public function test_constructor()
{
$select = Jam_Query_Builder_Update::factory('test_author');
$select->value('name', 'Test');
$this->assertInstanceOf('Jam_Query_Builder_Update', $select);
$this->assertEquals(Jam::meta('test_author'), $select->meta());
$this->assertEquals('UPDATE `test_authors` SET `name` = \'Test\'', (string) $select);
}
/**
* Generate a query to add models from the association (without deleting them), for specific ids
* @param Jam_Model $model
* @param array $ids
* @return Database_Query
*/
public function add_items_query(Jam_Model $model, array $ids)
{
$query = Jam_Query_Builder_Update::factory($this->foreign_model)->where(':primary_key', 'IN', $ids)->value($this->foreign_key, $model->id());
if ($this->is_polymorphic()) {
$query->value($this->polymorphic_key, $this->model);
}
return $query;
}
/**
* 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();
}
}