Ah, I found it in the Form helper...
$form->input('Question.FunctionalArea')
I need to use the full dot-separated name of the field to get the form
field to be what the validation is expecting.
On Aug 10, 11:32 am, mcrawford <[email protected]> wrote:
> Hi,
>
> I have a model set up like this:
>
> class Question extends AppModel {
> var $name = 'Question';
> var $hasAndBelongsToMany = array(
> 'FunctionalArea' => array('joinTable' => 'question_functions')
> );
> var $validate = array(
> 'title' => 'notEmpty',
> 'content' => 'notEmpty',
> 'FunctionalArea' => array(
> 'rule' => array('multiple', array('min'=>1)),
> 'required' => true
> )
> );
>
> }
>
> Then in my form I set up an input with FunctionalArea as the field
> name, using Cake's form helper. This produces an input with name="data
> [FunctionalArea][FunctionalArea][]". Now if I save the form with NO
> validation, the vanilla $this->Question->save($this->data); works just
> fine. The join table is all correct after saving.
>
> But when I put in that validation for FunctionalArea that I have in
> the above code, the validation doesn't work correctly. The model's
> invalidFields method does this:
> if (isset($data[$this->alias])) {
> $data = $data[$this->alias];}
>
> So that the data in data[FunctionalArea][FunctionalArea] never gets to
> the validate method. So the validation always fails (because
> FunctionalArea is required).
>
> My question is: what is the correct Cake way to do this? I'm trying to
> use the automatic save feature, form fields, and the validation, but I
> don't see how I can use them together, because the validation seems to
> be ignoring the very place where the save needs the data.
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