/**
* Diff the attributes of this version model against another version.
* If no version is provided, it will be diffed against the current version.
*
* @param Version|null $againstVersion
* @return array
*/
public function diff(Version $againstVersion = null)
{
$model = $this->getModel();
$diff = $againstVersion ? $againstVersion->getModel() : $this->versionable()->withTrashed()->first()->currentVersion()->getModel();
$diffArray = array_diff_assoc($diff->getAttributes(), $model->getAttributes());
if (isset($diffArray[$model->getCreatedAtColumn()])) {
unset($diffArray[$model->getCreatedAtColumn()]);
}
if (isset($diffArray[$model->getUpdatedAtColumn()])) {
unset($diffArray[$model->getUpdatedAtColumn()]);
}
if (method_exists($model, 'getDeletedAtColumn') && isset($diffArray[$model->getDeletedAtColumn()])) {
unset($diffArray[$model->getDeletedAtColumn()]);
}
return $diffArray;
}
/**
* Save a new version.
* @return void
*/
protected function versionablePostSave()
{
/**
* We'll save new versions on updating and first creation
*/
if ($this->versioningEnabled === true && $this->updating && $this->isValidForVersioning() || $this->versioningEnabled === true && !$this->updating) {
// Save a new version
$version = new Version();
$version->versionable_id = $this->getKey();
$version->versionable_type = get_class($this);
$version->user_id = $this->getAuthUserId();
$version->model_data = serialize($this->getAttributes());
if (!empty($this->reason)) {
$version->reason = $this->reason;
}
$version->save();
}
}
