joins(`JOIN albums ON tracks.album_id=albums.id`).
|
|
Preload("Album")
|
|
|
|
var track db.Track
|
|
if err := q.First(&track).Error; err == nil {
|
|
return &track, nil
|
|
}
|
|
return nil, ErrNotFound
|
|
}
|