Re: Standard mechanism for telling why a record hasn't been deleted?

I hadn't noticed the onError callback. This is perfect in this case
indeed. Thanks for the pointer.

Regarding the broken MVC architecture, you're absolutely right. My
solution was a bit quick and dirty, and I probably shouldn't have
posted it as a good example.

But I will definitly keep getting the error message from the database,
translating it in the Model layer and putting it in the
validationErrors variable. It allows to prevent writing a function for
each potential error case, such as hasDependentRecords() or whatever.

nIcO

On 3 nov, 09:27, AD7six <andydawso...@gmail.com> wrote:
> On Nov 3, 9:02 am, alaxos <ala...@gmail.com> wrote:
>
> > Yes, but the point for me is that this solution needs really less
> > code. Once you have modified the AppModel and the layout, it works for
> > every controller and every action, without adding code in controllers.
>
> and you can't turn it off.
>
> Btw there's an onError callback which is in part for handling this
> sort of thing.
>
>
>
> > But it is a matter of choice... :-)
>
> If you want something like that where's the hardship in using your app
> controller beforeRender to look for the errors and set flash messages
> appropriately or whatever display logic you choose. Mixing MVC to save
> a line of code isn't going to save you anything the first time
> someone, probably someone else,  looks at your code and  can't see
> where or how these db errors they want to hide/modify/whatever are
> coming from.
>
> On the plus side, at least you used validation errors which is
> contextually more relevant than creating a new variable for storing
> your delete-only errors IMO.
>
> AD

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