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 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;
public static function getCategories()
{
return Category::find()
->getTree(null, 'lang');
}
public static function getBrands()
{
return Brand::find();
}
/*
* 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() . '.id' => $last_products ])
->andWhere(
[
'!=',
ProductVariant::tableName() . '.stock',
0,
]
)
->all();
}
return array_reverse($last_products);
}
public static function getSpecialProducts($type, $count, $sort = null)
{
$data = [];
switch ($type) {
case 'top':
$data = [ 'is_top' => true ];
break;
case 'new':
$data = [ 'is_new' => true ];
break;
case 'promo':
$data = [ 'is_discount' => true ];
break;
}
return Product::find()
->with('lang')
->joinWith('variants.lang')
->where($data)
->andWhere(
[
'!=',
ProductVariant::tableName() . '.stock',
0,
]
)
->limit($count)
->all();
}
/**
* @param Product $product
* @param int $count
*
* @return array|\yii\db\ActiveRecord[]
*/
public static function getSimilarProducts($product, $count = 10)
{
if (!is_object($product)) {
$product = Product::find()
->where([ 'id' => $product ])
->with('enabledVariants')
->one();
}
if (!$product->properties) {
return [];
}
$product_categories = [];
foreach ($product->categories as $category) {
$product_categories[] = $category->id;
}
$query = Product::find()
->select('product.id')
->innerJoinWith('variant')
->joinWith('category')
->where(
[
'!=',
'product_variant.stock',
0,
]
)
->andWhere([ 'product_category.category_id' => $product_categories ]);
foreach ($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.id'
);
$query->andWhere([ 'to' . $group->tax_group_id . '.option_id' => $where ]);
}
$query->andWhere(
[
'!=',
'product.id',
$product->id,
]
);
$query->groupBy('product.id');
$query->limit($count);
$products = $query->asArray()
->all();
foreach ($products as &$_product) {
$_product = Product::findOne($_product[ 'id' ]);
}
return $products;
}
/**
* @todo Refactor
*
* @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 $inner_key => $value) {
$query->orFilterWhere([ Product::tableName() . '.' . $inner_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:
/**
* @todo Refactor this
*/
$query->andWhere(
Product::tableName() . '.id IN (
SELECT DISTINCT products
FROM (
SELECT 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.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
)'
);
break;
}
}
}
/**
* @param null|Category $category
* @param array $params
* @param array $excludeKeys
*
* @return ActiveQuery
*/
public static function productCountQuery($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.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');
}
}