Because the upduser is the same, it doesn't think that the object has really
changed, so doesn't update the timestamps.
We had a similar problem where we needed to update the timestamps on the root
object of a tree whenever anything in the tree changed. I ended up implementing
a touch method on the object, and called that in a before_save hook.
def touch
orig_title = self.title
self.title = ' '
self.title = orig_title
self.save
end
def after_save_hook
root.touch
true
end
the edge rails code looks much nicer, but it will be a while before we can move
to newer rails.
Simon
On Wed, 29 Apr 2009 10:23:03 +0800, Carlos Santana
<[email protected]> wrote:
>
> It uses singular objects. I am sorry I typed it wrongly over here.
>
> I tried to debug it using console. My observation was if:
> @photo.album.upduser = @currentuser is same as previous user then
> timestamps are not getting changes. However, @photo.album.save works and
> returns true.
>
> Any clues?
>
> Thanks,
> CS.
>
> Chris Hanks wrote:
>> Well, the updated_at timestamp for the album should update automatically
>> to the current time whenever the album model is changed and saved, so if
>> you're trying to do that then you don't need to use touching.
>>
>> I'm confused at how your app is set up - if album has_many photos and
>> photo belongs_to album, then shouldn't your photo saving method use
>> singular objects? As in:
>>
>> @photo.album.updated_by = @currentusername
>> @photo.album.save
>>
>> That is, assuming you've defined "updated_by" in your migration as a
>> string to save the name of the current user - I think that's what you're
>> going for.
>>
>> What I would do next is put debugger right between those two lines, then
>> call the save as a bang method (@photo.album.save!) and see what error
>> you get (if any).
>>
>> Chris
>>
>
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