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//
// pool-import
//
// Copyright (C) 2016 Christian Pointner <equinox@helsinki.at>
//
// This file is part of pool-import.
//
// pool-import is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// pool-import is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with pool-import. If not, see <http://www.gnu.org/licenses/>.
//
package main
import (
"log"
"os"
"path/filepath"
"github.com/ushis/m3u"
)
type M3u struct {
filename string
stdlog *log.Logger
}
func (m *M3u) Walk(C chan<- string) (err error) {
defer close(C)
m.stdlog.Printf("loading m3u-playlist: %s", m.filename)
var file *os.File
if file, err = os.Open(m.filename); err != nil {
return
}
defer file.Close()
var old_wd string
if old_wd, err = os.Getwd(); err != nil {
return
}
defer func(wd string) {
if err := os.Chdir(wd); err != nil {
m.stdlog.Printf("ERROR: changing back to original working directory: %v", err)
}
}(old_wd)
if err = os.Chdir(filepath.Dir(m.filename)); err != nil {
m.stdlog.Printf("ERROR: changing to m3u directory: %v", err)
}
var playlist m3u.Playlist
if playlist, err = m3u.Parse(file); err != nil {
return
}
for _, track := range playlist {
if checkFileExt(track.Path) {
if absPath, err := filepath.Abs(track.Path); err != nil {
m.stdlog.Printf(" - skipping (%v): %s", err, filepath.Base(track.Path))
} else {
C <- absPath
}
} else {
m.stdlog.Printf(" - skipping (unknown extension): %s", filepath.Base(track.Path))
}
}
return nil
}
func NewM3u(path string, stdlog *log.Logger) (m *M3u) {
m = &M3u{filename: path, stdlog: stdlog}
return
}
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