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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 common\modules\product\models\ProductVariant;
use yii\base\Object;
use Yii;
use yii\db\ActiveQuery;
class ProductHelper extends Object
{
const PRODUCT_TAX_GROUP_ID_TARGET = 20;
const PRODUCT_TAX_GROUP_ID_YEAR = 21;
const PRODUCT_TAX_GROUP_ID_SEX = 22;
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public static function getCategories()
{
return Category::find()
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->getTree(null, 'lang');
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}
public static function getBrands()
{
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return Brand::find();
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}
/*
* 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)) {
$last_products[] = intval($product_id);
if(count($last_products) > 16) {
array_shift($last_products);
}
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()
->joinWith([ 'variant' ])
->where([ Product::tableName() . '.product_id' => $last_products ])
->andWhere([
'!=',
ProductVariant::tableName() . '.stock',
0,
])
->all();
}
return array_reverse($last_products);
}
public static function getSpecialProducts($type, $count, $sort = NULL)
{
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$data = [];
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switch($type) {
case 'top':
$data = [ 'is_top' => true ];
break;
case 'new':
$data = [ 'is_new' => true ];
break;
case 'promo':
$data = [ 'akciya' => true ];
break;
}
return Product::find()
->joinWith('variants')
->where($data)
->andWhere([
'!=',
ProductVariant::tableName() . '.stock',
0,
])
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->limit($count)
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->all();
}
public static function getSimilarProducts($product, $count = 10)
{
if(!is_object($product)) {
$product = Product::find()
->where([ 'product_id' => $product ])
->with('enabledVariants')
->one();
}
if(!$product->properties) {
return [ ];
}
$product_categories = [ ];
foreach($product->categories as $category) {
$product_categories[] = $category->category_id;
}
$query = Product::find()
->select('product.product_id')
->innerJoinWith('variant')
->joinWith('category')
->where([
'!=',
'product_variant.stock',
0,
])
->andWhere([ 'product_category.category_id' => $product_categories ]);
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foreach($product->properties as $group) {
$where = [ ];
foreach($group->_options as $option) {
$where[] = $option->tax_option_id;
}
if(!$where) {
continue;
}
$query->innerJoin('product_option to' . $group->tax_group_id, 'to' . $group->tax_group_id . '.product_id = product.product_id');
$query->andWhere([ 'to' . $group->tax_group_id . '.option_id' => $where ]);
}
$query->andWhere([
'!=',
'product.product_id',
$product->product_id,
]);
$query->groupBy('product.product_id');
$query->limit($count);
$products = $query->asArray()
->all();
foreach($products as &$_product) {
$_product = Product::findOne($_product[ 'product_id' ]);
}
return $products;
}
/**
* @param ActiveQuery $query
* @param $params
* @param bool $setPriceLimits
*/
public static function _setQueryParams(&$query, $params, $setPriceLimits = true)
{
if(!empty( $params[ 'keywords' ] )) {
if(!is_array($params[ 'keywords' ])) {
$params[ 'keywords' ] = [ $params[ 'keywords' ] ];
}
foreach($params[ 'keywords' ] as $keyword) {
$query->orFilterWhere([
'ilike',
Product::tableName() . '.name',
$keyword,
]);
$query->orFilterWhere([
'ilike',
Brand::tableName() . '.name',
$keyword,
]);
$query->orFilterWhere([
'ilike',
Category::tableName() . '.name',
$keyword,
]);
$query->orFilterWhere([
'ilike',
ProductVariant::tableName() . '.sku',
$keyword,
]);
}
}
foreach($params as $key => $param) {
switch($key) {
case 'special':
foreach($param as $key => $value) {
$query->orFilterWhere([ Product::tableName() . '.' . $key => $value ]);
}
break;
case 'brands':
$query->andFilterWhere([ Product::tableName() . '.brand_id' => $param ]);
break;
case 'keywords':
break;
case 'prices':
if($param[ 'min' ] > 0) {
$query->andWhere([
'>=',
ProductVariant::tableName() . '.price',
$param[ 'min' ],
]);
}
if($param[ 'max' ] > 0) {
$query->andWhere([
'<=',
ProductVariant::tableName() . '.price',
$param[ 'max' ],
]);
}
break;
default:
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/**
* @todo Refactor this
*/
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$query->andWhere(
Product::tableName() . '.product_id IN (
SELECT DISTINCT products
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FROM (
SELECT product_id AS products
FROM product_option
INNER JOIN tax_option ON tax_option.tax_option_id = product_option.option_id
INNER JOIN tax_group ON tax_group.tax_group_id = tax_option.tax_group_id
WHERE tax_group.alias LIKE \''. $key .'\' AND tax_option.alias IN (\'' . implode('\',\'', $param) . '\') OR product_id IN (
(SELECT product_id AS products
FROM product_variant_option
INNER JOIN product_variant ON product_variant_option.product_variant_id = product_variant.product_variant_id
INNER JOIN tax_option ON tax_option.tax_option_id = product_variant_option.option_id
INNER JOIN tax_group ON tax_group.tax_group_id = tax_option.tax_group_id
WHERE tax_group.alias LIKE \''. $key .'\' AND tax_option.alias IN (\'' . implode('\',\'', $param) . '\'))
)
) AS table_name
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)'
);
}
}
}
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/**
* @param null|Category $category
* @param array $params
* @param array $excludeKeys
*
* @return ActiveQuery
*/
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public static function productCountQuery($category = NULL, $params, $excludeKeys = [ ])
{
$p = [ ];
foreach($params as $key => $param) {
if(in_array($key, $excludeKeys)) {
$p[ $key ] = $param;
}
}
/** @var ActiveQuery $query */
if(!empty( $category )) {
$query = $category->getProducts();
} else {
$query = Product::find();
}
ProductHelper::_setQueryParams($query, $params);
$query->select([ 'COUNT(product.product_id)' ]);
return $query;
}
public static function addLastCategory($category_id) {
\Yii::$app->session->set('last_category_id', $category_id);
}
public static function getLastCategory() {
return \Yii::$app->session->get('last_category_id');
}
}
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