public function actionDataTables()
{
$responseType = Yii::$app->request->get('type');
$returnData = [];
switch ($responseType) {
case "fetch":
$returnData = Event::find()->select(['id', 'title', 'description', 'start', 'end'])->where(['created_by' => Yii::$app->user->id])->orderBy(['id' => SORT_DESC])->all();
return Json::encode($returnData);
case "crud":
$requestAction = Yii::$app->request->post('action');
switch ($requestAction) {
case "create":
$requestID = key(Yii::$app->request->post('data'));
$requestData = Yii::$app->request->post('data')[$requestID];
$model = new Event();
//块赋值
$model->attributes = $requestData;
if (!$model->validate()) {
$fieldErrors = [];
foreach ($model->errors as $name => $status) {
$fieldErrors[] = ['name' => $name, 'status' => Json::encode($status)];
}
return Json::encode(['fieldErrors' => $fieldErrors, 'data' => []]);
}
if ($model->save()) {
$requestData['id'] = $model->id;
$data = [];
$data[] = $requestData;
return Json::encode(['data' => $data]);
} else {
$error = '恢复操作发生意外！';
throw new Exception($error);
}
case "edit":
$editID = array_keys(Yii::$app->request->post('data'));
//执行事务，保存必须都成功了才行
$transaction = Event::getDb()->beginTransaction();
//返回值
$data = [];
try {
foreach ($editID as $requestID) {
$requestData = Yii::$app->request->post('data')[$requestID];
$model = Event::findOne($requestID);
//块赋值
$model->attributes = $requestData;
if (!$model->validate()) {
$fieldErrors = [];
foreach ($model->errors as $name => $status) {
$fieldErrors[] = ['name' => $name, 'status' => Json::encode($status)];
}
return Json::encode(['fieldErrors' => $fieldErrors, 'data' => []]);
}
$model->save();
//单个字段更新的时候
if (count($requestData) == 1 || !is_array($requestData)) {
$requestData = Event::find()->select(['id', 'title', 'description', 'start', 'end'])->where(['id' => $requestID])->one();
} else {
$requestData['id'] = $requestID;
}
$data[] = $requestData;
}
//提交事务
$transaction->commit();
return Json::encode(['data' => $data]);
} catch (\Exception $e) {
$transaction->rollBack();
throw $e;
}
case "remove":
//多选则删除全部 用deleteAll()不会触发 event： EVENT_BEFORE_DELETE 和 EVENT_AFTER_DELETE
foreach (Yii::$app->request->post('data') as $removeID => $removeData) {
Event::findOne($removeID)->delete();
}
return Json::encode($returnData);
default:
return Json::encode($returnData);
}
default:
return $this->render('_data-tables');
}
}
