Many thanks for the reply. I've successfully managed to get my HABTM
models saving its extra field.
Just for the record, if anyone else is looking for the answer:
class Post extends AppModel {
var $hasAndBelongsToMany = array(
"Tag"=>array(
"with"=>"PostsTag"
)
);
}
class Tag extends AppModel {
var $hasAndBelongsToMany = array(
"Post"=>array(
"with"=>"PostsTag"
)
);
}
class PostsTag extends AppModel {
var $belongsTo = array(
"Post",
"Tag"
);
}
PostsController:
function edit($id) {
if (!empty($this->data)) {
$this->Post->bindModel(array('hasMany'=>array('PostsTag')));
if ($this->Post->saveAll($this->data,
array('validate'=>'first')))
{
$this->Session->setFlash("Saved");
}
else {
$this->Session->setFlash("Error");
}
}
else {
$this->data = $this->Post->read(null, $id);
}
$this->_populateLookups();
$this->render("form");
}
So, in a nutshell, create your HABTM using $hasAndBelongsToMany and
force the join before the save with
$this->Post->bindModel(array('hasMany'=>array('PostsTag')));
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