Ruby on Rails Inherited_resources multiple belongs_to

Question

我有一个comments_controller，它使用inherited_resources来处理此模型：Comment (belongs_to Shop and belongs_to User)和Shop (belongs_to User)。 Rails 4.1.1和Inherited_resources v是1.5.0。

航线有：

resources :shop do 
    resources :comments, only: [:create, :destroy] 
end 

但是，下面的代码无法正常工作：

class CommentsController < InheritedResources::Base 
    before_filter :authenticate_user! 
    nested_belongs_to :user, :shop 
    actions :create, :destroy 

    def create 
    @comment = build_resource 
    @comment.shop = Shop.find(params[:hotel_id]) 
    @comment.user = current_user 

    create! 
    end 

    def destroy 
    @hotel = Shop.find(params[:hotel_id]) 
    @comment = Comment.find(params[:id]) 
    @comment.user = current_user 

    destroy! 
    end 

private 

    def permitted_params 
    params.permit(:comment => [:content]) 
    end 

Rspec的意见是测试创建/删除告诉我Couldn't find User without an ID。

感谢您的任何帮助。

UPD一个失败的测试：

let(:user) { FactoryGirl.create(:user) } 
    let(:shop) { FactoryGirl.create(:shop, user: user) } 

    describe "comment creation" do 
    before { visit shop_path(shop) } 

    describe "with invalid information" do 
     it "should not create a comment" do  
     expect { click_button "Post a comment" }.not_to change(Comment, :count) 
     end 
    end 

Answer 1

从你的路由，它看起来像你想处理Comments属于Shop。在这种情况下，您不需要nested_belongs_to，而是在您的控制器中将其更改为belongs_to :shop，并且会处理它。并分别添加另一行belongs_to :user。

所以，你的控制器将是这样的：

class CommentsController < InheritedResources::Base 
    before_filter :authenticate_user! 
    belongs_to :shop 
    belongs_to :user 
    actions :create, :destroy 

    . 
    . 
    . 
end