/**
  * @inheritdoc
  */
 public function run()
 {
     if (Yii::$app->user->isGuest || $this->space->isMember()) {
         return;
     }
     // Add class for javascript handling
     $this->followOptions['class'] .= ' followSpaceButton';
     $this->unfollowOptions['class'] .= ' unfollowSpaceButton';
     // Hide inactive button
     if ($this->space->isFollowedByUser()) {
         $this->followOptions['style'] .= ' display:none;';
     } else {
         $this->unfollowOptions['style'] .= ' display:none;';
     }
     // Add UserId Buttons
     $this->followOptions['data-spaceid'] = $this->space->id;
     $this->unfollowOptions['data-spaceid'] = $this->space->id;
     $this->view->registerJsFile('@web/resources/space/followButton.js');
     return Html::a($this->unfollowLabel, $this->space->createUrl('/space/space/unfollow'), $this->unfollowOptions) . Html::a($this->followLabel, $this->space->createUrl('/space/space/follow'), $this->followOptions);
 }