public function init()
{
parent::init();
if (is_null($this->model)) {
throw new Exception("model darf nicht null sein");
}
$this->logs = $this->loadLogs();
$this->type = is_null($this->type) ? self::VIEW_DEFAULT : $this->type;
switch ($this->type) {
case self::VIEW_NEW:
$this->haveSeen = LogEntry::findOne(['model_id' => $this->model->id, 'model_type' => $this->model->className(), 'created_by' => User::getCurrentUser()->id, 'action' => 'view']);
break;
case self::VIEW_COUNT_SEEN:
$model = $this->model;
$modelClass = $model->className();
if (!class_exists($modelClass)) {
throw new Exception("Klasse konnte nicht gefunden werden!");
}
$this->countSeen = $modelClass::find(['id' => $model->id])->count() - LogEntry::find(['model_id' => $model->id, 'model_type' => $model->className(), 'created_by' => User::getCurrentUser()->id, 'action' => 'view'])->count();
break;
case self::VIEW_DEFAULT:
$this->behavior = $this->model->behaviors['LoggableBehavior'];
break;
}
}
/**
* Creates and saves a new log entry. Only properties that have been changed will be saved.
*
* @param int $model_id
* the id of this model
* @param $model_type
* the class name of the model
* @param $action
* the controller action
* @param null $old_attr
* array of properties
* @param null $new_attr
* array of properties
* @return bool
* whether the log entry has been saved
*/
protected function addLogEntry($model_id, $model_type, $action, $old_attr = null, $new_attr = null, $eventData)
{
if ($action == self::ACTION_VIEW || $action == self::ACTION_CREATE) {
$entry = LogEntry::findOne(['model_id' => $model_id, 'model_type' => $model_type, 'action' => $action, 'created_by' => \Yii::$app->user->id]);
if (!is_null($entry)) {
return false;
}
}
$logEntry = new LogEntry();
$logEntry->model_id = $model_id;
$logEntry->model_type = $model_type;
$logEntry->action = $action;
if (!is_null($old_attr) && !is_null($new_attr)) {
if ($eventData != null && $eventData->hasProperty('attributes')) {
/**
* @var LogEvent $eventData
*/
foreach ($eventData->attributes as $key => $value) {
$new_attr[$key] = $value;
$old_attr[$key] = '';
}
}
if (count(array_diff_assoc($old_attr, $new_attr))) {
$logEntry->old_attr = array_diff_assoc($old_attr, $new_attr);
$logEntry->new_attr = array_diff_assoc($new_attr, $old_attr);
$logEntry->old_attr = json_encode($logEntry->old_attr);
$logEntry->new_attr = json_encode($logEntry->new_attr);
} else {
if ($action == self::ACTION_UPDATE) {
return false;
}
}
}
return $logEntry->save(true);
}
/**
* @param ActiveRecord $model
* @return bool
*/
public static function hasEntry(ActiveRecord $model)
{
if (!is_null($model)) {
$logEntry = LogEntry::findOne(['model_id' => $model->id]);
if (!is_null($logEntry)) {
return true;
}
}
return false;
}