/
faces.go
455 lines (353 loc) · 11.6 KB
/
faces.go
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package resolvers
import (
"context"
api "github.com/photoview/photoview/api/graphql"
"github.com/photoview/photoview/api/graphql/auth"
"github.com/photoview/photoview/api/graphql/models"
"github.com/photoview/photoview/api/scanner/face_detection"
"github.com/pkg/errors"
"gorm.io/gorm"
)
type imageFaceResolver struct {
*Resolver
}
type faceGroupResolver struct {
*Resolver
}
func (r *Resolver) ImageFace() api.ImageFaceResolver {
return imageFaceResolver{r}
}
func (r *Resolver) FaceGroup() api.FaceGroupResolver {
return faceGroupResolver{r}
}
func (r imageFaceResolver) FaceGroup(ctx context.Context, obj *models.ImageFace) (*models.FaceGroup, error) {
if obj.FaceGroup != nil {
return obj.FaceGroup, nil
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
var faceGroup models.FaceGroup
if err := r.Database.Model(&obj).Association("FaceGroup").Find(&faceGroup); err != nil {
return nil, err
}
obj.FaceGroup = &faceGroup
return &faceGroup, nil
}
func (r faceGroupResolver) ImageFaces(ctx context.Context, obj *models.FaceGroup, paginate *models.Pagination) ([]*models.ImageFace, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
if err := user.FillAlbums(r.Database); err != nil {
return nil, err
}
userAlbumIDs := make([]int, len(user.Albums))
for i, album := range user.Albums {
userAlbumIDs[i] = album.ID
}
query := r.Database.
Joins("Media").
Where("face_group_id = ?", obj.ID).
Where("album_id IN (?)", userAlbumIDs)
query = models.FormatSQL(query, nil, paginate)
var imageFaces []*models.ImageFace
if err := query.Find(&imageFaces).Error; err != nil {
return nil, err
}
return imageFaces, nil
}
func (r faceGroupResolver) ImageFaceCount(ctx context.Context, obj *models.FaceGroup) (int, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return -1, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return -1, errors.New("face detector not initialized")
}
if err := user.FillAlbums(r.Database); err != nil {
return -1, err
}
userAlbumIDs := make([]int, len(user.Albums))
for i, album := range user.Albums {
userAlbumIDs[i] = album.ID
}
query := r.Database.
Model(&models.ImageFace{}).
Joins("Media").
Where("face_group_id = ?", obj.ID).
Where("album_id IN (?)", userAlbumIDs)
var count int64
if err := query.Count(&count).Error; err != nil {
return -1, err
}
return int(count), nil
}
func (r *queryResolver) FaceGroup(ctx context.Context, id int) (*models.FaceGroup, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
if err := user.FillAlbums(r.Database); err != nil {
return nil, err
}
userAlbumIDs := make([]int, len(user.Albums))
for i, album := range user.Albums {
userAlbumIDs[i] = album.ID
}
faceGroupQuery := r.Database.
Joins("LEFT JOIN image_faces ON image_faces.face_group_id = face_groups.id").
Where("face_groups.id = ?", id).
Where("image_faces.media_id IN (?)", r.Database.Select("media_id").Table("media").Where("media.album_id IN (?)", userAlbumIDs))
var faceGroup models.FaceGroup
if err := faceGroupQuery.Find(&faceGroup).Error; err != nil {
return nil, err
}
return &faceGroup, nil
}
func (r *queryResolver) MyFaceGroups(ctx context.Context, paginate *models.Pagination) ([]*models.FaceGroup, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
if err := user.FillAlbums(r.Database); err != nil {
return nil, err
}
userAlbumIDs := make([]int, len(user.Albums))
for i, album := range user.Albums {
userAlbumIDs[i] = album.ID
}
faceGroupQuery := r.Database.
Joins("JOIN image_faces ON image_faces.face_group_id = face_groups.id").
