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

I have not try it but if you want to set instance of a Model, I think you should pass it as

$this->set('book', &$this->book)

In other words you should pass it by reference.

Regards
Hashim Ikram

On Thu, Oct 28, 2010 at 3:45 PM, Joshua Muheim <psybear83@gmail.com> wrote:

Thanks for your reply.

You mean I should stick the code above into my view (including the
App::import(...))? I agree with you, this would quite break the MVC
convention. But what speaks against using this code in the
controller...

$this->set('book', $this->Book);

and then just using the $book instance in the view like so?

<?php
 echo "Rent: ".$book->isRent();
?>

IMHO, this wouldn't break MVC, but still CakePHP doesn't suggest it,
as far as I can see. Why?

On Thu, Oct 28, 2010 at 12:36 PM, Hashim Ikram <l050294@gmail.com> wrote:
> 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
>>
>> Check out the new CakePHP Questions site http://cakeqs.org and help others
>> with their CakePHP related questions.
>>
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>
> Check out the new CakePHP Questions site http://cakeqs.org and help others
> with their CakePHP related questions.
>
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