Library/models/publishers_add.go

package models

// AddOrUpdatePublisher adds or updates a publisher from a publisher struct
func AddOrUpdatePublisher(publisher Publisher) (newPublisher Publisher, err error) {
	if publisher.ID == 0 {
		if publisher.Name != "" { // Only insert it if the name is not empty
			_, err = x.Insert(&publisher)

			if err != nil {
				return Publisher{}, err
			}
		}
	} else {
		_, err = x.Where("id = ?", publisher.ID).Update(&publisher)

		if err != nil {
			return Publisher{}, err
		}
	}

	newPublisher, _, err = GetPublisherByID(publisher.ID)

	return newPublisher, err
}