I did a similar thing. Here's how:
public $hasOne = array(
'GalleryThumb' => array(
'className' => 'GalleryThumb',
'foreignKey' => 'gallery_id'
)
);
public $hasMany = array(
'Image' => array(
'order' => array('Image.sort_order' => 'ASC')
)
);
// I'm using SortableBehavior for both Image and Gallery
// called from index() action
public function fetchAll()
{
return $this->find(
'all',
array(
'order' => array('Gallery.sort_order' => 'ASC'),
'contain' => array(
'GalleryThumb' => array('Thumbnail'))
)
);
}
And I have an action that sets the Thumbnail to use for a given Gallery:
public function admin_thumbnail($id = null, $thumbnail_id = null)
{
if (empty($this->data) && (!$id || !$thumbnail_id))
{
$this->flash('Invalid request', array('action' =>
'index'));
}
$this->Gallery->setThumb($id, $thumbnail_id);
$this->flash(
'thumbnail set',
array('action' => 'edit', 'id' => $id)
);
}
model:
public function setThumb($id, $thumbnail_id)
{
$thumb = $this->GalleryThumb->find(
'first',
array(
'conditions' => array('gallery_id' => $id),
'recursive' => -1
)
);
$data = array(
'id' => $thumb['GalleryThumb']['id'],
'gallery_id' => $id,
'thumbnail_id' => $thumbnail_id
);
$this->GalleryThumb->save($data);
}
It'll be more complicated if your GalleryCover thumbnails are a
different size than the regular Thumbnails though.
On Tue, Nov 6, 2012 at 9:36 AM, metford <[email protected]> wrote:
> Models:
>
> Gallery hasMany Image
> Image belongsTo Gallery
>
> standard stuff.
>
> I am attempting to automatically create a "GalleryCover" for easy access
> when outputting each gallery. So I did this:
>
> // gallery model
> public $hasOne = array(
> 'GalleryCover' =>array(
> 'className' => 'Image',
> 'foreignKey' => 'gallery_id',
> 'dependent' => false,
> 'conditions' => '',
> 'fields' => '',
> 'limit' => '1',
> ),
> );
>
> which makes sense to me.
>
> I had then hoped to do:
>
> foreach($galleries as $gallery) {
> echo $gallery['GalleryCover']['image']; // the "cover" image for this
> gallery.
> }
>
> however Cake is outputting each gallery twice; presumably of the other
> assocations, so obviously something isn't right.
> I imagine this is just failing to understand hasOne and multiple
> associations properly.
>
> Some guidance would be appreciated, and if there's a better way to achieve
> this please point me in the right direction.
>
> Thank you
>
>
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