photoprism/internal/query/photo_selection.go

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package query
import (
"errors"
"fmt"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/form"
)
// SelectedPhotos finds photos based on the given selection form, e.g. for adding them to an album.
func SelectedPhotos(f form.Selection) (results entity.Photos, err error) {
if f.Empty() {
return results, errors.New("no items selected")
}
// Resolve photos in smart albums.
if photoIds, err := AlbumsPhotoUIDs(f.Albums, false, false); err != nil {
log.Warnf("query: %s", err.Error())
} else if len(photoIds) > 0 {
f.Photos = append(f.Photos, photoIds...)
}
var concat string
switch DbDialect() {
case MySQL:
concat = "CONCAT(a.path, '/%')"
case SQLite3:
concat = "a.path || '/%'"
default:
return results, fmt.Errorf("unknown sql dialect: %s", DbDialect())
}
where := fmt.Sprintf(`photos.photo_uid IN (?)
OR photos.place_id IN (?)
OR photos.photo_uid IN (SELECT photo_uid FROM files WHERE file_uid IN (?))
OR photos.photo_path IN (
SELECT a.path FROM folders a WHERE a.folder_uid IN (?) UNION
SELECT b.path FROM folders a JOIN folders b ON b.path LIKE %s WHERE a.folder_uid IN (?))
OR photos.photo_uid IN (SELECT photo_uid FROM photos_albums WHERE hidden = 0 AND album_uid IN (?))
OR photos.id IN (SELECT f.photo_id FROM files f JOIN %s m ON f.file_uid = m.file_uid WHERE f.deleted_at IS NULL AND m.subj_uid IN (?))
OR photos.id IN (SELECT pl.photo_id FROM photos_labels pl JOIN labels l ON pl.label_id = l.id AND l.deleted_at IS NULL WHERE l.label_uid IN (?))
OR photos.id IN (SELECT pl.photo_id FROM photos_labels pl JOIN categories c ON c.label_id = pl.label_id JOIN labels lc ON lc.id = c.category_id AND lc.deleted_at IS NULL WHERE lc.label_uid IN (?))`,
concat, entity.Marker{}.TableName())
s := UnscopedDb().Table("photos").
Select("photos.*").
Where(where, f.Photos, f.Places, f.Files, f.Files, f.Files, f.Albums, f.Subjects, f.Labels, f.Labels)
if result := s.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}