Re: Feature Request: Track habtm changes

Gabriel Sobrinho
Thu, 22 Aug 2013 16:17:07 -0000

Not sure about how it will impact the application but this is the first
shot: https://gist.github.com/sobrinho/6309391

On Thursday, August 22, 2013 12:56:27 PM UTC-3, Gabriel Sobrinho
wrote:
>
> Hey guys,
>
> What do you think about tracking habtm changes?
>
> Apparently we can''t do that because when you change a habtm
association it
> is changed immediately on database instead of waiting the save call (not
> sure why and the problem may not be because of that).
>
> Current behaviour:
>
> profile.roles_ids
> => []
>
> profile.update_attributes(:name => nil, :roles_ids => [...])
> => false
>
> profile.changes
> { "name" => [''Admin'', nil] }
>
>
>
> Expected behaviour:
>
> profile.roles_ids
> => []
>
> profile.update_attributes(:name => nil, :roles_ids => [...])
> => false
>
> profile.changes
> { "name" => [''Admin'', nil], :roles_ids =>
[[], [...]] }
>
>
>
>
> Giving some problem context, I have an application that need to audit
> almost every change and I can track everything using the changes method but
> habtm changes.
>
> We can write a solution like storing the initial state of roles_ids in an
> after_initialize callback on the model and comparing it on a after_save but
> I was thinking in a more "native" solution.
>
>
> What do you think?
>