Where("image_faces.media_id IN (?)", r.Database.Select("media.id").Table("media").Where("media.album_id IN (?)", userAlbumIDs)).
Group("image_faces.face_group_id").
Group("face_groups.id").
Order("CASE WHEN label IS NULL THEN 1 ELSE 0 END").
Order("COUNT(image_faces.id) DESC")
faceGroupQuery = models.FormatSQL(faceGroupQuery, nil, paginate)
var faceGroups []*models.FaceGroup
if err := faceGroupQuery.Find(&faceGroups).Error; err != nil {
return nil, err
}
return faceGroups, nil
}
func (r *mutationResolver) SetFaceGroupLabel(ctx context.Context, faceGroupID int, label *string) (*models.FaceGroup, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
faceGroup, err := userOwnedFaceGroup(r.Database, user, faceGroupID)
if err != nil {
return nil, err
}
if err := r.Database.Model(faceGroup).Update("label", label).Error; err != nil {
return nil, err
}
return faceGroup, nil
}
func (r *mutationResolver) CombineFaceGroups(ctx context.Context, destinationFaceGroupID int, sourceFaceGroupID int) (*models.FaceGroup, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
destinationFaceGroup, err := userOwnedFaceGroup(r.Database, user, destinationFaceGroupID)
if err != nil {
return nil, err
}
sourceFaceGroup, err := userOwnedFaceGroup(r.Database, user, sourceFaceGroupID)
if err != nil {
return nil, err
}
updateError := r.Database.Transaction(func(tx *gorm.DB) error {
if err := tx.Model(&models.ImageFace{}).Where("face_group_id = ?", sourceFaceGroup.ID).Update("face_group_id", destinationFaceGroup.ID).Error; err != nil {
return err
}
if err := tx.Delete(&sourceFaceGroup).Error; err != nil {
return err
}
return nil
})
if updateError != nil {
return nil, updateError
}
face_detection.GlobalFaceDetector.MergeCategories(int32(sourceFaceGroupID), int32(destinationFaceGroupID))
return destinationFaceGroup, nil
}
func (r *mutationResolver) MoveImageFaces(ctx context.Context, imageFaceIDs []int, destinationFaceGroupID int) (*models.FaceGroup, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
userOwnedImageFaceIDs := make([]int, 0)
var destFaceGroup *models.FaceGroup
transErr := r.Database.Transaction(func(tx *gorm.DB) error {
var err error
destFaceGroup, err = userOwnedFaceGroup(tx, user, destinationFaceGroupID)
if err != nil {
return err
}
userOwnedImageFaces, err := getUserOwnedImageFaces(tx, user, imageFaceIDs)
if err != nil {
return err
}
for _, imageFace := range userOwnedImageFaces {
userOwnedImageFaceIDs = append(userOwnedImageFaceIDs, imageFace.ID)
}
var sourceFaceGroups []*models.FaceGroup
if err := tx.
Joins("LEFT JOIN image_faces ON image_faces.face_group_id = face_groups.id").
Where("image_faces.id IN (?)", userOwnedImageFaceIDs).
Find(&sourceFaceGroups).Error; err != nil {
return err
}
if err := tx.
Model(&models.ImageFace{}).
Where("id IN (?)", userOwnedImageFaceIDs).
