func UpdateDirectory(origd string, subs []os.FileInfo, force_reload bool,
sdir *store.Directory) error {
old_itms := make(map[string]*store.Item, len(sdir.Items))
for _, itm := range sdir.Items {
old_itms[*itm.Name] = itm
}
imgs, vids, dirs := filterEntries(subs)
sdir.SubDirectories = dirs
new_items := make([]*store.Item, 0, len(imgs)+len(vids))
for _, new_vid := range vids {
old_vid, _ := old_itms[*new_vid.Name]
new_items = append(new_items, mergeVideo(old_vid, new_vid))
}
for _, new_img := range imgs {
old_img, ok := old_itms[*new_img.Name]
if !ok || old_img.FileTimestamp == nil ||
*old_img.FileTimestamp != *new_img.FileTimestamp || force_reload {
err := LoadImageFile(path.Join(origd, *new_img.Name), new_img)
if err != nil {
log.Printf("%s: %s\n", path.Join(origd, *new_img.Name), err.Error())
}
}
new_items = append(new_items, mergeImage(old_img, new_img))
if len(new_img.Keywords) == 0 {
log.Printf("%s: no keywords\n", path.Join(origd, *new_img.Name))
}
}
sdir.Items = new_items
return nil
}
