photoprism/internal/query/selection.go

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package query
import (
"errors"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/form"
)
// PhotoSelection returns all selected photos.
func PhotoSelection(f form.Selection) (results []entity.Photo, err error) {
if f.Empty() {
return results, errors.New("no photos selected")
}
s := Db().NewScope(nil).DB()
s = s.Table("photos").
Select("photos.*").
Joins("LEFT JOIN photos_labels pl ON pl.photo_id = photos.id").
Joins("LEFT JOIN labels l ON pl.label_id = l.id AND l.deleted_at IS NULL").
Joins("LEFT JOIN categories c ON c.label_id = pl.label_id").
Joins("LEFT JOIN labels lc ON lc.id = c.category_id AND lc.deleted_at IS NULL").
Where("photos.deleted_at IS NULL").
Group("photos.id")
s = s.Where("photos.photo_uuid IN (?) OR l.label_uuid IN (?) OR lc.label_uuid IN (?)", f.Photos, f.Labels, f.Labels)
if result := s.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}