public function actionDelete()
{
$itemId = yii::$app->request->post('item_id');
$variantId = yii::$app->request->post('variant_id');
$fieldId = yii::$app->request->post('field_id');
if ($value = fieldValue::find()->where(['item_id' => $itemId, 'variant_id' => $variantId])->one()) {
$value->delete();
} else {
FieldValue::deleteAll(['item_id' => $itemId, 'field_id' => $fieldId]);
}
return json_encode(['result' => 'success']);
}
