ProductHelper.php
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<?php
namespace common\modules\product\helpers;
use common\modules\product\models\Brand;
use common\modules\product\models\Category;
use common\modules\product\models\Product;
use yii\base\Object;
use Yii;
class ProductHelper extends Object {
public static function getCategories() {
return Category::find()->with('categoryName')->getTree();
}
public static function getBrands() {
return Brand::find()->with('brandName');
}
/*
* Return custom filter-option link
* @var array $filter
* @var array $options
* @return array
*/
public static function getFilterForOption($filter, $key, $value, $remove = false) {
$result = $filter;
if (is_array($value)) {
foreach($value as $value_key => $value_items) {
if (!is_array($value_items)) {
$value_items = [$value_items];
}
foreach($value_items as $value_item) {
if ($remove && isset($result[$key]) && ($i = array_search($value_item, $result[$key][$value_key])) !== FALSE) {
unset($result[$key][$value_key][$i]);
if (empty($result[$key][$value_key])) {
unset($result[$key][$value_key]);
}
} else {
if (!isset($result[$key][$value_key]) || array_search($value_item, $result[$key][$value_key]) === FALSE) {
$result[$key][$value_key][] = $value_item;
}
}
}
}
} else {
if ($remove && isset($result[$key]) && ($i = array_search($value, $result[$key])) !== FALSE) {
unset($result[$key][$i]);
if (empty($result[$key])) {
unset($result[$key]);
}
} else {
if (!isset($result[$key]) || array_search($value, $result[$key]) === FALSE) {
$result[$key][] = $value;
}
}
}
return $result;
}
public static function addLastProsucts($product_id) {
$last_products = self::getLastProducts();
if (!in_array($product_id, $last_products)) {
$last_products[] = $product_id;
Yii::$app->session->set('last_products', $last_products);
}
}
public static function getLastProducts($as_object = false) {
$last_products = Yii::$app->session->get('last_products', []);
if ($as_object) {
$last_products = Product::find()->where(['product_id' => $last_products])->all();
}
return $last_products;
}
}