在 Devise 中使用嵌套属性时出现批量分配警告
我在嵌套属性和设计方面遇到问题。与类似的问题如何将嵌套属性与设计模型。 据我所知,我已经按照此处的建议设置了所有内容: 覆盖设备注册控制器
我已经设置了用户和订阅的关联,我有“accepts_nested_attributes_for”,并在 attr_accessible
中包含了 :subscriptions_attributes
,但我收到了来自 Devise 控制器的警告。
class User < ActiveRecord::Base
devise :database_authenticatable, :registerable,:recoverable, :rememberable, :trackable, :validatable
validates_presence_of :first_name, :last_name
has_many :subscriptions
accepts_nested_attributes_for :subscriptions
attr_accessible :first_name, :last_name, :email, :password, :password_confirmation, :remember_me, :subscriptions_attributes
...
end
--
class Subscription < ActiveRecord::Base
belongs_to :user
validates_presence_of :user_id, :chargify_subscription_id, :chargify_product_handle
attr_accessible :user_id, :chargify_subscription_id, :chargify_product_handle
...
end
devise/registrations/new.html.erb :
<%= form_for(resource, :as => resource_name, :url => registration_path(resource_name)) do |f| %>
<%= devise_error_messages! %>
<p><%= f.label :first_name %><br />
<%= f.text_field :first_name %></p>
...
<%= f.fields_for :subscription do |s| %>
<p><%= s.label :chargify_subscription_id %><br />
<%= s.text_field :chargify_subscription_id %></p>
...
我收到以下警告:
Started POST "/users" for 127.0.0.1 at Sat May 14 12:38:49 -0700 2011
Processing by Devise::RegistrationsController#create as HTML
Parameters: {"commit"=>"Sign up", "authenticity_token"=>"wNZhZgIhYm9CpZfhvDiRBqaJseoO8QvR0Mk9VIybhcI=", "utf8"=>"✓", "user"=>{"password_confirmation"=>"[FILTERED]", "last_name"=>"9", "subscription"=>{"chargify_product_handle"=>"medium", "chargify_subscription_id"=>"123"}, "password"=>"[FILTERED]", "first_name"=>"9", "email"=>"99@99. com"}}
WARNING: Can't mass-assign protected attributes: subscription
我尝试在 attr_accessible
中使用 subscription_attributes
(单数),但事实并非如此工作。
对我可能做错的事情有什么建议吗? 谢谢。
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由于您的用户和订阅模型之间存在 has_many 关联,因此我相信您需要指定
fields_for :subscriptions
而不是fields_for :subscription
。然后,将使用 subscriptions_attributes 参数传递 fields_for 范围内的属性,该参数应该可以工作,因为您有
attr_accessible :subscriptions_attributes
。有关嵌套 has_many 关联形式的更多示例,请查看 Rails 文档。
Since you have a has_many association between your User and Subscription model, I believe you need to specify
fields_for :subscriptions
rather thanfields_for :subscription
.The attributes within the fields_for scope will then be passed using the subscriptions_attributes parameter, which should work since you have
attr_accessible :subscriptions_attributes
.For more examples of nested has_many association forms, check out the 'Nested Attributes Examples' section (one-to-many) of the Rails documentation.