2
我使用refile
,有兩個型號:如何複製Rails模型之間的Refile附件?
class UserApplication < ActiveRecord::Base
attachment :avatar
end
class User < ActiveRecord::Base
attachment :avatar
def from_application(application)
# ...
self.avatar = application.avatar
# ...
end
end
當我嘗試建立從UserApplication
一個User
,已與UserApplication
相關的avatar
附件不保存與User
。
如何將UserApplication#avatar
複製或附加到User
實例?