photoprism/internal/query/file.go
Michael Mayer 122e4730a3 Select primary file for grouped photos
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-04-21 10:23:27 +02:00

57 lines
1.9 KiB
Go

package query
import (
"github.com/photoprism/photoprism/internal/entity"
)
// Files finds files returning maximum results defined by limit
// and finding them from an offest defined by offset.
func (q *Query) Files(limit int, offset int) (files []entity.File, err error) {
if err := q.db.Where(&entity.File{}).Limit(limit).Offset(offset).Find(&files).Error; err != nil {
return files, err
}
return files, nil
}
// FilesByUUID
func (q *Query) FilesByUUID(u []string, limit int, offset int) (files []entity.File, err error) {
if err := q.db.Where("(photo_uuid IN (?) AND file_primary = 1) OR file_uuid IN (?)", u, u).Preload("Photo").Limit(limit).Offset(offset).Find(&files).Error; err != nil {
return files, err
}
return files, nil
}
// FileByPhotoUUID
func (q *Query) FileByPhotoUUID(u string) (file entity.File, err error) {
if err := q.db.Where("photo_uuid = ? AND file_primary = 1", u).Preload("Links").Preload("Photo").First(&file).Error; err != nil {
return file, err
}
return file, nil
}
// FileByUUID returns the file entity for a given UUID.
func (q *Query) FileByUUID(uuid string) (file entity.File, err error) {
if err := q.db.Where("file_uuid = ?", uuid).Preload("Links").Preload("Photo").First(&file).Error; err != nil {
return file, err
}
return file, nil
}
// FirstFileByHash finds a file with a given hash string.
func (q *Query) FileByHash(fileHash string) (file entity.File, err error) {
if err := q.db.Where("file_hash = ?", fileHash).Preload("Links").Preload("Photo").First(&file).Error; err != nil {
return file, err
}
return file, nil
}
// SetPhotoPrimary sets a new primary image file for a photo.
func (q *Query) SetPhotoPrimary(photoUUID, fileUUID string) error {
q.db.Model(entity.File{}).Where("photo_uuid = ? AND file_uuid <> ?", photoUUID, fileUUID).UpdateColumn("file_primary", false)
return q.db.Model(entity.File{}).Where("photo_uuid = ? AND file_uuid = ?", photoUUID, fileUUID).UpdateColumn("file_primary", true).Error
}