2020-07-24 19:37:58 +02:00
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package scanner
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import (
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"os"
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"path"
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"strconv"
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2020-08-03 19:39:39 +02:00
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2020-12-17 22:51:43 +01:00
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"github.com/photoview/photoview/api/graphql/models"
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2020-08-03 19:39:39 +02:00
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"github.com/pkg/errors"
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2020-11-23 19:39:44 +01:00
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"gorm.io/gorm"
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2020-07-24 19:37:58 +02:00
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)
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2020-11-28 21:29:31 +01:00
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func CleanupMedia(db *gorm.DB, albumId int, albumMedia []*models.Media) []error {
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albumMediaIds := make([]int, len(albumMedia))
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2020-11-23 20:43:00 +01:00
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for i, media := range albumMedia {
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albumMediaIds[i] = media.ID
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2020-07-24 19:37:58 +02:00
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}
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2020-11-23 20:43:00 +01:00
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// Will get from database
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var mediaList []models.Media
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2020-11-30 21:29:49 +01:00
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query := db.Where("album_id = ?", albumId)
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2020-07-24 19:37:58 +02:00
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2020-08-15 13:58:03 +02:00
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// Select media from database that was not found on hard disk
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if len(albumMedia) > 0 {
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2020-11-30 21:29:49 +01:00
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query.Where("NOT id IN ?", albumMediaIds)
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2020-08-15 13:58:03 +02:00
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}
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2020-11-23 20:43:00 +01:00
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2020-11-30 21:29:49 +01:00
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if err := query.Find(&mediaList).Error; err != nil {
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2020-07-24 19:37:58 +02:00
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return []error{errors.Wrap(err, "get media files to be deleted from database")}
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}
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deleteErrors := make([]error, 0)
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2020-11-30 16:42:13 +01:00
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mediaIDs := make([]int, 0)
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2020-11-23 20:43:00 +01:00
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for _, media := range mediaList {
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2020-07-24 19:37:58 +02:00
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2020-11-30 16:42:13 +01:00
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mediaIDs = append(mediaIDs, media.ID)
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2020-11-23 20:43:00 +01:00
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cachePath := path.Join(PhotoCache(), strconv.Itoa(int(albumId)), strconv.Itoa(int(media.ID)))
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err := os.RemoveAll(cachePath)
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2020-07-24 19:37:58 +02:00
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if err != nil {
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2020-11-23 20:43:00 +01:00
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deleteErrors = append(deleteErrors, errors.Wrapf(err, "delete unused cache folder (%s)", cachePath))
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2020-07-24 19:37:58 +02:00
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}
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2020-11-23 20:43:00 +01:00
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}
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2020-07-24 19:37:58 +02:00
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2020-11-30 21:29:49 +01:00
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if len(mediaIDs) > 0 {
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if err := db.Where("id IN ?", mediaIDs).Delete(models.Media{}).Error; err != nil {
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deleteErrors = append(deleteErrors, errors.Wrap(err, "delete old media from database"))
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}
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2020-07-24 19:37:58 +02:00
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}
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return deleteErrors
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}
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2020-08-03 19:39:39 +02:00
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2020-11-23 19:39:44 +01:00
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func deleteOldUserAlbums(db *gorm.DB, scannedAlbums []*models.Album, user *models.User) []error {
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2020-08-03 19:39:39 +02:00
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if len(scannedAlbums) == 0 {
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return nil
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}
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2020-12-22 01:14:43 +01:00
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scannedAlbumIDs := make([]interface{}, len(scannedAlbums))
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2020-08-03 19:39:39 +02:00
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for i, album := range scannedAlbums {
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2020-12-22 01:14:43 +01:00
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scannedAlbumIDs[i] = album.ID
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2020-08-03 19:39:39 +02:00
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}
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// Delete old albums
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2020-11-23 20:43:00 +01:00
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var albums []models.Album
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2020-12-22 01:14:43 +01:00
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userAlbumIDs := make([]int, len(user.Albums))
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for i, album := range user.Albums {
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userAlbumIDs[i] = album.ID
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}
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query := db.
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Where("id IN (?)", userAlbumIDs).
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Where("id NOT IN (?)", scannedAlbumIDs)
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if err := query.Find(&albums).Error; err != nil {
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2020-08-03 19:39:39 +02:00
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return []error{errors.Wrap(err, "get albums to be deleted from database")}
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}
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deleteErrors := make([]error, 0)
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2020-12-22 01:14:43 +01:00
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deleteAlbumIDs := make([]int, len(albums))
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for i, album := range albums {
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deleteAlbumIDs[i] = album.ID
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2020-12-17 21:32:13 +01:00
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cachePath := path.Join(PhotoCache(), strconv.Itoa(int(album.ID)))
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2020-11-30 16:42:13 +01:00
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err := os.RemoveAll(cachePath)
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2020-08-03 19:39:39 +02:00
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if err != nil {
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2020-11-30 16:42:13 +01:00
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deleteErrors = append(deleteErrors, errors.Wrapf(err, "delete unused cache folder (%s)", cachePath))
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2020-08-03 19:39:39 +02:00
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}
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}
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2020-12-22 01:14:43 +01:00
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if err := db.Where("id IN ?", deleteAlbumIDs).Delete(models.Album{}).Error; err != nil {
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2020-11-23 20:43:00 +01:00
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ScannerError("Could not delete old albums from database:\n%s\n", err)
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deleteErrors = append(deleteErrors, errors.Wrap(err, "delete old albums from database"))
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2020-08-03 19:39:39 +02:00
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}
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return deleteErrors
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}
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