Rescue is getting all exceptions, even PG::Error, in other case you wouldn't get the yellow message. Red message is flash[:error], and it's added when destroy fails to display the validation errors. I have fixed in master to display it only when there are some validation errors.
Also, you could add some checks to a before_destroy callback in the
model to avoid that PG::Error if you want. In the callback you can add
some error with self.errors.add :base, message and return false. Then
you won't get yellow message, only red one with your message.
El
30-01-2013 20:46, coalex escribió:
> I'm having a weird problem were
it looks like Activescaffold is displaying two error warnings when
postgresql throws a database error.(on destroy in this example.)
> I
posted a screenshot.
>
> The first error (yellow message) displays what
I expect to happen, where text from en.yml is displayed for the
cant_destroy_record in do_destroy.
>
> here:
>
> module
ActiveScaffold::Actions
> module Delete
> def do_destroy
>
destroy_find_record
> begin
> self.successful = @record.destroy
>
rescue
> flash[:warning] = as_(:CANT_DESTROY_RECORD, :record =>
@record.to_label)
> self.successful = false
> end
> end
>
> and in my
/config/locales/en.yml
> en:
> ...
> active_scaffold:
> ...
> #
error_messages
> cant_destroy_record: "%{record} can't be destroyed!
<<My Custom Message!>>"
>
> ---
> The second error (red bar) displays
under the first, contains no text and requires a click to close. Where
is that one coming from, how do I stop it from displaying?
>
> I
thought this might be a result of not handling the Pg::error so I tried
something like this in my application Controller.
>
> rescue_from
PG::Error do |exception|
> puts "foo"
> end
>
> Didn't help!
>
> At
this point I'm trying to figure out how to rescue a PG error without
activescaffold displaying two error bars.
> Thank you for any advice.
>
> env
> Rails 3.2.8
> Ruby 1.9.2
> pg 0.14.1
>
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<<attachment: 2_error_bars.jpg>>
