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<?php
namespace artweb\artbox\ecommerce\helpers;
use artweb\artbox\ecommerce\models\BrandLang;
use artweb\artbox\ecommerce\models\CategoryLang;
use artweb\artbox\ecommerce\models\Product;
use artweb\artbox\ecommerce\models\ProductLang;
use artweb\artbox\ecommerce\models\ProductVariant;
use artweb\artbox\ecommerce\models\ProductVariantLang;
use artweb\artbox\ecommerce\models\TaxGroup;
use yii\base\Object;
use yii\db\ActiveQuery;
use yii\db\Query;
use yii\helpers\ArrayHelper;
class FilterHelper extends Object
{
public static $optionsList = [];
/**
* Get TaxGroups
*
* @return array
*/
public static function optionsTemplate()
{
if (empty( static::$optionsList )) {
return static::$optionsList = ArrayHelper::getColumn(
TaxGroup::find()
->joinWith('lang')
->where([ 'is_filter' => 'TRUE' ])
->all(),
'lang.alias'
);
} else {
return static::$optionsList;
}
}
/**
* Return custom filter-option link
*
* @param array $filter
* @param string $key
* @param mixed $value
* @param bool $remove
*
* @return array
*/
public static function getFilterForOption(array $filter, string $key, $value, bool $remove = false)
{
$optionsTemplate = self::optionsTemplate();
array_unshift($optionsTemplate, "special", "brands");
$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;
}
}
}
$filterView = [];
foreach ($optionsTemplate as $optionKey) {
if (isset( $result[ $optionKey ] )) {
$filterView[ $optionKey ] = $result[ $optionKey ];
}
}
return $filterView;
}
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/**
* Fill query with filter conditions
*
* @param ActiveQuery $query
* @param array $params
*/
public static function setQueryParams(ActiveQuery $query, array $params)
{
$last_query = null;
foreach ($params as $key => $param) {
switch ($key) {
case 'special':
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unset($params[$key]);
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self::filterSpecial($param, $query);
break;
case 'brands':
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unset($params[$key]);
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self::filterBrands($param, $query);
break;
case 'keywords':
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unset($params[$key]);
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self::filterKeywords($param, $query);
break;
case 'prices':
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unset($params[$key]);
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self::filterPrices($param, $query);
break;
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}
}
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$last_query = self::filterOptions($params, $last_query);
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// If tax option filters were provided filter query with them
if (!empty( $last_query )) {
$query->andWhere([ 'product.id' => $last_query ]);
}
}
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/**
* Tax Option filter
*
* @param string[] $params
* @param \yii\db\Query|null $last_query
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* @param bool $in_stock
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*
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* @return \yii\db\Query
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*/
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private static function filterOptions(array $params, Query $last_query = null, bool $in_stock = true): Query
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{
$variant_query = ( new Query() )->distinct()
->select('product_variant.product_id as products')
->from('product_variant_option')
->innerJoin(
'product_variant',
'product_variant_option.product_variant_id = product_variant.id'
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);
foreach ($params as $key=>$param){
$product_variant_id = ( new Query() )->distinct()->select('product_variant_option.product_variant_id as id')
->from('product_variant_option')
->innerJoin(
'tax_option',
'tax_option.id = product_variant_option.option_id'
)
->innerJoin(
'tax_option_lang',
'tax_option_lang.tax_option_id = tax_option.id'
)
->innerJoin(
'tax_group',
'tax_group.id = tax_option.tax_group_id'
)
->innerJoin(
'tax_group_lang',
'tax_group_lang.tax_group_id = tax_group.id'
)
->where([ 'tax_group_lang.alias' => $key ])
->andWhere([ 'tax_option_lang.alias' => $param ]);
$variant_query->andWhere(['product_variant_option.product_variant_id'=>$product_variant_id]);
}
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if($in_stock) {
$variant_query->andWhere(['!=', 'product_variant.stock', 0]);
}
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$product_query = ( new Query() )->distinct()
->select('product_option.product_id as products')
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->from('product_option');
foreach ($params as $key=>$param){
$product_id = ( new Query() )->distinct()->select('product_option.product_id as id')
->from('product_option')
->innerJoin(
'tax_option',
'tax_option.id = product_option.option_id'
)
->innerJoin(
'tax_option_lang',
'tax_option_lang.tax_option_id = tax_option.id'
)
->innerJoin(
'tax_group',
'tax_group.id = tax_option.tax_group_id'
)
->innerJoin(
'tax_group_lang',
'tax_group_lang.tax_group_id = tax_group.id'
)
->where([ 'tax_group_lang.alias' => $key ])
->andWhere([ 'tax_option_lang.alias' => $param ]);
$product_query->andWhere(['product_option.product_id'=>$product_id]);
}
$product_query->union($variant_query);
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$query = ( new Query() )->select('products')
->from([ 'result_table' => $product_query ]);
if (!empty( $last_query )) {
$query->andWhere([ 'product.id' => $last_query ]);
}
return $query;
}
/**
* Fill $query with special filters (used in Product)
*
* @param array $params
* @param \yii\db\ActiveQuery $query
*/
private static function filterSpecial(array $params, ActiveQuery $query)
{
$conditions = [];
/**
* @var string $key
*/
foreach ($params as $key => $param) {
$conditions[] = [
'=',
Product::tableName() . '.' . $key,
$param,
];
}
/* If 2 or more special conditions get all that satisfy at least one of them. */
if (count($conditions) > 1) {
array_unshift($conditions, 'or');
} else {
$conditions = $conditions[ 0 ];
}
$query->andFilterWhere($conditions);
}
/**
* Fill query with brands filter
*
* @param int[] $param
* @param \yii\db\ActiveQuery $query
*/
private static function filterBrands(array $param, ActiveQuery $query)
{
$query->andFilterWhere([ Product::tableName() . '.brand_id' => $param ]);
}
/**
* Fill query with keywords filter
*
* @param array $params
* @param \yii\db\ActiveQuery $query
*/
private static function filterKeywords(array $params, ActiveQuery $query)
{
$conditions = [];
if (!empty( $params )) {
if (!is_array($params)) {
$params = [ $params ];
}
/**
* @var string $param Inputed keyword
*/
foreach ($params as $param) {
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if(iconv_strlen($param) >= 3){
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$conditions[] = [
'or',
[
'ilike',
ProductLang::tableName() . '.title',
$param,
],
[
'ilike',
BrandLang::tableName() . '.title',
$param,
],
[
'ilike',
CategoryLang::tableName() . '.title',
$param,
],
[
'ilike',
ProductVariantLang::tableName() . '.title',
$param,
],
[
'ilike',
ProductVariant::tableName() . '.sku',
$param,
]
];
}
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}
}
if (count($conditions) > 1) {
array_unshift($conditions, 'or');
} else {
$conditions = $conditions[ 0 ];
}
$query->andFilterWhere($conditions);
}
/**
* Fill query with price limits filter
*
* @param array $params
* @param \yii\db\ActiveQuery $query
*/
private static function filterPrices(array $params, ActiveQuery $query)
{
$conditions = [];
if (!empty( $params[ 'min' ] ) && $params[ 'min' ] > 0) {
$conditions[] = [
'>=',
ProductVariant::tableName() . '.price',
$params[ 'min' ],
];
}
if (!empty( $params[ 'max' ] ) && $params[ 'max' ] > 0) {
$conditions[] = [
'<=',
ProductVariant::tableName() . '.price',
$params[ 'max' ],
];
}
if (count($conditions) > 1) {
array_unshift($conditions, 'and');
} else {
$conditions = $conditions[ 0 ];
}
$query->andFilterWhere($conditions);
}
}
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