_destroy doesn't work

[phlegx]

Hi!

Good work Ryan!!! But something goes wrong in my project. I cannot destroy an image (I use carrierwave). If I click on "remove" the _destroy input tag is set to "1" but the image remains on save. Have you an idea? I have added "accepts_nested_attributes_for :assets, :allow_destroy => true" to the asset model and the other code is ok.

I use:

Rails 3.0.3
Ruby 1.9.2

Bye

[ryanb]

That's strange, I'm not sure what the issue could be. Do you have attr_accessible in the image model? You can try adding _destroy there but you shouldn't have to.

You can check out the nested_form branch of the complex-form-example project for a working example.
https://github.com/ryanb/complex-form-examples/tree/nested_form

[phlegx]

How can I debug "the model" to find the problem? I use the following in the parent model:

attr_accessible ..., :avatars_attributes

has_many :avatars, :as => :avatarable, :dependent => :destroy   
accepts_nested_attributes_for :avatars, :allow_destroy => true

[SOLVED] Problem solved. I have moved the code above to the superclass. If the code is in the subclass model than the destroy doesn't work!

[ryanb]

Glad you got it solved, that's a strange bug but thank you for reporting.

[cmezak]

It might be good to mention in the readme the need for :allow_destroy => true in the accepts_nested_attributes_for call.

[ryanb]

Good point. I'll reopen this for that readme addition.

[tralles]

i had the same problem in rails 3.1.0.rc8 - but to add :allow_destroy => true does the trick - also today in rails 3.1 …
thanks for this gem :)

[derekprior]

See pull request 88 for the readme update.

[lest]

#88 was merged. Thanks!