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CatalogUrlManager.php 9.14 KB
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  <?php

      

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      namespace artweb\artbox\ecommerce;

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      use artweb\artbox\ecommerce\models\Category;

      use artweb\artbox\ecommerce\models\Product;

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      use artweb\artbox\ecommerce\models\ProductVariant;

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      use yii\web\HttpException;

      use yii\web\UrlRuleInterface;

      

      class CatalogUrlManager implements UrlRuleInterface

      {

          public $route_map = [];

          /**

           * Parses the given request and returns the corresponding route and parameters.

           *

           * @param \yii\web\UrlManager $manager the URL manager

           * @param \yii\web\Request    $request the request component

           *

           * @throws HttpException

           * @return array|boolean the parsing result. The route and the parameters are returned as an array.

           * If false, it means this rule cannot be used to parse this path info.

           */

          public function parseRequest($manager, $request)

          {

              

              $pathInfo = $request->getPathInfo();

              $paths = explode('/', $pathInfo);

              

              if (!array_key_exists($paths[ 0 ], $this->route_map)) {

                  return false;

              }

              

              $params = [];

              if ($paths[ 0 ] == 'catalog') {

                  $route = 'catalog/category';

                  

                  // Category

                  if (!empty( $paths[ 1 ] )) {

                      $category = Category::find()

                                          ->joinWith('lang')

                                          ->where(

                                              [

                                                  'category_lang.alias' => $paths[ 1 ],

                                              ]

                                          )

                                          ->one();

                      if (empty( $category )) {

                          \Yii::$app->response->redirect('/');

                      }

                      $params[ 'category' ] = $category;

                  }

                  if (!empty( $paths[ 2 ] )) {

                      // Filter

                      

                      if (strpos($paths[ 2 ], 'filters:') === 0) {

                          if (!isset( $paths[ 3 ] )) {

                              $this->parseFilter($paths[ 2 ], $params);

                          } else {

                              throw new HttpException(404, 'Page not found');

                          }

                          

                      } else {

                          throw new HttpException(404, 'Page not found');

                      }

                  }

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              }

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  //            elseif ($paths[ 0 ] == 'product') {

  //

  //                if (!empty( $paths[ 3 ] )) {

  //                    throw new HttpException(404, 'Page not found');

  //                }

  //                $product = Product::find()

  //                                  ->joinWith('lang')

  //                                  ->where([ 'product_lang.alias' => $paths[ 1 ] ])

  //                                  ->one();

  //                $variant = ProductVariant::find()

  //                                         ->joinWith('lang')

  //                                         ->where([ 'sku' => $paths[ 2 ] ])

  //                                         ->one();

  //

  //                if (empty( $variant->id ) || empty( $product->id )) {

  //                    throw new HttpException(404, 'Page not found');

  //                }

  //                $route = 'catalog/product';

  //                $params = [

  //                    'product' => $paths[1],

  //                    'variant' => $variant,

  //                ];

  //            }

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              return [

                  $route,

                  $params,

              ];

          }

          /**

           * Creates a URL according to the given route and parameters.

           *

           * @param \yii\web\UrlManager $manager the URL manager

           * @param string              $route   the route. It should not have slashes at the beginning or the end.

           * @param array               $params  the parameters

           *

           * @return string|boolean the created URL, or false if this rule cannot be used for creating this URL.

           */

          public function createUrl($manager, $route, $params)

          {

              

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              if (!in_array($route, $this->route_map)) {

                  return false;

              }

              

              switch ($route) {

                  case 'catalog/category':

                      if (!empty( $params[ 'category' ] )) {

                          $category_alias = is_object(

                              $params[ 'category' ]

                          ) ? $params[ 'category' ]->lang->alias : strtolower(

                              $params[ 'category' ]

                          );

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                          $url = 'catalog/' . $category_alias ;

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                          unset( $params[ 'category' ] );

                      } else {

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                          $url = 'catalog';

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                      }

                      

                      $this->setFilterUrl($params, $url);

                      

                      foreach ($params as $key => $param) {

                          if (empty( $params[ $key ] )) {

                              unset( $params[ $key ] );

                          }

                      }

                      

                      if (!empty( $params ) && ( $query = http_build_query($params) ) !== '') {

                          $url .= '?' . $query;

                      }

                      

                      return $url;

                      break;

                  

                  case 'catalog/product':

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                      $product_alias = '';

                      $variant_sku = '';

                      

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                      if (!empty( $params[ 'product' ] )) {

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                          $product_alias = strtolower($params[ 'product' ]);

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                          unset( $params[ 'product' ] );

                      }

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                      if (!empty( $params[ 'variant' ] )) {

                          $variant_sku = strtolower($params[ 'variant' ]);

                          unset( $params[ 'variant' ] );

                      }

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                      $url = 'product/' . $product_alias . '/' . $variant_sku;

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                      if (!empty( $params ) && ( $query = http_build_query($params) ) !== '') {

                          $url .= '?' . $query;

                      }

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                      return $url;

                      break;

                  

              }

          }

          

          private function option_value_encode($value)

          {

              return str_replace(

                  [

                      ',',

                      '/',

                  ],

                  [

                      '~',

                      '&s;',

                  ],

                  $value

              );

          }

          

          private function setFilterUrl(&$params, &$url)

          {

              $filter = [];

              if (!empty( $params[ 'filters' ] )) {

                  foreach ($params[ 'filters' ] as $key => $values) {

                      switch ($key) {

                          case 'prices':

                              $filter[] = $key . '=' . implode(':', $values);

                              break;

                          

                          default:

                              foreach ($values as &$value) {

                                  $value = $this->option_value_encode($value);

                                  if (empty( $value )) {

                                      unset( $value );

                                  }

                              }

                              $filter[] = $key . '=' . implode(',', $values);

                              break;

                      }

                  }

                  if (!empty( $filter )) {

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                      $url .= '/filters:' . implode(';', $filter);

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                  }

                  unset( $params[ 'filters' ] );

              }

          }

          

          private function parseFilter($paths, &$params)

          {

              $params[ 'filters' ] = [];

              $filter_str = substr($paths, 8);

              $filter_options = explode(';', $filter_str);

              foreach ($filter_options as $filter_option) {

                  $filter_exp = explode('=', $filter_option);

                  if (!empty( $filter_exp[ 1 ] )) {

                      list( $filter_key, $filter_option ) = explode('=', $filter_option);

                      if ($filter_key == 'prices') { // price-interval section

                          $prices = explode(':', $filter_option);

                          $params[ 'filters' ][ $filter_key ] = [

                              'min' => floatval($prices[ 0 ]),

                              'max' => floatval($prices[ 1 ]),

                          ];

                      } else { // brands and other sections

                          $params[ 'filters' ][ $filter_key ] = explode(',', $filter_option);

                      }

                  } else {

                      throw new HttpException(404, 'Page not found');

                  }

              }

          }

          

      }