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common/modules/product/helpers/ProductHelper.php 12.5 KB
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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;

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      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;

          

          const PRODUCT_VARIANT_TYPE_COLOR = 1;

          const PRODUCT_VARIANT_TYPE_SIZE = 2;

          

          public static function getCategories()

          {

              return Category::find()

                             ->getTree(); // with('categoryName')->

          }

          

          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)) {

                  $last_products[] = intval($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([

                                              '!=',

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                                              ProductVariant::tableName() . '.status',

                                              1,

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                                          ])

                                          ->all();

              }

              return array_reverse($last_products);

          }

          

          public static function getSpecialProducts($type, $count, $sort = NULL)

          {

              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([

                                '!=',

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                                ProductVariant::tableName() . '.status',

                                1,

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                            ])

                            ->limit($count)/*->orderBy($sort)*/

                            ->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([

                                  '!=',

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                                  'product_variant.status',

                                  1,

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                              ])

                              ->andWhere([ 'product_category.category_id' => $product_categories ]);

              //        $query->andWhere(['>=', 'product_variant.price', $product->enabledVariant->price * 0.7]);

              //        $query->andWhere(['<=', 'product_variant.price', $product->enabledVariant->price * 1.3]);

              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

           */

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          public static function _setQueryParams(&$query, $params)

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          {

              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',

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                          Brand::tableName() . '.name',

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                          $keyword,

                      ]);

                      $query->orFilterWhere([

                          'ilike',

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                          Category::tableName() . '.name',

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                          $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:

                          $query->andWhere(

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                              Product::tableName() . '.product_id IN (

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                          SELECT DISTINCT products

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                          FROM (

                              SELECT product_id AS products FROM product WHERE product_id IN(

                              SELECT product_id 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

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                              WHERE tax_group.alias = \''. $key .'\' AND tax_option.alias IN (\'' . implode('\',\'', $param) . '\'))

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                               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

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                       WHERE tax_group.alias = \''. $key .'\' AND tax_option.alias IN (\'' . implode('\',\'', $param) . '\'))

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                              )

                              ) AS table_name

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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');

          }

      }