fe7b6960
 Yarik
Basket
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<?php
namespace common\models;
use common\modules\product\models\ProductVariant;
use yii\base\Component;
use yii\web\NotFoundHttpException;
class Basket extends Component
{
public $session;
public function __construct(array $config = [ ])
{
$this->session = \Yii::$app->session;
if(!$this->session->has('basket')) {
$this->session->set('basket', [ ]);
}
parent::__construct($config);
}
public function add(int $product_variant_id, int $count)
{
$data = $this->getData();
if(array_key_exists($product_variant_id, $data)) {
$data[ $product_variant_id ][ 'count' ] += $count;
if($data[$product_variant_id]['count'] <= 0) {
unset($data[$product_variant_id]);
}
} else {
$model = $this->findModel($product_variant_id);
$data[ $product_variant_id ] = [
'price' => $model->price,
'count' => $count,
];
}
$this->setData($data);
}
public function set(int $product_variant_id, int $count)
{
$data = $this->getData();
if(array_key_exists($product_variant_id, $data)) {
$data[ $product_variant_id ][ 'count' ] = $count;
if($data[$product_variant_id]['count'] <= 0) {
unset($data[$product_variant_id]);
}
} else {
$model = $this->findModel($product_variant_id);
$data[ $product_variant_id ] = [
'price' => $model->price,
'count' => $count,
];
}
$this->setData($data);
}
public function getData(): array
{
return $this->session->get('basket');
}
public function getItem(int $product_variant_id) {
$data = $this->getData();
if(!empty($data[$product_variant_id])) {
return $data[$product_variant_id];
} else {
return false;
}
}
public function setData(array $data)
{
$this->session->set('basket', $data);
}
public function getSum(): float
{
$data = $this->getData();
$sum = 0;
foreach($data as $item) {
$sum += $item[ 'price' ] * $item[ 'count' ];
}
return $sum;
}
public function getCount(): int {
$data = $this->getData();
return count($data);
}
public function findModel(int $product_variant_id): ProductVariant
{
$model = ProductVariant::find()
->where([ 'product_variant_id' => $product_variant_id ])
->one();
if(empty( $model )) {
throw new NotFoundHttpException('Product not found');
} else {
return $model;
}
}
public function findModels(array $product_variant_ids)
{
return ProductVariant::find()
->where([ 'product_variant_id' => $product_variant_ids ])
->with([
'product',
'image',
])
->all();
}
public function getModal(): string
{
$output = '';
$data = $this->getData();
$models = $this->findModels(array_keys($this->getData()));
if(!empty( $models )) {
$output = \Yii::$app->view->renderFile('@frontend/views/basket/modal_items.php', [
'models' => $models,
'basket' => $this,
]);
}
return $output;
}
}
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