package query import ( "github.com/photoprism/photoprism/internal/entity" ) // PhotoLabel returns a photo label entity if exists. func PhotoLabel(photoID, labelID uint) (label entity.PhotoLabel, err error) { if err := Db().Where("photo_id = ? AND label_id = ?", photoID, labelID).Preload("Photo").Preload("Label").First(&label).Error; err != nil { return label, err } return label, nil } // LabelBySlug returns a Label based on the slug name. func LabelBySlug(labelSlug string) (label entity.Label, err error) { if err := Db().Where("label_slug = ? OR custom_slug = ?", labelSlug, labelSlug).Preload("Links").First(&label).Error; err != nil { return label, err } return label, nil } // LabelByUID returns a Label based on the label UID. func LabelByUID(labelUID string) (label entity.Label, err error) { if err := Db().Where("label_uid = ?", labelUID).Preload("Links").First(&label).Error; err != nil { return label, err } return label, nil } // LabelThumbBySlug returns a label preview file based on the slug name. func LabelThumbBySlug(labelSlug string) (file entity.File, err error) { if err := Db().Where("files.file_primary AND files.deleted_at IS NULL"). Joins("JOIN labels ON labels.label_slug = ?", labelSlug). Joins("JOIN photos_labels ON photos_labels.label_id = labels.id AND photos_labels.photo_id = files.photo_id AND photos_labels.uncertainty < 100"). Joins("JOIN photos ON photos.id = files.photo_id AND photos.photo_private = 0 AND photos.deleted_at IS NULL"). Order("photos.photo_quality DESC, photos_labels.uncertainty ASC"). First(&file).Error; err != nil { return file, err } return file, nil } // LabelThumbByUID returns a label preview file based on the label UID. func LabelThumbByUID(labelUID string) (file entity.File, err error) { // Search matching label err = Db().Where("files.file_primary AND files.deleted_at IS NULL"). Joins("JOIN labels ON labels.label_uid = ?", labelUID). Joins("JOIN photos_labels ON photos_labels.label_id = labels.id AND photos_labels.photo_id = files.photo_id AND photos_labels.uncertainty < 100"). Joins("JOIN photos ON photos.id = files.photo_id AND photos.photo_private = 0 AND photos.deleted_at IS NULL"). Order("photos.photo_quality DESC, photos_labels.uncertainty ASC"). First(&file).Error if err == nil { return file, nil } // If failed, search for category instead err = Db().Where("files.file_primary AND files.deleted_at IS NULL"). Joins("JOIN photos_labels ON photos_labels.photo_id = files.photo_id AND photos_labels.uncertainty < 100"). Joins("JOIN categories c ON photos_labels.label_id = c.label_id"). Joins("JOIN labels ON c.category_id = labels.id AND labels.label_uid= ?", labelUID). Joins("JOIN photos ON photos.id = files.photo_id AND photos.photo_private = 0 AND photos.deleted_at IS NULL"). Order("photos.photo_quality DESC, photos_labels.uncertainty ASC"). First(&file).Error return file, err }