Re: Validate HABTM Multiple

Couldn't you write a custom validation rule in the Post model that examines the count of the Category key of the data array passed in?

Jeremy Burns
Class Outfit

jeremyburns@classoutfit.com
http://www.classoutfit.com

On 1 Apr 2011, at 01:18, Krissy Masters wrote:

> How can you validate the number of "multiple" selected?
>
> I have a Post which hasMany, and HABTM relations so saving with :
>
> if ( $this->Post->saveAll( $this->data, array('validate' => 'only') ) )
> {//only testing to get errors
>
> but I never get any validation errors for the HABTM model
>
> Category:
> public $validate = array(
>
> 'Category' => array(
> 'multiple' => array(
> 'required' => false,
> 'allowEmpty' => true,
> 'rule' => array(
> 'multiple', array('max' => 3),
> 'message' => 'Please select one, two or
> three options'))));
>
>
> Post HABTM Category
>
> Ideas?
>
> Thanks
>
> K
>
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