fields_for about bootstrap_form

[carloslopes]

@galulex where is this in the bootstrap docs?

Show me and i will take a look to implement it.

[potenza]

@carloslopes Until this past week, I had never used fields_for in any of my projects with this Gem. However, this week I used it for a nested association and ran into an problem that took me a while to figure out. I'm wondering if @galulex ran into the same issue. Here it is:

Say you have a user with a has_one association with an address model. If you do this:

bootstrap_form_for(@user) do |f|
  f.fields_for :address do |af|
    af.text_field(:street)
  end
end

AND you don't have accepts_nested_attributes_for :address set on the user model, you'll get an exception that looks something like this:

NoMethodError: You have a nil object when you didn't expect it!
You might have expected an instance of ActiveRecord::Base.
The error occurred while evaluating nil.errors
    /Users/potenza/Sites/bootstrap_form/lib/bootstrap_form/form_builder.rb:69:in `control_group'
    /Users/potenza/Sites/bootstrap_form/lib/bootstrap_form/form_builder.rb:24:in `block (2 levels) in <class:FormBuilder>'
...

I'll commit a test case for this functionality shortly...

[carloslopes]

lol, i forgot the rails' fields_for helper and i was thinking that it was something of the bootstrap framework 😜

@potenza why did you use form_for on the test case? I updated the it to use bootstrap_form_for instead.

[potenza]

@carloslopes Oops! Stupid cut and paste error on my part. Thanks for catching that 😄

[potenza]

@galulex I'm gonna close this issue for now, but please let us know if you're running into a different issue with fields_for.

[galulex]

Thanks guys. Well done