Update("face_group_id", destFaceGroup.ID).Error; err != nil {
return err
}
// delete face groups if they have become empty
for _, faceGroup := range sourceFaceGroups {
var count int64
if err := tx.Model(&models.ImageFace{}).Where("face_group_id = ?", faceGroup.ID).Count(&count).Error; err != nil {
return err
}
if count == 0 {
if err := tx.Delete(&faceGroup).Error; err != nil {
return err
}
}
}
return nil
})
if transErr != nil {
return nil, transErr
}
face_detection.GlobalFaceDetector.MergeImageFaces(userOwnedImageFaceIDs, int32(destFaceGroup.ID))
return destFaceGroup, nil
}
func (r *mutationResolver) RecognizeUnlabeledFaces(ctx context.Context) ([]*models.ImageFace, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
var updatedImageFaces []*models.ImageFace
transactionError := r.Database.Transaction(func(tx *gorm.DB) error {
var err error
updatedImageFaces, err = face_detection.GlobalFaceDetector.RecognizeUnlabeledFaces(tx, user)
return err
})
if transactionError != nil {
return nil, transactionError
}
return updatedImageFaces, nil
}
func (r *mutationResolver) DetachImageFaces(ctx context.Context, imageFaceIDs []int) (*models.FaceGroup, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, errors.New("unauthorized")
}
if face_detection.GlobalFaceDetector == nil {
return nil, errors.New("face detector not initialized")
}
userOwnedImageFaceIDs := make([]int, 0)
newFaceGroup := models.FaceGroup{}
transactionError := r.Database.Transaction(func(tx *gorm.DB) error {
userOwnedImageFaces, err := getUserOwnedImageFaces(tx, user, imageFaceIDs)
if err != nil {
return err
}
for _, imageFace := range userOwnedImageFaces {
userOwnedImageFaceIDs = append(userOwnedImageFaceIDs, imageFace.ID)
}
if err := tx.Save(&newFaceGroup).Error; err != nil {
return err
}
if err := tx.
Model(&models.ImageFace{}).
Where("id IN (?)", userOwnedImageFaceIDs).
Update("face_group_id", newFaceGroup.ID).Error; err != nil {
return err
}
return nil
})
if transactionError != nil {
return nil, transactionError
}
face_detection.GlobalFaceDetector.MergeImageFaces(userOwnedImageFaceIDs, int32(newFaceGroup.ID))
return &newFaceGroup, nil
}
func userOwnedFaceGroup(db *gorm.DB, user *models.User, faceGroupID int) (*models.FaceGroup, error) {
if user.Admin {
var faceGroup models.FaceGroup
if err := db.Where("id = ?", faceGroupID).Find(&faceGroup).Error; err != nil {
return nil, err
}
return &faceGroup, nil
}
if err := user.FillAlbums(db); err != nil {
return nil, err
}
userAlbumIDs := make([]int, len(user.Albums))
for i, album := range user.Albums {
userAlbumIDs[i] = album.ID
}
// Verify that user owns at leat one of the images in the face group
imageFaceQuery := db.
Select("image_faces.id").
Table("image_faces").
Joins("JOIN media ON media.id = image_faces.media_id").
Where("media.album_id IN (?)", userAlbumIDs)
faceGroupQuery := db.
Model(&models.FaceGroup{}).
Joins("JOIN image_faces ON face_groups.id = image_faces.face_group_id").
Where("face_groups.id = ?", faceGroupID).
Where("image_faces.id IN (?)", imageFaceQuery)
var faceGroup models.FaceGroup
if err := faceGroupQuery.Find(&faceGroup).Error; err != nil {
if err == gorm.ErrRecordNotFound {
return nil, errors.Wrap(err, "face group does not exist or is not owned by the user")
}
return nil, err
}
return &faceGroup, nil
}
func getUserOwnedImageFaces(tx *gorm.DB, user *models.User, imageFaceIDs []int) ([]*models.ImageFace, error) {
if err := user.FillAlbums(tx); err != nil {
return nil, err
}
userAlbumIDs := make([]int, len(user.Albums))
for i, album := range user.Albums {
userAlbumIDs[i] = album.ID
}
var userOwnedImageFaces []*models.ImageFace
if err := tx.
Joins("JOIN media ON media.id = image_faces.media_id").
Where("media.album_id IN (?)", userAlbumIDs).
Where("image_faces.id IN (?)", imageFaceIDs).
Find(&userOwnedImageFaces).Error; err != nil {
return nil, err
}
return userOwnedImageFaces, nil
}