114 lines
4 KiB
Go
114 lines
4 KiB
Go
package entity
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import (
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"github.com/jinzhu/gorm"
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"github.com/photoprism/photoprism/pkg/rnd"
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)
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// ResolvePrimary ensures there is only one primary file for a photo.
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func (m *Photo) ResolvePrimary() error {
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var file File
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if err := Db().Where("file_primary = 1 AND photo_id = ?", m.ID).First(&file).Error; err == nil && file.ID > 0 {
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return file.ResolvePrimary()
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}
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return nil
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}
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// Identical returns identical photos that can be merged.
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func (m *Photo) Identical(includeMeta, includeUuid bool) (identical Photos, err error) {
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if m.PhotoStack == IsUnstacked || m.PhotoName == "" {
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return identical, nil
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}
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switch {
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case includeMeta && includeUuid && m.HasLocation() && m.HasLatLng() && m.TakenSrc == SrcMeta && rnd.IsUUID(m.UUID):
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if err := Db().
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Where("(taken_at = ? AND taken_src = 'meta' AND photo_stack > -1 AND cell_id = ? AND camera_serial = ? AND camera_id = ?) "+
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"OR (uuid = ? AND photo_stack > -1)"+
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"OR (photo_path = ? AND photo_name = ?)",
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m.TakenAt, m.CellID, m.CameraSerial, m.CameraID, m.UUID, m.PhotoPath, m.PhotoName).
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Order("id ASC").Find(&identical).Error; err != nil {
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return identical, err
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}
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case includeMeta && m.HasLocation() && m.HasLatLng() && m.TakenSrc == SrcMeta:
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if err := Db().
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Where("(taken_at = ? AND taken_src = 'meta' AND photo_stack > -1 AND cell_id = ? AND camera_serial = ? AND camera_id = ?) "+
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"OR (photo_path = ? AND photo_name = ?)",
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m.TakenAt, m.CellID, m.CameraSerial, m.CameraID, m.PhotoPath, m.PhotoName).
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Order("id ASC").Find(&identical).Error; err != nil {
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return identical, err
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}
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case includeUuid && rnd.IsUUID(m.UUID):
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if err := Db().
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Where("(uuid = ? AND photo_stack > -1) OR (photo_path = ? AND photo_name = ?)",
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m.UUID, m.PhotoPath, m.PhotoName).
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Order("id ASC").Find(&identical).Error; err != nil {
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return identical, err
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}
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default:
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if err := Db().
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Where("photo_path = ? AND photo_name = ?", m.PhotoPath, m.PhotoName).
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Order("id ASC").Find(&identical).Error; err != nil {
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return identical, err
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}
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}
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return identical, nil
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}
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// Merge photo with identical ones.
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func (m *Photo) Merge(mergeMeta, mergeUuid bool) (original Photo, merged Photos, err error) {
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identical, err := m.Identical(mergeMeta, mergeUuid)
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if len(identical) < 2 || err != nil {
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return Photo{}, merged, err
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}
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logResult := func(res *gorm.DB) {
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if res.Error != nil {
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log.Errorf("merge: %s", res.Error.Error())
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err = res.Error
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}
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}
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for i, merge := range identical {
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if i == 0 {
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original = merge
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log.Debugf("photo: merging id %d with %d identical", original.ID, len(identical)-1)
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continue
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}
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deleted := Timestamp()
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logResult(UnscopedDb().Exec("UPDATE `files` SET photo_id = ?, photo_uid = ?, file_primary = 0 WHERE photo_id = ?", original.ID, original.PhotoUID, merge.ID))
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logResult(UnscopedDb().Exec("UPDATE `photos` SET photo_quality = -1, deleted_at = ? WHERE id = ?", Timestamp(), merge.ID))
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switch DbDialect() {
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case MySQL:
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logResult(UnscopedDb().Exec("UPDATE IGNORE `photos_keywords` SET `photo_id` = ? WHERE photo_id = ?", original.ID, merge.ID))
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logResult(UnscopedDb().Exec("UPDATE IGNORE `photos_labels` SET `photo_id` = ? WHERE photo_id = ?", original.ID, merge.ID))
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logResult(UnscopedDb().Exec("UPDATE IGNORE `photos_albums` SET `photo_uid` = ? WHERE photo_uid = ?", original.PhotoUID, merge.PhotoUID))
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case SQLite:
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logResult(UnscopedDb().Exec("UPDATE OR IGNORE `photos_keywords` SET `photo_id` = ? WHERE photo_id = ?", original.ID, merge.ID))
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logResult(UnscopedDb().Exec("UPDATE OR IGNORE `photos_labels` SET `photo_id` = ? WHERE photo_id = ?", original.ID, merge.ID))
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logResult(UnscopedDb().Exec("UPDATE OR IGNORE `photos_albums` SET `photo_uid` = ? WHERE photo_uid = ?", original.PhotoUID, merge.PhotoUID))
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default:
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log.Warnf("merge: unknown sql dialect")
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}
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merge.DeletedAt = &deleted
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merge.PhotoQuality = -1
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merged = append(merged, merge)
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}
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if original.ID != m.ID {
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deleted := Timestamp()
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m.DeletedAt = &deleted
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m.PhotoQuality = -1
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}
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return original, merged, err
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}
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