public function saveSettings()
{
$settings = [];
foreach (Setting::findAll($this->attributes()) as $setting) {
$settings[$setting->name] = $setting;
}
foreach ($this->attributes() as $attribute) {
if (!empty($settings[$attribute])) {
if ($settings[$attribute]->value != $this->{$attribute}) {
$settings[$attribute]->value = $this->{$attribute};
$settings[$attribute]->save();
}
} else {
$setting = new Setting();
$setting->name = $attribute;
$setting->value = $this->{$attribute};
$setting->save();
}
}
// GC
foreach (Setting::find()->where(['not in', 'name', $this->attributes()])->all() as $setting) {
$setting->delete();
}
}