Another option I thought about -
revert_changes will return the model before the changes but without
changing the object
revert_changes! will revert the changes on the object itself and return it
On Saturday, August 17, 2013 1:00:11 PM UTC+3, Adam Klein wrote:
>
> Hi,
> I've encountered a need to see the model's state before all the changes
> that were made to it.
> I fantasized on something like this:
> "model.was"
> or
> "model.before_changes"
>
> Also, I would like to have an option to revert all changes without
> reloading from DB. Something like:
> "model.revert_changes"
>
> I want to make a pull request with the following solution:
> def was
> result = self.dup.tap { |model| model.id <http://o.id/> = self.id }
> self.changes.each {|attr, values| result[attr] = values[0]}
> result
> end
>
> def revert_changes
> self.changes.each {|attr, values| self[attr] = values[0]}
> end
>
> Any thoughts on the subject?
>
> - Regards,
> -- Adam Klein
> --- 500tech.com
>
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