Re: saving to habtm models from checkbox groups.

On Sat, Jan 3, 2009 at 9:41 PM, mike <mwu153@gmail.com> wrote:
>
> ...
>
> here is what I have in the view, which I don't think is correct:
>
> <? echo $form->create('User', array('action'=>'add')); ?>
> <? echo $form->input('User.Ethnicity', array( 'type' => 'select',
> 'multiple' => 'checkbox' ),$ethnicities); ?>

My bad. I forgot to mention the weird naming convention needed for HABTM:

<? echo $form->input('Ethnicity.Ethnicity', array( 'type' => 'select',
'multiple' => 'checkbox' ),$ethnicities); ?>

No, I don't understand why.

> form the research I've done, I feel like the input fieldname should be
> 'User.Ethnicity. .id' or something like that. However, anytime I add
> the 'id' into the fieldname, the checkboxes don't get created in the
> html anymore. here's how $ethnicities is populated in the controller,
> if that matters:
>
> $this->set('ethnicities',$this->Ethnicity->find('list', array('fields'
> => array('id','ethnicityName'))));

The only thing I see odd about that is it should be

$this->User->Ethnicity->find(...

It's the model, not the controller, that "has" the other model. Unless
you've loaded the Ethnicity model in the controller (which likely
isn't necessary).

>
> the result right now is this:
>
> [data] => Array
> (
> [User] => Array
> (
> [Ethnicity] => Array
> (
> [0] => 1
> [1] => 3
> [user_id] => 34
> )
>
> [age] => 50
> [about_me] => sadfadfs
> )
>
> )
>
> but my understanding is I need something like this:
> [data] => Array
> (
> [User] => Array
> (
> [Ethnicity] => Array
> (
> [ethnicity_id] => 1
> [user_id] => 34,
>
> [ethnicity_id] => 2
> [user_id] => 34
> )
>
> [age] => 50
> [about_me] => sadfadfs
> )
>
> )

It should look like this when it reaches your controller:

[data] => Array
(
[User] => Array
(
[age] => 50
[about_me] => sadfadfs
),
[Ethnicity] => Array
(
[0] => 1
[1] => 3
)
)

Note there's only 1 'Ethnicity' key, in spite of the $form param. Go figure.

> I've been trying different stuff in the controller, this is what I
> have now:
> function add() {
> $this->User->create();
> if(!empty($this->data)) {
> if($this->User->save($this->data)) {
> $this->data['User']['Ethnicity']['user_id'] = $this->User-
>>getLastInsertId();
> $this->User->Ethnicity->save($this->data);
> $this->Session->setFlash("User Saved!");
> }
> }
> }

Once the data is coming in properly, you should only need:

function add()
{
if (!empty($this->data))
{
if ($this->User->save($this->data))
{
$this->Session->setFlash("User Saved!");
}
}

$this->set(
'ethnicities',
$this->User->Ethnicity->find(
'list',
array(
'fields' => array(
'id','ethnicityName'
)
)
)
);
}

yahoo, eh ;-)

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