[英]How Can I permit nested attributes with active model serializer?
我正在使用Rails中的api中的api中的active_model_serializers ,我有一个控制器方法,其中通过一些计算保存了发票及其嵌套项目,问题是在包括序列化程序之后,嵌套属性受到限制,我可以不能访问他们。
根据一些文档,我以这种方式获得了代码,但是它不起作用
#Controller
def invoice_params
params.require(:invoice).permit(:person_id, :date, sales_attributes: [:reference_id, :quantity, :price])
end
#Model
class Invoice < ApplicationRecord
belongs_to :person
has_many :sales
accepts_nested_attributes_for :sales, allow_destroy: true
end
#Serializer
class InvoiceSerializer < ActiveModel::Serializer
attributes :id, :date, :total, :profit, :consecutive, :person_id
has_many :sales, root: :sales_attributes
belongs_to :person
end
我要发送的json请求是:
{
"person_id": 4,
"date": "2019-03-20",
"sales": [
{
"reference_id":1,
"quantity": 90000,
"price": 240
},
{
"reference_id":1,
"quantity": 50000,
"price": 240
}
]
}
有人知道会发生什么吗?,在加入序列化器gem之前,它工作正常。
提前致谢!
更改
def invoice_params
params.require(:invoice).permit(:person_id, :date, sales_attributes: [:reference_id, :quantity, :price])
end
至
def invoice_params
params.require(:invoice).permit(:person_id, :date, sales_attributes: [:id, :reference_id, :quantity, :price])
end
和
{
"person_id": 4,
"date": "2019-03-20",
"sales": [
{
"reference_id":1,
"quantity": 90000,
"price": 240
},
{
"reference_id":1,
"quantity": 50000,
"price": 240
}
]
}
至
{
"person_id": 4,
"date": "2019-03-20",
"sales_attributes": [
{
"reference_id":1,
"quantity": 90000,
"price": 240
},
{
"reference_id":1,
"quantity": 50000,
"price": 240
}
]
}
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