<?php
include Yii::app()->basePath.'/extensions/checkUserID/checkUserIDParam.class.php';

class BlackListController extends Controller
{
    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/column1';

    /**
     * @var CActiveRecord the currently loaded data model instance.
     */
    private $_model;

    /**
     * @return array action filters
     */
    public function filters()
    {
        return array(
                        'accessControl', // perform access control for CRUD operations
                    );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
    */
    public function accessRules()
    {
        return array();
    }
     
    /**
     * 查看用户黑名单
     */
    public function actionView()
    {
        $this->render('view', array('model' => $this->_loadModel()));
    }

    /**
     * 添加用户黑名单
     */
    public function actionCreate()
    {
        $model = new BlackList;
        
        $this->performAjaxValidation($model);
        
        if (isset($_POST['BlackList']))
        {
            $model->attributes = $_POST['BlackList'];
            
            $connection = Yii::app()->db;
            $transaction=$connection->beginTransaction();
            try 
            {
                // 将好友移动到黑名单列表, 移除成功返回1, 失败返回0
                $sqlStatement = "CALL p_i_friend_move_userFB(:userID, :friendID)";
                $command = $connection->createCommand($sqlStatement);
                $command->bindValue(':userID', $model->user_id);
                $command->bindValue(':friendID', $model->friend_id);
                $success = $command->queryScalar();
                
                if ($success != 1)
                {
                    throw new CHttpException(400, '添加好友到黑名单失败！可能原因是好友已在黑名单。');
                }
                
                if ($model->save())
                {
                    $this->redirect(array('view', 'id' => array('user_id' => $model->user_id, 'friend_id' => $model->friend_id)));
                }
                else
                {
                    //print_r($model->getErrors());
                }
                
                $transaction->commit();
            }
            catch (Exception $e)
            {
                $transaction->rollback();
            }
        }

        $this->render('create', array('model' => $model));
    }

    public function actionUpdate()
    {
        $model = $this->_loadModel();
        $user_id = intval($model->user_id);
        $friend_id = intval($model->friend_id);
    
        if(isset($_POST['BlackList']))
        {
            //不允许修改两个ID
            if( $user_id == intval($_POST['BlackList']['user_id']) and $friend_id == intval($_POST['BlackList']['friend_id']))
            {
                $model->attributes = $_POST['BlackList'];
                if($model->save())
                {
                    $this->redirect(array(
                                             'view', 
                                             'id' => array(
                                                              'user_id' => $model->user_id,
                                                              'friend_id' => $model->friend_id
                                   )));
                }
            }
        }
    
        $this->render('update', array('model' => $model));
    }
    
    /**
     * 删除黑名单关系
     */
    public function actionDelete()
    {
        if(Yii::app()->request->isPostRequest)
        {
            // we only allow deletion via POST request
            $model = $this->_loadModel();
            $model->delete();
                // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if(!isset($_GET['ajax']))
                $this->redirect(array('admin'));
        }
        else
        {
            throw new CHttpException(400, '重要参数传递错误,请重新操作！');
        }
    }
    
    /**
     * 恢复好友关系
     * 
     * 第1步：替主动方单方面添加被东方为好友（如发消息被动方显示在未分组联系人中）;
     * 第2步：两方所有的好友关系全部删除后.
     */
    public function actionRestore()
    {
        if(isset($_POST) && is_array($_POST))
        {
            // we only allow deletion via POST request
            $model = $this->_loadModel();
        
            if ($model->delete())
            {
                $newFriendRelation = new HiboxUserFriends;
                $newFriendRelation->user_id = $model->user_id;
                $newFriendRelation->friend_id = $model->friend_id;
                
                if(isset($model->user_id))
                {
                    $sqlStatement="select id from i_group where user_id = ".$model->user_id." and groupName = '未分组联系人'";
                    $groupID = Yii::app()->db->createCommand($sqlStatement)->queryScalar();
                }
                if(!empty($groupID))
                {
                    $newFriendRelation->group_id = $groupID;
                    $newFriendRelation->save();
                }
            }
                // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if(!isset($_GET['ajax']))
                $this->redirect(array('admin'));
        }
        else
        {
            throw new CHttpException(400, '重要参数传递错误,请重新操作！');
        }
    }

    /**
     * 用户黑名单管理
     */
    public function actionAdmin()
    {
        $model = new BlackList('search');
        $model->unsetAttributes();  // clear any default values
        if(isset($_GET['BlackList']))
            $model->attributes = $_GET['BlackList'];

        $this->render('admin', array('model' => $model));
    }
    
    /**
     * Ajax方式获取双方是什么关系
     */
    public function actionAjaxCheckUserFrinedRelation()
    {
        if (Yii::app()->request->isPostRequest)
        {
            // 从POST请求中获取用户ID, 当前选择的分组ID
            $userID = Yii::app()->request->getPost("userID", null);
            $friendID = Yii::app()->request->getPost("friendID", null);
            
            if (isset($userID, $friendID))
            {
                //include (Yii::app()->basePath.'/extensions/checkUserID/checkUserIDParam.class.php');
                echo CheckUserFrinedRelation($userID, $friendID);
            }
        }
    }
    
    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     */
    private function _loadModel()
    {
        if($this->_model === null)
        {
            if (isset($_GET['id']) && is_array($_GET['id']))
                $this->_model = BlackList::model()->findbyPk($_GET['id']);
                    
            if ($this->_model === null)
                throw new CHttpException(404, 'The requested page does not exist.');
        }
        return $this->_model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model)
    {
        if(isset($_POST['ajax']) && $_POST['ajax'] === 'hibox-user-blacklist-form')
        {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }
     
}
?>