photoprism/internal/query/file_selection.go
2022-02-27 17:32:54 +01:00

105 lines
2.9 KiB
Go

package query
import (
"errors"
"fmt"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/form"
)
// FileSelection represents a selection filter to include/exclude certain files.
type FileSelection struct {
Video bool
Sidecar bool
PrimaryOnly bool
OriginalsOnly bool
SizeLimit int
Include []string
Exclude []string
}
// FileSelectionAll returns options that include videos and sidecar files.
func FileSelectionAll() FileSelection {
return FileSelection{
Video: true,
Sidecar: true,
PrimaryOnly: false,
OriginalsOnly: false,
SizeLimit: 0,
Include: []string{},
Exclude: []string{},
}
}
// SelectedFiles finds files based on the given selection form, e.g. for downloading or sharing.
func SelectedFiles(f form.Selection, o FileSelection) (results entity.Files, err error) {
if f.Empty() {
return results, errors.New("no items selected")
}
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 files.file_uid IN (SELECT file_uid FROM %s m WHERE 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("files").
Select("files.*").
Joins("JOIN photos ON photos.id = files.photo_id").
Where("photos.deleted_at IS NULL").
Where("files.file_missing = 0").
Where(where, f.Photos, f.Places, f.Files, f.Files, f.Files, f.Albums, f.Subjects, f.Labels, f.Labels).
Group("files.id")
if o.OriginalsOnly {
s = s.Where("file_root = '/'")
}
if o.PrimaryOnly {
s = s.Where("file_primary = 1")
}
if !o.Sidecar {
s = s.Where("file_sidecar = 0")
}
if !o.Video {
s = s.Where("file_video = 0")
}
if o.SizeLimit > 0 {
s = s.Where("file_size < ?", o.SizeLimit)
}
if len(o.Include) > 0 {
s = s.Where("file_type IN (?)", o.Include)
}
if len(o.Exclude) > 0 {
s = s.Where("file_type NOT IN (?)", o.Exclude)
}
if result := s.Scan(&results); result.Error != nil {
return results, result.Error
}
return results, nil
}