photoprism/internal/query/purge.go
2021-02-08 14:09:58 +01:00

55 lines
1.6 KiB
Go

package query
import "github.com/photoprism/photoprism/internal/entity"
// PurgeOrphans removes orphan database entries.
func PurgeOrphans() error {
if err := PurgeOrphanDuplicates(); err != nil {
return err
}
if err := PurgeOrphanCountries(); err != nil {
return err
}
if err := PurgeOrphanCameras(); err != nil {
return err
}
if err := PurgeOrphanLenses(); err != nil {
return err
}
return nil
}
// PurgeOrphanDuplicates deletes all files from the duplicates table that don't exist in the files table.
func PurgeOrphanDuplicates() error {
return UnscopedDb().Delete(
entity.Duplicate{},
"file_hash NOT IN (SELECT file_hash FROM files WHERE file_missing = 0 AND deleted_at IS NULL)").Error
}
// PurgeOrphanCountries removes countries without any photos.
func PurgeOrphanCountries() error {
entity.FlushCountryCache()
switch DbDialect() {
default:
return UnscopedDb().Exec(`DELETE FROM countries WHERE country_slug <> ? AND id NOT IN (SELECT photo_country FROM photos)`, entity.UnknownCountry.CountrySlug).Error
}
}
// PurgeOrphanCameras removes cameras without any photos.
func PurgeOrphanCameras() error {
entity.FlushCameraCache()
switch DbDialect() {
default:
return UnscopedDb().Exec(`DELETE FROM cameras WHERE camera_slug <> ? AND id NOT IN (SELECT camera_id FROM photos)`, entity.UnknownCamera.CameraSlug).Error
}
}
// PurgeOrphanLenses removes cameras without any photos.
func PurgeOrphanLenses() error {
entity.FlushLensCache()
switch DbDialect() {
default:
return UnscopedDb().Exec(`DELETE FROM lenses WHERE lens_slug <> ? AND id NOT IN (SELECT lens_id FROM photos)`, entity.UnknownLens.LensSlug).Error
}
}