Ruby On Rails Nested Controllers: create model trouble

Question

I have nested controller Reviews under Users, both generated by scaffold generator; view/index actions works well, but when I'm trying to create model (/users/1/reviews/new) there is an error

No route matches {:controller=>"reviews", :user_id=>#<Review id: nil, user_id: nil, reviewer_id: nil, predisposition: nil, description: nil, created_at: nil, updated_at: nil>}

I've tryed to change form_for @review to form_for user_reviews_path(@review), but there is the same error on create action.

How can I fix this trouble?

Also I'd be grateful if you suggest me book about Ruby On Rails recipes (I've read ROR recipes from pragmatic, but it is too simple).

Amir Rubin · Accepted Answer · 2012-06-26 20:57:55Z

2

In your controller:

@user = User.find params[:id]
@review = @user.reviews.build(<enter your initialization params here>)

In your view:

=form_for [@user, @review] do |f|

I would start with the excellent http://ruby.railstutorial.org/ and of course http://railscasts.com

answered Jun 26, 2012 at 20:57

Amir Rubin

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2 Comments

Mark Pegasov Over a year ago

One more trouble, in index action when there are any record is Routing Error, trouble becomes from %td= link_to 'Edit', edit_user_review_path(review). What is wrong? Routes looks like resources :users do resources :reviews end Thanks.

Amir Rubin Over a year ago

When you are editing an existing nested resource, you need to tell the router about both the object and its parent - in this case the user and the review. So you need: edit_user_review_path(user, review)

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