Re: Why only pass $data to view instead of model instance?

Hi Josh,
         It is better to use Model functions in controller according to MVC convention, but if you want to use model function in view you can use it in this way.
/* ------------------------------------------------------------- */
App::import('Model',array('Book'));
$bookObj = new Book();

$isRent = $bookObj->isRent();
/*-----------------------------------------------------------------------*/

hope it helps you but still I would say that as you are useing a MVC framework so you should get Data in controller and then pass it to view. But really sometimes we have mold or break the convention rules so choice is yours :)

Regards
Hashim Ikram

On Thu, Oct 28, 2010 at 3:10 PM, euromark <dereuromark@googlemail.com> wrote:

i agree that this would be handy at some point
but it helps to keep the layers separated
otherwise one would be tempted to read/write to the DB in the views

i usually use static model methods for this

/** static **/
function isRent($data) {
 return !empty($data[$this->alias]['rent_user_id']);
}

you can now call it anywhere (model, controller, behavior, view)
be sure you pass the data, though

PS: actually it has another upside. you can use it inside iterations
as well - like in foreach() loops in the view

On 28 Okt., 11:13, psybear83 <psybea...@gmail.com> wrote:
> Hi everybody
>
> Something I don't really like in CakePHP is that one seems to be
> always only working with the $data array instead of "real" model
> instances. I hate to name Ruby on Rails again, but in RoR, I normally
> pass a model instace to a view, and there I can do handy stuff like
> calling methods on that model etc.
>
> But in CakePHP it seems normal to only pass the $data of the model. So
> I can't call any methods on it.
>
> For example, I have a Medium (e.g. a book) model that can be rent. It
> has a method isRent():
>
> function isRent() {
>   return !empty($this->data['Medium']['rent_user_id']);
>
> }
>
> So when the rent_user_id is empty, the medium is rent to that user.
>
> It would be really handy to use this method also in a view, but it
> seems I can't. Is the only solution to set another parameter for the
> view, like so?
>
> $this->set('isRent', $model->isRent());
>
> Thanks for help
> Josh

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