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frontend/components/UrlManager.php 7.87 KB
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  <?php
      
      namespace frontend\components;
      
      use artbox\core\models\Alias;
      use artbox\core\services\Languages;
      use yii\helpers\Json;
      use yii\web\Request;
  
      /**
       * Url manager extended to work with aliases and languages
       *
       * @package artbox\core\seo
       */
      class UrlManager extends \yii\web\UrlManager
      {
          /**
           * @var bool
           */
          public $hideDefaultLanguagePrefix = false;
          
          /**
           * @see \yii\web\UrlManager
           * @var bool
           */
          public $enablePrettyUrl = true;
          
          /**
           * @see \yii\web\UrlManager
           * @var bool
           */
          public $showScriptName = false;
          
          /**
           * @var \artbox\core\services\Languages
           */
          protected $languages;
          
          /**
           * UrlManager constructor.
           *
           * @param \artbox\core\services\Languages $languages
           * @param array                           $config
           */
          public function __construct(Languages $languages, array $config = [])
          {
              $this->languages = $languages;
              
              parent::__construct($config);
          }
      
          /**
           * @param \yii\web\Request $request
           *
           * @return array|bool
           * @throws \artbox\core\exceptions\AliasOverwriteException
           * @throws \yii\base\ExitException
           * @throws \yii\base\InvalidConfigException
           */
          public function parseRequest($request)
          {
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              $links = [];
          
              $this->checkRedirect($request->url);
          
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              $request = $this->parseLanguage($request);
              /**
               * @var Alias $alias
               */
              $alias = Alias::find()
                            ->where(
                                [
                                    'value' => trim($request->pathInfo, '/'),
                                ]
                            )
                            ->andWhere(
                                [
                                    'language_id' => $this->languages->getCurrent()->id,
                                ]
                            )
                            ->one();
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              $links[ $this->languages->getCurrent()->id ] = $request->url;
              if ($alias !== NULL) {
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                  $other = Alias::find()
                                ->where([ 'route' => $alias->route ])
                                ->with('language')
                                ->andWhere(
                                    [
                                        '!=',
                                        'language_id',
                                        $this->languages->getCurrent()->id,
                                    ]
                                )
                                ->all();
                  foreach ($other as $item) {
                      /**
                       * @var Alias $item
                       */
                      if ($item->language->default) {
                          if ($this->hideDefaultLanguagePrefix) {
                              $links[ $item->language->id ] = '/' . $item->value;
                          } else {
                              $links[ $item->language->id ] = '/' . $item->language->url . '/' . $item->value;
                          }
                      }
                      $links[ $item->language->id ] = '/' . $item->language->url . '/' . $item->value;
                  }
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                  $params = Json::decode($alias->route);
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                  $route = array_shift($params);
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                  /**
                   * @todo REFACTOR AS SOO AS POSIBLE!
                   *       remove service locator, and implement Dependency Injection
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                   * @var \artbox\core\components\SeoComponent  $seo
                   * @var LangComponent $langLink ;
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                   */
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                  $seo = \Yii::$app->get('seo');
                  $seo->setAlias($alias);
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                  $langLink = \Yii::$app->get('langLinks');
                  $langLink->setLinks($links);
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                  return [
                      $route,
                      $params,
                  ];
              }
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              foreach ($this->languages->getActive() as $key => $lang) {
                  if ($this->hideDefaultLanguagePrefix and $lang->default) {
                      $links[ $lang->id ] = '/' . $request->pathInfo;
                  } else {
                      $links[ $lang->id ] = '/' . $key . '/' . $request->pathInfo;
                  }
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              }
              $langLink = \Yii::$app->get('langLinks');
              $langLink->setLinks($links);
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              return parent::parseRequest($request);
          }
          
          /**
           * @param array|string $params
           *
           * @return string
           */
          public function createUrl($params)
          {
              if ($this->hideDefaultLanguagePrefix && ( $this->languages->getCurrent(
                      )->url == $this->languages->getDefault()->url )) {
                  $prefix = '';
              } else {
                  $prefix = '/' . $this->languages->getCurrent()->url;
              }
              
              if (isset($params[ 'alias' ])) {
                  if ($params[ 'alias' ] instanceof Alias) {
                      return $prefix . '/' . $params[ 'alias' ]->value;
                  } elseif (is_array($params[ 'alias' ])) {
                      return $prefix . '/' . $params[ 'alias' ][ 'value' ];
                  }
              }
              
              return $prefix . parent::createUrl($params);
          }
          
          /**
           * @param $request
           *
           * @return mixed
           * @throws \yii\base\ExitException
           * @throws \yii\base\InvalidConfigException
           */
          protected function parseLanguage(Request $request)
          {
              $split = explode('/', $request->pathInfo);
              if (in_array($split[ 0 ], array_keys($this->languages->getActive()))) {
                  if ($this->hideDefaultLanguagePrefix && ( $split[ 0 ] == $this->languages->getDefault()->url )) {
                      unset($split[ 0 ]);
                      
                      \Yii::$app->response->redirect('/' . implode('/', $split), 301)
                                          ->send();
                      \Yii::$app->end();
                  } else {
                      $this->languages->setCurrent($split[ 0 ]);
                      
                      unset($split[ 0 ]);
                      
                      $request->setPathInfo(implode('/', $split));
                  }
              } else {
                  if ($this->hideDefaultLanguagePrefix) {
                      $this->languages->setCurrentDefault();
                  } else {
                      \Yii::$app->response->redirect(
                          '/' . $this->languages->getDefault()->url . '/' . implode('/', $split),
                          301
                      )
                                          ->send();
                      \Yii::$app->end();
                  }
              }
              
              return $request;
          }
          
          /**
           * Looks for rule in table(column) `redirect.from` if findes -
           * redirects to `redirect.to`
           *
           * @param string $url
           */
          protected function checkRedirect(string $url)
          {
              //            $redirect = Redirect::find()
              //                                ->where(
              //                                    [
              //                                        'from' => $url,
              //                                    ]
              //                                )
              //                                ->one();
              //
              //            if ($redirect) {
              //                \Yii::$app->response->redirect($redirect->to)
              //                                    ->send();
              //            }
          }
      }