/**
*
* @return Yada_Field_Foreign
*/
public function through()
{
var_dump('ManytoMany Through');
if (!$this->through instanceof Yada_Field_Foreign) {
$init = NULL;
if (is_array($this->through)) {
list($model, $field) = $this->through;
if (is_array($model)) {
list($model, $init) = $model;
}
} elseif (is_string($this->through)) {
$model = $this->through;
$field = $this->related->name;
} else {
throw new Kohana_Exception('No through option specified for many-to-many field :field in model :model', array(':field' => $column, ':model' => Yada::common_name('model', $model)));
}
$model = Yada::model($model, $init);
$dynamic = Yada::class_name('model', 'Dynamic');
if ($model instanceof $dynamic) {
$this->_init_dynamic($model, $field);
$this->meta->attach($model);
} else {
// Focus the through model and get the meta data
$meta = $this->meta->meta($model);
// Get the Yada Field Object that points back to this model
$field = $meta->fields->{$field};
// Set that field's properties to point back to this model/field
$field->related = $this;
// Save the reference to that field
$this->through = $field;
}
}
// Focus the through model
$this->meta->model($this->through);
// return the through model
return $this->through;
}
/**
* Return an array of stored model instances indexed by class name
* @return array
*/
public function &models()
{
$result = array();
foreach ($this->_models as $model) {
$name = Yada::class_name('model', $model);
$result[$name] = isset($result[$name]) ? $result[$name] : array();
$result[$name][] = $model;
}
return $result;
}
