Method Transfer

models/relationship.go:138–183

(bookId, founderId, receiveId int)

}

func (m *Relationship) Transfer(bookId, founderId, receiveId int) error {
	o := orm.NewOrm()

	founder := NewRelationship()

	err := o.QueryTable(m.TableNameWithPrefix()).Filter("book_id", bookId).Filter("member_id", founderId).One(founder)

	if err != nil {
		return err
	}
	if founder.RoleId != conf.BookFounder {
		return errors.New("转让者不是创始人")
	}
	receive := NewRelationship()

	err = o.QueryTable(m.TableNameWithPrefix()).Filter("book_id", bookId).Filter("member_id", receiveId).One(receive)

	if err != orm.ErrNoRows && err != nil {
		return err
	}
	o.Begin()

	founder.RoleId = conf.BookAdmin

	receive.MemberId = receiveId
	receive.RoleId = conf.BookFounder
	receive.BookId = bookId

	if err := founder.Update(); err != nil {
		o.Rollback()
		return err
	}
	if receive.RelationshipId > 0 {
		if _, err := o.Update(receive); err != nil {
			o.Rollback()
			return err
		}
	} else {
		if _, err := o.Insert(receive); err != nil {
			o.Rollback()
			return err
		}
	}

	return o.Commit()
}

// HasRelatedBook 查询用户是否有相关联的书籍
func (m *Relationship) HasRelatedBook(uid int) bool {