/**
**在请求交由action处理之前,判断用户属性,如果当前用户没有登录,或者登录用户没有管理员权限,那么抛出403异常,即只有管理员才能进入该管理模块.
* @param \yii\base\Action $action
* @return bool
* @throws HttpException
*/
public function beforeAction($action)
{
if (!User::getCurrent() || !Admin::getCurrent()) {
throw new HttpException(403, 'You are not an admin');
}
return parent::beforeAction($action);
}
public function requireAdmin()
{
if (!$this->hasErrors()) {
$admin = Admin::getCurrent();
if (!$admin || $admin->is_blocked) {
$this->addError('username', 'This account is not an admin or has been blocked as admin.');
}
}
}
/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Admin::find();
$dataProvider = new ActiveDataProvider(['query' => $query]);
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
$query->andFilterWhere(['id' => $this->id, 'user_id' => $this->user_id, 'is_blocked' => $this->is_blocked, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at]);
return $dataProvider;
}
/**
* Finds the Admin model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Admin the loaded model
* @throws HttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Admin::findOne($id)) !== null) {
return $model;
} else {
throw new HttpException(404, 'The requested page does not exist.');
}
}
/**
* @return null|Admin
*/
public static function getCurrent()
{
return Admin::findOne(['user_id' => Yii::$app->user->id]);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getAdmin()
{
return $this->hasOne(\common\models\admin\Admin::className(), ['user_id' => 'id']);
}
/**
**显示主页.
* @return string content of home page
*/
public function actionIndex()
{
$admin = Admin::getCurrent();
return $this->render('index', ['admin' => $admin]);
}