diff options
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/getting_started.textile | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/guides/source/getting_started.textile b/guides/source/getting_started.textile index c33e92c547..0d247d6299 100644 --- a/guides/source/getting_started.textile +++ b/guides/source/getting_started.textile @@ -685,15 +685,9 @@ format, and the existence of associated objects. Validations are covered in deta in "Active Record Validations and Callbacks":active_record_validations_callbacks.html#validations-overview -If you open +posts_controller+ again, you'll notice that we don't check -the result of calling +@post.save+. We need to change its behavior to -show the form back to the user if any error occur: +With the validation now in place, when you call +@post.save+ on an invalid post, it will return +false+. If you open +app/controllers/posts_controller.rb+ again, you'll notice that we don't check the result of calling +@post.save+ inside the +create+ action. If +@post.save+ fails in this situation, we need to show the form back to the user. To do this, change the +create+ action inside +app/controllers/posts_controller.rb+ to this: <ruby> -def new - @post = Post.new -end - def create @post = Post.new(params[:post]) @@ -705,13 +699,8 @@ def create end </ruby> -Notice that I've also added +@post = Post.new+ to the +new+ action. I'll -explain why I did that in the next section, for now add that to your -controller as well. - -Also notice that we use +render+ instead of +redirect_to+ when +save+ -returns false. We can use +render+ so that the +@post+ object is passed -back to the view. +Notice that we use +render+ instead of +redirect_to+ when +save+ +returns +false+. The +render+ method is used so that the +@post+ object is passed back to the +new+ template when it is rendered. This rendering is done within the same request as the form submission, whereas the +redirect_to+ will tell the browser to issue another request. If you reload "http://localhost:3000/posts/new":http://localhost:3000/posts/new and |