/**
* Creates a new Cogs model.
* If creation is successful, the browser will be redirected to the 'view' page.
* @return mixed
*/
public function actionCreate()
{
$model = new Cogs();
if ($model->load(Yii::$app->request->post()) && $model->save()) {
return $this->redirect(['view', 'id' => $model->product_id]);
} else {
return $this->render('create', ['model' => $model]);
}
}
protected function updateCogs($params)
{
$cogs = Cogs::findOne(['product_id' => $params['id']]);
if (!$cogs) {
$cogs = new Cogs(['product_id' => $params['id'], 'cogs' => 0.0]);
}
$current_stock = ProductStock::find()->where(['product_id' => $params['id']])->sum('qty');
if ($current_stock != 0) {
$cogs->cogs += $params['qty'] * ($params['cogs'] - $cogs->cogs) / $current_stock;
} else {
$cogs->cogs = 0;
}
return $cogs->save(false);
}
