Re: DavidPersson Media plugin HABTM

Hi Biusso,

That looks like a little more complex setup you're heading for.
Remember that the Attachment model which comes with the plugin is just
a suggestion for one specific setup of media tables (a monolithic/
polymorphic one). Try to remove the Polymorphic behavior from the
model (you can than drop the "model" and "foreign_key" fields of the
attachments table, too). I've personally never used the behaviors with
a HABTM setup, so there might be some things which won't work.

If you are interested in adding your specific setup to the plugin
wiki, you'll find the page where I collect such stuff here:
http://wiki.github.com/davidpersson/media/recipes

- David

On 16 Jun., 17:29, Fabio <fabio.gualti...@gmail.com> wrote:
> Hello everyone, I just started using CakePHP. I followed the blog
> tutorial and would like to attach images to posts with David Persson
> media plugins, but I wonder if it's possible to use a "many to many"
> relation (habtm).
> I made this structure in the database:
>
> posts table:
>    id
>    title
>    body
>
> attachments table:
>    id
>    model
>    dirname
>    basename
>    checksum
>
> attachments_posts table:
>    attachment_id
>    post_id
>
> Models:
> class Post extends AppModel {
>     var $name = 'Post';
>     var $hasAndBelongsToMany = array(
>         'Attachment' => array(
>                 'className' => 'Media.Attachment',
>                 'joinTable' => 'attachments_posts',
>                 'foreignKey' => 'post_id',
>                 'associationForeignKey' => 'attachment_id',
>         )
>     );
> --------------------------------------------------------------------------------------
> class Attachment extends AppModel {
>
>         var $name = 'Attachment';
>         var $actsAs = array(
>                 'Media.Transfer' => array(
>                         'trustClient' => false,
>                         'baseDirectory' => MEDIA_TRANSFER,
>                         'destinationFile' => ':Medium.short::DS::Source.basename:',
>                         'createDirectory' => true
>                 ),
>                 'Media.Media' => array(
>                         'metadataLevel' => 2,
>                         'makeVersions' => true,
>                         'filterDirectory' => MEDIA_FILTER
>                 )
>         );
>
>         var $hasAndBelongsToMany = array(
>                 'Post' => array(
>                         'className' => 'Post',
>                         'joinTable' => 'attachments_posts',
>                         'foreignKey' => 'attachment_id',
>                         'associationForeignKey' => 'post_id',
>                 )
>         );
> ----------------------------------------------------------------------------------------
>
> This doesn't work: when i add a post it stores the post record in post
> table but it doesn't upload the attachment and saves the attachment
> record in the database...
>
> Sorry for my English.
> Many thanks.
> Biusso

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