photoprism/internal/query/faces.go

76 lines
1.9 KiB
Go

package query
import (
"github.com/photoprism/photoprism/internal/entity"
)
// Faces returns (known) faces from the index.
func Faces(knownOnly bool) (result entity.Faces, err error) {
stmt := Db().
Where("id <> ?", entity.UnknownFace.ID).
Order("id")
if knownOnly {
stmt = stmt.Where("subject_uid <> ''")
}
err = stmt.Find(&result).Error
return result, err
}
// MatchKnownFaces matches known faces with file markers.
func MatchKnownFaces() (affected int64, err error) {
faces, err := Faces(true)
if err != nil {
return affected, err
}
for _, match := range faces {
if res := Db().Model(&entity.Marker{}).
Where("face_id = ?", match.ID).
Updates(entity.Values{"SubjectUID": match.SubjectUID, "SubjectSrc": entity.SrcAuto, "FaceID": ""}); res.Error != nil {
return affected, err
} else if res.RowsAffected > 0 {
affected += res.RowsAffected
}
}
return affected, nil
}
// PurgeAnonymousFaces removes anonymous faces from the index.
func PurgeAnonymousFaces() error {
return UnscopedDb().Delete(
entity.Face{},
"id <> ? AND subject_uid = '' AND updated_at < ?", entity.UnknownFace.ID, entity.Yesterday()).Error
}
// ResetFaces removes all face clusters from the index.
func ResetFaces() error {
return UnscopedDb().
Delete(entity.Face{}, "id <> ? AND face_src = ''", entity.UnknownFace.ID).
Error
}
// CountNewFaceMarkers returns the number of new face markers in the index.
func CountNewFaceMarkers() (n int) {
var f entity.Face
if err := Db().Where("id <> ?", entity.UnknownFace.ID).Order("created_at DESC").Take(&f).Error; err != nil {
log.Debugf("faces: no existing clusters")
}
q := Db().Model(&entity.Markers{}).Where("marker_type = ? AND embeddings_json <> ''", entity.MarkerFace)
if !f.CreatedAt.IsZero() {
q = q.Where("created_at > ?", f.CreatedAt)
}
if err := q.Order("created_at DESC").Count(&n).Error; err != nil {
log.Errorf("faces: %s (count new markers)", err)
}
return n
}