[英]How to modify dependent: :destroy in rails
If I have two models, Model1
and Model2
as follows 如果我有两个模型,则Model1
和Model2
如下
class Model1 < ActiveRecord::Base
has_many :model2s, dependent: :destroy
end
and 和
class Model2 < ActiveRecord::Base
belongs :model1
end
I want to increase the destroy capability when I destroy a record in Model1
. 我想在销毁Model1
的记录时提高销毁能力。 As well as the dependent records, I want to destroy Model2
records that meet an attribute test as well. 除了相关记录之外,我还想销毁同时满足属性测试的Model2
记录。 How can this be done? 如何才能做到这一点?
You can use Active Record Callbacks to solve your problem. 您可以使用Active Record回调来解决您的问题。 after_destroy
may help you. after_destroy
可能会对您有所帮助。
class Model1 < ActiveRecord::Base
has_many :model2s, dependent: :destroy
after_destroy :increase_the_destroy_capability
private
def increase_the_destroy_capability
# do some thing
end
end
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