Ruby on Rails

> On Feb 15, 2016, at 12:28 PM, Szabolcs Toth <lists@ruby-forum.com> wrote:
>
> I have completely lost with this simple problem. I have two model, Post
> and Comment. I added the one-to_many associations. When I want to add a
> comment to a certain post I use this:
>
> <%= link_to 'Add comment', new_comment_path(id: post.id) %>
>
> In the comments_controller.rb I have
> def create
> @comment = Comment.new(comment_params)
> @comment.post_id = params[:id]
>
> But it doesn't work, what did I miss? Thank you!
>

If you're sending this to the comments controller, then set the post_id attribute in that form. id always refers to the object of the form (in this case the comment) rather than the parent.

Walter

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