Adding to db without going to view..?

Hi, does anyone know how I can add (like a favourite to a db table)
without going to the add view?

I have a link
testsite/user_favourites/add/2

IF I click on it it, it takes me to the add view (which has a model
and controller)
I DON'T want to go to the add view, but the 'view' view which shows
the favourite that had just been added... here is the add controller
and view and model

////////////////////////////////////////////////////
controller /////////////////////////////////
function add() {
if (!empty($this->data)) {
$this->UserFavourite->create();
if ($this->UserFavourite->save($this->data)) {
$this->Session->setFlash(__('The UserFavourite has been saved',
true));
$this->redirect(array('action'=>'index'));
} else {
$this->Session->setFlash(__('The UserFavourite could not be saved.
Please, try again.', true));
}
}
$users = $this->UserFavourite->User->find('list');
$this->set(compact('users'));
}

////////////////////////////////////////////
model//////////////////////////////////////////////////
class UserFavourite extends AppModel {

var $name = 'UserFavourite';
var $validate = array(
'id' => array('numeric'),
'user_id' => array('numeric'),
'item_id' => array('numeric')
);

//The Associations below have been created with all possible keys,
those that are not needed can be removed
var $belongsTo = array(
'User' => array('className' => 'User',
'foreignKey' => 'user_id',
'conditions' => '',
'fields' => '',
'order' => ''
)
);

}
///////////////////////////////////////
view//////////////////////////////////////////////////////////////////
<div class="userFavourites form">
<?php echo $form->create('UserFavourite');?>
<fieldset>
<legend><?php __('Add UserFavourite');?></legend>
<?php
echo $form->input('user_id');
echo $form->input('item_id');
?>
</fieldset>
<?php echo $form->end('Submit');?>
</div>
<div class="actions">
<ul>
<li><?php echo $html->link(__('List UserFavourites', true),
array('action'=>'index'));?></li>
<li><?php echo $html->link(__('List Users', true),
array('controller'=> 'users', 'action'=>'index')); ?> </li>
<li><?php echo $html->link(__('New User', true),
array('controller'=> 'users', 'action'=>'add')); ?> </li>
</ul>
</div>
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