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use strong_params in example

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This commit is contained in:
Mikhail Dieterle 2013-07-19 10:54:24 +03:00
parent bae07dcce2
commit 760662de86
1 changed files with 6 additions and 1 deletions
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7
guides/source/engines.md
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@ -393,10 +393,15 @@ The form will be making a `POST` request to `/posts/:post_id/comments`, which wi
```ruby
def create
@post = Post.find(params[:post_id])
@comment = @post.comments.create(params[:comment])
@comment = @post.comments.create(comment_params)
flash[:notice] = "Comment has been created!"
redirect_to posts_path
end
private
def comment_params
params.require(:comment).permit(:text)
end
```
This is the final part required to get the new comment form working. Displaying the comments however, is not quite right yet. If you were to create a comment right now you would see this error: