/**
* Assign default forein_model to singular association name
* @param Jam_Meta $meta
* @param string $name
*/
public function initialize(Jam_Meta $meta, $name)
{
if (!$this->foreign_model) {
$this->foreign_model = Inflector::singular($name);
}
parent::initialize($meta, $name);
}
/**
* Save the related model before the main model, because we'll need the id to assign to the foreign key
* Only save related model if it has been changed, and is not in a process of saving itself
* @param Jam_Model $model
* @param Jam_Event_Data $data
* @param boolean $changed
*/
public function model_before_save(Jam_Model $model, Jam_Event_Data $data, $changed)
{
if ($value = Arr::get($changed, $this->name)) {
if (Jam_Association::is_changed($value) and $item = $model->{$this->name}) {
if (!$item->is_saving()) {
$item->save();
}
$this->set($model, $item, TRUE);
} else {
$this->set($model, $value, TRUE);
}
}
}
/**
* Save the related model after the main model, if it was changed
* Only save related model if it has been changed, and is not in a process of saving itself
*
* @param Jam_Model $model
* @param Jam_Event_Data $data
* @param boolean $changed
*/
public function model_after_save(Jam_Model $model, Jam_Event_Data $data, $changed)
{
$nullify_query = $this->update_query($model, NULL, NULL);
if ($value = Arr::get($changed, $this->name)) {
if (Jam_Association::is_changed($value) and $item = $model->{$this->name}) {
if (!$item->is_saving()) {
$this->set($model, $item, TRUE)->save();
}
if ($item->id()) {
$nullify_query->where('id', '!=', $item->id())->execute();
}
} else {
$key = Jam_Association::primary_key($this->foreign_model, $value);
$query = Jam_Query_Builder_Update::factory($this->foreign_model)->where(':unique_key', '=', $key)->value($this->foreign_key, $model->id());
if ($this->is_polymorphic()) {
$query->value($this->polymorphic_key, $model->meta()->model());
}
$nullify_query->execute();
$query->execute();
}
} elseif (array_key_exists($this->name, $changed)) {
$nullify_query->execute();
}
}
/**
* @covers Jam_Association::primary_key
* @dataProvider data_primary_key
*/
public function test_primary_key($model_name, $value, $expected_primary_key)
{
$this->assertSame($expected_primary_key, Jam_Association::primary_key($model_name, $value));
}
/**
* Save the related model after the main model, if it was changed
* Only save related model if it has been changed, and is not in a process of saving itself
*
* @param Jam_Model $model
* @param Jam_Event_Data $data
* @param boolean $changed
*/
public function model_after_save(Jam_Model $model, Jam_Event_Data $data, $changed)
{
if ($value = Arr::get($changed, $this->name)) {
if (Jam_Association::is_changed($value) and $item = $model->{$this->name}) {
if (!$item->is_saving()) {
$this->set($model, $item, TRUE)->save();
}
$key = $item->id();
} else {
$key = Jam_Association::primary_key($this->foreign_model, $value);
}
$this->erase_query($model)->execute($model->meta()->db());
$this->set_query($model, $key)->execute($model->meta()->db());
}
}
