package entity import ( "time" "github.com/jinzhu/gorm" ) // Photos can be added to multiple albums type PhotoAlbum struct { PhotoUUID string `gorm:"primary_key;auto_increment:false"` AlbumUUID string `gorm:"primary_key;auto_increment:false;index"` Order int CreatedAt time.Time UpdatedAt time.Time Photo *Photo Album *Album } func (PhotoAlbum) TableName() string { return "photos_albums" } func NewPhotoAlbum(photoUUID, albumUUID string) *PhotoAlbum { result := &PhotoAlbum{ PhotoUUID: photoUUID, AlbumUUID: albumUUID, } return result } func (m *PhotoAlbum) FirstOrCreate(db *gorm.DB) *PhotoAlbum { db.FirstOrCreate(m, "photo_uuid = ? AND album_uuid = ?", m.PhotoUUID, m.AlbumUUID) return m }