Günter,
I actually implemented the functionality in this pull request:
https://github.com/rails/rails/pull/17043 -- but have gotten no feedback at
all from the core team. If you'd check out the PR, run the tests, and
confirm the code looks good, it'd be helpful to comment that on the PR.
On Wed, Apr 15, 2015 at 11:01 PM, Günter Glück <guenter.glu...@gmail.com>
wrote:
> Hi James,
>
> you can use something like this to get nested params. But I guess you're
> right, it would be nice to have the nested hashes syntax working as
> expected.
>
> ... params: { 'some_model[attribute_name]' => 'the value' } ....
>
>
> Am Freitag, 12. September 2014 00:01:05 UTC+2 schrieb James Coleman:
>>
>> In this commit
>> <https://github.com/rails/rails/commit/e6e0579defcfcf94ef1c4c1c7659f374a5335cdb>
>> the
>> `params` option was added to the `button_to` helper. However, the patch
>> doesn't support nested hashes so `{a: {b: 'c'}}` for example gets turned
>> into a hidden form input with the name 'a' and the value being the string
>> representation of the `{b: 'c'}` nested hash.
>>
>> Since Rails supports nested hashes everywhere else (and even in the URL
>> params of link_to and button_to), I believe this to be a bug/unfinished
>> feature. Unless the other disagree with that assessment, I'm planning to
>> submit a patch to add the missing functionality.
>>
>> I had question though on implementation: I can't find any support in
>> Rails for turning a nested hash into a list of name/value pairs for form
>> inputs. `to_query` exists on Hash, of course, but it specifically escapes
>> the keys and joins the keys and values as fits a URI. In my patch I can
>> either write one-off code within the button_to helper to accomplish what I
>> need, or I can add a new Hash extension to ActiveSupport. What's the
>> best/expected way to go about tackling this issue?
>>
>> Thanks,
>> James
>>
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