102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
package scanner
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import (
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"context"
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"errors"
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"fmt"
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"strconv"
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"time"
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"github.com/deluan/navidrome/log"
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"github.com/deluan/navidrome/model"
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)
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type Scanner struct {
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folders map[string]FolderScanner
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ds model.DataStore
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}
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func New(ds model.DataStore) *Scanner {
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s := &Scanner{ds: ds, folders: map[string]FolderScanner{}}
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s.loadFolders()
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return s
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}
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func (s *Scanner) Rescan(mediaFolder string, fullRescan bool) error {
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folderScanner := s.folders[mediaFolder]
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start := time.Now()
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lastModifiedSince := time.Time{}
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if !fullRescan {
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lastModifiedSince = s.getLastModifiedSince(mediaFolder)
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log.Debug("Scanning folder", "folder", mediaFolder, "lastModifiedSince", lastModifiedSince)
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} else {
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log.Debug("Scanning folder (full scan)", "folder", mediaFolder)
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}
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err := folderScanner.Scan(log.NewContext(context.TODO()), lastModifiedSince)
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if err != nil {
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log.Error("Error importing MediaFolder", "folder", mediaFolder, err)
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}
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s.updateLastModifiedSince(mediaFolder, start)
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return err
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}
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func (s *Scanner) RescanAll(fullRescan bool) error {
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var hasError bool
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for folder := range s.folders {
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err := s.Rescan(folder, fullRescan)
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hasError = hasError || err != nil
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}
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if hasError {
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log.Error("Errors while scanning media. Please check the logs")
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return errors.New("errors while scanning media")
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}
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return nil
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}
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func (s *Scanner) Status() []StatusInfo { return nil }
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func (s *Scanner) getLastModifiedSince(folder string) time.Time {
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ms, err := s.ds.Property(context.TODO()).Get(model.PropLastScan + "-" + folder)
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if err != nil {
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return time.Time{}
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}
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if ms == "" {
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return time.Time{}
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}
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i, _ := strconv.ParseInt(ms, 10, 64)
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return time.Unix(0, i*int64(time.Millisecond))
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}
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func (s *Scanner) updateLastModifiedSince(folder string, t time.Time) {
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millis := t.UnixNano() / int64(time.Millisecond)
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if err := s.ds.Property(context.TODO()).Put(model.PropLastScan+"-"+folder, fmt.Sprint(millis)); err != nil {
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log.Error("Error updating DB after scan", err)
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}
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}
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func (s *Scanner) loadFolders() {
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fs, _ := s.ds.MediaFolder(context.TODO()).GetAll()
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for _, f := range fs {
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log.Info("Configuring Media Folder", "name", f.Name, "path", f.Path)
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s.folders[f.Path] = s.newScanner(f)
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}
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}
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func (s *Scanner) newScanner(f model.MediaFolder) FolderScanner {
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return NewTagScanner(f.Path, s.ds)
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}
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type Status int
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type StatusInfo struct {
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MediaFolder string
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Status Status
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}
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type FolderScanner interface {
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Scan(ctx context.Context, lastModifiedSince time.Time) error
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}
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