On Oct 20, 12:12 am, David Lee <[email protected]> wrote:
> > Because of the way the internals work, this wouldn't be easy to do
> > cleanly. Can you give me an example of an after_update hook you are
> > using that you would want to be run regardless?
>
> One simple example would be to save assocations:
>
> class User
> one_to_many :pictures
>
> def pictures=(imgs)
> @imgs = imgs
> end
>
> def after_save
> save_pictures_with_user_id(id)
> end
> end
>
> user = User.create(:name => 'Bob', :pictures => imgs) # works
> user.update(:name => 'Bob', :pictures => other_imgs) # does not work
> user.update(:name => 'Sally', :pictures => other_imgs) # works
>
> User[123].update(:name => 'Bob', :pictures => imgs) # works if user
> name was not Bob
> User[456].update(:name => 'Bob', :pictures => imgs) # does not work
> if user name was Bob
In that case, I'd do:
def modified?
super || @imgs
end
Actually, maybe there should be a Model#modified! method that modified
considers, usable like:
def pictures=(imgs)
@imgs = imgs
modified!
end
If you call modified!, the record is considered modified until the
next time it is saved (so update and save_changes will attempt to save
the record). Do you think that would make sense?
Jeremy
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