IndexAction.php
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\rest;
use Yii;
use yii\data\ActiveDataProvider;
/**
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class IndexAction extends Action
{
/**
* @var callable a PHP callable that will be called to prepare a data provider that
* should return a collection of the models. If not set, [[prepareDataProvider()]] will be used instead.
* The signature of the callable should be:
*
* ```php
* function ($action) {
* // $action is the action object currently running
* }
* ```
*
* The callable should return an instance of [[ActiveDataProvider]].
*/
public $prepareDataProvider;
/**
* @return ActiveDataProvider
*/
public function run()
{
if ($this->checkAccess) {
call_user_func($this->checkAccess, $this->id);
}
return $this->prepareDataProvider();
}
/**
* Prepares the data provider that should return the requested collection of the models.
* @return ActiveDataProvider
*/
protected function prepareDataProvider()
{
if ($this->prepareDataProvider !== null) {
return call_user_func($this->prepareDataProvider, $this);
}
/* @var $modelClass \yii\db\BaseActiveRecord */
$modelClass = $this->modelClass;
return new ActiveDataProvider([
'query' => $modelClass::find(),
]);
}
}