photoprism/internal/query/purge.go

111 lines
2.7 KiB
Go

package query
import (
"time"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/mutex"
)
// PurgeOrphans removes orphan database entries.
func PurgeOrphans() error {
// Remove files without a photo.
start := time.Now()
if count, err := PurgeOrphanFiles(); err != nil {
return err
} else if count > 0 {
log.Warnf("index: removed %d orphan files [%s]", count, time.Since(start))
} else {
log.Infof("index: found no orphan files [%s]", time.Since(start))
}
// Remove duplicates without an original file.
if err := PurgeOrphanDuplicates(); err != nil {
return err
}
// Remove unused countries.
if err := PurgeOrphanCountries(); err != nil {
return err
}
// Remove unused cameras.
if err := PurgeOrphanCameras(); err != nil {
return err
}
// Remove unused camera lenses.
if err := PurgeOrphanLenses(); err != nil {
return err
}
return nil
}
// PurgeOrphanFiles removes files without a photo from the index.
func PurgeOrphanFiles() (count int, err error) {
mutex.IndexUpdate.Lock()
defer mutex.IndexUpdate.Unlock()
files, err := OrphanFiles()
if err != nil {
return count, err
}
for i := range files {
if err = files[i].DeletePermanently(); err != nil {
return count, err
}
count++
}
return count, err
}
// PurgeOrphanDuplicates deletes all files from the duplicates table that don't exist in the files table.
func PurgeOrphanDuplicates() error {
mutex.IndexUpdate.Lock()
defer mutex.IndexUpdate.Unlock()
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 {
mutex.IndexUpdate.Lock()
defer mutex.IndexUpdate.Unlock()
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 {
mutex.IndexUpdate.Lock()
defer mutex.IndexUpdate.Unlock()
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 {
mutex.IndexUpdate.Lock()
defer mutex.IndexUpdate.Unlock()
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
}
}